random_seed: simplify

Originally committed as revision 23932 to svn://svn.ffmpeg.org/ffmpeg/trunk

random_seed: simplify
Originally committed as revision 23932 to svn://svn.ffmpeg.org/ffmpeg/trunk
16bfbfd0 · Måns Rullgård · 9958096e · 16bfbfd0
Commit 16bfbfd0 authored Jul 01, 2010 by Måns Rullgård
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Showing with 3 additions and 5 deletions

random_seed.c libavutil/random_seed.c +3 -5

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--- a/libavutil/random_seed.c
+++ b/libavutil/random_seed.c
@@ -40,12 +40,10 @@ static int read_random(uint32_t *dst, const char *file)
 uint32_t av_get_random_seed(void)
 {
    uint32_t seed;
-    int err;
-    err = read_random(&seed, "/dev/urandom");
+    if (read_random(&seed, "/dev/urandom") == sizeof(seed))
-    if (err != sizeof(seed))
+        return seed;
-        err = read_random(&seed, "/dev/random");
+    if (read_random(&seed, "/dev/random")  == sizeof(seed))
-    if (err == sizeof(seed))
        return seed;
 #ifdef AV_READ_TIME