qi-hardware/ben-blinkenlights
1
0
Fork 0
mirror of git://projects.qi-hardware.com/ben-blinkenlights.git synced 2024-11-16 20:49:43 +02:00
Code

ubb-la/gui.c (textf): vasprintf ain't alloca, so we need to free()

Browse Source
This commit is contained in:
Werner Almesberger 2013-01-31 01:45:42 -03:00
parent cdcfb6c181
commit 52c3dcc16a
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
ubb-la/gui.c
View File

@ -122,17 +122,18 @@ static void update(void)
static void textf(int x, int y, uint32_t color, const char *fmt, ...) static void textf(int x, int y, uint32_t color, const char *fmt, ...)
{ {
va_list ap; va_list ap;
char *s; char *tmp, *s;
uint8_t *p; uint8_t *p;
int ix, iy; int ix, iy;
int res;
va_start(ap, fmt); va_start(ap, fmt);
res = vasprintf(&s, fmt, ap); if (vasprintf(&tmp, fmt, ap) < 0) {
perror("vasprintf");
exit(1);
}
va_end(ap); va_end(ap);
(void) res;
while (*s) { for (s = tmp; *s; s++) {
p = gfxPrimitivesFontdata+(*s << 3); p = gfxPrimitivesFontdata+(*s << 3);
for (iy = 0; iy != 8; iy++) { for (iy = 0; iy != 8; iy++) {
for (ix = 0; ix != 8; ix++) for (ix = 0; ix != 8; ix++)
@ -141,8 +142,8 @@ static void textf(int x, int y, uint32_t color, const char *fmt, ...)
p++; p++;
} }
x += 8; x += 8;
s++;
} }
free(tmp);
} }