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Code Issues Releases Activity

random_seed: try other alternatives if reading /dev/random fails

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Originally committed as revision 22450 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-03-11 02:32:11 +00:00
parent 32f40ace25
commit 49e9287878
1 changed files with 2 additions and 1 deletions
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3
libavutil/random_seed.c
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@ -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