From a548d9d0f7b889627c43b18811357fad88760b2d Mon Sep 17 00:00:00 2001 From: aarzilli Date: Fri, 2 May 2014 15:09:23 +0200 Subject: [PATCH] Fix Issue #21: automatic calculation of alignment padding after lists --- nexgb/dri2/dri2.go | 7 +- nexgb/examples/randr/main.go | 2 +- nexgb/glx/glx.go | 93 ++++----------- nexgb/randr/randr.go | 199 +++++++++++++++++-------------- nexgb/record/record.go | 35 +++--- nexgb/render/render.go | 112 +++++++++-------- nexgb/res/res.go | 16 ++- nexgb/xcmisc/xcmisc.go | 1 - nexgb/xevie/xevie.go | 2 +- nexgb/xf86dri/xf86dri.go | 8 +- nexgb/xf86vidmode/xf86vidmode.go | 52 ++++---- nexgb/xfixes/xfixes.go | 12 +- nexgb/xgbgen/aligngap.go | 130 ++++++++++++++++++++ nexgb/xgbgen/context.go | 2 + nexgb/xgbgen/field.go | 32 +++-- nexgb/xgbgen/go.go | 18 ++- nexgb/xgbgen/go_list.go | 10 +- nexgb/xgbgen/go_request_reply.go | 30 +++-- nexgb/xgbgen/go_struct.go | 2 +- nexgb/xgbgen/request_reply.go | 12 +- nexgb/xgbgen/size.go | 13 +- nexgb/xgbgen/translation.go | 2 +- nexgb/xgbgen/type.go | 12 +- nexgb/xinerama/xinerama.go | 2 +- nexgb/xprint/xprint.go | 20 +--- nexgb/xproto/xproto.go | 169 +++++++++++++------------- nexgb/xproto/xproto_test.go | 17 +++ nexgb/xselinux/xselinux.go | 20 ++-- nexgb/xv/xv.go | 67 ++++++----- nexgb/xvmc/xvmc.go | 7 +- 30 files changed, 630 insertions(+), 474 deletions(-) create mode 100644 nexgb/xgbgen/aligngap.go diff --git a/nexgb/dri2/dri2.go b/nexgb/dri2/dri2.go index 6cec3d0..5ad0306 100644 --- a/nexgb/dri2/dri2.go +++ b/nexgb/dri2/dri2.go @@ -76,7 +76,7 @@ func (v AttachFormat) Bytes() []byte { xgb.Put32(buf[b:], v.Format) b += 4 - return buf + return buf[:b] } // AttachFormatListBytes writes a list of AttachFormat values to a byte slice. @@ -281,7 +281,7 @@ func (v DRI2Buffer) Bytes() []byte { xgb.Put32(buf[b:], v.Flags) b += 4 - return buf + return buf[:b] } // DRI2BufferListBytes writes a list of DRI2Buffer values to a byte slice. @@ -567,7 +567,7 @@ func connectReply(buf []byte) *ConnectReply { v.AlignmentPad = make([]byte, (((int(v.DriverNameLength) + 3) & -4) - int(v.DriverNameLength))) copy(v.AlignmentPad[:(((int(v.DriverNameLength)+3)&-4)-int(v.DriverNameLength))], buf[b:]) - b += xgb.Pad(int((((int(v.DriverNameLength) + 3) & -4) - int(v.DriverNameLength)))) + b += int((((int(v.DriverNameLength) + 3) & -4) - int(v.DriverNameLength))) { byteString := make([]byte, v.DeviceNameLength) @@ -914,7 +914,6 @@ func getBuffersRequest(c *xgb.Conn, Drawable xproto.Drawable, Count uint32, Atta xgb.Put32(buf[b:], Attachments[i]) b += 4 } - b = xgb.Pad(b) return buf } diff --git a/nexgb/examples/randr/main.go b/nexgb/examples/randr/main.go index 414ef8d..ac6fb7a 100644 --- a/nexgb/examples/randr/main.go +++ b/nexgb/examples/randr/main.go @@ -63,7 +63,7 @@ func main() { if err != nil { log.Fatal(err) } - fmt.Printf("X: %d, Y: %d, Width: %d, Height: %d\n", + fmt.Printf("%v, X: %d, Y: %d, Width: %d, Height: %d\n", info.X, info.Y, info.Width, info.Height) } diff --git a/nexgb/glx/glx.go b/nexgb/glx/glx.go index 979d577..0951765 100644 --- a/nexgb/glx/glx.go +++ b/nexgb/glx/glx.go @@ -1097,7 +1097,6 @@ func areTexturesResidentReply(buf []byte) *AreTexturesResidentReply { } b += 1 } - b = xgb.Pad(b) return v } @@ -1128,7 +1127,6 @@ func areTexturesResidentRequest(c *xgb.Conn, ContextTag ContextTag, N int32, Tex xgb.Put32(buf[b:], Textures[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1192,7 +1190,6 @@ func changeDrawableAttributesRequest(c *xgb.Conn, Drawable Drawable, NumAttribs xgb.Put32(buf[b:], Attribs[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1256,7 +1253,7 @@ func clientInfoRequest(c *xgb.Conn, MajorVersion uint32, MinorVersion uint32, St b += 4 copy(buf[b:], String[:StrLen]) - b += xgb.Pad(int(StrLen)) + b += int(StrLen) return buf } @@ -1475,7 +1472,6 @@ func createContextAttribsARBRequest(c *xgb.Conn, Context Context, Fbconfig Fbcon xgb.Put32(buf[b:], Attribs[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1685,7 +1681,6 @@ func createPbufferRequest(c *xgb.Conn, Screen uint32, Fbconfig Fbconfig, Pbuffer xgb.Put32(buf[b:], Attribs[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1758,7 +1753,6 @@ func createPixmapRequest(c *xgb.Conn, Screen uint32, Fbconfig Fbconfig, Pixmap x xgb.Put32(buf[b:], Attribs[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1831,7 +1825,6 @@ func createWindowRequest(c *xgb.Conn, Screen uint32, Fbconfig Fbconfig, Window x xgb.Put32(buf[b:], Attribs[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -1956,7 +1949,6 @@ func deleteQueriesARBRequest(c *xgb.Conn, ContextTag ContextTag, N int32, Ids [] xgb.Put32(buf[b:], Ids[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -2020,7 +2012,6 @@ func deleteTexturesRequest(c *xgb.Conn, ContextTag ContextTag, N int32, Textures xgb.Put32(buf[b:], Textures[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -2714,7 +2705,6 @@ func genQueriesARBReply(buf []byte) *GenQueriesARBReply { v.Data[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -2812,7 +2802,6 @@ func genTexturesReply(buf []byte) *GenTexturesReply { v.Data[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -2929,7 +2918,6 @@ func getBooleanvReply(buf []byte) *GetBooleanvReply { } b += 1 } - b = xgb.Pad(b) return v } @@ -3027,7 +3015,6 @@ func getClipPlaneReply(buf []byte) *GetClipPlaneReply { v.Data[i] = Float64(xgb.Get64(buf[b:])) b += 8 } - b = xgb.Pad(b) return v } @@ -3129,7 +3116,7 @@ func getColorTableReply(buf []byte) *GetColorTableReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -3251,7 +3238,6 @@ func getColorTableParameterfvReply(buf []byte) *GetColorTableParameterfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3363,7 +3349,6 @@ func getColorTableParameterivReply(buf []byte) *GetColorTableParameterivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3468,7 +3453,7 @@ func getCompressedTexImageARBReply(buf []byte) *GetCompressedTexImageARBReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -3577,7 +3562,7 @@ func getConvolutionFilterReply(buf []byte) *GetConvolutionFilterReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -3699,7 +3684,6 @@ func getConvolutionParameterfvReply(buf []byte) *GetConvolutionParameterfvReply v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3811,7 +3795,6 @@ func getConvolutionParameterivReply(buf []byte) *GetConvolutionParameterivReply v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3923,7 +3906,6 @@ func getDoublevReply(buf []byte) *GetDoublevReply { v.Data[i] = Float64(xgb.Get64(buf[b:])) b += 8 } - b = xgb.Pad(b) return v } @@ -4025,7 +4007,6 @@ func getDrawableAttributesReply(buf []byte) *GetDrawableAttributesReply { v.Attribs[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -4216,7 +4197,6 @@ func getFBConfigsReply(buf []byte) *GetFBConfigsReply { v.PropertyList[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -4322,7 +4302,6 @@ func getFloatvReply(buf []byte) *GetFloatvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4424,7 +4403,7 @@ func getHistogramReply(buf []byte) *GetHistogramReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -4553,7 +4532,6 @@ func getHistogramParameterfvReply(buf []byte) *GetHistogramParameterfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4665,7 +4643,6 @@ func getHistogramParameterivReply(buf []byte) *GetHistogramParameterivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4777,7 +4754,6 @@ func getIntegervReply(buf []byte) *GetIntegervReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4886,7 +4862,6 @@ func getLightfvReply(buf []byte) *GetLightfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4998,7 +4973,6 @@ func getLightivReply(buf []byte) *GetLightivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5110,7 +5084,6 @@ func getMapdvReply(buf []byte) *GetMapdvReply { v.Data[i] = Float64(xgb.Get64(buf[b:])) b += 8 } - b = xgb.Pad(b) return v } @@ -5222,7 +5195,6 @@ func getMapfvReply(buf []byte) *GetMapfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5334,7 +5306,6 @@ func getMapivReply(buf []byte) *GetMapivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5446,7 +5417,6 @@ func getMaterialfvReply(buf []byte) *GetMaterialfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5558,7 +5528,6 @@ func getMaterialivReply(buf []byte) *GetMaterialivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5656,7 +5625,7 @@ func getMinmaxReply(buf []byte) *GetMinmaxReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -5785,7 +5754,6 @@ func getMinmaxParameterfvReply(buf []byte) *GetMinmaxParameterfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5897,7 +5865,6 @@ func getMinmaxParameterivReply(buf []byte) *GetMinmaxParameterivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -6009,7 +5976,6 @@ func getPixelMapfvReply(buf []byte) *GetPixelMapfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -6118,7 +6084,6 @@ func getPixelMapuivReply(buf []byte) *GetPixelMapuivReply { v.Data[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -6227,7 +6192,6 @@ func getPixelMapusvReply(buf []byte) *GetPixelMapusvReply { v.Data[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return v } @@ -6322,7 +6286,7 @@ func getPolygonStippleReply(buf []byte) *GetPolygonStippleReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -6435,7 +6399,6 @@ func getQueryObjectivARBReply(buf []byte) *GetQueryObjectivARBReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -6547,7 +6510,6 @@ func getQueryObjectuivARBReply(buf []byte) *GetQueryObjectuivARBReply { v.Data[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -6659,7 +6621,6 @@ func getQueryivARBReply(buf []byte) *GetQueryivARBReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -6768,7 +6729,7 @@ func getSeparableFilterReply(buf []byte) *GetSeparableFilterReply { v.RowsAndCols = make([]byte, (int(v.Length) * 4)) copy(v.RowsAndCols[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -6995,7 +6956,6 @@ func getTexEnvfvReply(buf []byte) *GetTexEnvfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7107,7 +7067,6 @@ func getTexEnvivReply(buf []byte) *GetTexEnvivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7219,7 +7178,6 @@ func getTexGendvReply(buf []byte) *GetTexGendvReply { v.Data[i] = Float64(xgb.Get64(buf[b:])) b += 8 } - b = xgb.Pad(b) return v } @@ -7331,7 +7289,6 @@ func getTexGenfvReply(buf []byte) *GetTexGenfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7443,7 +7400,6 @@ func getTexGenivReply(buf []byte) *GetTexGenivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7556,7 +7512,7 @@ func getTexImageReply(buf []byte) *GetTexImageReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -7681,7 +7637,6 @@ func getTexLevelParameterfvReply(buf []byte) *GetTexLevelParameterfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7796,7 +7751,6 @@ func getTexLevelParameterivReply(buf []byte) *GetTexLevelParameterivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -7911,7 +7865,6 @@ func getTexParameterfvReply(buf []byte) *GetTexParameterfvReply { v.Data[i] = Float32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -8023,7 +7976,6 @@ func getTexParameterivReply(buf []byte) *GetTexParameterivReply { v.Data[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -8132,7 +8084,6 @@ func getVisualConfigsReply(buf []byte) *GetVisualConfigsReply { v.PropertyList[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -8979,7 +8930,6 @@ func queryContextReply(buf []byte) *QueryContextReply { v.Attribs[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -9368,7 +9318,7 @@ func readPixelsReply(buf []byte) *ReadPixelsReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -9480,7 +9430,7 @@ func renderRequest(c *xgb.Conn, ContextTag ContextTag, Data []byte) []byte { b += 4 copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) return buf } @@ -9547,7 +9497,7 @@ func renderLargeRequest(c *xgb.Conn, ContextTag ContextTag, RequestNum uint16, R b += 4 copy(buf[b:], Data[:DataLen]) - b += xgb.Pad(int(DataLen)) + b += int(DataLen) return buf } @@ -9632,7 +9582,6 @@ func renderModeReply(buf []byte) *RenderModeReply { v.Data[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -9788,13 +9737,12 @@ func setClientInfo2ARBRequest(c *xgb.Conn, MajorVersion uint32, MinorVersion uin xgb.Put32(buf[b:], GlVersions[i]) b += 4 } - b = xgb.Pad(b) copy(buf[b:], GlExtensionString[:GlStrLen]) - b += xgb.Pad(int(GlStrLen)) + b += int(GlStrLen) copy(buf[b:], GlxExtensionString[:GlxStrLen]) - b += xgb.Pad(int(GlxStrLen)) + b += int(GlxStrLen) return buf } @@ -9867,13 +9815,12 @@ func setClientInfoARBRequest(c *xgb.Conn, MajorVersion