155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/* vi: set sw=4 ts=4: */
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/* uname -- print system information
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Copyright (C) 1989-1999 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Option Example
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-s, --sysname SunOS
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-n, --nodename rocky8
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-r, --release 4.0
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-v, --version
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-m, --machine sun
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-a, --all SunOS rocky8 4.0 sun
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The default behavior is equivalent to `-s'.
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David MacKenzie <djm@gnu.ai.mit.edu> */
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/* Busyboxed by Erik Andersen */
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#include "busybox.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/utsname.h>
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#if defined (HAVE_SYSINFO) && defined (HAVE_SYS_SYSTEMINFO_H)
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# include <sys/systeminfo.h>
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#endif
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static void print_element(unsigned int mask, char *element);
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/* Values that are bitwise or'd into `toprint'. */
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/* Operating system name. */
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#define PRINT_SYSNAME 1
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/* Node name on a communications network. */
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#define PRINT_NODENAME 2
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/* Operating system release. */
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#define PRINT_RELEASE 4
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/* Operating system version. */
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#define PRINT_VERSION 8
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/* Machine hardware name. */
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#define PRINT_MACHINE 16
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/* Host processor type. */
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#define PRINT_PROCESSOR 32
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/* Mask indicating which elements of the name to print. */
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static unsigned char toprint;
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int uname_main(int argc, char **argv)
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{
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struct utsname name;
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char processor[256];
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#if defined(__sparc__) && defined(__linux__)
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char *fake_sparc = getenv("FAKE_SPARC");
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#endif
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toprint = 0;
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/* Parse any options */
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//fprintf(stderr, "argc=%d, argv=%s\n", argc, *argv);
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while (--argc > 0 && **(++argv) == '-') {
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while (*(++(*argv))) {
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switch (**argv) {
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case 's':
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toprint |= PRINT_SYSNAME;
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break;
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case 'n':
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toprint |= PRINT_NODENAME;
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break;
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case 'r':
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toprint |= PRINT_RELEASE;
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break;
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case 'v':
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toprint |= PRINT_VERSION;
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break;
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case 'm':
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toprint |= PRINT_MACHINE;
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break;
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case 'p':
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toprint |= PRINT_PROCESSOR;
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break;
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case 'a':
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toprint = (PRINT_SYSNAME | PRINT_NODENAME | PRINT_RELEASE |
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PRINT_PROCESSOR | PRINT_VERSION |
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PRINT_MACHINE);
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break;
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default:
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usage(uname_usage);
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}
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}
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}
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if (toprint == 0)
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toprint = PRINT_SYSNAME;
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if (uname(&name) == -1)
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perror("cannot get system name");
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#if defined (HAVE_SYSINFO) && defined (SI_ARCHITECTURE)
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if (sysinfo(SI_ARCHITECTURE, processor, sizeof(processor)) == -1)
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perror("cannot get processor type");
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}
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#else
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strcpy(processor, "unknown");
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#endif
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#if defined(__sparc__) && defined(__linux__)
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if (fake_sparc != NULL
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&& (fake_sparc[0] == 'y'
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|| fake_sparc[0] == 'Y')) strcpy(name.machine, "sparc");
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#endif
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print_element(PRINT_SYSNAME, name.sysname);
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print_element(PRINT_NODENAME, name.nodename);
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print_element(PRINT_RELEASE, name.release);
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print_element(PRINT_VERSION, name.version);
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print_element(PRINT_MACHINE, name.machine);
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print_element(PRINT_PROCESSOR, processor);
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return EXIT_SUCCESS;
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}
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/* If the name element set in MASK is selected for printing in `toprint',
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print ELEMENT; then print a space unless it is the last element to
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be printed, in which case print a newline. */
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static void print_element(unsigned int mask, char *element)
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{
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if (toprint & mask) {
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toprint &= ~mask;
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printf("%s%c", element, toprint ? ' ' : '\n');
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}
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}
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