/* vi: set sw=4 ts=4: */
-/* uname -- print system information
+/*
+ * uname -- print system information
* Copyright (C) 1989-1999 Free Software Foundation, Inc.
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-
-/* 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> */
-
-/* Busyboxed by Erik Andersen */
-
-/* Further size reductions by Glenn McGrath and Manuel Novoa III. */
-
-/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ * -s, --sysname SunOS
+ * -n, --nodename rocky8
+ * -r, --release 4.0
+ * -v, --version
+ * -m, --machine sun
+ * -a, --all SunOS rocky8 4.0 sun
*
- * Now does proper error checking on i/o. Plus some further space savings.
+ * 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
*/
+/* Busyboxed by Erik Andersen
+ *
+ * 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.
+ */
+//config:config UNAME
+//config: bool "uname (3.9 kb)"
+//config: default y
+//config: help
+//config: uname is used to print system information.
+//config:
+//config:config UNAME_OSNAME
+//config: string "Operating system name"
+//config: default "GNU/Linux"
+//config: depends on UNAME
+//config: help
+//config: Sets the operating system name reported by uname -o. The
+//config: default is "GNU/Linux".
+//config:
+//can't use "ARCH" for this applet, all hell breaks loose in build system :)
+//config:config BB_ARCH
+//config: bool "arch (1.1 kb)"
+//config: default y
+//config: help
+//config: Same as uname -m.
+
+// APPLET_NOFORK:name main location suid_type help
+//applet:IF_UNAME(APPLET_NOFORK( uname, uname, BB_DIR_BIN, BB_SUID_DROP, uname))
+//applet:IF_BB_ARCH(APPLET_NOFORK(arch, uname, BB_DIR_BIN, BB_SUID_DROP, arch))
+
+//kbuild:lib-$(CONFIG_UNAME) += uname.o
+//kbuild:lib-$(CONFIG_BB_ARCH) += uname.o
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/uname.html */
+
+//usage:#define uname_trivial_usage
+//usage: "[-amnrspvio]"
+//usage:#define uname_full_usage "\n\n"
+//usage: "Print system information\n"
+//usage: "\n -a Print all"
+//usage: "\n -m The machine (hardware) type"
+//usage: "\n -n Hostname"
+//usage: "\n -r Kernel release"
+//usage: "\n -s Kernel name (default)"
+//usage: "\n -p Processor type"
+//usage: "\n -v Kernel version"
+//usage: "\n -i The hardware platform"
+//usage: "\n -o OS name"
+//usage:
+//usage:#define uname_example_usage
+//usage: "$ uname -a\n"
+//usage: "Linux debian 2.4.23 #2 Tue Dec 23 17:09:10 MST 2003 i686 GNU/Linux\n"
+
+//usage:#define arch_trivial_usage
+//usage: ""
+//usage:#define arch_full_usage "\n\n"
+//usage: "Print system architecture"
+
+#include "libbb.h"
+/* After libbb.h, since it needs sys/types.h on some systems */
#include <sys/utsname.h>
-#include "busybox.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(CONFIG_UNAME_OSNAME)];
} 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)
+#if ENABLE_UNAME
+#define options "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 */
};
+#endif
-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 UNUSED_PARAM)
{
uname_info_t uname_info;
-#if defined(__sparc__) && defined(__linux__)
- char *fake_sparc = getenv("FAKE_SPARC");
+ IF_UNAME(const char *unknown_str = "unknown";)
+#if ENABLE_UNAME
+ unsigned toprint = (1 << 4); /* "arch" = "uname -m" */
+
+ if (!ENABLE_BB_ARCH || applet_name[0] == 'u') {
+# if ENABLE_LONG_OPTS
+ static const char uname_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
+ toprint = getopt32long(argv, options, uname_longopts);
+ if (argv[optind]) { /* coreutils-6.9 compat */
+ bb_show_usage();
+ }
+ if (toprint & (1 << 8)) { /* -a => all opts on */
+ toprint = (1 << 8) - 1;
+ unknown_str = ""; /* -a does not print unknown fields */
+ }
+ if (toprint == 0) { /* no opts => -s (sysname) */
+ toprint = 1;
+ }
+ } /* if "uname" */
#endif
- const unsigned short int *delta;
- char toprint;
-
- toprint = bb_getopt_ulflags(argc, argv, options);
-
- if (argc != optind) {
- bb_show_usage();
- }
-
- if (toprint & (1 << 6)) {
- toprint = 0x3f;
- }
-
- if (toprint == 0) {
- toprint = 1; /* sysname */
- }
- 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'))) {
- strcpy(uname_info.name.machine, "sparc");
+ {
+ char *fake_sparc = getenv("FAKE_SPARC");
+ if (fake_sparc && (fake_sparc[0] | 0x20) == 'y') {
+ strcpy(uname_info.name.machine, "sparc");
+ }
}
#endif
-
- strcpy(uname_info.processor, "unknown");
-
- delta=utsname_offset;
- do {
- if (toprint & 1) {
- bb_printf(((char *)(&uname_info)) + *delta);
- if (toprint > 1) {
- putchar(' ');
- }
+ if (ENABLE_BB_ARCH && (!ENABLE_UNAME || applet_name[0] == 'a')) {
+ puts(uname_info.name.machine);
+ } else {
+#if ENABLE_UNAME
+ /* "uname" */
+ const char *fmt;
+ const unsigned short *delta;
+
+ strcpy(uname_info.processor, unknown_str);
+ strcpy(uname_info.platform, unknown_str);
+ strcpy(uname_info.os, CONFIG_UNAME_OSNAME);
+# if ENABLE_FEDORA_COMPAT
+ /* 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';
}
- ++delta;
- } while (toprint >>= 1);
- putchar('\n');
+# endif
+ delta = utsname_offset;
+ fmt = " %s" + 1;
+ do {
+ if (toprint & 1) {
+ const char *p = (char *)(&uname_info) + *delta;
+ if (p[0]) {
+ printf(fmt, p);
+ fmt = " %s";
+ }
+ }
+ ++delta;
+ } while (toprint >>= 1);
+ bb_putchar('\n');
+#endif
+ }
- bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+ fflush_stdout_and_exit(EXIT_SUCCESS); /* coreutils-6.9 compat */
}
projects / oweals / busybox.git / blobdiff