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Added a function for generating 32-bit random numbers.

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This commit is contained in:
Martin Mares 1999-08-17 20:47:40 +00:00
parent b332fcdfc8
commit f651941402
2 changed files with 19 additions and 0 deletions
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4
lib/birdlib.h
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@ -63,4 +63,8 @@ void debug(char *msg, ...); /* Printf to debug output */
#define ASSERT(x) do { } while(0)
#endif
/* Pseudorandom numbers */
u32 random_u32(void);
#endif

15
sysdep/unix/io.c
View File

@ -34,6 +34,20 @@
#include "lib/unix.h"
/*
* Random Numbers
*/
u32
random_u32(void)
{
long int rand_low, rand_high;
rand_low = random();
rand_high = random();
return (rand_low & 0xffff) | ((rand_high & 0xffff) << 16);
}
/*
* Timers
*/
@ -823,6 +837,7 @@ io_init(void)
init_list(&global_event_list);
krt_io_init();
now = time(NULL);
srandom((int) now);
}
void