diff options
Diffstat (limited to 'contrib/one-true-awk/run.c')
| -rw-r--r-- | contrib/one-true-awk/run.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/contrib/one-true-awk/run.c b/contrib/one-true-awk/run.c index cafaff3..2bcd9df 100644 --- a/contrib/one-true-awk/run.c +++ b/contrib/one-true-awk/run.c @@ -1521,8 +1521,10 @@ Cell *bltin(Node **a, int n) /* builtin functions. a[0] is type, a[1] is arg lis u = (Awkfloat) system(getsval(x)) / 256; /* 256 is unix-dep */ break; case FRAND: - /* in principle, rand() returns something in 0..RAND_MAX */ - u = (Awkfloat) (rand() % RAND_MAX) / RAND_MAX; + /* random() returns numbers in [0..2^31-1] + * in order to get a number in [0, 1), divide it by 2^31 + */ + u = (Awkfloat) random() / (0x7fffffffL + 0x1UL); break; case FSRAND: if (isrec(x)) /* no argument provided */ @@ -1530,7 +1532,7 @@ Cell *bltin(Node **a, int n) /* builtin functions. a[0] is type, a[1] is arg lis else u = getfval(x); tmp = u; - srand((unsigned int) u); + srandom((unsigned long) u); u = srand_seed; srand_seed = tmp; break; |
