| #include <time.h> | |
| #include <stdint.h> | |
| /* This assumes that a check for the | |
| template size has already been made */ | |
| char *__randname(char *template) | |
| { | |
| int i; | |
| struct timespec ts; | |
| unsigned long r; | |
| __clock_gettime(CLOCK_REALTIME, &ts); | |
| r = ts.tv_nsec*65537 ^ (uintptr_t)&ts / 16 + (uintptr_t)template; | |
| for (i=0; i<6; i++, r>>=5) | |
| template[i] = 'A'+(r&15)+(r&16)*2; | |
| return template; | |
| } |