没有getopt.h怎么办？自己添加一个！

getopt.h怎么办？自己添加一个！"/>

没有getopt.h怎么办？自己添加一个！

没有getopt怎么办？自己添加一个！
使用VS时，VC编译器没有getopt.h，可以自己添加一个。

#ifndef __GETOPT_H__
/*** DISCLAIMER* This file is part of the mingw-w64 runtime package.** The mingw-w64 runtime package and its code is distributed in the hope that it * will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR * IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.*//** Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan>** Permission to use, copy, modify, and distribute this software for any* purpose with or without fee is hereby granted, provided that the above* copyright notice and this permission notice appear in all copies.** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.** Sponsored in part by the Defense Advanced Research Projects* Agency (DARPA) and Air Force Research Laboratory, Air Force* Materiel Command, USAF, under agreement number F39502-99-1-0512.*/
/*-* Copyright (c) 2000 The NetBSD Foundation, Inc.* All rights reserved.** This code is derived from software contributed to The NetBSD Foundation* by Dieter Baron and Thomas Klausner.** Redistribution and use in source and binary forms, with or without* modification, are permitted provided that the following conditions* are met:* 1. Redistributions of source code must retain the above copyright*    notice, this list of conditions and the following disclaimer.* 2. 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.** THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.*/#pragma warning(disable:4996);#define __GETOPT_H__/* All the headers include this file. */
#include <crtdefs.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <windows.h>#ifdef __cplusplus
extern "C" {
#endif#define	REPLACE_GETOPT		/* use this getopt as the system getopt(3) */#ifdef REPLACE_GETOPT
int	opterr = 1;		/* if error message should be printed */
int	optind = 1;		/* index into parent argv vector */
int	optopt = '?';		/* character checked for validity */
#undef	optreset		/* see getopt.h */
#define	optreset		__mingw_optreset
int	optreset;		/* reset getopt */
char    *optarg;		/* argument associated with option */
#endif//extern int optind;		/* index of first non-option in argv      */
//extern int optopt;		/* single option character, as parsed     */
//extern int opterr;		/* flag to enable built-in diagnostics... */
//				/* (user may set to zero, to suppress)    */
//
//extern char *optarg;		/* pointer to argument of current option  */#define PRINT_ERROR	((opterr) && (*options != ':'))#define FLAG_PERMUTE	0x01	/* permute non-options to the end of argv */
#define FLAG_ALLARGS	0x02	/* treat non-options as args to option "-1" */
#define FLAG_LONGONLY	0x04	/* operate as getopt_long_only *//* return values */
#define	BADCH		(int)'?'
#define	BADARG		((*options == ':') ? (int)':' : (int)'?')
#define	INORDER 	(int)1#ifndef __CYGWIN__
#define __progname __argv[0]
#else
extern char __declspec(dllimport) *__progname;
#endif#ifdef __CYGWIN__
static char EMSG[] = "";
#else
#define	EMSG		""
#endifstatic int getopt_internal(int, char * const *, const char *,const struct option *, int *, int);
static int parse_long_options(char * const *, const char *,const struct option *, int *, int);
//static int
//parse_long_options(char* const* nargv, const char* options,
//	const struct option* long_options, int* idx, int short_too);
//static int
//getopt_internal(int nargc, char* const* nargv, const char* options,
//	const struct option* long_options, int* idx, int flags);static int gcd(int, int);
static void permute_args(int, int, int, char * const *);static char *place = EMSG; /* option letter processing *//* XXX: set optreset to 1 rather than these two */
static int nonopt_start = -1; /* first non option argument (for permute) */
static int nonopt_end = -1;   /* first option after non options (for permute) *//* Error messages */
static const char recargchar[] = "option requires an argument -- %c";
static const char recargstring[] = "option requires an argument -- %s";
static const char ambig[] = "ambiguous option -- %.*s";
static const char noarg[] = "option doesn't take an argument -- %.*s";
static const char illoptchar[] = "unknown option -- %c";
static const char illoptstring[] = "unknown option -- %s";static void
_vwarnx(const char *fmt,va_list ap)
{(void)fprintf(stderr,"%s: ",__progname);if (fmt != NULL)(void)vfprintf(stderr,fmt,ap);(void)fprintf(stderr,"\n");
}static void
warnx(const char *fmt,...)
