X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Flong-options.c;h=fb61661aacbbe58a59a62068953bfb26a2aa9b45;hb=fe0f080532b2357794d4e25d66a35f4aedc4f93a;hp=c1071bfaf725d6b4778886623bc7c11aa084ffd5;hpb=de20ab0a2c7a38fa0109e1e9a5a729e4fa6c0313;p=gnulib.git diff --git a/lib/long-options.c b/lib/long-options.c index c1071bfaf..fb61661aa 100644 --- a/lib/long-options.c +++ b/lib/long-options.c @@ -1,5 +1,7 @@ /* Utility to accept --help and --version options as unobtrusively as possible. - Copyright (C) 1993, 1994 Free Software Foundation, Inc. + + Copyright (C) 1993, 1994, 1998, 1999, 2000, 2002, 2003, 2004, 2005, + 2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -12,59 +14,66 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -/* Jim Meyering (meyering@comco.com) */ +/* Written by Jim Meyering. */ -#ifdef HAVE_CONFIG_H #include -#endif +/* Specification. */ +#include "long-options.h" + +#include #include +#include #include -#include "long-options.h" + +#include "version-etc.h" static struct option const long_options[] = { - {"help", no_argument, 0, 'h'}, - {"version", no_argument, 0, 'v'}, - {0, 0, 0, 0} + {"help", no_argument, NULL, 'h'}, + {"version", no_argument, NULL, 'v'}, + {NULL, 0, NULL, 0} }; /* Process long options --help and --version, but only if argc == 2. Be careful not to gobble up `--'. */ void -parse_long_options (argc, argv, command_name, version_string, usage) - int argc; - char **argv; - const char *command_name; - const char *version_string; - void (*usage)(); +parse_long_options (int argc, + char **argv, + const char *command_name, + const char *package, + const char *version, + void (*usage_func) (int), + /* const char *author1, ...*/ ...) { int c; int saved_opterr; - int saved_optind; saved_opterr = opterr; - saved_optind = optind; /* Don't print an error message for unrecognized options. */ opterr = 0; if (argc == 2 - && (c = getopt_long (argc, argv, "+", long_options, (int *) 0)) != EOF) + && (c = getopt_long (argc, argv, "+", long_options, NULL)) != -1) { switch (c) { case 'h': - (*usage) (0); + (*usage_func) (EXIT_SUCCESS); case 'v': - printf ("%s - %s\n", command_name, version_string); - exit (0); - + { + va_list authors; + va_start (authors, usage_func); + version_etc_va (stdout, command_name, package, version, authors); + exit (0); + } + default: /* Don't process any other long-named options. */ break; @@ -74,6 +83,7 @@ parse_long_options (argc, argv, command_name, version_string, usage) /* Restore previous value. */ opterr = saved_opterr; - /* Restore optind in case it has advanced past a leading `--'. */ - optind = saved_optind; + /* Reset this to zero so that getopt internals get initialized from + the probably-new parameters when/if getopt is called later. */ + optind = 0; }