Add clang-format configuration, clean up
This commit is contained in:
parent
a3de2c367e
commit
aa2f951ff4
GPG Key ID:
A0420B94F92B9493
10
.clang-format
Normal file
10
.clang-format
Normal file
@ -0,0 +1,10 @@
|
||||
BasedOnStyle: LLVM
|
||||
ColumnLimit: 80
|
||||
IndentWidth: 4
|
||||
TabWidth: 4
|
||||
UseTab: ForContinuationAndIndentation
|
||||
SpaceAfterCStyleCast: true
|
||||
AlignAfterOpenBracket: DontAlign
|
||||
AlignOperands: DontAlign
|
||||
AlignConsecutiveMacros: Consecutive
|
||||
Cpp11BracedListStyle: false
|
||||
142
termtest.c
142
termtest.c
@ -17,17 +17,17 @@
|
||||
|
||||
// NOTE: We don't need to and will not free any memory. This is intentional.
|
||||
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <unistd.h>
|
||||
#include <poll.h>
|
||||
#include <termios.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <glob.h>
|
||||
#include <poll.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <termios.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <curses.h>
|
||||
#include <term.h>
|
||||
@ -65,7 +65,7 @@ static bool tty_cbreak() {
|
||||
return false;
|
||||
|
||||
if (tcgetattr(STDIN_FILENO, &buf) < 0 || (buf.c_lflag & (ECHO | ICANON)) ||
|
||||
buf.c_cc[VMIN] != 1 || buf.c_cc[VTIME] != 0) {
|
||||
buf.c_cc[VMIN] != 1 || buf.c_cc[VTIME] != 0) {
|
||||
tcsetattr(STDIN_FILENO, TCSAFLUSH, &saved_termios);
|
||||
return false;
|
||||
}
|
||||
@ -76,17 +76,25 @@ static bool tty_cbreak() {
|
||||
// if it didn't manage to get a response, or when an error has happened.
|
||||
static char *comm(const char *req, bool wait_first) {
|
||||
ssize_t len = write(STDOUT_FILENO, req, strlen(req));
|
||||
if (len < strlen(req)) return NULL;
|
||||
if (len < strlen(req))
|
||||
return NULL;
|
||||
|
||||
struct pollfd pfd = { .fd = STDIN_FILENO, .events = POLLIN };
|
||||
if (wait_first) poll(&pfd, 1, -1);
|
||||
if (wait_first)
|
||||
poll(&pfd, 1, -1);
|
||||
|
||||
int lag = getenv("SSH_CONNECTION") ? 250 : 50;
|
||||
char buf[1000] = ""; size_t buf_len = 0; int n = 0;
|
||||
char buf[1000] = "";
|
||||
size_t buf_len = 0;
|
||||
int n = 0;
|
||||
while ((n = poll(&pfd, 1, lag /* unreliable, timing-dependent */))) {
|
||||
if (n < 0) return NULL;
|
||||
if (n < 0)
|
||||
return NULL;
|
||||
|
||||
len = read(STDIN_FILENO, buf + buf_len, sizeof buf - buf_len - 1);
|
||||
if (len <= 0) return NULL;
|
||||
if (len <= 0)
|
||||
return NULL;
|
||||
|
||||
buf_len += len;
|
||||
}
|
||||
return strdup(buf);
|
||||
@ -96,29 +104,44 @@ enum { DEC_UNKNOWN, DEC_SET, DEC_RESET, DEC_PERMSET, DEC_PERMRESET };
|
||||
|
||||
// decrpmstr returns a textual description of a DECRPM response.
|
||||
static const char *decrpmstr(int status) {
|
||||
if (status == DEC_UNKNOWN) return "unknown";
|
||||
if (status == DEC_SET) return "set";
|
||||
if (status == DEC_RESET) return "reset";
|
||||
if (status == DEC_PERMSET) return "permanently set";
|
||||
if (status == DEC_PERMRESET) return "permanently reset";
|
||||
return "?";
|
||||
switch (status) {
|
||||
case DEC_UNKNOWN:
|
||||
return "unknown";
|
||||
case DEC_SET:
|
||||
return "set";
|
||||
case DEC_RESET:
|
||||
return "reset";
|
||||
case DEC_PERMSET:
|
||||
return "permanently set";
|
||||
case DEC_PERMRESET:
|
||||
return "permanently reset";
|
||||
default:
|
||||
return "?";
|
||||
}
|
||||
}
|
||||
|
||||
// parse_decrpm returns whether the mode response is valid (result >= 0),
|
||||
// as well as the terminal's response if it is, see the DEC_* constants.