{va_list ap;va_start(ap,fmt);_vwarnx(fmt,ap);va_end(ap);
}/** Compute the greatest common divisor of a and b.*/
static int
gcd(int a, int b)
{int c;c = a % b;while (c != 0) {a = b;b = c;c = a % b;}return (b);
}/** Exchange the block from nonopt_start to nonopt_end with the block* from nonopt_end to opt_end (keeping the same order of arguments* in each block).*/
static void
permute_args(int panonopt_start, int panonopt_end, int opt_end,char * const *nargv)
{int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;char *swap;/** compute lengths of blocks and number and size of cycles*/nnonopts = panonopt_end - panonopt_start;nopts = opt_end - panonopt_end;ncycle = gcd(nnonopts, nopts);cyclelen = (opt_end - panonopt_start) / ncycle;for (i = 0; i < ncycle; i++) {cstart = panonopt_end+i;pos = cstart;for (j = 0; j < cyclelen; j++) {if (pos >= panonopt_end)pos -= nnonopts;elsepos += nopts;swap = nargv[pos];/* LINTED const cast */((char **) nargv)[pos] = nargv[cstart];/* LINTED const cast */((char **)nargv)[cstart] = swap;}}
}#ifdef REPLACE_GETOPT
/** getopt --*	Parse argc/argv argument vector.** [eventually this will replace the BSD getopt]*/
int
getopt(int nargc, char * const *nargv, const char *options)
{/** We don't pass FLAG_PERMUTE to getopt_internal() since* the BSD getopt(3) (unlike GNU) has never done this.** Furthermore, since many privileged programs call getopt()* before dropping privileges it makes sense to keep things* as simple (and bug-free) as possible.*/return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
}
#endif /* REPLACE_GETOPT *///extern int getopt(int nargc, char * const *nargv, const char *options);#ifdef _BSD_SOURCE
/** BSD adds the non-standard `optreset' feature, for reinitialisation* of `getopt' parsing.  We support this feature, for applications which* proclaim their BSD heritage, before including this header; however,* to maintain portability, developers are advised to avoid it.*/
# define optreset  __mingw_optreset
extern int optreset;
#endif
#ifdef __cplusplus
}
#endif
/** POSIX requires the `getopt' API to be specified in `unistd.h';* thus, `unistd.h' includes this header.  However, we do not want* to expose the `getopt_long' or `getopt_long_only' APIs, when* included in this manner.  Thus, close the standard __GETOPT_H__* declarations block, and open an additional __GETOPT_LONG_H__* specific block, only when *not* __UNISTD_H_SOURCED__, in which* to declare the extended API.*/
#endif /* !defined(__GETOPT_H__) */#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
#define __GETOPT_LONG_H__#ifdef __cplusplus
extern "C" {
#endifstruct option		/* specification for a long form option...	*/
{const char *name;		/* option name, without leading hyphens */int         has_arg;		/* does it take an argument?		*/int        *flag;		/* where to save its status, or NULL	*/int         val;		/* its associated status value		*/
};enum    		/* permitted values for its `has_arg' field...	*/
{no_argument = 0,      	/* option never takes an argument	*/required_argument,		/* option always requires an argument	*/optional_argument		/* option may take an argument		*/
};/** parse_long_options --*	Parse long options in argc/argv argument vector.* Returns -1 if short_too is set and the option does not match long_options.*/
static int
parse_long_options(char* const* nargv, const char* options,const struct option* long_options, int* idx, int short_too)
{char *current_argv, *has_equal;size_t current_argv_len;int i, ambiguous, match;#define IDENTICAL_INTERPRETATION(_x, _y)                                \(long_options[(_x)].has_arg == long_options[(_y)].has_arg &&    \long_options[(_x)].flag == long_options[(_y)].flag &&          \long_options[(_x)].val == long_options[(_y)].val)current_argv = place;match = -1;ambiguous = 0;optind++;if ((has_equal = strchr(current_argv, '=')) != NULL) {/* argument found (--option=arg) */current_argv_len = has_equal - current_argv;has_equal++;} elsecurrent_argv_len = strlen(current_argv);for (i = 0; long_options[i].name; i++) {/* find matching long option */if (strncmp(current_argv, long_options[i].name,current_argv_len))continue;if (strlen(long_options[i].name) == current_argv_len) {/* exact match */match = i;ambiguous = 0;break;}/** If this is a known short option, don't allow* a partial match of a single character.