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| author | Måns Rullgård <mans@mansr.com> | 2010-03-11 02:32:11 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-03-11 02:32:11 +0000 |
| commit | 49e92878788e39fff7d103940f512f38b4225068 (patch) | |
| tree | 4d4531bbdb28299b353be25074332dfb0dfffeed | |
| parent | 32f40ace25699ae28b711d6967934a9ff4ccb2f3 (diff) | |
| download | ffmpeg-49e92878788e39fff7d103940f512f38b4225068.tar.gz | |
random_seed: try other alternatives if reading /dev/random fails
Originally committed as revision 22450 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavutil/random_seed.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavutil/random_seed.c b/libavutil/random_seed.c index 2b2985d446..d3975653a1 100644 --- a/libavutil/random_seed.c +++ b/libavutil/random_seed.c @@ -31,8 +31,9 @@ uint32_t ff_random_get_seed(void) if ((fd = open("/dev/random", O_RDONLY)) == -1) fd = open("/dev/urandom", O_RDONLY); if (fd != -1){ - read(fd, &seed, 4); + int err = read(fd, &seed, 4); close(fd); + if (err == 4) return seed; } #ifdef AV_READ_TIME |