|
||||
static int parse_decrpm(const char *resp) {
|
||||
// E.g., \x1b[?1000;2$y
|
||||
if (resp[0] != '\x1b' || resp[1] != '[' || resp[2] != '?') return -1;
|
||||
char *end = NULL; errno = 0; long mode = strtol(resp + 3, &end, 10);
|
||||
if (errno || mode < 0 || *end != ';') return -1;
|
||||
if (!isdigit(end[1]) || end[2] != '$' || end[3] != 'y' || end[4]) return -1;
|
||||
if (resp[0] != '\x1b' || resp[1] != '[' || resp[2] != '?')
|
||||
return -1;
|
||||
|
||||
char *end = NULL;
|
||||
errno = 0;
|
||||
long mode = strtol(resp + 3, &end, 10);
|
||||
if (errno || mode < 0 || *end != ';')
|
||||
return -1;
|
||||
if (!isdigit(end[1]) || end[2] != '$' || end[3] != 'y' || end[4])
|
||||
return -1;
|
||||
return end[1] - '0';
|
||||
}
|
||||
|
||||
// deccheck checks whether a particular DEC mode is supported, whether it is
|
||||
// enabled, and returns that information as a string.
|
||||
static const char *deccheck(int number) {
|
||||
char buf[1000] = ""; snprintf(buf, sizeof buf, CSI "?%d$p", number);
|
||||
char buf[1000] = "";
|
||||
snprintf(buf, sizeof buf, CSI "?%d$p", number);
|
||||
return decrpmstr(parse_decrpm(comm(buf, false)));
|
||||
}
|
||||
|
||||
@ -134,8 +157,8 @@ static void test_mouse(int mode) {
|
||||
|
||||
unsigned int b = -1, x = -1, y = -1;
|
||||
unsigned char bc = -1, xc = -1, yc = -1, m = -1;
|
||||
if (sscanf(resp, CSI "M%c%c%c", &bc, &xc, &yc) == 3
|
||||
&& bc >= 32 && xc >= 32 && yc >= 32) {
|
||||
if (sscanf(resp, CSI "M%c%c%c", &bc, &xc, &yc) == 3 &&
|
||||
bc >= 32 && xc >= 32 && yc >= 32) {
|
||||
// Beware that this isn't compatible with xterm run with the -lc switch.
|
||||
if (strlen(resp) > 6) {
|
||||
printf("1005? ");
|
||||
@ -145,13 +168,13 @@ static void test_mouse(int mode) {
|
||||
} else {
|
||||
printf("1000/1005 (%d @ %d,%d)\n", bc - 32, xc - 32, yc - 32);
|
||||
}
|
||||
} else if (sscanf(resp, CSI "<%u;%u;%u%c", &b, &x, &y, &m) == 4
|
||||
&& (m == 'm' || m == 'M')) {
|
||||
} else if (sscanf(resp, CSI "<%u;%u;%u%c", &b, &x, &y, &m) == 4 &&
|
||||
(m == 'm' || m == 'M')) {
|
||||
printf("%s (%u%c @ %u,%u)\n",
|
||||
(x > ws.ws_col || y > ws.ws_row) ? "1016" : "1006/1016",
|
||||
b, m, x, y);
|
||||
} else if (sscanf(resp, CSI "%u;%u;%u%c", &b, &x, &y, &m) == 4
|
||||
&& m == 'M') {
|
||||
} else if (sscanf(resp, CSI "%u;%u;%u%c", &b, &x, &y, &m) == 4 &&
|
||||
m == 'M') {
|
||||
printf("1015 (%u @ %u,%u)\n", b - 32, x, y);
|
||||
} else {
|
||||
printf("Failed to parse.\n");
|
||||
@ -163,7 +186,9 @@ static void test_mouse(int mode) {
|
||||
// parse_decrpss checks a DECRPSS sequence and cuts out the inner part.
|
||||
// Returns NULL if it fails to validate.
|
||||
static char *parse_decrpss(char *resp) {
|
||||
if (strncmp(resp, DCS "1$r", 5)) return NULL;
|
||||
if (strncmp(resp, DCS "1$r", 5))
|
||||
return NULL;
|
||||
|
||||
*strpbrk(resp + 5, BEL ST8 "\x1b") = 0;
|
||||
return resp + 5;
|
||||
}
|
||||
@ -189,8 +214,9 @@ int main(int argc, char *argv[]) {
|
||||
printf("\n");
|
||||
|
||||
// Initialise terminfo, this should definitely succeed.
