File: __gethstnm.c

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#include <string.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <errno.h>

int
__gethostname(char *name, size_t len)
{
  struct utsname uts;

  if (name == NULL) {
    errno = EINVAL;
    return -1;
  }

  if (__uname(&uts) == -1) return -1;

  if (strlen(uts.nodename)+1 > len) {
    errno = EINVAL;
    return -1;
  }
  strcpy(name, uts.nodename);
  return 0;
}

#include <gnu-stabs.h>
#ifdef weak_alias
weak_alias (__gethostname, gethostname);
#endif