| #include <time.h> | |
| #include <stdint.h> | |
| int __clock_gettime(clockid_t, struct timespec*); | |
| /* 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; | |
| } |