|
||||
int err; char *term = getenv("TERM");
|
||||
if (setupterm((char *)term, 1, &err) != OK)
|
||||
int err;
|
||||
char *term = getenv("TERM");
|
||||
if (setupterm((char *) term, 1, &err) != OK)
|
||||
abort();
|
||||
|
||||
// VTE wouldn't have sent a response to DECRQM otherwise!
|
||||
@ -212,7 +238,7 @@ int main(int argc, char *argv[]) {
|
||||
printf("%d\n", decrqm_supported);
|
||||
|
||||
printf("-- Colours\n");
|
||||
start_color(); // Does this need initscr()? ncurses doesn't initialise.
|
||||
start_color(); // Does this need initscr()? ncurses doesn't initialise.
|
||||
printf("Terminfo: %d colours, has_colors=%d\n",
|
||||
tigetnum("colors"), has_colors());
|
||||
|
||||
@ -228,7 +254,7 @@ int main(int argc, char *argv[]) {
|
||||
// user_caps(5), and comments in misc/terminfo.src. Looking for them
|
||||
// here out of curiosity, all sequences are mostly standardised.
|
||||
const char *Tc = tigetstr("Tc");
|
||||
if (Tc && Tc != (char *)-1)
|
||||
if (Tc && Tc != (char *) -1)
|
||||
printf("Terminfo: tmux extension claims direct color.\n");
|
||||
|
||||
// Check the confusion, see https://gist.github.com/XVilka/8346728
|
||||
@ -269,14 +295,17 @@ int main(int argc, char *argv[]) {
|
||||
char *copy = strdup(bright_red_save + 4);
|
||||
*strpbrk(copy, BEL ST8 "\x1b") = 0;
|
||||
printf("We have read colour contents from the terminal: %s\n", copy);
|
||||
} else *bright_red_save = 0;
|
||||
} else
|
||||
*bright_red_save = 0;
|
||||
|
||||
printf(CSI "0;38;5;9m" "Indexed" SGR0 " " CSI "1;31m" "Bold" SGR0 "\n");
|
||||
printf("Press a key to stop.\n");
|
||||
for (int r = 0; r < 255; r += 8) {
|
||||
char buf[1000] = "";
|
||||
snprintf(buf, sizeof buf, OSC "4;9;rgb:%02x/%02x/%02x" BEL, r, 0, 0);
|
||||
if (*comm(buf, false)) break;
|
||||
if (*comm(buf, false))
|
||||
break;
|
||||
|
||||
poll(NULL, 0, 50 /* delay */);
|
||||
}
|
||||
if (*bright_red_save)
|
||||
@ -288,14 +317,16 @@ int main(int argc, char *argv[]) {
|
||||
for (int r = 0; r < 255; r += 8) {
|
||||
char buf[1000] = "";
|
||||
snprintf(buf, sizeof buf, OSC "P9%02x%02x%02x", r, 0, 0);
|
||||
if (*comm(buf, false)) break;
|
||||
if (*comm(buf, false))
|
||||
break;
|
||||
|
||||
poll(NULL, 0, 50 /* delay */);
|
||||
}
|
||||
comm("\a\r", false); // Take care of unsupporting terminals.
|
||||
comm("\a\r", false); // Take care of unsupporting terminals.
|
||||
|
||||
printf("-- Bold and blink attributes\n");
|
||||
bool bbc_supported = enter_bold_mode && enter_blink_mode
|
||||
&& set_a_foreground && set_a_background && exit_attribute_mode;
|
||||
bool bbc_supported = enter_bold_mode && enter_blink_mode &&
|
||||
set_a_foreground && set_a_background && exit_attribute_mode;
|
||||
printf("Terminfo: %d\n", bbc_supported);
|
||||
if (bbc_supported) {
|
||||
tputs(TIPARM(set_a_foreground, COLOR_GREEN), 1, putchar);
|
||||
@ -328,18 +359,17 @@ int main(int argc, char *argv[]) {
|
||||
|
||||
printf("-- Overline attribute\n");
|
||||
const char *Smol = tigetstr("Smol");
|
||||
if (Smol && Smol != (char*)-1)
|
||||
if (Smol && Smol != (char *) -1)
|
||||
printf("Terminfo: found tmux extension.\n");
|
||||
printf(CSI "53m" "SGR test.\n" SGR0);
|
||||
|
||||
printf("-- Underline colour\n");
|
||||
const char *setal = tigetstr("setal");
|
||||
const char *ol = tigetstr("ol");
|
||||
if (setal && setal != (char*)-1 &&
