148 lines
2.9 KiB
C
148 lines
2.9 KiB
C
/* bashversion.c -- Display bash version information. */
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash 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 3 of the License, or
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(at your option) any later version.
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Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "stdc.h"
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#include <stdio.h>
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#if defined (HAVE_UNISTD_H)
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# include <unistd.h>
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#endif
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#include "bashansi.h"
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#include "version.h"
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#include "conftypes.h"
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#define RFLAG 0x0001
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#define VFLAG 0x0002
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#define MFLAG 0x0004
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#define PFLAG 0x0008
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#define SFLAG 0x0010
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#define LFLAG 0x0020
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#define XFLAG 0x0040
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extern int optind;
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extern char *optarg;
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extern char *dist_version;
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extern int patch_level;
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extern char *shell_version_string __P((void));
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extern void show_shell_version __P((int));
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char *shell_name = "bash";
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char *progname;
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static void
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usage()
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{
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fprintf(stderr, "%s: usage: %s [-hrvpmlsx]\n", progname, progname);
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}
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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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int opt, oflags;
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char dv[128], *rv;
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if (progname = strrchr (argv[0], '/'))
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progname++;
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else
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progname = argv[0];
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oflags = 0;
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while ((opt = getopt(argc, argv, "hrvmpslx")) != EOF)
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{
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switch (opt)
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{
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case 'h':
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usage ();
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exit (0);
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case 'r':
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oflags |= RFLAG; /* release */
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break;
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case 'v':
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oflags |= VFLAG; /* version */
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break;
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case 'm':
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oflags |= MFLAG; /* machtype */
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break;
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case 'p':
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oflags |= PFLAG; /* patchlevel */
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break;
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case 's': /* short version string */
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oflags |= SFLAG;
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break;
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case 'l': /* long version string */
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oflags |= LFLAG;
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break;
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case 'x': /* extended version information */
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oflags |= XFLAG;
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break;
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default:
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usage ();
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exit (2);
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}
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}
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argc -= optind;
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argv += optind;
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if (argc > 0)
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{
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usage ();
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exit (2);
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}
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/* default behavior */
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if (oflags == 0)
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oflags = SFLAG;
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if (oflags & (RFLAG|VFLAG))
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{
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strcpy (dv, dist_version);
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rv = strchr (dv, '.');
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if (rv)
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*rv++ = '\0';
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else
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rv = "00";
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}
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if (oflags & RFLAG)
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printf ("%s\n", dv);
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else if (oflags & VFLAG)
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printf ("%s\n", rv);
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else if (oflags & MFLAG)
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printf ("%s\n", MACHTYPE);
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else if (oflags & PFLAG)
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printf ("%d\n", patch_level);
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else if (oflags & SFLAG)
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printf ("%s\n", shell_version_string ());
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else if (oflags & LFLAG)
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show_shell_version (0);
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else if (oflags & XFLAG)
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show_shell_version (1);
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exit (0);
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}
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