uint32, MinorVersion uint xgb.Put32(buf[b:], GlVersions[i]) b += 4 } - b = xgb.Pad(b) copy(buf[b:], GlExtensionString[:GlStrLen]) - b += xgb.Pad(int(GlStrLen)) + b += int(GlStrLen) copy(buf[b:], GlxExtensionString[:GlxStrLen]) - b += xgb.Pad(int(GlxStrLen)) + b += int(GlxStrLen) return buf } @@ -10059,7 +10006,7 @@ func vendorPrivateRequest(c *xgb.Conn, VendorCode uint32, ContextTag ContextTag, b += 4 copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) return buf } @@ -10131,11 +10078,11 @@ func vendorPrivateWithReplyReply(buf []byte) *VendorPrivateWithReplyReply { v.Data1 = make([]byte, 24) copy(v.Data1[:24], buf[b:]) - b += xgb.Pad(int(24)) + b += int(24) v.Data2 = make([]byte, (int(v.Length) * 4)) copy(v.Data2[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -10163,7 +10110,7 @@ func vendorPrivateWithReplyRequest(c *xgb.Conn, VendorCode uint32, ContextTag Co b += 4 copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) return buf } diff --git a/nexgb/randr/randr.go b/nexgb/randr/randr.go index db45a23..20dc62a 100644 --- a/nexgb/randr/randr.go +++ b/nexgb/randr/randr.go @@ -331,7 +331,7 @@ func (v CrtcChange) Bytes() []byte { xgb.Put16(buf[b:], v.Height) b += 2 - return buf + return buf[:b] } // CrtcChangeListBytes writes a list of CrtcChange values to a byte slice. @@ -489,7 +489,7 @@ func (v ModeInfo) Bytes() []byte { xgb.Put32(buf[b:], v.ModeFlags) b += 4 - return buf + return buf[:b] } // ModeInfoListBytes writes a list of ModeInfo values to a byte slice. @@ -504,6 +504,15 @@ func ModeInfoListBytes(buf []byte, list []ModeInfo) int { return xgb.Pad(b) } +const ( + NotifyCrtcChange = 0 + NotifyOutputChange = 1 + NotifyOutputProperty = 2 + NotifyProviderChange = 3 + NotifyProviderProperty = 4 + NotifyResourceChange = 5 +) + // Notify is the event number for a NotifyEvent. const Notify = 1 @@ -572,15 +581,6 @@ func init() { xgb.NewExtEventFuncs["RANDR"][1] = NotifyEventNew } -const ( - NotifyCrtcChange = 0 - NotifyOutputChange = 1 - NotifyOutputProperty = 2 - NotifyProviderChange = 3 - NotifyProviderProperty = 4 - NotifyResourceChange = 5 -) - // NotifyDataUnion is a represention of the NotifyDataUnion union type. // Note that to *create* a Union, you should *never* create // this struct directly (unless you know what you're doing). @@ -1034,7 +1034,7 @@ func (v OutputChange) Bytes() []byte { buf[b] = v.SubpixelOrder b += 1 - return buf + return buf[:b] } // OutputChangeListBytes writes a list of OutputChange values to a byte slice. @@ -1114,7 +1114,7 @@ func (v OutputProperty) Bytes() []byte { b += 11 // padding - return buf + return buf[:b] } // OutputPropertyListBytes writes a list of OutputProperty values to a byte slice. @@ -1197,7 +1197,7 @@ func (v ProviderChange) Bytes() []byte { b += 16 // padding - return buf + return buf[:b] } // ProviderChangeListBytes writes a list of ProviderChange values to a byte slice. @@ -1277,7 +1277,7 @@ func (v ProviderProperty) Bytes() []byte { b += 11 // padding - return buf + return buf[:b] } // ProviderPropertyListBytes writes a list of ProviderProperty values to a byte slice. @@ -1309,7 +1309,6 @@ func RefreshRatesRead(buf []byte, v *RefreshRates) int { v.Rates[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return b } @@ -1336,9 +1335,8 @@ func (v RefreshRates) Bytes() []byte { xgb.Put16(buf[b:], v.Rates[i]) b += 2 } - b = xgb.Pad(b) - return buf + return buf[:b] } // RefreshRatesListBytes writes a list of RefreshRates values to a byte slice. @@ -1406,7 +1404,7 @@ func (v ResourceChange) Bytes() []byte { b += 20 // padding - return buf + return buf[:b] } // ResourceChangeListBytes writes a list of ResourceChange values to a byte slice. @@ -1621,7 +1619,7 @@ func (v ScreenSize) Bytes() []byte { xgb.Put16(buf[b:], v.Mheight) b += 2 - return buf + return buf[:b] } // ScreenSizeListBytes writes a list of ScreenSize values to a byte slice. @@ -1802,7 +1800,7 @@ func changeOutputPropertyRequest(c *xgb.Conn, Output Output, Property xproto.Ato b += 4 copy(buf[b:], Data[:((int(NumUnits)*int(Format))/8)]) - b += xgb.Pad(int(((int(NumUnits) * int(Format)) / 8))) + b += int(((int(NumUnits) * int(Format)) / 8)) return buf } @@ -1877,7 +1875,7 @@ func changeProviderPropertyRequest(c *xgb.Conn, Provider Provider, Property xpro b += 4 copy(buf[b:], Data[:(int(NumItems)*(int(Format)/8))]) - b += xgb.Pad(int((int(NumItems) * (int(Format) / 8)))) + b += int((int(NumItems) * (int(Format) / 8))) return buf } @@ -1957,7 +1955,6 @@ func configureOutputPropertyRequest(c *xgb.Conn, Output Output, Property xproto. xgb.Put32(buf[b:], uint32(Values[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -2037,7 +2034,6 @@ func configureProviderPropertyRequest(c *xgb.Conn, Provider Provider, Property x xgb.Put32(buf[b:], uint32(Values[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -2137,7 +2133,7 @@ func createModeRequest(c *xgb.Conn, Window xproto.Window, ModeInfo ModeInfo, Nam } copy(buf[b:], Name[:len(Name)]) - b += xgb.Pad(int(len(Name))) + b += int(len(Name)) return buf } @@ -2405,9 +2401,11 @@ type GetCrtcGammaReply struct { // padding: 1 bytes Size uint16 // padding: 22 bytes - Red []uint16 // size: xgb.Pad((int(Size) * 2)) + Red []uint16 // size: xgb.Pad((int(Size) * 2)) + // alignment gap to multiple of 2 Green []uint16 // size: xgb.Pad((int(Size) * 2)) - Blue []uint16 // size: xgb.Pad((int(Size) * 2)) + // alignment gap to multiple of 2 + Blue []uint16 // size: xgb.Pad((int(Size) * 2)) } // Reply blocks and returns the reply data for a GetCrtcGamma request. @@ -2445,21 +2443,22 @@ func getCrtcGammaReply(buf []byte) *GetCrtcGammaReply { v.Red[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Green = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Green[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Blue = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Blue[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return v } @@ -2620,7 +2619,8 @@ type GetCrtcInfoReply struct { NumOutputs uint16 NumPossibleOutputs uint16 Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) + // alignment gap to multiple of 4 + Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) } // Reply blocks and returns the reply data for a GetCrtcInfo request. @@ -2684,14 +2684,14 @@ func getCrtcInfoReply(buf []byte) *GetCrtcInfoReply { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Possible = make([]Output, v.NumPossibleOutputs) for i := 0; i < int(v.NumPossibleOutputs); i++ { v.Possible[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -2762,10 +2762,12 @@ type GetCrtcTransformReply struct { PendingNparams uint16 CurrentLen uint16 CurrentNparams uint16 - PendingFilterName string // size: xgb.Pad((int(PendingLen) * 1)) + PendingFilterName string // size: xgb.Pad((int(PendingLen) * 1)) + // alignment gap to multiple of 4 PendingParams []render.Fixed // size: xgb.Pad((int(PendingNparams) * 4)) CurrentFilterName string // size: xgb.Pad((int(CurrentLen) * 1)) - CurrentParams []render.Fixed // size: xgb.Pad((int(CurrentNparams) * 4)) + // alignment gap to multiple of 4 + CurrentParams []render.Fixed // size: xgb.Pad((int(CurrentNparams) * 4)) } // Reply blocks and returns the reply data for a GetCrtcTransform request. @@ -2829,12 +2831,13 @@ func getCrtcTransformReply(buf []byte) *GetCrtcTransformReply { b += int(v.PendingLen) } + b = (b + 3) & ^3 // alignment gap + v.PendingParams = make([]render.Fixed, v.PendingNparams) for i := 0; i < int(v.PendingNparams); i++ { v.PendingParams[i] = render.Fixed(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) { byteString := make([]byte, v.CurrentLen) @@ -2843,12 +2846,13 @@ func getCrtcTransformReply(buf []byte) *GetCrtcTransformReply { b += int(v.CurrentLen) } + b = (b + 3) & ^3 // alignment gap + v.CurrentParams = make([]render.Fixed, v.CurrentNparams) for i := 0; i < int(v.CurrentNparams); i++ { v.CurrentParams[i] = render.Fixed(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -2918,10 +2922,12 @@ type GetOutputInfoReply struct { NumPreferred uint16 NumClones uint16 NameLen uint16 - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) - Clones []Output // size: xgb.Pad((int(NumClones) * 4)) - Name []byte // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) + // alignment gap to multiple of 4 + Clones []Output // size: xgb.Pad((int(NumClones) * 4)) + Name []byte // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetOutputInfo request. @@ -2988,25 +2994,26 @@ func getOutputInfoReply(buf []byte) *GetOutputInfoReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]Mode, v.NumModes) for i := 0; i < int(v.NumModes); i++ { v.Modes[i] = Mode(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Clones = make([]Output, v.NumClones) for i := 0; i < int(v.NumClones); i++ { v.Clones[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) v.Name = make([]byte, v.NameLen) copy(v.Name[:v.NameLen], buf[b:]) - b += xgb.Pad(int(v.NameLen)) + b += int(v.NameLen) return v } @@ -3202,7 +3209,7 @@ func getOutputPropertyReply(buf []byte) *GetOutputPropertyReply { v.Data = make([]byte, (int(v.NumItems) * (int(v.Format) / 8))) copy(v.Data[:(int(v.NumItems)*(int(v.Format)/8))], buf[b:]) - b += xgb.Pad(int((int(v.NumItems) * (int(v.Format) / 8)))) + b += int((int(v.NumItems) * (int(v.Format) / 8))) return v } @@ -3433,11 +3440,14 @@ type GetProviderInfoReply struct { NumAssociatedProviders uint16 NameLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - Name string // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + // alignment gap to multiple of 4 + AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + Name string // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetProviderInfo request. @@ -3491,28 +3501,30 @@ func getProviderInfoReply(buf []byte) *GetProviderInfoReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.AssociatedProviders = make([]Provider, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedProviders[i] = Provider(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.AssociatedCapability = make([]uint32, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedCapability[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) { byteString := make([]byte, v.NameLen) @@ -3627,7 +3639,7 @@ func getProviderPropertyReply(buf []byte) *GetProviderPropertyReply { v.Data = make([]byte, (int(v.NumItems) * (int(v.Format) / 8))) copy(v.Data[:(int(v.NumItems)*(int(v.Format)/8))], buf[b:]) - b += xgb.Pad(int((int(v.NumItems) * (int(v.Format) / 8)))) + b += int((int(v.NumItems) * (int(v.Format) / 8))) return v } @@ -3758,7 +3770,6 @@ func getProvidersReply(buf []byte) *GetProvidersReply { v.Providers[i] = Provider(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -3826,7 +3837,8 @@ type GetScreenInfoReply struct { Rate uint16 NInfo uint16 // padding: 2 bytes - Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) + Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) + // alignment gap to multiple of 2 Rates []RefreshRates // size: RefreshRatesListSize(Rates) } @@ -3885,6 +3897,8 @@ func getScreenInfoReply(buf []byte) *GetScreenInfoReply { v.Sizes = make([]ScreenSize, v.NSizes) b += ScreenSizeReadList(buf[b:], v.Sizes) + b = (b + 1) & ^1 // alignment gap + v.Rates = make([]RefreshRates, (int(v.NInfo) - int(v.NSizes))) b += RefreshRatesReadList(buf[b:], v.Rates) @@ -3952,10 +3966,12 @@ type GetScreenResourcesReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResources request. @@ -4008,21 +4024,23 @@ func getScreenResourcesReply(buf []byte) *GetScreenResourcesReply { v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) v.Names = make([]byte, v.NamesLen) copy(v.Names[:v.NamesLen], buf[b:]) - b += xgb.Pad(int(v.NamesLen)) + b += int(v.NamesLen) return v } @@ -4088,10 +4106,12 @@ type GetScreenResourcesCurrentReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + // alignment gap to multiple of 4 + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + // alignment gap to multiple of 4 + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResourcesCurrent request. @@ -4144,21 +4164,23 @@ func getScreenResourcesCurrentReply(buf []byte) *GetScreenResourcesCurrentReply v.Crtcs[i] = Crtc(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) v.Names = make([]byte, v.NamesLen) copy(v.Names[:v.NamesLen], buf[b:]) - b += xgb.Pad(int(v.NamesLen)) + b += int(v.NamesLen) return v } @@ -4360,7 +4382,6 @@ func listOutputPropertiesReply(buf []byte) *ListOutputPropertiesReply { v.Atoms[i] = xproto.Atom(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4459,7 +4480,6 @@ func listProviderPropertiesReply(buf []byte) *ListProviderPropertiesReply { v.Atoms[i] = xproto.Atom(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4578,7 +4598,6 @@ func queryOutputPropertyReply(buf []byte) *QueryOutputPropertyReply { v.ValidValues[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -4700,7 +4719,6 @@ func queryProviderPropertyReply(buf []byte) *QueryProviderPropertyReply { v.ValidValues[i] = int32(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -5001,7 +5019,6 @@ func setCrtcConfigRequest(c *xgb.Conn, Crtc Crtc, Timestamp xproto.Timestamp, Co xgb.Put32(buf[b:], uint32(Outputs[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -5042,7 +5059,7 @@ func (cook SetCrtcGammaCookie) Check() error { // Write request to wire for SetCrtcGamma // setCrtcGammaRequest writes a SetCrtcGamma request to a byte slice. func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Green []uint16, Blue []uint16) []byte { - size := xgb.Pad((((12 + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2)))) + size := xgb.Pad((((((12 + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2)))) b := 0 buf := make([]byte, size) @@ -5052,7 +5069,7 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree buf[b] = 24 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Crtc)) @@ -5067,21 +5084,24 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree xgb.Put16(buf[b:], Red[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Green[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Blue[i]) b += 2 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetCrtcTransformCookie is a cookie used only for SetCrtcTransform requests. @@ -5120,7 +5140,7 @@ func (cook SetCrtcTransformCookie) Check() error { // Write request to wire for SetCrtcTransform // setCrtcTransformRequest writes a SetCrtcTransform request to a byte slice. func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, FilterLen uint16, FilterName string, FilterParams []render.Fixed) []byte { - size := xgb.Pad(((48 + xgb.Pad((int(FilterLen) * 1))) + xgb.Pad((len(FilterParams) * 4)))) + size := xgb.Pad((((48 + xgb.Pad((int(FilterLen) * 1))) + 4) + xgb.Pad((len(FilterParams) * 4)))) b := 0 buf := make([]byte, size) @@ -5130,7 +5150,7 @@ func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, buf[b] = 26 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Crtc)) @@ -5148,15 +5168,18 @@ func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, b += 2 // padding copy(buf[b:], FilterName[:FilterLen]) - b += xgb.Pad(int(FilterLen)) + b += int(FilterLen) + + b = (b + 3) & ^3 // alignment gap for i := 0; i < int(len(FilterParams)); i++ { xgb.Put32(buf[b:], uint32(FilterParams[i])) b += 4 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetOutputPrimaryCookie is a cookie used only for SetOutputPrimary requests. diff --git a/nexgb/record/record.go b/nexgb/record/record.go index 3777422..30be090 100644 --- a/nexgb/record/record.go +++ b/nexgb/record/record.go @@ -133,7 +133,7 @@ func (v ClientInfo) Bytes() []byte { b += RangeListBytes(buf[b:], v.Ranges) - return buf + return buf[:b] } // ClientInfoListBytes writes a list of ClientInfo values to a byte slice. @@ -222,7 +222,7 @@ func (v ExtRange) Bytes() []byte { b += len(structBytes) } - return buf + return buf[:b] } // ExtRangeListBytes writes a list of ExtRange values to a byte slice. @@ -368,7 +368,7 @@ func (v Range) Bytes() []byte { } b += 1 - return buf + return buf[:b] } // RangeListBytes writes a list of Range values to a byte slice. @@ -422,7 +422,7 @@ func (v Range16) Bytes() []byte { xgb.Put16(buf[b:], v.Last) b += 2 - return buf + return buf[:b] } // Range16ListBytes writes a list of Range16 values to a byte slice. @@ -476,7 +476,7 @@ func (v Range8) Bytes() []byte { buf[b] = v.Last b += 1 - return buf + return buf[:b] } // Range8ListBytes writes a list of Range8 values to a byte slice. @@ -551,7 +551,7 @@ func (cook CreateContextCookie) Check() error { // Write request to wire for CreateContext // createContextRequest writes a CreateContext request to a byte slice. func createContextRequest(c *xgb.Conn, Context Context, ElementHeader ElementHeader, NumClientSpecs uint32, NumRanges uint32, ClientSpecs []ClientSpec, Ranges []Range) []byte { - size := xgb.Pad(((20 + xgb.Pad((int(NumClientSpecs) * 4))) + xgb.Pad((int(NumRanges) * 24)))) + size := xgb.Pad((((20 + xgb.Pad((int(NumClientSpecs) * 4))) + 4) + xgb.Pad((int(NumRanges) * 24)))) b := 0 buf := make([]byte, size) @@ -561,7 +561,7 @@ func createContextRequest(c *xgb.Conn, Context Context, ElementHeader ElementHea buf[b] = 1 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Context)) @@ -582,11 +582,14 @@ func createContextRequest(c *xgb.Conn, Context Context, ElementHeader ElementHea xgb.Put32(buf[b:], uint32(ClientSpecs[i])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += RangeListBytes(buf[b:], Ranges) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // DisableContextCookie is a cookie used only for DisableContext requests. @@ -737,7 +740,7 @@ func enableContextReply(buf []byte) *EnableContextReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -1057,7 +1060,7 @@ func (cook RegisterClientsCookie) Check() error { // Write request to wire for RegisterClients // registerClientsRequest writes a RegisterClients request to a byte slice. func registerClientsRequest(c *xgb.Conn, Context Context, ElementHeader ElementHeader, NumClientSpecs uint32, NumRanges uint32, ClientSpecs []ClientSpec, Ranges []Range) []byte { - size := xgb.Pad(((20 + xgb.Pad((int(NumClientSpecs) * 4))) + xgb.Pad((int(NumRanges) * 24)))) + size := xgb.Pad((((20 + xgb.Pad((int(NumClientSpecs) * 4))) + 4) + xgb.Pad((int(NumRanges) * 24)))) b := 0 buf := make([]byte, size) @@ -1067,7 +1070,7 @@ func registerClientsRequest(c *xgb.Conn, Context Context, ElementHeader ElementH buf[b] = 2 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Context)) @@ -1088,11 +1091,14 @@ func registerClientsRequest(c *xgb.Conn, Context Context, ElementHeader ElementH xgb.Put32(buf[b:], uint32(ClientSpecs[i])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += RangeListBytes(buf[b:], Ranges) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // UnregisterClientsCookie is a cookie used only for UnregisterClients requests. @@ -1154,7 +1160,6 @@ func unregisterClientsRequest(c *xgb.Conn, Context Context, NumClientSpecs uint3 xgb.Put32(buf[b:], uint32(ClientSpecs[i])) b += 4 } - b = xgb.Pad(b) return buf } diff --git a/nexgb/render/render.go b/nexgb/render/render.go index 80f4be7..f90065b 100644 --- a/nexgb/render/render.go +++ b/nexgb/render/render.go @@ -76,7 +76,7 @@ func (v Animcursorelt) Bytes() []byte { xgb.Put32(buf[b:], v.Delay) b += 4 - return buf + return buf[:b] } // AnimcursoreltListBytes writes a list of Animcursorelt values to a byte slice. @@ -144,7 +144,7 @@ func (v Color) Bytes() []byte { xgb.Put16(buf[b:], v.Alpha) b += 2 - return buf + return buf[:b] } // ColorListBytes writes a list of Color values to a byte slice. @@ -256,7 +256,7 @@ func (v Directformat) Bytes() []byte { xgb.Put16(buf[b:], v.AlphaMask) b += 2 - return buf + return buf[:b] } // DirectformatListBytes writes a list of Directformat values to a byte slice. @@ -434,7 +434,7 @@ func (v Glyphinfo) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.YOff)) b += 2 - return buf + return buf[:b] } // GlyphinfoListBytes writes a list of Glyphinfo values to a byte slice. @@ -519,7 +519,7 @@ func (v Indexvalue) Bytes() []byte { xgb.Put16(buf[b:], v.Alpha) b += 2 - return buf + return buf[:b] } // IndexvalueListBytes writes a list of Indexvalue values to a byte slice. @@ -579,7 +579,7 @@ func (v Linefix) Bytes() []byte { b += len(structBytes) } - return buf + return buf[:b] } // LinefixListBytes writes a list of Linefix values to a byte slice. @@ -802,7 +802,7 @@ func (v Pictdepth) Bytes() []byte { b += PictvisualListBytes(buf[b:], v.Visuals) - return buf + return buf[:b] } // PictdepthListBytes writes a list of Pictdepth values to a byte slice. @@ -904,7 +904,7 @@ func (v Pictforminfo) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Colormap)) b += 4 - return buf + return buf[:b] } // PictforminfoListBytes writes a list of Pictforminfo values to a byte slice. @@ -964,7 +964,7 @@ func (v Pictscreen) Bytes() []byte { b += PictdepthListBytes(buf[b:], v.Depths) - return buf + return buf[:b] } // PictscreenListBytes writes a list of Pictscreen values to a byte slice. @@ -1087,7 +1087,7 @@ func (v Pictvisual) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Format)) b += 4 - return buf + return buf[:b] } // PictvisualListBytes writes a list of Pictvisual values to a byte slice. @@ -1141,7 +1141,7 @@ func (v Pointfix) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Y)) b += 4 - return buf + return buf[:b] } // PointfixListBytes writes a list of Pointfix values to a byte slice. @@ -1219,7 +1219,7 @@ func (v Spanfix) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Y)) b += 4 - return buf + return buf[:b] } // SpanfixListBytes writes a list of Spanfix values to a byte slice. @@ -1331,7 +1331,7 @@ func (v Transform) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Matrix33)) b += 4 - return buf + return buf[:b] } // TransformListBytes writes a list of Transform values to a byte slice. @@ -1391,7 +1391,7 @@ func (v Trap) Bytes() []byte { b += len(structBytes) } - return buf + return buf[:b] } // TrapListBytes writes a list of Trap values to a byte slice. @@ -1465,7 +1465,7 @@ func (v Trapezoid) Bytes() []byte { b += len(structBytes) } - return buf + return buf[:b] } // TrapezoidListBytes writes a list of Trapezoid values to a byte slice. @@ -1535,7 +1535,7 @@ func (v Triangle) Bytes() []byte { b += len(structBytes) } - return buf + return buf[:b] } // TriangleListBytes writes a list of Triangle values to a byte slice. @@ -1610,7 +1610,7 @@ func (cook AddGlyphsCookie) Check() error { // Write request to wire for AddGlyphs // addGlyphsRequest writes a AddGlyphs request to a byte slice. func addGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids []uint32, Glyphs []Glyphinfo, Data []byte) []byte { - size := xgb.Pad((((12 + xgb.Pad((int(GlyphsLen) * 4))) + xgb.Pad((int(GlyphsLen) * 12))) + xgb.Pad((len(Data) * 1)))) + size := xgb.Pad(((((12 + xgb.Pad((int(GlyphsLen) * 4))) + 4) + xgb.Pad((int(GlyphsLen) * 12))) + xgb.Pad((len(Data) * 1)))) b := 0 buf := make([]byte, size) @@ -1620,7 +1620,7 @@ func addGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids buf[b] = 20 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Glyphset)) @@ -1633,14 +1633,17 @@ func addGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, GlyphsLen uint32, Glyphids xgb.Put32(buf[b:], Glyphids[i]) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += GlyphinfoListBytes(buf[b:], Glyphs) copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // AddTrapsCookie is a cookie used only for AddTraps requests. @@ -1932,7 +1935,7 @@ func compositeGlyphs16Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, Ma b += 2 copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) - b += xgb.Pad(int(len(Glyphcmds))) + b += int(len(Glyphcmds)) return buf } @@ -2010,7 +2013,7 @@ func compositeGlyphs32Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, Ma b += 2 copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) - b += xgb.Pad(int(len(Glyphcmds))) + b += int(len(Glyphcmds)) return buf } @@ -2088,7 +2091,7 @@ func compositeGlyphs8Request(c *xgb.Conn, Op byte, Src Picture, Dst Picture, Mas b += 2 copy(buf[b:], Glyphcmds[:len(Glyphcmds)]) - b += xgb.Pad(int(len(Glyphcmds))) + b += int(len(Glyphcmds)) return buf } @@ -2186,7 +2189,7 @@ func (cook CreateConicalGradientCookie) Check() error { // Write request to wire for CreateConicalGradient // createConicalGradientRequest writes a CreateConicalGradient request to a byte slice. func createConicalGradientRequest(c *xgb.Conn, Picture Picture, Center Pointfix, Angle Fixed, NumStops uint32, Stops []Fixed, Colors []Color) []byte { - size := xgb.Pad(((24 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) + size := xgb.Pad((((24 + xgb.Pad((int(NumStops) * 4))) + 4) + xgb.Pad((int(NumStops) * 8)))) b := 0 buf := make([]byte, size) @@ -2196,7 +2199,7 @@ func createConicalGradientRequest(c *xgb.Conn, Picture Picture, Center Pointfix, buf[b] = 36 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Picture)) @@ -2218,11 +2221,14 @@ func createConicalGradientRequest(c *xgb.Conn, Picture Picture, Center Pointfix, xgb.Put32(buf[b:], uint32(Stops[i])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += ColorListBytes(buf[b:], Colors) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // CreateCursorCookie