src/unistd/getlogin_r.c

   1 #include <unistd.h>
   2 #include <string.h>
   3 #include <errno.h>
   4
   5 int getlogin_r(char *name, size_t size)
   6 {
   7         char *logname = getlogin();
   8         if (!logname) return ENXIO; /* or...? */
   9         if (strlen(logname) >= size) return ERANGE;
  10         strcpy(name, logname);
  11         return 0;
  12 }