diff options
Diffstat (limited to 'release/src/router/busybox/coreutils/uname.c')
| -rw-r--r-- | release/src/router/busybox/coreutils/uname.c | 178 |
1 files changed, 107 insertions, 71 deletions
diff --git a/release/src/router/busybox/coreutils/uname.c b/release/src/router/busybox/coreutils/uname.c index a3e52e39..33d026f1 100644 --- a/release/src/router/busybox/coreutils/uname.c +++ b/release/src/router/busybox/coreutils/uname.c @@ -1,118 +1,154 @@ /* vi: set sw=4 ts=4: */ /* uname -- print system information - Copyright (C) 1989-1999 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + * Copyright (C) 1989-1999 Free Software Foundation, Inc. + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ /* BB_AUDIT SUSv3 compliant */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/uname.html */ /* Option Example + * -s, --sysname SunOS + * -n, --nodename rocky8 + * -r, --release 4.0 + * -v, --version + * -m, --machine sun + * -a, --all SunOS rocky8 4.0 sun + * + * The default behavior is equivalent to '-s'. + * + * David MacKenzie <djm@gnu.ai.mit.edu> + * + * GNU coreutils 6.10: + * Option: struct Example(s): + * utsname + * field: + * -s, --kernel-name sysname Linux + * -n, --nodename nodename localhost.localdomain + * -r, --kernel-release release 2.6.29 + * -v, --kernel-version version #1 SMP Sun Jan 11 20:52:37 EST 2009 + * -m, --machine machine x86_64 i686 + * -p, --processor (none) x86_64 i686 + * -i, --hardware-platform (none) x86_64 i386 + * NB: vanilla coreutils reports "unknown" -p and -i, + * x86_64 and i686/i386 shown above are Fedora's inventions. + * -o, --operating-system (none) GNU/Linux + * -a, --all: all of the above, in the order shown. + * If -p or -i is not known, don't show them + */ - -s, --sysname SunOS - -n, --nodename rocky8 - -r, --release 4.0 - -v, --version - -m, --machine sun - -a, --all SunOS rocky8 4.0 sun - - The default behavior is equivalent to `-s'. - - David MacKenzie <djm@gnu.ai.mit.edu> */ - -/* Busyboxed by Erik Andersen */ - -/* Further size reductions by Glenn McGrath and Manuel Novoa III. */ - -/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) +/* Busyboxed by Erik Andersen * - * Now does proper error checking on i/o. Plus some further space savings. + * Before 2003: Glenn McGrath and Manuel Novoa III + * Further size reductions. + * Mar 16, 2003: Manuel Novoa III (mjn3@codepoet.org) + * Now does proper error checking on i/o. Plus some further space savings. + * Jan 2009: + * Fix handling of -a to not print "unknown", add -o and -i support. */ -#include <stdio.h> -#include <stdlib.h> -#include <stddef.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> #include <sys/utsname.h> -#include "busybox.h" +#include "libbb.h" typedef struct { struct utsname name; - char processor[8]; /* for "unknown" */ + char processor[sizeof(((struct utsname*)NULL)->machine)]; + char platform[sizeof(((struct utsname*)NULL)->machine)]; + char os[sizeof("GNU/Linux")]; } uname_info_t; -static const char options[] = "snrvmpa"; -static const unsigned short int utsname_offset[] = { - offsetof(uname_info_t,name.sysname), - offsetof(uname_info_t,name.nodename), - offsetof(uname_info_t,name.release), - offsetof(uname_info_t,name.version), - offsetof(uname_info_t,name.machine), - offsetof(uname_info_t,processor) +static const char options[] ALIGN1 = "snrvmpioa"; +static const unsigned short utsname_offset[] = { + offsetof(uname_info_t, name.sysname), /* -s */ + offsetof(uname_info_t, name.nodename), /* -n */ + offsetof(uname_info_t, name.release), /* -r */ + offsetof(uname_info_t, name.version), /* -v */ + offsetof(uname_info_t, name.machine), /* -m */ + offsetof(uname_info_t, processor), /* -p */ + offsetof(uname_info_t, platform), /* -i */ + offsetof(uname_info_t, os), /* -o */ }; -int uname_main(int argc, char **argv) +int uname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int uname_main(int argc UNUSED_PARAM, char **argv) { +#if ENABLE_GETOPT_LONG + static const char longopts[] ALIGN1 = + /* name, has_arg, val */ + "all\0" No_argument "a" + "kernel-name\0" No_argument "s" + "nodename\0" No_argument "n" + "kernel-release\0" No_argument "r" + "release\0" No_argument "r" + "kernel-version\0" No_argument "v" + "machine\0" No_argument "m" + "processor\0" No_argument "p" + "hardware-platform\0" No_argument "i" + "operating-system\0" No_argument "o" + ; +#endif uname_info_t uname_info; #if defined(__sparc__) && defined(__linux__) char *fake_sparc = getenv("FAKE_SPARC"); #endif - const unsigned short int *delta; - char toprint; + const char *unknown_str = "unknown"; + const char *fmt; + const unsigned short *delta; + unsigned toprint; - toprint = bb_getopt_ulflags(argc, argv, options); + USE_GETOPT_LONG(applet_long_options = longopts); + toprint = getopt32(argv, options); - if (argc != optind) { + if (argv[optind]) { /* coreutils-6.9 compat */ bb_show_usage(); } - if (toprint & (1 << 6)) { - toprint = 0x3f; + if (toprint & (1 << 8)) { /* -a => all opts on */ + toprint = (1 << 8) - 1; + unknown_str = ""; /* -a does not print unknown fields */ } - if (toprint == 0) { - toprint = 1; /* sysname */ + if (toprint == 0) { /* no opts => -s (sysname) */ + toprint = 1; } - if (uname(&uname_info.name) == -1) { - bb_error_msg_and_die("cannot get system name"); - } + uname(&uname_info.name); /* never fails */ #if defined(__sparc__) && defined(__linux__) - if ((fake_sparc != NULL) - && ((fake_sparc[0] == 'y') - || (fake_sparc[0] == 'Y'))) { + if (fake_sparc && (fake_sparc[0] | 0x20) == 'y') { strcpy(uname_info.name.machine, "sparc"); } #endif + strcpy(uname_info.processor, unknown_str); + strcpy(uname_info.platform, unknown_str); + strcpy(uname_info.os, "GNU/Linux"); +#if 0 + /* Fedora does something like this */ + strcpy(uname_info.processor, uname_info.name.machine); + strcpy(uname_info.platform, uname_info.name.machine); + if (uname_info.platform[0] == 'i' + && uname_info.platform[1] + && uname_info.platform[2] == '8' + && uname_info.platform[3] == '6' + ) { + uname_info.platform[1] = '3'; + } +#endif - strcpy(uname_info.processor, "unknown"); - - delta=utsname_offset; + delta = utsname_offset; + fmt = " %s" + 1; do { if (toprint & 1) { - bb_printf(((char *)(&uname_info)) + *delta); - if (toprint > 1) { - putchar(' '); + const char *p = (char *)(&uname_info) + *delta; + if (p[0]) { + printf(fmt, p); + fmt = " %s"; } } ++delta; } while (toprint >>= 1); - putchar('\n'); + bb_putchar('\n'); - bb_fflush_stdout_and_exit(EXIT_SUCCESS); + fflush_stdout_and_exit(EXIT_SUCCESS); /* coreutils-6.9 compat */ } |