mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 04:54:35 +00:00
Moved Free Getopt files to support directory.
This commit is contained in:
Camilla Berglund
parent
2f095cc9e3
commit
5bbac6fe69
@ -12,6 +12,9 @@ include_directories(${GLFW_SOURCE_DIR}/include
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${GLFW_SOURCE_DIR}/support
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${OPENGL_INCLUDE_DIR})
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set(GETOPT ${GLFW_SOURCE_DIR}/support/getopt.h
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${GLFW_SOURCE_DIR}/support/getopt.c)
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if (APPLE)
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# Set fancy names for bundles
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add_executable(Boing MACOSX_BUNDLE boing.c)
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@ -29,7 +32,7 @@ else()
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# Set boring names for executables
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add_executable(boing WIN32 boing.c)
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add_executable(gears WIN32 gears.c)
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add_executable(heightmap WIN32 heightmap.c getopt.c)
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add_executable(heightmap WIN32 heightmap.c ${GETOPT})
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add_executable(splitview WIN32 splitview.c)
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add_executable(triangle WIN32 triangle.c)
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add_executable(wave WIN32 wave.c)
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@ -1,259 +0,0 @@
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/*****************************************************************************
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* getopt.c - competent and free getopt library.
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* $Header: /cvsroot/freegetopt/freegetopt/getopt.c,v 1.2 2003/10/26 03:10:20 vindaci Exp $
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*
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* Copyright (c)2002-2003 Mark K. Kim
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the original author of this software nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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#define _CRT_SECURE_NO_WARNINGS
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "getopt.h"
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/* 2011-07-27 Camilla Berglund <elmindreda@elmindreda.org>
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*
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* Added _CRT_SECURE_NO_WARNINGS macro.
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*/
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/* 2009-10-12 Camilla Berglund <elmindreda@elmindreda.org>
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*
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* Removed unused global static variable 'ID'.
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*/
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char* optarg = NULL;
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int optind = 0;
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int opterr = 1;
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int optopt = '?';
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static char** prev_argv = NULL; /* Keep a copy of argv and argc to */
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static int prev_argc = 0; /* tell if getopt params change */
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static int argv_index = 0; /* Option we're checking */
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static int argv_index2 = 0; /* Option argument we're checking */
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static int opt_offset = 0; /* Index into compounded "-option" */
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static int dashdash = 0; /* True if "--" option reached */
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static int nonopt = 0; /* How many nonopts we've found */
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static void increment_index()
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{
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/* Move onto the next option */
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if(argv_index < argv_index2)
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{
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while(prev_argv[++argv_index] && prev_argv[argv_index][0] != '-'
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&& argv_index < argv_index2+1);
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}
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else argv_index++;
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opt_offset = 1;
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}
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/*
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* Permutes argv[] so that the argument currently being processed is moved
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* to the end.
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*/
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static int permute_argv_once()
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{
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/* Movability check */
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if(argv_index + nonopt >= prev_argc) return 1;
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/* Move the current option to the end, bring the others to front */
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else
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{
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char* tmp = prev_argv[argv_index];
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/* Move the data */
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memmove(&prev_argv[argv_index], &prev_argv[argv_index+1],
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sizeof(char**) * (prev_argc - argv_index - 1));
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prev_argv[prev_argc - 1] = tmp;
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nonopt++;
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return 0;
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}
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}
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int getopt(int argc, char** argv, char* optstr)
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{
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int c = 0;
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/* If we have new argv, reinitialize */
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if(prev_argv != argv || prev_argc != argc)
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{
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/* Initialize variables */
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prev_argv = argv;
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prev_argc = argc;
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argv_index = 1;
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argv_index2 = 1;
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opt_offset = 1;
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dashdash = 0;
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nonopt = 0;
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}
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/* Jump point in case we want to ignore the current argv_index */
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getopt_top:
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/* Misc. initializations */
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optarg = NULL;
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/* Dash-dash check */
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if(argv[argv_index] && !strcmp(argv[argv_index], "--"))
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{
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dashdash = 1;
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increment_index();
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}
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/* If we're at the end of argv, that's it. */
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if(argv[argv_index] == NULL)
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{
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c = -1;
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}
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/* Are we looking at a string? Single dash is also a string */
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else if(dashdash || argv[argv_index][0] != '-' || !strcmp(argv[argv_index], "-"))
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{
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/* If we want a string... */
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if(optstr[0] == '-')
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{
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c = 1;
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optarg = argv[argv_index];
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increment_index();
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}
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/* If we really don't want it (we're in POSIX mode), we're done */
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else if(optstr[0] == '+' || getenv("POSIXLY_CORRECT"))
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{
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c = -1;
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/* Everything else is a non-opt argument */
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nonopt = argc - argv_index;
