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author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
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committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/prng/rand.c | |
download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.xz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.zip |
initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/prng/rand.c')
-rw-r--r-- | src/prng/rand.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/prng/rand.c b/src/prng/rand.c new file mode 100644 index 00000000..e3ce6347 --- /dev/null +++ b/src/prng/rand.c @@ -0,0 +1,13 @@ +#include <stdlib.h> + +static unsigned seed; + +void srand(unsigned s) +{ + seed = s-1; +} + +int rand(void) +{ + return (seed = (seed+1) * 1103515245 + 12345 - 1)+1 & 0x7fffffff; +} |