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author | Diego Biurrun <diego@biurrun.de> | 2015-12-11 19:52:36 +0100 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2016-11-23 07:36:32 +0100 |
commit | b8cd7a3c8df2c3aac8d7a0b5a02d83caf61bd769 (patch) | |
tree | f9b3b47d6d76c23bf01931ca00eca4e3dc7f57fc /libavcodec | |
parent | 6427379f23eb4d2b82d8d274c616f68b65a2f723 (diff) |
dvbsub: Check for errors from system()
libavcodec/dvbsubdec.c:145:5: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
libavcodec/dvbsubdec.c:148:5: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/dvbsubdec.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c index ccdfc01089..e512b97a07 100644 --- a/libavcodec/dvbsubdec.c +++ b/libavcodec/dvbsubdec.c @@ -84,10 +84,16 @@ 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) { + printf("Error running pnmtopng\n"); + return; + } snprintf(command, sizeof(command), "rm %s %s", fname, fname2); - system(command); + if (system(command) != 0) { + printf("Error removing %s and %s\n", fname, fname2); + return; + } } #endif |