src/temp/__randname.c

   1 #include <time.h>
   2 #include <stdint.h>
   3 #include "pthread_impl.h"
   4
   5 /* This assumes that a check for the
   6    template size has already been made */
   7 char *__randname(char *template)
   8 {
   9         int i;
  10         struct timespec ts;
  11         unsigned long r;
  12
  13         __clock_gettime(CLOCK_REALTIME, &ts);
  14         r = ts.tv_sec + ts.tv_nsec + __pthread_self()->tid * 65537UL;
  15         for (i=0; i<6; i++, r>>=5)
  16                 template[i] = 'A'+(r&15)+(r&16)*2;
  17
  18         return template;
  19 }