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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-09-09 14:11:03 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-09-09 14:11:03 +0200 |
| commit | d7cb5a8daf73825d4ffa623be4c2b798c81f41a5 (patch) | |
| tree | 916ee53f88a456f9b077a3cf6db2872572a34802 | |
| parent | 1fc3e8f4ea49d01b2eab609ff94fa6c860da0043 (diff) | |
| download | ffmpeg-d7cb5a8daf73825d4ffa623be4c2b798c81f41a5.tar.gz | |
ffmpeg_filter: fix unsafe snprintf() usage
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | ffmpeg_filter.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c index b7f20cc218..1887ffec4e 100644 --- a/ffmpeg_filter.c +++ b/ffmpeg_filter.c @@ -424,18 +424,17 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, if (sample_fmts || sample_rates || channel_layouts) { AVFilterContext *format; char args[256]; - int len = 0; + args[0] = 0; if (sample_fmts) - len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:", + av_strlcatf(args, sizeof(args), "sample_fmts=%s:", sample_fmts); if (sample_rates) - len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:", + av_strlcatf(args, sizeof(args), "sample_rates=%s:", sample_rates); if (channel_layouts) - len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:", + av_strlcatf(args, sizeof(args), "channel_layouts=%s:", channel_layouts); - args[len - 1] = 0; av_freep(&sample_fmts); av_freep(&sample_rates); |