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rand.c: platform depedenant code can be removed using CPP flag

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This commit is contained in:
Peter D. Gray 2018-01-12 13:17:58 -05:00 committed by Pavol Rusnak
parent cb8c910a0c
commit 65e976d70c
1 changed files with 15 additions and 7 deletions
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22
rand.c
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@ -30,6 +30,8 @@
#include "rand.h"
#ifndef RAND_PLATFORM_INDEPENDANT
static FILE *frand = NULL;
int finalize_rand(void)
@ -62,13 +64,6 @@ uint32_t random32(void)
#endif
}
uint32_t random_uniform(uint32_t n)
{
uint32_t x, max = 0xFFFFFFFF - (0xFFFFFFFF % n);
while ((x = random32()) >= max);
return x / (max / n);
}
void random_buffer(uint8_t *buf, size_t len)
{
#ifdef _WIN32
@ -87,6 +82,19 @@ void random_buffer(uint8_t *buf, size_t len)
#endif
}
#endif /* RAND_PLATFORM_INDEPENDANT */
//
// Following code should be platform independant
//
uint32_t random_uniform(uint32_t n)
{
uint32_t x, max = 0xFFFFFFFF - (0xFFFFFFFF % n);
while ((x = random32()) >= max);
return x / (max / n);
}
void random_permute(char *str, size_t len)
{
int i, j;