#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: uname.c,v 1.10 1998/11/09 13:24:05 kleink Exp $");
#endif
#include <sys/param.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#ifdef __APPLE__
#include <string.h>
#endif
#include <sys/sysctl.h>
#include <sys/utsname.h>
#ifdef __APPLE__
#include <get_compat.h>
#else
#define COMPAT_MODE(a,b) (1)
#endif
int main __P((int, char **));
static void usage __P((void));
#define PRINT_SYSNAME 0x01
#define PRINT_NODENAME 0x02
#define PRINT_RELEASE 0x04
#define PRINT_VERSION 0x08
#define PRINT_MACHINE 0x10
#define PRINT_MACHINE_ARCH 0x20
#define PRINT_ALL \
(PRINT_SYSNAME|PRINT_NODENAME|PRINT_RELEASE|PRINT_VERSION|PRINT_MACHINE)
int
main(argc, argv)
int argc;
char **argv;
{
struct utsname u;
#ifndef __APPLE__
char machine_arch[SYS_NMLN];
#endif
int c;
int space = 0;
int print_mask = 0;
(void)setlocale(LC_ALL, "");
while ((c = getopt(argc,argv,"amnprsv")) != -1) {
switch (c) {
case 'a':
print_mask |= PRINT_ALL;
#ifdef __APPLE__
if (!COMPAT_MODE("bin/uname", "Unix2003")) {
print_mask |= PRINT_MACHINE_ARCH;
}
#endif
break;
case 'm':
print_mask |= PRINT_MACHINE;
break;
case 'n':
print_mask |= PRINT_NODENAME;
break;
case 'p':
print_mask |= PRINT_MACHINE_ARCH;
break;
case 'r':
print_mask |= PRINT_RELEASE;
break;
case 's':
print_mask |= PRINT_SYSNAME;
break;
case 'v':
print_mask |= PRINT_VERSION;
break;
default:
usage();
}
}
if (optind != argc) {
usage();
}
if (!print_mask) {
print_mask = PRINT_SYSNAME;
}
if (uname(&u) != 0) {
err(EXIT_FAILURE, "uname");
}
#ifndef __APPLE__
if (print_mask & PRINT_MACHINE_ARCH) {
int mib[2] = { CTL_HW, HW_MACHINE_ARCH };
size_t len = sizeof (machine_arch);
if (sysctl(mib, sizeof (mib) / sizeof (mib[0]), machine_arch,
&len, NULL, 0) < 0)
err(EXIT_FAILURE, "sysctl");
}
#endif
#ifdef __APPLE__
{
char *s;
s = getenv ("UNAME_SYSNAME"); if (s) strncpy (u.sysname, s, sizeof (u.sysname));
s = getenv ("UNAME_NODENAME"); if (s) strncpy (u.nodename, s, sizeof (u.nodename));
s = getenv ("UNAME_RELEASE"); if (s) strncpy (u.release, s, sizeof (u.release));
s = getenv ("UNAME_VERSION"); if (s) strncpy (u.version, s, sizeof (u.version));
s = getenv ("UNAME_MACHINE"); if (s) strncpy (u.machine, s, sizeof (u.machine));
}
#endif
if (print_mask & PRINT_SYSNAME) {
space++;
fputs(u.sysname, stdout);
}
if (print_mask & PRINT_NODENAME) {
if (space++) putchar(' ');
fputs(u.nodename, stdout);
}
if (print_mask & PRINT_RELEASE) {
if (space++) putchar(' ');
fputs(u.release, stdout);
}
if (print_mask & PRINT_VERSION) {
if (space++) putchar(' ');
fputs(u.version, stdout);
}
if (print_mask & PRINT_MACHINE) {
if (space++) putchar(' ');
fputs(u.machine, stdout);
}
if (print_mask & PRINT_MACHINE_ARCH) {
if (space++) putchar(' ');
#ifndef __APPLE__
fputs(machine_arch, stdout);
#else
#if defined(__ppc__) || defined(__ppc64__)
fputs("powerpc", stdout);
#elif defined (__i386__) || defined(__x86_64__)
fputs("i386", stdout);
#elif defined(__arm__)
fputs("arm", stdout);
#else
fputs("unknown", stdout);
#endif
#endif
}
putchar('\n');
exit(EXIT_SUCCESS);
}
static void
usage()
{
fprintf(stderr, "usage: uname [-amnprsv]\n");
exit(EXIT_FAILURE);
}