|
||||
ol && ol != (char*)-1)
|
||||
if (setal && setal != (char *) -1 && ol && ol != (char *) -1)
|
||||
printf("Terminfo: found mintty extension.\n");
|
||||
const char *Setulc = tigetstr("Setulc");
|
||||
if (Setulc && Setulc != (char*)-1)
|
||||
if (Setulc && Setulc != (char *) -1)
|
||||
printf("Terminfo: found tmux extension.\n");
|
||||
printf(CSI "4;58;2;0;255;0m" "SGR test." SGR0 "\n");
|
||||
printf(CSI "4;58:5:46m" "SGR test." SGR0 "\n");
|
||||
@ -347,9 +377,9 @@ int main(int argc, char *argv[]) {
|
||||
printf("-- Bar cursor\n");
|
||||
const char *Ss = tigetstr("Ss");
|
||||
const char *Se = tigetstr("Se");
|
||||
if (Ss && Ss != (char*)-1)
|
||||
if (Ss && Ss != (char *) -1)
|
||||
printf("Terminfo: found tmux extension for setting.\n");
|
||||
if (Se && Se != (char*)-1)
|
||||
if (Se && Se != (char *) -1)
|
||||
printf("Terminfo: found tmux extension for resetting.\n");
|
||||
if (parse_decrpss(comm(DCS "$q q" ST "\r", false)))
|
||||
printf("DECRQSS told us about cursor appearance!\n");
|
||||
@ -389,7 +419,8 @@ int main(int argc, char *argv[]) {
|
||||
printf("-- Sixel graphics\n");
|
||||
char *da1 = comm(CSI "c", false);
|
||||
if (!strncmp(da1, CSI "?", 3)) {
|
||||
char *p = da1 + 3, *end = p; long mode;
|
||||
char *p = da1 + 3, *end = p;
|
||||
long mode;
|
||||
while ((mode = strtol(p, &end, 10)) && (*end == ';' || *end == 'c')) {
|
||||
if (mode == 4)
|
||||
printf("DA1: the terminal claims to support Sixel graphics.\n");
|
||||
@ -421,8 +452,7 @@ int main(int argc, char *argv[]) {
|
||||
printf("-- Focus events\n");
|
||||
const char *Dsfcs = tigetstr("Dsfcs");
|
||||
const char *Enfcs = tigetstr("Enfcs");
|
||||
if (Dsfcs && Dsfcs != (char*)-1 &&
|
||||
Enfcs && Enfcs != (char*)-1)
|
||||
if (Dsfcs && Dsfcs != (char *) -1 && Enfcs && Enfcs != (char *) -1)
|
||||
printf("Terminfo: found tmux extension.\n");
|
||||
if (decrqm_supported)
|
||||
printf("DECRQM: %s\n", deccheck(1004));
|
||||
@ -430,15 +460,18 @@ int main(int argc, char *argv[]) {
|
||||
printf("Focus in and out of the window, press a key to abort.\n");
|
||||
while (true) {
|
||||
char *in = comm("", true);
|
||||
if (*in != '\x1b') break;
|
||||
else if (in[1] == '[' && in[2] == 'I') printf("Focused in.\n");
|
||||
else if (in[1] == '[' && in[2] == 'O') printf("Focused out.\n");
|
||||
if (*in != '\x1b')
|
||||
break;
|
||||
else if (in[1] == '[' && in[2] == 'I')
|
||||
printf("Focused in.\n");
|
||||
else if (in[1] == '[' && in[2] == 'O')
|
||||
printf("Focused out.\n");
|
||||
}
|
||||
comm(CSI "?1000l" CSI "?1004l", false);
|
||||
|
||||
printf("-- Selection\n");
|
||||
const char *Ms = tigetstr("Ms");
|
||||
if (Ms && Ms != (char *)-1)
|
||||
if (Ms && Ms != (char *) -1)
|
||||
printf("Terminfo: found tmux extension.\n");
|
||||
|
||||
char *selection = comm(OSC "52;pc;?" BEL, false);
|
||||
@ -458,8 +491,7 @@ int main(int argc, char *argv[]) {
|
||||
printf("-- Bracketed paste\n");
|
||||
const char *Dsbp = tigetstr("Dsbp");
|
||||
const char *Enbp = tigetstr("Enbp");
|
||||
if (Dsbp && Dsbp != (char*)-1 &&
|
||||
Enbp && Enbp != (char*)-1)
|
||||
if (Dsbp && Dsbp != (char *) -1 && Enbp && Enbp != (char *) -1)
|
||||
printf("Terminfo: found tmux extension.\n");
|
||||
if (decrqm_supported)
|
||||
printf("DECRQM: %s\n", deccheck(2004));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user