proxmox-mirrors/qemu
1
0
Fork 0
mirror of https://git.proxmox.com/git/qemu synced 2025-07-19 17:46:59 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tcx: tcx24_screen_dump(): add error handling

Browse Source 
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2012-05-24 11:30:40 -03:00
parent 61a3f955c1
commit 537f2d2b0d
1 changed files with 41 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
hw/tcx.c
View File

@ -611,12 +611,18 @@ static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch,
FILE *f; FILE *f;
uint8_t *d, *d1, v; uint8_t *d, *d1, v;
uint32_t *s24, *cptr, dval; uint32_t *s24, *cptr, dval;
int y, x; int ret, y, x;
f = fopen(filename, "wb"); f = fopen(filename, "wb");
if (!f) if (!f) {
error_setg(errp, "failed to open file '%s': %s", filename,
strerror(errno));
return; return;
fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255); }
ret = fprintf(f, "P6\n%d %d\n%d\n", s->width, s->height, 255);
if (ret < 0) {
goto write_err;
}
d1 = s->vram; d1 = s->vram;
s24 = s->vram24; s24 = s->vram24;
cptr = s->cplane; cptr = s->cplane;
@ -625,20 +631,46 @@ static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch,
for(x = 0; x < s->width; x++, d++, s24++) { for(x = 0; x < s->width; x++, d++, s24++) {
if ((*cptr++ & 0xff000000) == 0x03000000) { // 24-bit direct if ((*cptr++ & 0xff000000) == 0x03000000) { // 24-bit direct
dval = *s24 & 0x00ffffff; dval = *s24 & 0x00ffffff;
fputc((dval >> 16) & 0xff, f); ret = fputc((dval >> 16) & 0xff, f);
fputc((dval >> 8) & 0xff, f); if (ret == EOF) {
fputc(dval & 0xff, f); goto write_err;
}
ret = fputc((dval >> 8) & 0xff, f);
if (ret == EOF) {
goto write_err;
}
ret = fputc(dval & 0xff, f);
if (ret == EOF) {
goto write_err;
}
} else { } else {
v = *d; v = *d;
fputc(s->r[v], f); ret = fputc(s->r[v], f);
fputc(s->g[v], f); if (ret == EOF) {
fputc(s->b[v], f); goto write_err;
}
ret = fputc(s->g[v], f);
if (ret == EOF) {
goto write_err;
}
ret = fputc(s->b[v], f);
if (ret == EOF) {
goto write_err;
}
} }
} }
d1 += MAXX; d1 += MAXX;
} }
out:
fclose(f); fclose(f);
return; return;
write_err:
error_setg(errp, "failed to write to file '%s': %s", filename,
strerror(errno));
unlink(filename);
goto out;
} }
static Property tcx_properties[] = { static Property tcx_properties[] = {