random_seed: simplify

Originally committed as revision 23932 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · 16bfbfd078
parent 9958096ea2
commit 16bfbfd078
1 changed files with 3 additions and 5 deletions
--- 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 (err != sizeof(seed))
-        err = read_random(&seed, "/dev/random");
-    if (err == sizeof(seed))
+    if (read_random(&seed, "/dev/urandom") == sizeof(seed))
+        return seed;
+    if (read_random(&seed, "/dev/random")  == sizeof(seed))
        return seed;

 #ifdef AV_READ_TIME