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| author | obrien <obrien@FreeBSD.org> | 2001-11-03 02:14:10 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2001-11-03 02:14:10 +0000 |
| commit | f1008910161a7140aea35cd535216b766df0bbc0 (patch) | |
| tree | d5f842cc18b9b203149a0b2e89ad3587f480c64f /contrib | |
| parent | 9bd91d26bea7f37f53f546cb36b97212367b2b6d (diff) | |
| download | FreeBSD-src-f1008910161a7140aea35cd535216b766df0bbc0.zip FreeBSD-src-f1008910161a7140aea35cd535216b766df0bbc0.tar.gz | |
Tighten up the random seeding a little bit more. getpid() alone only
affect only lower bits of seed which would resulte in the same seed for
sequences of fast-started awk's resulting the same random sequence.
Submitted by: ache
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/awk/builtin.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/awk/builtin.c b/contrib/awk/builtin.c index 240dca4..dcf3ac3 100644 --- a/contrib/awk/builtin.c +++ b/contrib/awk/builtin.c @@ -1509,7 +1509,8 @@ do_srand(NODE *tree) if (tree == NULL) #ifdef __FreeBSD__ - srandom((unsigned int) (save_seed = (long) time((time_t *) 0) ^ getpid())); + srandom((unsigned int) (save_seed = (long) time((time_t *) 0) + ^ (getpid() << 16))); #else srandom((unsigned int) (save_seed = (long) time((time_t *) 0))); #endif |
