| #include <common.h> | |
| #include <stdlib.h> | |
| static unsigned int random_seed; | |
| #if RAND_MAX > 32767 | |
| #error this rand implementation is for RAND_MAX < 32678 only. | |
| #endif | |
| unsigned int rand(void) | |
| { | |
| random_seed = random_seed * 1103515245 + 12345; | |
| return (random_seed / 65536) % (RAND_MAX + 1); | |
| } | |
| void srand(unsigned int seed) | |
| { | |
| random_seed = seed; | |
| } | |
| void get_random_bytes(char *buf, int len) | |
| { | |
| while (len--) | |
| *buf++ = rand() % 256; | |
| } | |