is a cookie used only for CreateCursor requests. @@ -2383,7 +2389,7 @@ func (cook CreateLinearGradientCookie) Check() error { // Write request to wire for CreateLinearGradient // createLinearGradientRequest writes a CreateLinearGradient request to a byte slice. func createLinearGradientRequest(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 Pointfix, NumStops uint32, Stops []Fixed, Colors []Color) []byte { - size := xgb.Pad(((28 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) + size := xgb.Pad((((28 + xgb.Pad((int(NumStops) * 4))) + 4) + xgb.Pad((int(NumStops) * 8)))) b := 0 buf := make([]byte, size) @@ -2393,7 +2399,7 @@ func createLinearGradientRequest(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 P buf[b] = 34 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Picture)) @@ -2418,11 +2424,14 @@ func createLinearGradientRequest(c *xgb.Conn, Picture Picture, P1 Pointfix, P2 P xgb.Put32(buf[b:], uint32(Stops[i])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += ColorListBytes(buf[b:], Colors) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // CreatePictureCookie is a cookie used only for CreatePicture requests. @@ -2530,7 +2539,7 @@ func (cook CreateRadialGradientCookie) Check() error { // Write request to wire for CreateRadialGradient // createRadialGradientRequest writes a CreateRadialGradient request to a byte slice. func createRadialGradientRequest(c *xgb.Conn, Picture Picture, Inner Pointfix, Outer Pointfix, InnerRadius Fixed, OuterRadius Fixed, NumStops uint32, Stops []Fixed, Colors []Color) []byte { - size := xgb.Pad(((36 + xgb.Pad((int(NumStops) * 4))) + xgb.Pad((int(NumStops) * 8)))) + size := xgb.Pad((((36 + xgb.Pad((int(NumStops) * 4))) + 4) + xgb.Pad((int(NumStops) * 8)))) b := 0 buf := make([]byte, size) @@ -2540,7 +2549,7 @@ func createRadialGradientRequest(c *xgb.Conn, Picture Picture, Inner Pointfix, O buf[b] = 35 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Picture)) @@ -2571,11 +2580,14 @@ func createRadialGradientRequest(c *xgb.Conn, Picture Picture, Inner Pointfix, O xgb.Put32(buf[b:], uint32(Stops[i])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap b += ColorListBytes(buf[b:], Colors) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // CreateSolidFillCookie is a cookie used only for CreateSolidFill requests. @@ -2818,7 +2830,6 @@ func freeGlyphsRequest(c *xgb.Conn, Glyphset Glyphset, Glyphs []Glyph) []byte { xgb.Put32(buf[b:], uint32(Glyphs[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -2955,7 +2966,6 @@ func queryFiltersReply(buf []byte) *QueryFiltersReply { v.Aliases[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) v.Filters = make([]xproto.Str, v.NumFilters) b += xproto.StrReadList(buf[b:], v.Filters) @@ -3023,9 +3033,11 @@ type QueryPictFormatsReply struct { NumVisuals uint32 NumSubpixel uint32 // padding: 4 bytes - Formats []Pictforminfo // size: xgb.Pad((int(NumFormats) * 28)) - Screens []Pictscreen // size: PictscreenListSize(Screens) - Subpixels []uint32 // size: xgb.Pad((int(NumSubpixel) * 4)) + Formats []Pictforminfo // size: xgb.Pad((int(NumFormats) * 28)) + // alignment gap to multiple of 4 + Screens []Pictscreen // size: PictscreenListSize(Screens) + // alignment gap to multiple of 4 + Subpixels []uint32 // size: xgb.Pad((int(NumSubpixel) * 4)) } // Reply blocks and returns the reply data for a QueryPictFormats request. @@ -3073,15 +3085,18 @@ func queryPictFormatsReply(buf []byte) *QueryPictFormatsReply { v.Formats = make([]Pictforminfo, v.NumFormats) b += PictforminfoReadList(buf[b:], v.Formats) + b = (b + 3) & ^3 // alignment gap + v.Screens = make([]Pictscreen, v.NumScreens) b += PictscreenReadList(buf[b:], v.Screens) + b = (b + 3) & ^3 // alignment gap + v.Subpixels = make([]uint32, v.NumSubpixel) for i := 0; i < int(v.NumSubpixel); i++ { v.Subpixels[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -3455,7 +3470,7 @@ func (cook SetPictureFilterCookie) Check() error { // Write request to wire for SetPictureFilter // setPictureFilterRequest writes a SetPictureFilter request to a byte slice. func setPictureFilterRequest(c *xgb.Conn, Picture Picture, FilterLen uint16, Filter string, Values []Fixed) []byte { - size := xgb.Pad(((12 + xgb.Pad((int(FilterLen) * 1))) + xgb.Pad((len(Values) * 4)))) + size := xgb.Pad((((12 + xgb.Pad((int(FilterLen) * 1))) + 4) + xgb.Pad((len(Values) * 4)))) b := 0 buf := make([]byte, size) @@ -3465,7 +3480,7 @@ func setPictureFilterRequest(c *xgb.Conn, Picture Picture, FilterLen uint16, Fil buf[b] = 30 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put32(buf[b:], uint32(Picture)) @@ -3477,15 +3492,18 @@ func setPictureFilterRequest(c *xgb.Conn, Picture Picture, FilterLen uint16, Fil b += 2 // padding copy(buf[b:], Filter[:FilterLen]) - b += xgb.Pad(int(FilterLen)) + b += int(FilterLen) + + b = (b + 3) & ^3 // alignment gap for i := 0; i < int(len(Values)); i++ { xgb.Put32(buf[b:], uint32(Values[i])) b += 4 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetPictureTransformCookie is a cookie used only for SetPictureTransform requests. diff --git a/nexgb/res/res.go b/nexgb/res/res.go index 8311f95..dd53857 100644 --- a/nexgb/res/res.go +++ b/nexgb/res/res.go @@ -76,7 +76,7 @@ func (v Client) Bytes() []byte { xgb.Put32(buf[b:], v.ResourceMask) b += 4 - return buf + return buf[:b] } // ClientListBytes writes a list of Client values to a byte slice. @@ -135,7 +135,7 @@ func (v ClientIdSpec) Bytes() []byte { xgb.Put32(buf[b:], v.Mask) b += 4 - return buf + return buf[:b] } // ClientIdSpecListBytes writes a list of ClientIdSpec values to a byte slice. @@ -171,7 +171,6 @@ func ClientIdValueRead(buf []byte, v *ClientIdValue) int { v.Value[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return b } @@ -204,9 +203,8 @@ func (v ClientIdValue) Bytes() []byte { xgb.Put32(buf[b:], v.Value[i]) b += 4 } - b = xgb.Pad(b) - return buf + return buf[:b] } // ClientIdValueListBytes writes a list of ClientIdValue values to a byte slice. @@ -269,7 +267,7 @@ func (v ResourceIdSpec) Bytes() []byte { xgb.Put32(buf[b:], v.Type) b += 4 - return buf + return buf[:b] } // ResourceIdSpecListBytes writes a list of ResourceIdSpec values to a byte slice. @@ -340,7 +338,7 @@ func (v ResourceSizeSpec) Bytes() []byte { xgb.Put32(buf[b:], v.UseCount) b += 4 - return buf + return buf[:b] } // ResourceSizeSpecListBytes writes a list of ResourceSizeSpec values to a byte slice. @@ -403,7 +401,7 @@ func (v ResourceSizeValue) Bytes() []byte { b += ResourceSizeSpecListBytes(buf[b:], v.CrossReferences) - return buf + return buf[:b] } // ResourceSizeValueListBytes writes a list of ResourceSizeValue values to a byte slice. @@ -466,7 +464,7 @@ func (v Type) Bytes() []byte { xgb.Put32(buf[b:], v.Count) b += 4 - return buf + return buf[:b] } // TypeListBytes writes a list of Type values to a byte slice. diff --git a/nexgb/xcmisc/xcmisc.go b/nexgb/xcmisc/xcmisc.go index 5cff5f1..2240ee1 100644 --- a/nexgb/xcmisc/xcmisc.go +++ b/nexgb/xcmisc/xcmisc.go @@ -228,7 +228,6 @@ func getXIDListReply(buf []byte) *GetXIDListReply { v.Ids[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } diff --git a/nexgb/xevie/xevie.go b/nexgb/xevie/xevie.go index f77d405..7e18f8d 100644 --- a/nexgb/xevie/xevie.go +++ b/nexgb/xevie/xevie.go @@ -72,7 +72,7 @@ func (v Event) Bytes() []byte { b += 32 // padding - return buf + return buf[:b] } // EventListBytes writes a list of Event values to a byte slice. diff --git a/nexgb/xf86dri/xf86dri.go b/nexgb/xf86dri/xf86dri.go index d88cc5d..6a07e41 100644 --- a/nexgb/xf86dri/xf86dri.go +++ b/nexgb/xf86dri/xf86dri.go @@ -90,7 +90,7 @@ func (v DrmClipRect) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.X3)) b += 2 - return buf + return buf[:b] } // DrmClipRectListBytes writes a list of DrmClipRect values to a byte slice. @@ -776,7 +776,6 @@ func getDeviceInfoReply(buf []byte) *GetDeviceInfoReply { v.DevicePrivate[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -846,7 +845,8 @@ type GetDrawableInfoReply struct { BackY int16 NumBackClipRects uint32 ClipRects []DrmClipRect // size: xgb.Pad((int(NumClipRects) * 8)) - BackClipRects []DrmClipRect // size: xgb.Pad((int(NumBackClipRects) * 8)) + // alignment gap to multiple of 4 + BackClipRects []DrmClipRect // size: xgb.Pad((int(NumBackClipRects) * 8)) } // Reply blocks and returns the reply data for a GetDrawableInfo request. @@ -907,6 +907,8 @@ func getDrawableInfoReply(buf []byte) *GetDrawableInfoReply { v.ClipRects = make([]DrmClipRect, v.NumClipRects) b += DrmClipRectReadList(buf[b:], v.ClipRects) + b = (b + 3) & ^3 // alignment gap + v.BackClipRects = make([]DrmClipRect, v.NumBackClipRects) b += DrmClipRectReadList(buf[b:], v.BackClipRects) diff --git a/nexgb/xf86vidmode/xf86vidmode.go b/nexgb/xf86vidmode/xf86vidmode.go index 8abb44e..5b0f1f8 100644 --- a/nexgb/xf86vidmode/xf86vidmode.go +++ b/nexgb/xf86vidmode/xf86vidmode.go @@ -408,7 +408,7 @@ func (v ModeInfo) Bytes() []byte { xgb.Put32(buf[b:], v.Privsize) b += 4 - return buf + return buf[:b] } // ModeInfoListBytes writes a list of ModeInfo values to a byte slice. @@ -676,7 +676,7 @@ func addModeLineRequest(c *xgb.Conn, Screen uint32, Dotclock Dotclock, Hdisplay b += 12 // padding copy(buf[b:], Private[:Privsize]) - b += xgb.Pad(int(Privsize)) + b += int(Privsize) return buf } @@ -774,7 +774,7 @@ func deleteModeLineRequest(c *xgb.Conn, Screen uint32, Dotclock Dotclock, Hdispl b += 4 copy(buf[b:], Private[:Privsize]) - b += xgb.Pad(int(Privsize)) + b += int(Privsize) return buf } @@ -956,7 +956,6 @@ func getDotClocksReply(buf []byte) *GetDotClocksReply { v.Clock[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -1120,9 +1119,11 @@ type GetGammaRampReply struct { // padding: 1 bytes Size uint16 // padding: 22 bytes - Red []uint16 // size: xgb.Pad((((int(Size) + 1) & -2) * 2)) + Red []uint16 // size: xgb.Pad((((int(Size) + 1) & -2) * 2)) + // alignment gap to multiple of 2 Green []uint16 // size: xgb.Pad((((int(Size) + 1) & -2) * 2)) - Blue []uint16 // size: xgb.Pad((((int(Size) + 1) & -2) * 2)) + // alignment gap to multiple of 2 + Blue []uint16 // size: xgb.Pad((((int(Size) + 1) & -2) * 2)) } // Reply blocks and returns the reply data for a GetGammaRamp request. @@ -1160,21 +1161,22 @@ func getGammaRampReply(buf []byte) *GetGammaRampReply { v.Red[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Green = make([]uint16, ((int(v.Size) + 1) & -2)) for i := 0; i < int(((int(v.Size) + 1) & -2)); i++ { v.Green[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap v.Blue = make([]uint16, ((int(v.Size) + 1) & -2)) for i := 0; i < int(((int(v.Size) + 1) & -2)); i++ { v.Blue[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) return v } @@ -1413,7 +1415,7 @@ func getModeLineReply(buf []byte) *GetModeLineReply { v.Private = make([]byte, v.Privsize) copy(v.Private[:v.Privsize], buf[b:]) - b += xgb.Pad(int(v.Privsize)) + b += int(v.Privsize) return v } @@ -1479,7 +1481,8 @@ type GetMonitorReply struct { NumHsync byte NumVsync byte // padding: 20 bytes - Hsync []Syncrange // size: xgb.Pad((int(NumHsync) * 4)) + Hsync []Syncrange // size: xgb.Pad((int(NumHsync) * 4)) + // alignment gap to multiple of 4 Vsync []Syncrange // size: xgb.Pad((int(NumVsync) * 4)) Vendor string // size: xgb.Pad((int(VendorLength) * 1)) AlignmentPad []byte // size: xgb.Pad(((((int(VendorLength) + 3) & -4) - int(VendorLength)) * 1)) @@ -1530,14 +1533,14 @@ func getMonitorReply(buf []byte) *GetMonitorReply { v.Hsync[i] = Syncrange(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Vsync = make([]Syncrange, v.NumVsync) for i := 0; i < int(v.NumVsync); i++ { v.Vsync[i] = Syncrange(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) { byteString := make([]byte, v.VendorLength) @@ -1548,7 +1551,7 @@ func getMonitorReply(buf []byte) *GetMonitorReply { v.AlignmentPad = make([]byte, (((int(v.VendorLength) + 3) & -4) - int(v.VendorLength))) copy(v.AlignmentPad[:(((int(v.VendorLength)+3)&-4)-int(v.VendorLength))], buf[b:]) - b += xgb.Pad(int((((int(v.VendorLength) + 3) & -4) - int(v.VendorLength)))) + b += int((((int(v.VendorLength) + 3) & -4) - int(v.VendorLength))) { byteString := make([]byte, v.ModelLength) @@ -1922,7 +1925,7 @@ func modModeLineRequest(c *xgb.Conn, Screen uint32, Hdisplay uint16, Hsyncstart b += 4 copy(buf[b:], Private[:Privsize]) - b += xgb.Pad(int(Privsize)) + b += int(Privsize) return buf } @@ -2178,7 +2181,7 @@ func (cook SetGammaRampCookie) Check() error { // Write request to wire