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Merge commit 'b8cd7a3c8df2c3aac8d7a0b5a02d83caf61bd769'

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* commit 'b8cd7a3c8df2c3aac8d7a0b5a02d83caf61bd769':
  dvbsub: Check for errors from system()

printf(...) replaced with fprintf(stderr, ...) for logging errors.

Merged-by: Clément Bœsch <u@pkh.me>
This commit is contained in:
Clément Bœsch 2017-04-03 20:57:03 +02:00
commit 9f7ba0ac9d
1 changed files with 8 additions and 2 deletions
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10
libavcodec/dvbsubdec.c
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@ -85,10 +85,16 @@ static void png_save(const char *filename, uint32_t *bitmap, int w, int h)
fclose(f);
snprintf(command, sizeof(command), "pnmtopng -alpha %s %s > %s.png 2> /dev/null", fname2, fname, filename);
system(command);
if (system(command) != 0) {
fprintf(stderr, "Error running pnmtopng\n");
return;
}
snprintf(command, sizeof(command), "rm %s %s", fname, fname2);
system(command);
if (system(command) != 0) {
fprintf(stderr, "Error removing %s and %s\n", fname, fname2);
return;
}
}
#endif