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| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-04-24 09:33:30 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-04-24 09:33:30 +0000 |
| commit | 9ce253a2cfc26cc7a0d2cfeeaf15d6216d522077 (patch) | |
| tree | 6f6334590a5705de7f7288d3eb8e572bfe75453f /random.c | |
| parent | 8581fa1549787fc64e0d8a198838fe47104726c1 (diff) | |
| download | ruby-9ce253a2cfc26cc7a0d2cfeeaf15d6216d522077.tar.gz | |
gtk/nested local variables
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'random.c')
| -rw-r--r-- | random.c | 24 |
1 files changed, 19 insertions, 5 deletions
@@ -12,8 +12,22 @@ #include "ruby.h" +#include <time.h> +#ifndef NT +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#else +struct timeval { + long tv_sec; /* seconds */ + long tv_usec; /* and microseconds */ +}; +#endif +#endif /* NT */ + static int first = 1; +#ifdef HAVE_RANDOM static char state[256]; +#endif static VALUE f_srand(argc, argv, obj) @@ -26,7 +40,10 @@ f_srand(argc, argv, obj) static int saved_seed; if (rb_scan_args(argc, argv, "01", &seed) == 0) { - seed = time(0); + struct timeval tv; + + gettimeofday(&tv, 0); + seed = tv.tv_usec; } else { seed = NUM2INT(seed); @@ -61,12 +78,9 @@ f_rand(obj, vmax) { int val, max; -#ifdef HAVE_RANDOM if (first == 1) { - initstate(1, state, sizeof state); - first = 0; + f_srand(0, 0, 0); } -#endif switch (TYPE(vmax)) { case T_BIGNUM: |