for SetGammaRamp // setGammaRampRequest writes a SetGammaRamp request to a byte slice. func setGammaRampRequest(c *xgb.Conn, Screen uint16, Size uint16, Red []uint16, Green []uint16, Blue []uint16) []byte { - size := xgb.Pad((((8 + xgb.Pad((((int(Size) + 1) & -2) * 2))) + xgb.Pad((((int(Size) + 1) & -2) * 2))) + xgb.Pad((((int(Size) + 1) & -2) * 2)))) + size := xgb.Pad((((((8 + xgb.Pad((((int(Size) + 1) & -2) * 2))) + 2) + xgb.Pad((((int(Size) + 1) & -2) * 2))) + 2) + xgb.Pad((((int(Size) + 1) & -2) * 2)))) b := 0 buf := make([]byte, size) @@ -2188,7 +2191,7 @@ func setGammaRampRequest(c *xgb.Conn, Screen uint16, Size uint16, Red []uint16, buf[b] = 18 // request opcode b += 1 - xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units + blen := b b += 2 xgb.Put16(buf[b:], Screen) @@ -2201,21 +2204,24 @@ func setGammaRampRequest(c *xgb.Conn, Screen uint16, Size uint16, Red []uint16, xgb.Put16(buf[b:], Red[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(((int(Size) + 1) & -2)); i++ { xgb.Put16(buf[b:], Green[i]) b += 2 } - b = xgb.Pad(b) + + b = (b + 1) & ^1 // alignment gap for i := 0; i < int(((int(Size) + 1) & -2)); i++ { xgb.Put16(buf[b:], Blue[i]) b += 2 } - b = xgb.Pad(b) - return buf + b = xgb.Pad(b) + xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units + return buf[:b] } // SetViewPortCookie is a cookie used only for SetViewPort requests. @@ -2432,7 +2438,7 @@ func switchToModeRequest(c *xgb.Conn, Screen uint32, Dotclock Dotclock, Hdisplay b += 4 copy(buf[b:], Private[:Privsize]) - b += xgb.Pad(int(Privsize)) + b += int(Privsize) return buf } @@ -2566,7 +2572,7 @@ func validateModeLineRequest(c *xgb.Conn, Screen uint32, Dotclock Dotclock, Hdis b += 4 copy(buf[b:], Private[:Privsize]) - b += xgb.Pad(int(Privsize)) + b += int(Privsize) return buf } diff --git a/nexgb/xfixes/xfixes.go b/nexgb/xfixes/xfixes.go index 9a08c93..ef08c9a 100644 --- a/nexgb/xfixes/xfixes.go +++ b/nexgb/xfixes/xfixes.go @@ -489,7 +489,7 @@ func changeCursorByNameRequest(c *xgb.Conn, Src xproto.Cursor, Nbytes uint16, Na b += 2 // padding copy(buf[b:], Name[:Nbytes]) - b += xgb.Pad(int(Nbytes)) + b += int(Nbytes) return buf } @@ -697,7 +697,6 @@ func createPointerBarrierRequest(c *xgb.Conn, Barrier Barrier, Window xproto.Win xgb.Put16(buf[b:], Devices[i]) b += 2 } - b = xgb.Pad(b) return buf } @@ -1367,7 +1366,6 @@ func getCursorImageReply(buf []byte) *GetCursorImageReply { v.CursorImage[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -1433,7 +1431,8 @@ type GetCursorImageAndNameReply struct { CursorAtom xproto.Atom Nbytes uint16 // padding: 2 bytes - Name string // size: xgb.Pad((int(Nbytes) * 1)) + Name string // size: xgb.Pad((int(Nbytes) * 1)) + // alignment gap to multiple of 4 CursorImage []uint32 // size: xgb.Pad(((int(Width) * int(Height)) * 4)) } @@ -1498,12 +1497,13 @@ func getCursorImageAndNameReply(buf []byte) *GetCursorImageAndNameReply { b += int(v.Nbytes) } + b = (b + 3) & ^3 // alignment gap + v.CursorImage = make([]uint32, (int(v.Width) * int(v.Height))) for i := 0; i < int((int(v.Width) * int(v.Height))); i++ { v.CursorImage[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -2143,7 +2143,7 @@ func setCursorNameRequest(c *xgb.Conn, Cursor xproto.Cursor, Nbytes uint16, Name b += 2 // padding copy(buf[b:], Name[:Nbytes]) - b += xgb.Pad(int(Nbytes)) + b += int(Nbytes) return buf } diff --git a/nexgb/xgbgen/aligngap.go b/nexgb/xgbgen/aligngap.go new file mode 100644 index 0000000..1e07e18 --- /dev/null +++ b/nexgb/xgbgen/aligngap.go @@ -0,0 +1,130 @@ +package main + +import ( + "fmt" + "os" +) + +func (p *Protocol) AddAlignGaps() { + for i := range p.Imports { + p.Imports[i].AddAlignGaps() + } + for i := range p.Types { + switch t := p.Types[i].(type) { + case *Struct: + t.Fields = addAlignGapsToFields(t.xmlName, t.Fields) + case *Event: + t.Fields = addAlignGapsToFields(t.xmlName, t.Fields) + case *Error: + t.Fields = addAlignGapsToFields(t.xmlName, t.Fields) + } + } + for i := range p.Requests { + p.Requests[i].Fields = addAlignGapsToFields(p.Requests[i].xmlName, p.Requests[i].Fields) + if p.Requests[i].Reply != nil { + p.Requests[i].Reply.Fields = addAlignGapsToFields(p.Requests[i].xmlName, p.Requests[i].Reply.Fields) + } + } +} + +func addAlignGapsToFields(name string, fields []Field) []Field { + var i int + for i = 0; i < len(fields); i++ { + if _, ok := fields[i].(*ListField); ok { + break + } + } + if i >= len(fields) { + return fields + } + + r := make([]Field, 0, len(fields)+2) + r = append(r, fields[:i]...) + + r = append(r, fields[i]) + for i = i + 1; i < len(fields); i++ { + switch f := fields[i].(type) { + case *ListField: + // ok, add padding + sz := xcbSizeOfType(f.Type) + switch { + case sz == 1: + // nothing + case sz == 2: + r = append(r, &PadField{0, 2}) + case sz == 3: + panic(fmt.Errorf("Alignment is not a power of 2")) + case sz >= 4: + r = append(r, &PadField{0, 4}) + } + + case *LocalField: + // nothing + + default: + fmt.Fprintf(os.Stderr, "Can't add alignment gaps, mix of list and non-list fields: %s\n", name) + return fields + } + r = append(r, fields[i]) + } + + return r +} + +func xcbSizeOfField(fld Field) int { + switch f := fld.(type) { + case *PadField: + return int(f.Bytes) + + case *SingleField: + return xcbSizeOfType(f.Type) + + case *ListField: + return 0 + + case *ExprField: + return xcbSizeOfType(f.Type) + + case *ValueField: + return xcbSizeOfType(f.MaskType) + + case *SwitchField: + return 0 + + default: + return 0 + } +} + +func xcbSizeOfType(typ Type) int { + switch t := typ.(type) { + case *Resource: + return 4 + + case *TypeDef: + return t.Size().Eval() + + case *Base: + return t.Size().Eval() + + case *Struct: + sz := 0 + for i := range t.Fields { + sz += xcbSizeOfField(t.Fields[i]) + } + return sz + + case *Union: + sz := 0 + for i := range t.Fields { + csz := xcbSizeOfField(t.Fields[i]) + if csz > sz { + sz = csz + } + } + return sz + + default: + return 0 + } +} diff --git a/nexgb/xgbgen/context.go b/nexgb/xgbgen/context.go index af0f598..f64f339 100644 --- a/nexgb/xgbgen/context.go +++ b/nexgb/xgbgen/context.go @@ -50,6 +50,8 @@ func (c *Context) Morph(xmlBytes []byte) { // Translate XML types to nice types c.protocol = parsedXml.Translate(nil) + c.protocol.AddAlignGaps() + // Start with Go header. c.Putln("// Package %s is the X client API for the %s extension.", c.protocol.PkgName(), c.protocol.ExtXName) diff --git a/nexgb/xgbgen/field.go b/nexgb/xgbgen/field.go index 16760d4..bf3b3be 100644 --- a/nexgb/xgbgen/field.go +++ b/nexgb/xgbgen/field.go @@ -50,6 +50,7 @@ func (pad *PadField) Initialize(p *Protocol) {} // It is also used in size calculation. type PadField struct { Bytes uint + Align uint16 } func (p *PadField) SrcName() string { @@ -65,7 +66,11 @@ func (f *PadField) SrcType() string { } func (p *PadField) Size() Size { - return newFixedSize(p.Bytes) + if p.Align > 0 { + return newFixedSize(uint(p.Align), false) + } else { + return newFixedSize(p.Bytes, true) + } } // SingleField represents most of the fields in an XML protocol description. @@ -130,9 +135,9 @@ func (f *ListField) Length() Size { Expr: &FieldRef{ Name: f.SrcName(), }, - }) + }, true) } - return newExpressionSize(f.LengthExpr) + return newExpressionSize(f.LengthExpr, true) } // Size computes the *size* of a list (in bytes). @@ -142,8 +147,9 @@ func (f *ListField) Length() Size { // special function written in go_struct.go to compute the size (since the // size in this case can only be computed recursively). func (f *ListField) Size() Size { + elsz := f.Type.Size() simpleLen := &Padding{ - Expr: newBinaryOp("*", f.Length().Expression, f.Type.Size().Expression), + Expr: newBinaryOp("*", f.Length().Expression, elsz.Expression), } switch field := f.Type.(type) { @@ -153,18 +159,18 @@ func (f *ListField) Size() Size { Name: fmt.Sprintf("%sListSize", f.Type.SrcName()), Expr: &FieldRef{Name: f.SrcName()}, } - return newExpressionSize(sizeFun) + return newExpressionSize(sizeFun, elsz.exact) } else { - return newExpressionSize(simpleLen) + return newExpressionSize(simpleLen, elsz.exact) } case *Union: - return newExpressionSize(simpleLen) + return newExpressionSize(simpleLen, elsz.exact) case *Base: - return newExpressionSize(simpleLen) + return newExpressionSize(simpleLen, elsz.exact) case *Resource: - return newExpressionSize(simpleLen) + return newExpressionSize(simpleLen, elsz.exact) case *TypeDef: - return newExpressionSize(simpleLen) + return newExpressionSize(simpleLen, elsz.exact) default: log.Panicf("Cannot compute list size with type '%T'.", f.Type) } @@ -258,7 +264,7 @@ func (f *ValueField) Size() Size { }, }, }, - }) + }, true) return maskSize.Add(listSize) } @@ -270,7 +276,7 @@ func (f *ValueField) ListLength() Size { Name: f.MaskName, }, }, - }) + }, true) } func (f *ValueField) Initialize(p *Protocol) { @@ -303,7 +309,7 @@ func (f *SwitchField) SrcType() string { // expression that finds *which* bitcase fields are included, and sums the // sizes of those fields. func (f *SwitchField) Size() Size { - return newFixedSize(0) + return newFixedSize(0, true) } func (f *SwitchField) Initialize(p *Protocol) { diff --git a/nexgb/xgbgen/go.go b/nexgb/xgbgen/go.go index 6c680e8..ace4e00 100644 --- a/nexgb/xgbgen/go.go +++ b/nexgb/xgbgen/go.go @@ -103,15 +103,27 @@ func (td *TypeDef) Define(c *Context) { // Pad fields func (f *PadField) Define(c *Context) { - c.Putln("// padding: %d bytes", f.Bytes) + if f.Align > 0 { + c.Putln("// alignment gap to multiple of %d", f.Align) + } else { + c.Putln("// padding: %d bytes", f.Bytes) + } } func (f *PadField) Read(c *Context, prefix string) { - c.Putln("b += %s // padding", f.Size()) + if f.Align > 0 { + c.Putln("b = (b + %d) & ^%d // alignment gap", f.Align-1, f.Align-1) + } else { + c.Putln("b += %s // padding", f.Size()) + } } func (f *PadField) Write(c *Context, prefix string) { - c.Putln("b += %s // padding", f.Size()) + if f.Align > 0 { + c.Putln("b = (b + %d) & ^%d // alignment gap", f.Align-1, f.Align-1) + } else { + c.Putln("b += %s // padding", f.Size()) + } } // Local fields diff --git a/nexgb/xgbgen/go_list.go b/nexgb/xgbgen/go_list.go index fa8df69..1e85d9f 100644 --- a/nexgb/xgbgen/go_list.go +++ b/nexgb/xgbgen/go_list.go @@ -21,7 +21,6 @@ func (f *ListField) Read(c *Context, prefix string) { c.Putln("for i := 0; i < int(%s); i++ {", length) ReadSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") case *Base: length := f.LengthExpr.Reduce(prefix) if strings.ToLower(t.XmlName()) == "char" { @@ -38,7 +37,7 @@ func (f *ListField) Read(c *Context, prefix string) { c.Putln("%s%s = make([]%s, %s)", prefix, f.SrcName(), t.SrcName(), length) c.Putln("copy(%s%s[:%s], buf[b:])", prefix, f.SrcName(), length) - c.Putln("b += xgb.Pad(int(%s))", length) + c.Putln("b += int(%s)", length) } else { c.Putln("%s%s = make([]%s, %s)", prefix, f.SrcName(), t.SrcName(), length) @@ -46,7 +45,6 @@ func (f *ListField) Read(c *Context, prefix string) { ReadSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") } case *TypeDef: length := f.LengthExpr.Reduce(prefix) @@ -55,7 +53,6 @@ func (f *ListField) Read(c *Context, prefix string) { c.Putln("for i := 0; i < int(%s); i++ {", length) ReadSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") case *Union: c.Putln("%s%s = make([]%s, %s)", prefix, f.SrcName(), t.SrcName(), f.LengthExpr.Reduce(prefix)) @@ -80,18 +77,16 @@ func (f *ListField) Write(c *Context, prefix string) { WriteSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") case *Base: length := f.Length().Reduce(prefix) if t.SrcName() == "byte" { c.Putln("copy(buf[b:], %s%s[:%s])", prefix, f.SrcName(), length) - c.Putln("b += xgb.Pad(int(%s))", length) + c.Putln("b += int(%s)", length) } else { c.Putln("for i := 0; i < int(%s); i++ {", length) WriteSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") } case *TypeDef: length := f.Length().Reduce(prefix) @@ -99,7 +94,6 @@ func (f *ListField) Write(c *Context, prefix string) { WriteSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t) c.Putln("}") - c.Putln("b = xgb.Pad(b)") case *Union: c.Putln("b += %sListBytes(buf[b:], %s%s)", t.SrcName(), prefix, f.SrcName()) diff --git a/nexgb/xgbgen/go_request_reply.go b/nexgb/xgbgen/go_request_reply.go index a2c6d9c..d82e157 100644 --- a/nexgb/xgbgen/go_request_reply.go +++ b/nexgb/xgbgen/go_request_reply.go @@ -138,18 +138,32 @@ func (r *Request) ReadReply(c *Context) { } func (r *Request) WriteRequest(c *Context) { - writeSize := func() { - c.Putln("xgb.Put16(buf[b:], uint16(size / 4)) " + - "// write request size