Mercurial > hg > mlmmj
changeset 730:793e5b2b28f2
Makes random number generation more efficient by only seeding the
generator once
author | Ben Schmidt |
---|---|
date | Sat, 31 Jul 2010 00:25:36 +1000 |
parents | d78eb18576b0 |
children | e29893b9f581 |
files | ChangeLog src/random-int.c |
diffstat | 2 files changed, 6 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog Sat Jul 31 00:04:45 2010 +1000 +++ b/ChangeLog Sat Jul 31 00:25:36 2010 +1000 @@ -1,3 +1,5 @@ + o Make random number generation more efficient by only seeding the + generator once o Added feature to notify users when their posts are moderated o Fixed documentation regarding silent subscription, and added ability to silently subscribe
--- a/src/random-int.c Sat Jul 31 00:04:45 2010 +1000 +++ b/src/random-int.c Sat Jul 31 00:25:36 2010 +1000 @@ -30,10 +30,13 @@ int random_int() { + static int init = 0; unsigned int seed; int devrandom; unsigned char ch; + if (init) return rand(); + seed = (unsigned int)time(NULL); devrandom = open("/dev/urandom", O_RDONLY); @@ -53,6 +56,7 @@ } srand(seed); + init = 1; return rand(); }