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| author | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
| commit | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (patch) | |
| tree | f382987fec33cf639d75b1fe1b5d76b8f155d074 /src/lib9/nrand.c | |
| parent | 5f7d5e8d1899f41b0e5366c0251530ea1dc753d0 (diff) | |
| download | plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.gz plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.bz2 plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.zip | |
Initial revision
Diffstat (limited to 'src/lib9/nrand.c')
| -rw-r--r-- | src/lib9/nrand.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lib9/nrand.c b/src/lib9/nrand.c new file mode 100644 index 00000000..cf9c17c3 --- /dev/null +++ b/src/lib9/nrand.c @@ -0,0 +1,17 @@ +#include <lib9.h> + +#define MASK 0x7fffffffL + +int +nrand(int n) +{ + long slop, v; + + if(n < 0) + return n; + slop = MASK % n; + do + v = lrand(); + while(v <= slop); + return v % n; +} |