diff options
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: |