mirror of https://github.com/n-hys/bash.git
149 lines
2.9 KiB
C
149 lines
2.9 KiB
C
/* bashversion.c -- Display bash version information. */
|
|
|
|
/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Bash, the Bourne Again SHell.
|
|
|
|
Bash 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "stdc.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#if defined (HAVE_UNISTD_H)
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include "bashansi.h"
|
|
|
|
#include "version.h"
|
|
#include "conftypes.h"
|
|
|
|
#define RFLAG 0x0001
|
|
#define VFLAG 0x0002
|
|
#define MFLAG 0x0004
|
|
#define PFLAG 0x0008
|
|
#define SFLAG 0x0010
|
|
#define LFLAG 0x0020
|
|
#define XFLAG 0x0040
|
|
|
|
extern int optind;
|
|
extern char *optarg;
|
|
|
|
extern char *dist_version;
|
|
extern int patch_level;
|
|
|
|
extern char *shell_version_string PARAMS((void));
|
|
extern void show_shell_version PARAMS((int));
|
|
|
|
char *shell_name = "bash";
|
|
char *progname;
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "%s: usage: %s [-hrvpmlsx]\n", progname, progname);
|
|
}
|
|
|
|
int
|
|
main (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int opt, oflags;
|
|
char dv[128], *rv;
|
|
|
|
if (progname = strrchr (argv[0], '/'))
|
|
progname++;
|
|
else
|
|
progname = argv[0];
|
|
|
|
oflags = 0;
|
|
while ((opt = getopt(argc, argv, "hrvmpslx")) != EOF)
|
|
{
|
|
switch (opt)
|
|
{
|
|
case 'h':
|
|
usage ();
|
|
exit (0);
|
|
case 'r':
|
|
oflags |= RFLAG; /* release */
|
|
break;
|
|
case 'v':
|
|
oflags |= VFLAG; /* version */
|
|
break;
|
|
case 'm':
|
|
oflags |= MFLAG; /* machtype */
|
|
break;
|
|
case 'p':
|
|
oflags |= PFLAG; /* patchlevel */
|
|
break;
|
|
case 's': /* short version string */
|
|
oflags |= SFLAG;
|
|
break;
|
|
case 'l': /* long version string */
|
|
oflags |= LFLAG;
|
|
break;
|
|
case 'x': /* extended version information */
|
|
oflags |= XFLAG;
|
|
break;
|
|
default:
|
|
usage ();
|
|
exit (2);
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 0)
|
|
{
|
|
usage ();
|
|
exit (2);
|
|
}
|
|
|
|
/* default behavior */
|
|
if (oflags == 0)
|
|
oflags = SFLAG;
|
|
|
|
if (oflags & (RFLAG|VFLAG))
|
|
{
|
|
strcpy (dv, dist_version);
|
|
rv = strchr (dv, '.');
|
|
if (rv)
|
|
*rv++ = '\0';
|
|
else
|
|
rv = "00";
|
|
}
|
|
if (oflags & RFLAG)
|
|
printf ("%s\n", dv);
|
|
else if (oflags & VFLAG)
|
|
printf ("%s\n", rv);
|
|
else if (oflags & MFLAG)
|
|
printf ("%s\n", MACHTYPE);
|
|
else if (oflags & PFLAG)
|
|
printf ("%d\n", patch_level);
|
|
else if (oflags & SFLAG)
|
|
printf ("%s\n", shell_version_string ());
|
|
else if (oflags & LFLAG)
|
|
show_shell_version (0);
|
|
else if (oflags & XFLAG)
|
|
show_shell_version (1);
|
|
|
|
exit (0);
|
|
}
|