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Fix memory leaks in uses of the MPD_SIMPLE macro

This commit is contained in:
Přemysl Eric Janouch 2017-01-24 16:25:42 +01:00
parent 912b424515
commit acd6e32983
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 51 additions and 34 deletions
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nncmpp.c
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@ -1432,15 +1432,42 @@ g_actions[] =
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#define MPD_SIMPLE(...) \
{ \
if (c->state != MPD_CONNECTED) \
break; \
mpd_client_send_command (c, __VA_ARGS__, NULL); \
mpd_client_add_task (c, NULL, NULL); \
mpd_client_idle (c, 0); \
static void
mpd_client_vsend_command (struct mpd_client *self, va_list ap)
{
struct strv v;
strv_init (&v);
const char *command;
while ((command = va_arg (ap, const char *)))
strv_append (&v, command);
mpd_client_send_commandv (self, v.vector);
strv_free (&v);
}
/// Send a command to MPD without caring about the response
static bool mpd_client_send_simple (struct mpd_client *c, ...)
ATTRIBUTE_SENTINEL;
static bool
mpd_client_send_simple (struct mpd_client *self, ...)
{
if (self->state != MPD_CONNECTED)
return false;
va_list ap;
va_start (ap, self);
mpd_client_vsend_command (self, ap);
va_end (ap);
mpd_client_add_task (self, NULL, NULL);
mpd_client_idle (self, 0);
return true;
}
#define MPD_SIMPLE(...) \
mpd_client_send_simple (&g_ctx.client, __VA_ARGS__, NULL)
static bool
app_process_action (enum action action)
{
@ -1449,7 +1476,6 @@ app_process_action (enum action action)
if (tab->on_action && tab->on_action (action))
return true;
struct mpd_client *c = &g_ctx.client;
switch (action)
{
case ACTION_QUIT:
@ -1471,25 +1497,24 @@ app_process_action (enum action action)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
case ACTION_MPD_PREVIOUS:
MPD_SIMPLE ("previous")
MPD_SIMPLE ("previous");
break;
case ACTION_MPD_TOGGLE:
if (g_ctx.state == PLAYER_PLAYING) MPD_SIMPLE ("pause", "1")
else if (g_ctx.state == PLAYER_PAUSED) MPD_SIMPLE ("pause", "0")
else MPD_SIMPLE ("play")
if (g_ctx.state == PLAYER_PLAYING) MPD_SIMPLE ("pause", "1");
else if (g_ctx.state == PLAYER_PAUSED) MPD_SIMPLE ("pause", "0");
else MPD_SIMPLE ("play");
break;
case ACTION_MPD_STOP:
MPD_SIMPLE ("stop")
MPD_SIMPLE ("stop");
break;
case ACTION_MPD_NEXT:
MPD_SIMPLE ("next")
MPD_SIMPLE ("next");
break;
case ACTION_MPD_VOLUME_UP:
if (g_ctx.volume >= 0)
{
char *volume = xstrdup_printf ("%d", MIN (100, g_ctx.volume + 10));
// FIXME: if this breaks, it leaks "volume"
MPD_SIMPLE ("setvol", volume)
MPD_SIMPLE ("setvol", volume);
free (volume);
}
break;
@ -1497,16 +1522,15 @@ app_process_action (enum action action)
if (g_ctx.volume >= 0)
{
char *volume = xstrdup_printf ("%d", MAX (0, g_ctx.volume - 10));
// FIXME: if this breaks, it leaks "volume"
MPD_SIMPLE ("setvol", volume)
MPD_SIMPLE ("setvol", volume);
free (volume);
}
break;
// TODO: relative seeks
#if 0
MPD_SIMPLE (forward, "seekcur", "+10", NULL)
MPD_SIMPLE (backward, "seekcur", "-10", NULL)
FORWARD: MPD_SIMPLE ("seekcur", "+10");
BACKWARD: MPD_SIMPLE ("seekcur", "-10");
#endif
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -1587,15 +1611,11 @@ app_process_left_mouse_click (int line, int column, bool double_click)
return false;
float position = (float) gauge_offset / g_ctx.gauge_width;
struct mpd_client *c = &g_ctx.client;
if (c->state == MPD_CONNECTED && g_ctx.song_duration >= 1)
if (g_ctx.song_duration >= 1)
{
char *where = xstrdup_printf ("%f", position * g_ctx.song_duration);
mpd_client_send_command (c, "seekcur", where, NULL);
MPD_SIMPLE ("seekcur", where);
free (where);
mpd_client_add_task (c, NULL, NULL);
mpd_client_idle (c, 0);
}
}
else if (line == g_ctx.header_height - 1)
@ -1795,20 +1815,17 @@ current_tab_on_action (enum action action)
if (self->item_selected < 0)
return false;
struct mpd_client *c = &g_ctx.client;
switch (action)
{
char *song;
case ACTION_CHOOSE:
song = xstrdup_printf ("%d", self->item_selected);
// FIXME: if this breaks, it leaks "volume"
MPD_SIMPLE ("play", song)
MPD_SIMPLE ("play", song);
free (song);
return true;
case ACTION_DELETE:
song = xstrdup_printf ("%d", self->item_selected);
// FIXME: if this breaks, it leaks "volume"
MPD_SIMPLE ("delete", song)
MPD_SIMPLE ("delete", song);
free (song);
return true;
default:
@ -2027,7 +2044,7 @@ library_tab_on_action (enum action action)
case LIBRARY_ROOT:
case LIBRARY_UP:
case LIBRARY_DIR: library_tab_reload (x.path); break;
case LIBRARY_FILE: MPD_SIMPLE ("add", x.path) break;
case LIBRARY_FILE: MPD_SIMPLE ("add", x.path); break;
default: hard_assert (!"invalid item type");
}
return true;
@ -2037,13 +2054,13 @@ library_tab_on_action (enum action action)
break;
MPD_SIMPLE ("clear");
MPD_SIMPLE ("add", x.path)
MPD_SIMPLE ("add", x.path);
return true;
case ACTION_MPD_ADD:
if (x.type != LIBRARY_DIR && x.type != LIBRARY_FILE)
break;
MPD_SIMPLE ("add", x.path)
MPD_SIMPLE ("add", x.path);
return true;
default:
break;