diff options
Diffstat (limited to 'shell_cmds/uname/uname.c')
| -rw-r--r-- | shell_cmds/uname/uname.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/shell_cmds/uname/uname.c b/shell_cmds/uname/uname.c new file mode 100644 index 0000000..7dadd52 --- /dev/null +++ b/shell_cmds/uname/uname.c @@ -0,0 +1,208 @@ +/* $NetBSD: uname.c,v 1.10 1998/11/09 13:24:05 kleink Exp $ */ + +/* + * Copyright (c) 1994 Winning Strategies, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Winning Strategies, Inc. + * 4. The name of Winning Strategies, Inc. may not be used to endorse or + * promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +__RCSID("$NetBSD: uname.c,v 1.10 1998/11/09 13:24:05 kleink Exp $"); +#endif /* not lint */ + +#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 /* __APPLE__ */ + +#include <sys/sysctl.h> +#include <sys/utsname.h> + +#ifdef __APPLE__ +#include <get_compat.h> +#else /* !__APPLE__ */ +#define COMPAT_MODE(a,b) (1) +#endif /* __APPLE__ */ + +int main __P((int, char **)); +static void usage __P((void)); + +/* Note that PRINT_MACHINE_ARCH is excluded from PRINT_ALL! */ +#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 /* !__APPLE__ */ + 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 /* __APPLE__ */ + 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(); + /* NOTREACHED */ + } + } + + if (optind != argc) { + usage(); + /* NOTREACHED */ + } + + if (!print_mask) { + print_mask = PRINT_SYSNAME; + } + + if (uname(&u) != 0) { + err(EXIT_FAILURE, "uname"); + /* NOTREACHED */ + } +#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 /* !__APPLE__ */ + +#ifdef __APPLE__ + /* + * Let's allow the user to override the output of uname via the shell environment. + * This is a useful feature for cross-compiling (eg. during an OS bringup). + * Otherwise, you have to hack your kernel with the desired strings. + */ + { + 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 /* __APPLE__ */ + + 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__) || defined(__arm64__) + fputs("arm", stdout); +#else + fputs("unknown", stdout); +#endif +#endif /* __APPLE__ */ + } + putchar('\n'); + + exit(EXIT_SUCCESS); + /* NOTREACHED */ +} + +static void +usage() +{ + fprintf(stderr, "usage: uname [-amnprsv]\n"); + exit(EXIT_FAILURE); +} |