diff options
Diffstat (limited to 'support/bashversion.c')
-rw-r--r-- | support/bashversion.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/support/bashversion.c b/support/bashversion.c new file mode 100644 index 0000000..abf1aa8 --- /dev/null +++ b/support/bashversion.c @@ -0,0 +1,145 @@ +/* bashversion.c -- Display bash version information. */ + +/* Copyright (C) 2001 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 2, 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; see the file COPYING. If not, write to the Free Software + Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + +#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; + +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); +} |