in 4-byte units") + sz := r.Size(c) + writeSize1 := func() { + if sz.exact { + c.Putln("xgb.Put16(buf[b:], uint16(size / 4)) " + + "// write request size in 4-byte units") + } else { + c.Putln("blen := b") + } c.Putln("b += 2") c.Putln("") } + writeSize2 := func() { + if sz.exact { + c.Putln("return buf") + return + } + c.Putln("b = xgb.Pad(b)") + c.Putln("xgb.Put16(buf[blen:], uint16(b / 4)) // write request size in 4-byte units") + c.Putln("return buf[:b]") + } c.Putln("// Write request to wire for %s", r.SrcName()) c.Putln("// %s writes a %s request to a byte slice.", r.ReqName(), r.SrcName()) c.Putln("func %s(c *xgb.Conn, %s) []byte {", r.ReqName(), r.ParamNameTypes()) - c.Putln("size := %s", r.Size(c)) + c.Putln("size := %s", sz) c.Putln("b := 0") c.Putln("buf := make([]byte, size)") c.Putln("") @@ -165,18 +179,18 @@ func (r *Request) WriteRequest(c *Context) { if !c.protocol.isExt() { c.Putln("b += 1 // padding") } - writeSize() + writeSize1() } else if c.protocol.isExt() { - writeSize() + writeSize1() } for i, field := range r.Fields { field.Write(c, "") c.Putln("") if i == 0 && !c.protocol.isExt() { - writeSize() + writeSize1() } } - c.Putln("return buf") + writeSize2() c.Putln("}") c.Putln("") } diff --git a/nexgb/xgbgen/go_struct.go b/nexgb/xgbgen/go_struct.go index 0f18084..ee74d90 100644 --- a/nexgb/xgbgen/go_struct.go +++ b/nexgb/xgbgen/go_struct.go @@ -78,7 +78,7 @@ func (s *Struct) Write(c *Context) { field.Write(c, "v.") c.Putln("") } - c.Putln("return buf") + c.Putln("return buf[:b]") c.Putln("}") c.Putln("") } diff --git a/nexgb/xgbgen/request_reply.go b/nexgb/xgbgen/request_reply.go index 11a4e44..ae4eccb 100644 --- a/nexgb/xgbgen/request_reply.go +++ b/nexgb/xgbgen/request_reply.go @@ -91,7 +91,7 @@ func (r *Request) CookieName() string { // If it's a core protocol request, then we only account for *three* // bytes of the header (remove the extension opcode). func (r *Request) Size(c *Context) Size { - size := newFixedSize(0) + size := newFixedSize(0, true) // If this is a core protocol request, we squeeze in an extra byte of // data (from the fields below) between the opcode and the size of the @@ -99,9 +99,9 @@ func (r *Request) Size(c *Context) Size { // by the opcode of the request (while the first byte is always occupied // by the opcode of the extension). if !c.protocol.isExt() { - size = size.Add(newFixedSize(3)) + size = size.Add(newFixedSize(3, true)) } else { - size = size.Add(newFixedSize(4)) + size = size.Add(newFixedSize(4, true)) } for _, field := range r.Fields { @@ -122,7 +122,7 @@ func (r *Request) Size(c *Context) Size { } return newExpressionSize(&Padding{ Expr: size.Expression, - }) + }, size.exact) } // Reply encapsulates the fields associated with a 'reply' element. @@ -136,10 +136,10 @@ type Reply struct { // 2 bytes: A sequence number // 4 bytes: Number of additional bytes in 4-byte units past initial 32 bytes. func (r *Reply) Size() Size { - size := newFixedSize(0) + size := newFixedSize(0, true) // Account for reply discriminant, sequence number and reply length - size = size.Add(newFixedSize(7)) + size = size.Add(newFixedSize(7, true)) for _, field := range r.Fields { size = size.Add(field.Size()) diff --git a/nexgb/xgbgen/size.go b/nexgb/xgbgen/size.go index 8836892..6e49371 100644 --- a/nexgb/xgbgen/size.go +++ b/nexgb/xgbgen/size.go @@ -7,24 +7,25 @@ package main // for adding and multiplying sizes. type Size struct { Expression + exact bool } // newFixedSize creates a new Size with some fixed and known value. -func newFixedSize(fixed uint) Size { - return Size{&Value{v: int(fixed)}} +func newFixedSize(fixed uint, exact bool) Size { + return Size{&Value{v: int(fixed)}, exact} } // newExpressionSize creates a new Size with some expression. -func newExpressionSize(variable Expression) Size { - return Size{variable} +func newExpressionSize(variable Expression, exact bool) Size { + return Size{variable, exact} } // Add adds s1 and s2 and returns a new Size. func (s1 Size) Add(s2 Size) Size { - return Size{newBinaryOp("+", s1, s2)} + return Size{newBinaryOp("+", s1, s2), s1.exact && s2.exact} } // Multiply mupltiplies s1 and s2 and returns a new Size. func (s1 Size) Multiply(s2 Size) Size { - return Size{newBinaryOp("*", s1, s2)} + return Size{newBinaryOp("*", s1, s2), s1.exact && s2.exact} } diff --git a/nexgb/xgbgen/translation.go b/nexgb/xgbgen/translation.go index b7e67e2..f595e5f 100644 --- a/nexgb/xgbgen/translation.go +++ b/nexgb/xgbgen/translation.go @@ -43,7 +43,7 @@ func (xml *XML) Translate(parent *Protocol) *Protocol { newBaseType := &Base{ srcName: srcName, xmlName: xmlName, - size: newFixedSize(BaseTypeSizes[xmlName]), + size: newFixedSize(BaseTypeSizes[xmlName], true), } protocol.Types = append(protocol.Types, newBaseType) } diff --git a/nexgb/xgbgen/type.go b/nexgb/xgbgen/type.go index ded5be2..59f1a2d 100644 --- a/nexgb/xgbgen/type.go +++ b/nexgb/xgbgen/type.go @@ -154,7 +154,7 @@ func (r *Resource) XmlName() string { } func (r *Resource) Size() Size { - return newFixedSize(BaseTypeSizes["Id"]) + return newFixedSize(BaseTypeSizes["Id"], true) } func (r *Resource) Initialize(p *Protocol) { @@ -201,7 +201,7 @@ func (e *Event) XmlName() string { } func (e *Event) Size() Size { - return newExpressionSize(&Value{v: 32}) + return newExpressionSize(&Value{v: 32}, true) } func (e *Event) Initialize(p *Protocol) { @@ -231,7 +231,7 @@ func (e *EventCopy) XmlName() string { } func (e *EventCopy) Size() Size { - return newExpressionSize(&Value{v: 32}) + return newExpressionSize(&Value{v: 32}, true) } func (e *EventCopy) Initialize(p *Protocol) { @@ -262,7 +262,7 @@ func (e *Error) XmlName() string { } func (e *Error) Size() Size { - return newExpressionSize(&Value{v: 32}) + return newExpressionSize(&Value{v: 32}, true) } func (e *Error) Initialize(p *Protocol) { @@ -296,7 +296,7 @@ func (e *ErrorCopy) XmlName() string { } func (e *ErrorCopy) Size() Size { - return newExpressionSize(&Value{v: 32}) + return newExpressionSize(&Value{v: 32}, true) } func (e *ErrorCopy) Initialize(p *Protocol) { @@ -330,7 +330,7 @@ func (s *Struct) XmlName() string { } func (s *Struct) Size() Size { - size := newFixedSize(0) + size := newFixedSize(0, true) for _, field := range s.Fields { size = size.Add(field.Size()) } diff --git a/nexgb/xinerama/xinerama.go b/nexgb/xinerama/xinerama.go index 28410c6..75c773c 100644 --- a/nexgb/xinerama/xinerama.go +++ b/nexgb/xinerama/xinerama.go @@ -90,7 +90,7 @@ func (v ScreenInfo) Bytes() []byte { xgb.Put16(buf[b:], v.Height) b += 2 - return buf + return buf[:b] } // ScreenInfoListBytes writes a list of ScreenInfo values to a byte slice. diff --git a/nexgb/xprint/xprint.go b/nexgb/xprint/xprint.go index 7a7279f..5ed49a0 100644 --- a/nexgb/xprint/xprint.go +++ b/nexgb/xprint/xprint.go @@ -336,7 +336,6 @@ func PrinterRead(buf []byte, v *Printer) int { v.Name[i] = String8(buf[b]) b += 1 } - b = xgb.Pad(b) v.DescLen = xgb.Get32(buf[b:]) b += 4 @@ -346,7 +345,6 @@ func PrinterRead(buf []byte, v *Printer) int { v.Description[i] = String8(buf[b]) b += 1 } - b = xgb.Pad(b) return b } @@ -373,7 +371,6 @@ func (v Printer) Bytes() []byte { buf[b] = byte(v.Name[i]) b += 1 } - b = xgb.Pad(b) xgb.Put32(buf[b:], v.DescLen) b += 4 @@ -382,9 +379,8 @@ func (v Printer) Bytes() []byte { buf[b] = byte(v.Description[i]) b += 1 } - b = xgb.Pad(b) - return buf + return buf[:b] } // PrinterListBytes writes a list of Printer values to a byte slice. @@ -496,13 +492,11 @@ func createContextRequest(c *xgb.Conn, ContextId uint32, PrinterNameLen uint32, buf[b] = byte(PrinterName[i]) b += 1 } - b = xgb.Pad(b) for i := 0; i < int(LocaleLen); i++ { buf[b] = byte(Locale[i]) b += 1 } - b = xgb.Pad(b) return buf } @@ -1003,7 +997,7 @@ func printGetDocumentDataReply(buf []byte) *PrintGetDocumentDataReply { v.Data = make([]byte, v.DataLen) copy(v.Data[:v.DataLen], buf[b:]) - b += xgb.Pad(int(v.DataLen)) + b += int(v.DataLen) return v } @@ -1193,7 +1187,6 @@ func printGetOneAttributesReply(buf []byte) *PrintGetOneAttributesReply { v.Value[i] = String8(buf[b]) b += 1 } - b = xgb.Pad(b) return v } @@ -1229,7 +1222,6 @@ func printGetOneAttributesRequest(c *xgb.Conn, Context Pcontext, NameLen uint32, buf[b] = byte(Name[i]) b += 1 } - b = xgb.Pad(b) return buf } @@ -1441,13 +1433,11 @@ func printGetPrinterListRequest(c *xgb.Conn, PrinterNameLen uint32, LocaleLen ui buf[b] = byte(PrinterName[i]) b += 1 } - b = xgb.Pad(b) for i := 0; i < int(LocaleLen); i++ { buf[b] = byte(Locale[i]) b += 1 } - b = xgb.Pad(b) return buf } @@ -1707,19 +1697,17 @@ func printPutDocumentDataRequest(c *xgb.Conn, Drawable xproto.Drawable, LenData b += 2 copy(buf[b:], Data[:LenData]) - b += xgb.Pad(int(LenData)) + b += int(LenData) for i := 0; i < int(len(DocFormat)); i++ { buf[b] = byte(DocFormat[i]) b += 1 } - b = xgb.Pad(b) for i := 0; i < int(len(Options)); i++ { buf[b] = byte(Options[i]) b += 1 } - b = xgb.Pad(b) return buf } @@ -1796,7 +1784,6 @@ func printQueryScreensReply(buf []byte) *PrintQueryScreensReply { v.Roots[i] = xproto.Window(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -2091,7 +2078,6 @@ func printSetAttributesRequest(c *xgb.Conn, Context Pcontext, StringLen uint32, buf[b] = byte(Attributes[i]) b += 1 } - b = xgb.Pad(b) return buf } diff --git a/nexgb/xproto/xproto.go b/nexgb/xproto/xproto.go index 36ab545..728f85f 100644 --- a/nexgb/xproto/xproto.go +++ b/nexgb/xproto/xproto.go @@ -179,7 +179,7 @@ func (v Arc) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.Angle2)) b += 2 - return buf + return buf[:b] } // ArcListBytes writes a list of Arc values to a byte slice. @@ -603,7 +603,7 @@ func (v Char2b) Bytes() []byte { buf[b] = v.Byte2 b += 1 - return buf + return buf[:b] } // Char2bListBytes writes a list of Char2b values to a byte slice. @@ -685,7 +685,7 @@ func (v Charinfo) Bytes() []byte { xgb.Put16(buf[b:], v.Attributes) b += 2 - return buf + return buf[:b] } // CharinfoListBytes writes a list of Charinfo values to a byte slice. @@ -932,7 +932,7 @@ func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion { buf := make([]byte, 20) copy(buf[b:], Data8[:20]) - b += xgb.Pad(int(20)) + b += int(20) // Create the Union type v := ClientMessageDataUnion{} @@ -942,7 +942,7 @@ func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion { b = 0 // always read the same bytes v.Data8 = make([]byte, 20) copy(v.Data8[:20], buf[b:]) - b += xgb.Pad(int(20)) + b += int(20) b = 0 // always read the same bytes v.Data16 = make([]uint16, 10) @@ -950,7 +950,6 @@ func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion { v.Data16[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) b = 0 // always read the same bytes v.Data32 = make([]uint32, 5) @@ -958,7 +957,6 @@ func ClientMessageDataUnionData8New(Data8 []byte) ClientMessageDataUnion { v.Data32[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -972,7 +970,6 @@ func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion { xgb.Put16(buf[b:], Data16[i]) b += 2 } - b = xgb.Pad(b) // Create the Union type v := ClientMessageDataUnion{} @@ -982,7 +979,7 @@ func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion { b = 0 // always read the same bytes v.Data8 = make([]byte, 20) copy(v.Data8[:20], buf[b:]) - b += xgb.Pad(int(20)) + b += int(20) b = 0 // always read the same bytes v.Data16 = make([]uint16, 10) @@ -990,7 +987,6 @@ func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion { v.Data16[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) b = 0 // always read the same bytes v.Data32 = make([]uint32, 5) @@ -998,7 +994,6 @@ func ClientMessageDataUnionData16New(Data16 []uint16) ClientMessageDataUnion { v.Data32[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -1012,7 +1007,6 @@ func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion { xgb.Put32(buf[b:], Data32[i]) b += 4 } - b = xgb.Pad(b) // Create the Union type v := ClientMessageDataUnion{} @@ -1022,7 +1016,7 @@ func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion { b = 0 // always read the same bytes v.Data8 = make([]byte, 20) copy(v.Data8[:20], buf[b:]) - b += xgb.Pad(int(20)) + b += int(20) b = 0 // always read the same bytes v.Data16 = make([]uint16, 10) @@ -1030,7 +1024,6 @@ func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion { v.Data16[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) b = 0 // always read the same bytes v.Data32 = make([]uint32, 5) @@ -1038,7 +1031,6 @@ func ClientMessageDataUnionData32New(Data32 []uint32) ClientMessageDataUnion { v.Data32[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -1050,7 +1042,7 @@ func ClientMessageDataUnionRead(buf []byte, v *ClientMessageDataUnion) int { b = 0 // re-read the same bytes v.Data8 = make([]byte, 20) copy(v.Data8[:20], buf[b:]) - b += xgb.Pad(int(20)) + b += int(20) b = 0 // re-read the same bytes v.Data16 = make([]uint16, 10) @@ -1058,7 +1050,6 @@ func ClientMessageDataUnionRead(buf []byte, v *ClientMessageDataUnion) int { v.Data16[i] = xgb.Get16(buf[b:]) b += 2 } - b = xgb.Pad(b) b = 0 // re-read the same bytes v.Data32 = make([]uint32, 5) @@ -1066,7 +1057,6 @@ func ClientMessageDataUnionRead(buf []byte, v *ClientMessageDataUnion) int { v.Data32[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return 20 } @@ -1089,7 +1079,7 @@ func (v ClientMessageDataUnion) Bytes() []byte { b := 0 copy(buf[b:], v.Data8[:20]) - b += xgb.Pad(int(20)) + b += int(20) return buf } @@ -1189,7 +1179,7 @@ func (v Coloritem) Bytes() []byte { b += 1 // padding - return buf + return buf[:b] } // ColoritemListBytes writes a list of Coloritem values to a byte slice. @@ -1908,7 +1898,7 @@ func (v DepthInfo) Bytes() []byte { b += VisualInfoListBytes(buf[b:], v.Visuals) - return buf + return buf[:b] } // DepthInfoListBytes writes a list of DepthInfo values to a byte slice. @@ -2580,7 +2570,7 @@ func (v Fontprop) Bytes() []byte { xgb.Put32(buf[b:], v.Value) b += 4 - return buf + return buf[:b] } // FontpropListBytes writes a list of Fontprop values to a byte slice. @@ -2646,7 +2636,7 @@ func (v Format) Bytes() []byte { b += 5 // padding - return buf + return buf[:b] } // FormatListBytes writes a list of Format values to a byte slice. @@ -3072,7 +3062,7 @@ func HostRead(buf []byte, v *Host) int { v.Address = make([]byte, v.AddressLen) copy(v.Address[:v.AddressLen], buf[b:]) - b += xgb.Pad(int(v.AddressLen)) + b += int(v.AddressLen) return b } @@ -3101,9 +3091,9 @@ func (v Host) Bytes() []byte { b += 2 copy(buf[b:], v.Address[:v.AddressLen]) - b += xgb.Pad(int(v.AddressLen)) + b += int(v.AddressLen) - return buf + return buf[:b] } // HostListBytes writes a list of Host values to a byte slice. @@ -3469,7 +3459,7 @@ func KeymapNotifyEventNew(buf []byte) xgb.Event { v.Keys = make([]byte, 31) copy(v.Keys[:31], buf[b:]) - b += xgb.Pad(int(31)) + b += int(31) return v } @@ -3484,7 +3474,7 @@ func (v KeymapNotifyEvent) Bytes() []byte { b += 1 copy(buf[b:], v.Keys[:31]) - b += xgb.Pad(int(31)) + b += int(31) return buf } @@ -4323,7 +4313,7 @@ func (v Point) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.Y)) b += 2 - return buf + return buf[:b] } // PointListBytes writes a list of Point values to a byte slice. @@ -4506,7 +4496,7 @@ func (v Rectangle) Bytes() []byte { xgb.Put16(buf[b:], v.Height) b += 2 - return buf + return buf[:b] } // RectangleListBytes writes a list of Rectangle values to a byte slice. @@ -4831,7 +4821,7 @@ func (v Rgb) Bytes() []byte { b += 2 // padding - return buf + return buf[:b] } // RgbListBytes writes a list of Rgb values to a byte slice. @@ -4997,7 +4987,7 @@ func (v ScreenInfo) Bytes() []byte { b += DepthInfoListBytes(buf[b:], v.AllowedDepths) - return buf + return buf[:b] } // ScreenInfoListBytes writes a list of ScreenInfo values to a byte slice. @@ -5079,7 +5069,7 @@ func (v Segment) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.Y2)) b += 2 - return buf + return buf[:b] } // SegmentListBytes writes a list of Segment values to a byte slice. @@ -5434,9 +5424,9 @@ func (v SetupAuthenticate) Bytes() []byte { b += 2 copy(buf[b:], v.Reason[:(int(v.Length)*4)]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) - return buf + return buf[:b] } // SetupAuthenticateListBytes writes a list of SetupAuthenticate values to a byte slice. @@ -5529,9 +5519,9 @@ func (v SetupFailed) Bytes() []byte { b += 2 copy(buf[b:], v.Reason[:v.ReasonLen]) - b += xgb.Pad(int(v.ReasonLen)) + b += int(v.ReasonLen) - return buf + return buf[:b] } // SetupFailedListBytes writes a list of SetupFailed values to a byte slice. @@ -5576,9 +5566,11 @@ type SetupInfo struct { MinKeycode Keycode MaxKeycode Keycode // padding: 4 bytes - Vendor string // size: xgb.Pad((int(VendorLen) * 1)) - PixmapFormats []Format // size: xgb.Pad((int(PixmapFormatsLen) * 8)) - Roots []ScreenInfo // size: ScreenInfoListSize(Roots) + Vendor string // size: xgb.Pad((int(VendorLen) * 1)) + // alignment gap to multiple of 4 + PixmapFormats []Format // size: xgb.Pad((int(PixmapFormatsLen) * 8)) + // alignment gap to multiple of 4 + Roots []ScreenInfo // size: ScreenInfoListSize(Roots) } // SetupInfoRead reads a byte slice into a SetupInfo value. @@ -5650,9 +5642,13 @@ func SetupInfoRead(buf []byte, v *SetupInfo) int { b += int(v.VendorLen) } + b = (b + 3) & ^3 // alignment gap + v.PixmapFormats = make([]Format, v.PixmapFormatsLen) b += FormatReadList(buf[b:], v.PixmapFormats) + b = (b + 3) & ^3 // alignment gap + v.Roots = make([]ScreenInfo, v.RootsLen) b += ScreenInfoReadList(buf[b:], v.Roots) @@ -5671,7 +5667,7 @@ func SetupInfoReadList(buf []byte, dest []SetupInfo) int { // Bytes writes a SetupInfo value to a byte slice. func (v SetupInfo) Bytes() []byte { - buf := make([]byte, (((40 + xgb.Pad((int(v.VendorLen) * 1))) + xgb.Pad((int(v.PixmapFormatsLen) * 8))) + ScreenInfoListSize(v.Roots))) + buf := make([]byte, (((((40 + xgb.Pad((int(v.VendorLen) * 1))) + 4) + xgb.Pad((int(v.PixmapFormatsLen) * 8))) + 4) + ScreenInfoListSize(v.Roots))) b := 0 buf[b] = v.Status @@ -5733,13 +5729,17 @@ func (v SetupInfo) Bytes() []byte { b += 4 // padding copy(buf[b:], v.Vendor[:v.VendorLen]) - b += xgb.Pad(int(v.VendorLen)) + b += int(v.VendorLen) + + b = (b + 3) & ^3 // alignment gap b += FormatListBytes(buf[b:], v.PixmapFormats) + b = (b + 3) & ^3 // alignment gap + b += ScreenInfoListBytes(buf[b:], v.Roots) - return buf + return buf[:b] } // SetupInfoListBytes writes a list of SetupInfo values to a byte slice. @@ -5758,7 +5758,7 @@ func SetupInfoListBytes(buf []byte, list []SetupInfo) int { func SetupInfoListSize(list []SetupInfo) int { size := 0 for _, item := range list { - size += (((40 + xgb.Pad((int(item.VendorLen) * 1))) + xgb.Pad((int(item.PixmapFormatsLen) * 8))) + ScreenInfoListSize(item.Roots)) + size += (((((40 + xgb.Pad((int(item.VendorLen) * 1))) + 4) + xgb.Pad((int(item.PixmapFormatsLen) * 8))) + 4) + ScreenInfoListSize(item.Roots)) } return size } @@ -5850,12 +5850,12 @@ func (v SetupRequest) Bytes() []byte { b += 2 // padding copy(buf[b:], v.AuthorizationProtocolName[:v.AuthorizationProtocolNameLen]) - b += xgb.Pad(int(v.AuthorizationProtocolNameLen)) + b += int(v.AuthorizationProtocolNameLen) copy(buf[b:], v.AuthorizationProtocolData[:v.AuthorizationProtocolDataLen]) - b += xgb.Pad(int(v.AuthorizationProtocolDataLen)) + b += int(v.AuthorizationProtocolDataLen) - return buf + return buf[:b] } // SetupRequestListBytes writes a list of SetupRequest values to a byte slice. @@ -5928,9 +5928,9 @@ func (v Str) Bytes() []byte { b += 1 copy(buf[b:], v.Name[:v.NameLen]) - b += xgb.Pad(int(v.NameLen)) + b += int(v.NameLen) - return buf + return buf[:b] } // StrListBytes writes a list of Str values to a byte slice. @@ -6009,7 +6009,7 @@ func (v Timecoord) Bytes() []byte { xgb.Put16(buf[b:], uint16(v.Y)) b += 2 - return buf + return buf[:b] } // TimecoordListBytes writes a list of Timecoord values to a byte slice. @@ -6352,7 +6352,7 @@ func (v VisualInfo) Bytes() []byte { b += 4 // padding - return buf + return buf[:b] } // VisualInfoListBytes writes a list of VisualInfo values to a byte slice. @@ -6588,7 +6588,8 @@ type AllocColorCellsReply struct { MasksLen uint16 // padding: 20 bytes Pixels []uint32 // size: xgb.Pad((int(PixelsLen) * 4)) - Masks []uint32 // size: xgb.Pad((int(MasksLen) * 4)) + // alignment gap to multiple of 4 + Masks []uint32 // size: xgb.Pad((int(MasksLen) * 4)) } // Reply blocks and returns the reply data for a AllocColorCells request. @@ -6629,14 +6630,14 @@ func allocColorCellsReply(buf []byte) *AllocColorCellsReply { v.Pixels[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Masks = make([]uint32, v.MasksLen) for i := 0; i < int(v.MasksLen); i++ { v.Masks[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -6754,7 +6755,6 @@ func allocColorPlanesReply(buf []byte) *AllocColorPlanesReply { v.Pixels[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -6905,7 +6905,7 @@ func allocNamedColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name str b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } @@ -7169,7 +7169,7 @@ func changeHostsRequest(c *xgb.Conn, Mode byte, Family byte, AddressLen uint16, b += 2 copy(buf[b:], Address[:AddressLen]) - b += xgb.Pad(int(AddressLen)) + b += int(AddressLen) return buf } @@ -7282,7 +7282,6 @@ func changeKeyboardMappingRequest(c *xgb.Conn, KeycodeCount byte, FirstKeycode K xgb.Put32(buf[b:], uint32(Keysyms[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -7416,7 +7415,7 @@ func changePropertyRequest(c *xgb.Conn, Mode byte, Window Window, Property Atom, b += 4 copy(buf[b:], Data[:((int(DataLen)*int(Format))/8)]) - b += xgb.Pad(int(((int(DataLen) * int(Format)) / 8))) + b += int(((int(DataLen) * int(Format)) / 8)) return buf } @@ -8822,7 +8821,6 @@ func freeColorsRequest(c *xgb.Conn, Cmap Colormap, PlaneMask uint32, Pixels []ui xgb.Put32(buf[b:], Pixels[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -9316,7 +9314,7 @@ func getImageReply(buf []byte) *GetImageReply { v.Data = make([]byte, (int(v.Length) * 4)) copy(v.Data[:(int(v.Length)*4)], buf[b:]) - b += xgb.Pad(int((int(v.Length) * 4))) + b += int((int(v.Length) * 4)) return v } @@ -9516,7 +9514,7 @@ func getKeyboardControlReply(buf []byte) *GetKeyboardControlReply { v.AutoRepeats = make([]byte, 32) copy(v.AutoRepeats[:32], buf[b:]) - b += xgb.Pad(int(32)) + b += int(32) return v } @@ -9601,7 +9599,6 @@ func getKeyboardMappingReply(buf []byte) *GetKeyboardMappingReply { v.Keysyms[i] = Keysym(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -9693,7 +9690,6 @@ func getModifierMappingReply(buf []byte) *GetModifierMappingReply { v.Keycodes[i] = Keycode(buf[b]) b += 1 } - b = xgb.Pad(b) return v } @@ -9957,7 +9953,7 @@ func getPointerMappingReply(buf []byte) *GetPointerMappingReply { v.Map = make([]byte, v.MapLen) copy(v.Map[:v.MapLen], buf[b:]) - b += xgb.Pad(int(v.MapLen)) + b += int(v.MapLen) return v } @@ -10051,7 +10047,7 @@ func getPropertyReply(buf []byte) *GetPropertyReply { v.Value = make([]byte, (int(v.ValueLen) * (int(v.Format) / 8))) copy(v.Value[:(int(v.ValueLen)*(int(v.Format)/8))], buf[b:]) - b += xgb.Pad(int((int(v.ValueLen) * (int(v.Format) / 8)))) + b += int((int(v.ValueLen) * (int(v.Format) / 8))) return v } @@ -10914,7 +10910,7 @@ func imageText8Request(c *xgb.Conn, StringLen byte, Drawable Drawable, Gc Gconte b += 2 copy(buf[b:], String[:StringLen]) - b += xgb.Pad(int(StringLen)) + b += int(StringLen) return buf } @@ -11053,7 +11049,7 @@ func internAtomRequest(c *xgb.Conn, OnlyIfExists bool, NameLen uint16, Name stri b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } @@ -11276,7 +11272,7 @@ func listFontsRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, Pattern s b += 2 copy(buf[b:], Pattern[:PatternLen]) - b += xgb.Pad(int(PatternLen)) + b += int(PatternLen) return buf } @@ -11434,7 +11430,7 @@ func listFontsWithInfoRequest(c *xgb.Conn, MaxNames uint16, PatternLen uint16, P b += 2 copy(buf[b:], Pattern[:PatternLen]) - b += xgb.Pad(int(PatternLen)) + b += int(PatternLen) return buf } @@ -11590,7 +11586,6 @@ func listInstalledColormapsReply(buf []byte) *ListInstalledColormapsReply { v.Cmaps[i] = Colormap(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -11682,7 +11677,6 @@ func listPropertiesReply(buf []byte) *ListPropertiesReply { v.Atoms[i] = Atom(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -11812,7 +11806,7 @@ func lookupColorRequest(c *xgb.Conn, Cmap Colormap, NameLen uint16, Name string) b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } @@ -12008,7 +12002,7 @@ func openFontRequest(c *xgb.Conn, Fid Font, NameLen uint16, Name string) []byte b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } @@ -12441,7 +12435,7 @@ func polyText16Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y i b += 2 copy(buf[b:], Items[:len(Items)]) - b += xgb.Pad(int(len(Items))) + b += int(len(Items)) return buf } @@ -12501,7 +12495,7 @@ func polyText8Request(c *xgb.Conn, Drawable Drawable, Gc Gcontext, X int16, Y in b += 2 copy(buf[b:], Items[:len(Items)]) - b += xgb.Pad(int(len(Items))) + b += int(len(Items)) return buf } @@ -12576,7 +12570,7 @@ func putImageRequest(c *xgb.Conn, Format byte, Drawable Drawable, Gc Gcontext, W b += 2 // padding copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) return buf } @@ -12762,7 +12756,6 @@ func queryColorsRequest(c *xgb.Conn, Cmap Colormap, Pixels []uint32) []byte { xgb.Put32(buf[b:], Pixels[i]) b += 4 } - b = xgb.Pad(b) return buf } @@ -12864,7 +12857,7 @@ func queryExtensionRequest(c *xgb.Conn, NameLen uint16, Name string) []byte { b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } @@ -12911,7 +12904,8 @@ type QueryFontReply struct { FontDescent int16 CharInfosLen uint32 Properties []Fontprop // size: xgb.Pad((int(PropertiesLen) * 8)) - CharInfos []Charinfo // size: xgb.Pad((int(CharInfosLen) * 12)) + // alignment gap to multiple of 4 + CharInfos []Charinfo // size: xgb.Pad((int(CharInfosLen) * 12)) } // Reply blocks and returns the reply data for a QueryFont request. @@ -12989,6 +12983,8 @@ func queryFontReply(buf []byte) *QueryFontReply { v.Properties = make([]Fontprop, v.PropertiesLen) b += FontpropReadList(buf[b:], v.Properties) + b = (b + 3) & ^3 // alignment gap + v.CharInfos = make([]Charinfo, v.CharInfosLen) b += CharinfoReadList(buf[b:], v.CharInfos) @@ -13072,7 +13068,7 @@ func queryKeymapReply(buf []byte) *QueryKeymapReply { v.Keys = make([]byte, 32) copy(v.Keys[:32], buf[b:]) - b += xgb.Pad(int(32)) + b += int(32) return v } @@ -13392,7 +13388,6 @@ func queryTreeReply(buf []byte) *QueryTreeReply { v.Children[i] = Window(xgb.Get32(buf[b:])) b += 4 } - b = xgb.Pad(b) return v } @@ -13596,7 +13591,6 @@ func rotatePropertiesRequest(c *xgb.Conn, Window Window, AtomsLen uint16, Delta xgb.Put32(buf[b:], uint32(Atoms[i])) b += 4 } - b = xgb.Pad(b) return buf } @@ -13655,7 +13649,7 @@ func sendEventRequest(c *xgb.Conn, Propagate bool, Destination Window, EventMask b += 4 copy(buf[b:], Event[:32]) - b += xgb.Pad(int(32)) + b += int(32) return buf } @@ -13861,7 +13855,7 @@ func setDashesRequest(c *xgb.Conn, Gc Gcontext, DashOffset uint16, DashesLen uin b += 2 copy(buf[b:], Dashes[:DashesLen]) - b += xgb.Pad(int(DashesLen)) + b += int(DashesLen) return buf } @@ -14047,7 +14041,6 @@ func setModifierMappingRequest(c *xgb.Conn, KeycodesPerModifier byte, Keycodes [ buf[b] = byte(Keycodes[i]) b += 1 } - b = xgb.Pad(b) return buf } @@ -14126,7 +14119,7 @@ func setPointerMappingRequest(c *xgb.Conn, MapLen byte, Map []byte) []byte { b += 2 copy(buf[b:], Map[:MapLen]) - b += xgb.Pad(int(MapLen)) + b += int(MapLen) return buf } @@ -14347,7 +14340,7 @@ func storeNamedColorRequest(c *xgb.Conn, Flags byte, Cmap Colormap, Pixel uint32 b += 2 // padding copy(buf[b:], Name[:NameLen]) - b += xgb.Pad(int(NameLen)) + b += int(NameLen) return buf } diff --git a/nexgb/xproto/xproto_test.go b/nexgb/xproto/xproto_test.go index 44d3285..a5bec71 100644 --- a/nexgb/xproto/xproto_test.go +++ b/nexgb/xproto/xproto_test.go @@ -204,6 +204,23 @@ func TestWindowEvents(t *testing.T) { } } +// Calls GetFontPath function, Issue #12 +func TestGetFontPath(t *testing.T) { + fontPathReply, err := GetFontPath(X).Reply() + if err != nil { + t.Fatalf("GetFontPath: %v", err) + } + _ = fontPathReply +} + +func TestListFonts(t *testing.T) { + listFontsReply, err := ListFonts(X, 10, 1, "*").Reply() + if err != nil { + t.Fatalf("ListFonts: %v", err) + } + _ = listFontsReply +} + /******************************************************************************/ // Benchmarks /******************************************************************************/ diff --git a/nexgb/xselinux/xselinux.go b/nexgb/xselinux/xselinux.go index a4cd35e..87d8f98 100644 --- a/nexgb/xselinux/xselinux.go +++ b/nexgb/xselinux/xselinux.go @@ -100,12 +100,12 @@ func (v ListItem) Bytes() []byte { b += 4 copy(buf[b:], v.ObjectContext[:v.ObjectContextLen]) - b += xgb.Pad(int(v.ObjectContextLen)) + b += int(v.ObjectContextLen) copy(buf[b:], v.DataContext[:v.DataContextLen]) - b += xgb.Pad(int(v.DataContextLen)) + b += int(v.DataContextLen) - return buf + return buf[:b] } // ListItemListBytes writes a list of ListItem values to a byte slice. @@ -1766,7 +1766,7 @@ func setDeviceContextRequest(c *xgb.Conn, Device uint32, ContextLen uint32, Cont b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -1824,7 +1824,7 @@ func setDeviceCreateContextRequest(c *xgb.Conn, ContextLen uint32, Context strin b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -1882,7 +1882,7 @@ func setPropertyCreateContextRequest(c *xgb.Conn, ContextLen uint32, Context str b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -1940,7 +1940,7 @@ func setPropertyUseContextRequest(c *xgb.Conn, ContextLen uint32, Context string b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -1998,7 +1998,7 @@ func setSelectionCreateContextRequest(c *xgb.Conn, ContextLen uint32, Context st b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -2056,7 +2056,7 @@ func setSelectionUseContextRequest(c *xgb.Conn, ContextLen uint32, Context strin b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } @@ -2114,7 +2114,7 @@ func setWindowCreateContextRequest(c *xgb.Conn, ContextLen uint32, Context strin b += 4 copy(buf[b:], Context[:ContextLen]) - b += xgb.Pad(int(ContextLen)) + b += int(ContextLen) return buf } diff --git a/nexgb/xv/xv.go b/nexgb/xv/xv.go index ec87d02..1c406b0 100644 --- a/nexgb/xv/xv.go +++ b/nexgb/xv/xv.go @@ -45,7 +45,8 @@ type AdaptorInfo struct { NumFormats uint16 Type byte // padding: 1 bytes - Name string // size: xgb.Pad((int(NameSize) * 1)) + Name string // size: xgb.Pad((int(NameSize) * 1)) + // alignment gap to multiple of 4 Formats []Format // size: xgb.Pad((int(NumFormats) * 8)) } @@ -77,6 +78,8 @@ func AdaptorInfoRead(buf []byte, v *AdaptorInfo) int { b += int(v.NameSize) } + b = (b + 3) & ^3 // alignment gap + v.Formats = make([]Format, v.NumFormats) b += FormatReadList(buf[b:], v.Formats) @@ -95,7 +98,7 @@ func AdaptorInfoReadList(buf []byte, dest []AdaptorInfo) int { // Bytes writes a AdaptorInfo value to a byte slice. func (v AdaptorInfo) Bytes() []byte { - buf := make([]byte, ((12 + xgb.Pad((int(v.NameSize) * 1))) + xgb.Pad((int(v.NumFormats) * 8)))) + buf := make([]byte, (((12 + xgb.Pad((int(v.NameSize) * 1))) + 4) + xgb.Pad((int(v.NumFormats) * 8)))) b := 0 xgb.Put32(buf[b:], uint32(v.BaseId)) @@ -116,11 +119,13 @@ func (v AdaptorInfo) Bytes() []byte { b += 1 // padding copy(buf[b:], v.Name[:v.NameSize]) - b += xgb.Pad(int(v.NameSize)) + b += int(v.NameSize) + + b = (b + 3) & ^3 // alignment gap b += FormatListBytes(buf[b:], v.Formats) - return buf + return buf[:b] } // AdaptorInfoListBytes writes a list of AdaptorInfo values to a byte slice. @@ -139,7 +144,7 @@ func AdaptorInfoListBytes(buf []byte, list []AdaptorInfo) int { func AdaptorInfoListSize(list []AdaptorInfo) int { size := 0 for _, item := range list { - size += ((12 + xgb.Pad((int(item.NameSize) * 1))) + xgb.Pad((int(item.NumFormats) * 8))) + size += (((12 + xgb.Pad((int(item.NameSize) * 1))) + 4) + xgb.Pad((int(item.NumFormats) * 8))) } return size } @@ -211,9 +216,9 @@ func (v AttributeInfo) Bytes() []byte { b += 4 copy(buf[b:], v.Name[:v.Size]) - b += xgb.Pad(int(v.Size)) + b += int(v.Size) - return buf + return buf[:b] } // AttributeInfoListBytes writes a list of AttributeInfo values to a byte slice. @@ -462,9 +467,9 @@ func (v EncodingInfo) Bytes() []byte { } copy(buf[b:], v.Name[:v.NameSize]) - b += xgb.Pad(int(v.NameSize)) + b += int(v.NameSize) - return buf + return buf[:b] } // EncodingInfoListBytes writes a list of EncodingInfo values to a byte slice. @@ -532,7 +537,7 @@ func (v Format) Bytes() []byte { b += 3 // padding - return buf + return buf[:b] } // FormatListBytes writes a list of Format values to a byte slice. @@ -563,8 +568,9 @@ type Image struct { DataSize uint32 NumPlanes uint32 Pitches []uint32 // size: xgb.Pad((int(NumPlanes) * 4)) - Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4)) - Data []byte // size: xgb.Pad((int(DataSize) * 1)) + // alignment gap to multiple of 4 + Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4)) + Data []byte // size: xgb.Pad((int(DataSize) * 1)) } // ImageRead reads a byte slice into a Image value. @@ -591,18 +597,18 @@ func ImageRead(buf []byte, v *Image) int { v.Pitches[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Offsets = make([]uint32, v.NumPlanes) for i := 0; i < int(v.NumPlanes); i++ { v.Offsets[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) v.Data = make([]byte, v.DataSize) copy(v.Data[:v.DataSize], buf[b:]) - b += xgb.Pad(int(v.DataSize)) + b += int(v.DataSize) return b } @@ -619,7 +625,7 @@ func ImageReadList(buf []byte, dest []Image) int { // Bytes writes a Image value to a byte slice. func (v Image) Bytes() []byte { - buf := make([]byte, (((16 + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.DataSize) * 1)))) + buf := make([]byte, ((((16 + xgb.Pad((int(v.NumPlanes) * 4))) + 4) + xgb.Pad((int(v.NumPlanes) * 4))) + xgb.Pad((int(v.DataSize) * 1)))) b := 0 xgb.Put32(buf[b:], v.Id) @@ -641,18 +647,18 @@ func (v Image) Bytes() []byte { xgb.Put32(buf[b:], v.Pitches[i]) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap for i := 0; i < int(v.NumPlanes); i++ { xgb.Put32(buf[b:], v.Offsets[i]) b += 4 } - b = xgb.Pad(b) copy(buf[b:], v.Data[:v.DataSize]) - b += xgb.Pad(int(v.DataSize)) + b += int(v.DataSize) - return buf + return buf[:b] } // ImageListBytes writes a list of Image values to a byte slice. @@ -671,7 +677,7 @@ func ImageListBytes(buf []byte, list []Image) int { func ImageListSize(list []Image) int { size := 0 for _, item := range list { - size += (((16 + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.DataSize) * 1))) + size += ((((16 + xgb.Pad((int(item.NumPlanes) * 4))) + 4) + xgb.Pad((int(item.NumPlanes) * 4))) + xgb.Pad((int(item.DataSize) * 1))) } return size } @@ -723,7 +729,7 @@ func ImageFormatInfoRead(buf []byte, v *ImageFormatInfo) int { v.Guid = make([]byte, 16) copy(v.Guid[:16], buf[b:]) - b += xgb.Pad(int(16)) + b += int(16) v.Bpp = buf[b] b += 1 @@ -781,7 +787,7 @@ func ImageFormatInfoRead(buf []byte, v *ImageFormatInfo) int { v.VcompOrder = make([]byte, 32) copy(v.VcompOrder[:32], buf[b:]) - b += xgb.Pad(int(32)) + b += int(32) v.VscanlineOrder = buf[b] b += 1 @@ -818,7 +824,7 @@ func (v ImageFormatInfo) Bytes() []byte { b += 2 // padding copy(buf[b:], v.Guid[:16]) - b += xgb.Pad(int(16)) + b += int(16) buf[b] = v.Bpp b += 1 @@ -875,14 +881,14 @@ func (v ImageFormatInfo) Bytes() []byte { b += 4 copy(buf[b:], v.VcompOrder[:32]) - b += xgb.Pad(int(32)) + b += int(32) buf[b] = v.VscanlineOrder b += 1 b += 11 // padding - return buf + return buf[:b] } // ImageFormatInfoListBytes writes a list of ImageFormatInfo values to a byte slice. @@ -1052,7 +1058,7 @@ func (v Rational) Bytes() []byte { xgb.Put32(buf[b:], uint32(v.Denominator)) b += 4 - return buf + return buf[:b] } // RationalListBytes writes a list of Rational values to a byte slice. @@ -1730,7 +1736,7 @@ func putImageRequest(c *xgb.Conn, Port Port, Drawable xproto.Drawable, Gc xproto b += 2 copy(buf[b:], Data[:len(Data)]) - b += xgb.Pad(int(len(Data))) + b += int(len(Data)) return buf } @@ -2335,6 +2341,7 @@ type QueryImageAttributesReply struct { Height uint16 // padding: 12 bytes Pitches []uint32 // size: xgb.Pad((int(NumPlanes) * 4)) + // alignment gap to multiple of 4 Offsets []uint32 // size: xgb.Pad((int(NumPlanes) * 4)) } @@ -2382,14 +2389,14 @@ func queryImageAttributesReply(buf []byte) *QueryImageAttributesReply { v.Pitches[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) + + b = (b + 3) & ^3 // alignment gap v.Offsets = make([]uint32, v.NumPlanes) for i := 0; i < int(v.NumPlanes); i++ { v.Offsets[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } diff --git a/nexgb/xvmc/xvmc.go b/nexgb/xvmc/xvmc.go index cd82b33..a574a21 100644 --- a/nexgb/xvmc/xvmc.go +++ b/nexgb/xvmc/xvmc.go @@ -156,7 +156,7 @@ func (v SurfaceInfo) Bytes() []byte { xgb.Put32(buf[b:], v.Flags) b += 4 - return buf + return buf[:b] } // SurfaceInfoListBytes writes a list of SurfaceInfo values to a byte slice. @@ -275,7 +275,6 @@ func createContextReply(buf []byte) *CreateContextReply { v.PrivData[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -397,7 +396,7 @@ func createSubpictureReply(buf []byte) *CreateSubpictureReply { v.ComponentOrder = make([]byte, 4) copy(v.ComponentOrder[:4], buf[b:]) - b += xgb.Pad(int(4)) + b += int(4) b += 12 // padding @@ -406,7 +405,6 @@ func createSubpictureReply(buf []byte) *CreateSubpictureReply { v.PrivData[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v } @@ -513,7 +511,6 @@ func createSurfaceReply(buf []byte) *CreateSurfaceReply { v.PrivData[i] = xgb.Get32(buf[b:]) b += 4 } - b = xgb.Pad(b) return v }