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}
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/* If we mildly don't want it, then move it back */
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else
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{
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if(!permute_argv_once()) goto getopt_top;
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else c = -1;
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}
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}
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/* Otherwise we're looking at an option */
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else
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{
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char* opt_ptr = NULL;
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/* Grab the option */
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c = argv[argv_index][opt_offset++];
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/* Is the option in the optstr? */
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if(optstr[0] == '-') opt_ptr = strchr(optstr+1, c);
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else opt_ptr = strchr(optstr, c);
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/* Invalid argument */
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if(!opt_ptr)
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{
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if(opterr)
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{
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fprintf(stderr, "%s: invalid option -- %c\n", argv[0], c);
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}
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optopt = c;
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c = '?';
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/* Move onto the next option */
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increment_index();
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}
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/* Option takes argument */
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else if(opt_ptr[1] == ':')
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{
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/* ie, -oARGUMENT, -xxxoARGUMENT, etc. */
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if(argv[argv_index][opt_offset] != '\0')
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{
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optarg = &argv[argv_index][opt_offset];
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increment_index();
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}
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/* ie, -o ARGUMENT (only if it's a required argument) */
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else if(opt_ptr[2] != ':')
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{
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/* One of those "you're not expected to understand this" moment */
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if(argv_index2 < argv_index) argv_index2 = argv_index;
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while(argv[++argv_index2] && argv[argv_index2][0] == '-');
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optarg = argv[argv_index2];
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/* Don't cross into the non-option argument list */
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if(argv_index2 + nonopt >= prev_argc) optarg = NULL;
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/* Move onto the next option */
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increment_index();
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}
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else
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{
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/* Move onto the next option */
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increment_index();
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}
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/* In case we got no argument for an option with required argument */
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if(optarg == NULL && opt_ptr[2] != ':')
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{
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optopt = c;
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c = '?';
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if(opterr)
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{
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fprintf(stderr,"%s: option requires an argument -- %c\n",
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argv[0], optopt);
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}
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}
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}
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/* Option does not take argument */
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else
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{
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/* Next argv_index */
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if(argv[argv_index][opt_offset] == '\0')
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{
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increment_index();
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}
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}
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}
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/* Calculate optind */
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if(c == -1)
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{
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optind = argc - nonopt;
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}
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else
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{
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optind = argv_index;
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}
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return c;
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}
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/* vim:ts=3
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*/
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@ -12,16 +12,19 @@ include_directories(${GLFW_SOURCE_DIR}/include
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${GLFW_SOURCE_DIR}/support
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${OPENGL_INCLUDE_DIR})
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add_executable(clipboard clipboard.c getopt.c)
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set(GETOPT ${GLFW_SOURCE_DIR}/support/getopt.h
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${GLFW_SOURCE_DIR}/support/getopt.c)
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add_executable(clipboard clipboard.c ${GETOPT})
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add_executable(defaults defaults.c)
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add_executable(events events.c)
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add_executable(fsaa fsaa.c getopt.c)
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add_executable(fsaa fsaa.c ${GETOPT})
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add_executable(fsfocus fsfocus.c)
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add_executable(gamma gamma.c getopt.c)
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add_executable(glfwinfo glfwinfo.c getopt.c)
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add_executable(iconify iconify.c getopt.c)
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add_executable(gamma gamma.c ${GETOPT})
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add_executable(glfwinfo glfwinfo.c ${GETOPT})
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add_executable(iconify iconify.c ${GETOPT})
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add_executable(joysticks joysticks.c)
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add_executable(modes modes.c getopt.c)
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add_executable(modes modes.c ${GETOPT})
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add_executable(peter peter.c)
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add_executable(reopen reopen.c)
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@ -1,63 +0,0 @@
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/*****************************************************************************
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* getopt.h - competent and free getopt library.
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* $Header: /cvsroot/freegetopt/freegetopt/getopt.h,v 1.2 2003/10/26 03:10:20 vindaci Exp $
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*
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* Copyright (c)2002-2003 Mark K. Kim
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the original author of this software nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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#ifndef GETOPT_H_
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#define GETOPT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern char* optarg;
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extern int optind;
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extern int opterr;
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extern int optopt;
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int getopt(int argc, char** argv, char* optstr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GETOPT_H_ */
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/* vim:ts=3
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*/
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