+++ /dev/null
-/*****************************************************************************
-* getopt.c - competent and free getopt library.
-* $Header: /cvsroot/freegetopt/freegetopt/getopt.c,v 1.2 2003/10/26 03:10:20 vindaci Exp $
-*
-* Copyright (c)2002-2003 Mark K. Kim
-* All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions
-* are met:
-*
-* * Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-*
-* * Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in
-* the documentation and/or other materials provided with the
-* distribution.
-*
-* * Neither the original author of this software nor the names of its
-* contributors may be used to endorse or promote products derived
-* from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
-* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
-* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
-* DAMAGE.
-*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "getopt.h"
-
-
-static const char* ID = "$Id: getopt.c 5170 2007-07-13 13:33:34Z kerns $";
-
-
-char* optarg = NULL;
-int optind = 0;
-int opterr = 1;
-int optopt = '?';
-
-
-static char** prev_argv = NULL; /* Keep a copy of argv and argc to */
-static int prev_argc = 0; /* tell if getopt params change */
-static int argv_index = 0; /* Option we're checking */
-static int argv_index2 = 0; /* Option argument we're checking */
-static int opt_offset = 0; /* Index into compounded "-option" */
-static int dashdash = 0; /* True if "--" option reached */
-static int nonopt = 0; /* How many nonopts we've found */
-
-static void increment_index()
-{
- /* Move onto the next option */
- if(argv_index < argv_index2)
- {
- while(prev_argv[++argv_index] && prev_argv[argv_index][0] != '-'
- && argv_index < argv_index2+1);
- }
- else argv_index++;
- opt_offset = 1;
-}
-
-
-/*
-* Permutes argv[] so that the argument currently being processed is moved
-* to the end.
-*/
-static int permute_argv_once()
-{
- /* Movability check */
- if(argv_index + nonopt >= prev_argc) return 1;
- /* Move the current option to the end, bring the others to front */
- else
- {
- char* tmp = prev_argv[argv_index];
-
- /* Move the data */
- memmove(&prev_argv[argv_index], &prev_argv[argv_index+1],
- sizeof(char**) * (prev_argc - argv_index - 1));
- prev_argv[prev_argc - 1] = tmp;
-
- nonopt++;
- return 0;
- }
-}
-
-
-int getopt(int argc, char *const *argv, const char *optstr)
-{
- int c = 0;
-
- /* If we have new argv, reinitialize */
- if(prev_argv != argv || prev_argc != argc)
- {
- /* Initialize variables */
- prev_argv = argv;
- prev_argc = argc;
- argv_index = 1;
- argv_index2 = 1;
- opt_offset = 1;
- dashdash = 0;
- nonopt = 0;
- }
-
- /* Jump point in case we want to ignore the current argv_index */
- getopt_top:
-
- /* Misc. initializations */
- optarg = NULL;
-
- /* Dash-dash check */
- if(argv[argv_index] && !strcmp(argv[argv_index], "--"))
- {
- dashdash = 1;
- increment_index();
- }
-
- /* If we're at the end of argv, that's it. */
- if(argv[argv_index] == NULL)
- {
- c = -1;
- }
- /* Are we looking at a string? Single dash is also a string */
- else if(dashdash || argv[argv_index][0] != '-' || !strcmp(argv[argv_index], "-"))
- {
- /* If we want a string... */
- if(optstr[0] == '-')
- {
- c = 1;
- optarg = argv[argv_index];
- increment_index();
- }
- /* If we really don't want it (we're in POSIX mode), we're done */
- else if(optstr[0] == '+' || getenv("POSIXLY_CORRECT"))
- {
- c = -1;
-
- /* Everything else is a non-opt argument */
- nonopt = argc - argv_index;
- }
- /* If we mildly don't want it, then move it back */
- else
- {
- if(!permute_argv_once()) goto getopt_top;
- else c = -1;
- }
- }
- /* Otherwise we're looking at an option */
- else
- {
- char* opt_ptr = NULL;
-
- /* Grab the option */
- c = argv[argv_index][opt_offset++];
-
- /* Is the option in the optstr? */
- if(optstr[0] == '-') opt_ptr = strchr(optstr+1, c);
- else opt_ptr = strchr(optstr, c);
- /* Invalid argument */
- if(!opt_ptr)
- {
- if(opterr)
- {
- fprintf(stderr, "%s: invalid option -- %c\n", argv[0], c);
- }
-
- optopt = c;
- c = '?';
-
- /* Move onto the next option */
- increment_index();
- }
- /* Option takes argument */
- else if(opt_ptr[1] == ':')
- {
- /* ie, -oARGUMENT, -xxxoARGUMENT, etc. */
- if(argv[argv_index][opt_offset] != '\0')
- {
- optarg = &argv[argv_index][opt_offset];
- increment_index();
- }
- /* ie, -o ARGUMENT (only if it's a required argument) */
- else if(opt_ptr[2] != ':')
- {
- /* One of those "you're not expected to understand this" moment */
- if(argv_index2 < argv_index) argv_index2 = argv_index;
- while(argv[++argv_index2] && argv[argv_index2][0] == '-');
- optarg = argv[argv_index2];
-
- /* Don't cross into the non-option argument list */
- if(argv_index2 + nonopt >= prev_argc) optarg = NULL;
-
- /* Move onto the next option */
- increment_index();
- }
- else
- {
- /* Move onto the next option */
- increment_index();
- }
-
- /* In case we got no argument for an option with required argument */
- if(optarg == NULL && opt_ptr[2] != ':')
- {
- optopt = c;
- c = '?';
-
- if(opterr)
- {
- fprintf(stderr,"%s: option requires an argument -- %c\n",
- argv[0], optopt);
- }
- }
- }
- /* Option does not take argument */
- else
- {
- /* Next argv_index */
- if(argv[argv_index][opt_offset] == '\0')
- {
- increment_index();
- }
- }
- }
-
- /* Calculate optind */
- if(c == -1)
- {
- optind = argc - nonopt;
- }
- else
- {
- optind = argv_index;
- }
-
- return c;
-}
-
-
-/* vim:ts=3
-*/
+++ /dev/null
-/*****************************************************************************
-* getopt.h - competent and free getopt library.
-* $Header: /cvsroot/freegetopt/freegetopt/getopt.h,v 1.2 2003/10/26 03:10:20 vindaci Exp $
-*
-* Copyright (c)2002-2003 Mark K. Kim
-* All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions
-* are met:
-*
-* * Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-*
-* * Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in
-* the documentation and/or other materials provided with the
-* distribution.
-*
-* * Neither the original author of this software nor the names of its
-* contributors may be used to endorse or promote products derived
-* from this software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
-* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
-* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
-* DAMAGE.
-*/
-#ifndef GETOPT_H_
-#define GETOPT_H_
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-extern char* optarg;
-extern int optind;
-extern int opterr;
-extern int optopt;
-
-extern int getopt(int argc, char *const *argv, const char *optstr);
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* GETOPT_H_ */
-
-
-/* vim:ts=3
-*/
projects / bacula / bacula / commitdiff