libc-top-half/musl/src/unistd/gethostname.c

   1 #include <unistd.h>
   2 #include <sys/utsname.h>
   3
   4 int gethostname(char *name, size_t len)
   5 {
   6         size_t i;
   7         struct utsname uts;
   8         if (uname(&uts)) return -1;
   9         if (len > sizeof uts.nodename) len = sizeof uts.nodename;
  10         for (i=0; i<len && (name[i] = uts.nodename[i]); i++);
  11         if (i && i==len) name[i-1] = 0;
  12         return 0;
  13 }