ocaml/otherlibs/unix/gethostname.c

38 lines
586 B
C

#include <mlvalues.h>
#include <alloc.h>
#include <sys/param.h>
#include "unix.h"
#ifdef HAS_GETHOSTNAME
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
value unix_gethostname() /* ML */
{
char name[MAXHOSTNAMELEN];
gethostname(name, MAXHOSTNAMELEN);
name[MAXHOSTNAMELEN-1] = 0;
return copy_string(name);
}
#else
#ifdef HAS_UNAME
#include <sys/utsname.h>
value unix_gethostname()
{
struct utsname un;
uname(&un);
return copy_string(un.nodename);
}
#else
value unix_gethostname() { invalid_argument("gethostname not implemented"); }
#endif
#endif