*/if (short_too && current_argv_len == 1)continue;if (match == -1)	/* partial match */match = i;else if (!IDENTICAL_INTERPRETATION(i, match))ambiguous = 1;}if (ambiguous) {/* ambiguous abbreviation */if (PRINT_ERROR)warnx(ambig, (int)current_argv_len,current_argv);optopt = 0;return (BADCH);}if (match != -1) {		/* option found */if (long_options[match].has_arg == no_argument&& has_equal) {if (PRINT_ERROR)warnx(noarg, (int)current_argv_len,current_argv);/** XXX: GNU sets optopt to val regardless of flag*/if (long_options[match].flag == NULL)optopt = long_options[match].val;elseoptopt = 0;return (BADARG);}if (long_options[match].has_arg == required_argument ||long_options[match].has_arg == optional_argument) {if (has_equal)optarg = has_equal;else if (long_options[match].has_arg ==required_argument) {/** optional argument doesn't use next nargv*/optarg = nargv[optind++];}}if ((long_options[match].has_arg == required_argument)&& (optarg == NULL)) {/** Missing argument; leading ':' indicates no error* should be generated.*/if (PRINT_ERROR)warnx(recargstring,current_argv);/** XXX: GNU sets optopt to val regardless of flag*/if (long_options[match].flag == NULL)optopt = long_options[match].val;elseoptopt = 0;--optind;return (BADARG);}} else {			/* unknown option */if (short_too) {--optind;return (-1);}if (PRINT_ERROR)warnx(illoptstring, current_argv);optopt = 0;return (BADCH);}if (idx)*idx = match;if (long_options[match].flag) {*long_options[match].flag = long_options[match].val;return (0);} elsereturn (long_options[match].val);
#undef IDENTICAL_INTERPRETATION
}/** getopt_internal --*	Parse argc/argv argument vector.  Called by user level routines.*/
static int
getopt_internal(int nargc, char * const *nargv, const char *options,const struct option *long_options, int *idx, int flags)
{char *oli;				/* option letter list index */int optchar, short_too;static int posixly_correct = -1;if (options == NULL)return (-1);/** XXX Some GNU programs (like cvs) set optind to 0 instead of* XXX using optreset.  Work around this braindamage.*/if (optind == 0)optind = optreset = 1;/** Disable GNU extensions if POSIXLY_CORRECT is set or options* string begins with a '+'.** CV, 2009-12-14: Check POSIXLY_CORRECT anew if optind == 0 or*                 optreset != 0 for GNU compatibility.*/if (posixly_correct == -1 || optreset != 0)posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);if (*options == '-')flags |= FLAG_ALLARGS;else if (posixly_correct || *options == '+')flags &= ~FLAG_PERMUTE;if (*options == '+' || *options == '-')options++;optarg = NULL;if (optreset)nonopt_start = nonopt_end = -1;
start:if (optreset || !*place) {		/* update scanning pointer */optreset = 0;if (optind >= nargc) {          /* end of argument vector */place = EMSG;if (nonopt_end != -1) {/* do permutation, if we have to */permute_args(nonopt_start, nonopt_end,optind, nargv);optind -= nonopt_end - nonopt_start;}else if (nonopt_start != -1) {/** If we skipped non-options, set optind* to the first of them.*/optind = nonopt_start;}nonopt_start = nonopt_end = -1;return (-1);}if (*(place = nargv[optind]) != '-' ||(place[1] == '\0' && strchr(options, '-') == NULL)) {place = EMSG;		/* found non-option */if (flags & FLAG_ALLARGS) {/** GNU extension:* return non-option as argument to option 1*/optarg = nargv[optind++];return (INORDER);}if (!(flags & FLAG_PERMUTE)) {/** If no permutation wanted, stop parsing* at first non-option.*/return (-1);}/* do permutation */if (nonopt_start == -1)nonopt_start = optind;else if (nonopt_end != -1) {permute_args(nonopt_start, nonopt_end,optind, nargv);nonopt_start = optind -(nonopt_end - nonopt_start);nonopt_end = -1;}optind++;/* process next argument */goto start;}if (nonopt_start != -1 && nonopt_end == -1)nonopt_end = optind;/** If we have "-" do nothing, if "--" we are done.*/if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {optind++;place = EMSG;/** We found an option (--), so if we skipped* non-options, we have to permute.*/if (nonopt_end != -1) {permute_args(nonopt_start, nonopt_end,optind, nargv);optind -= nonopt_end - nonopt_start;}nonopt_start = nonopt_end = -1;return (-1);}}/** Check long options if:*  1) we were passed some*  2) the arg is not just "-"*  3) either the arg starts with -- we are getopt_long_only()*/if (long_options != NULL && place != nargv[optind] &&(*place == '-' || (flags & FLAG_LONGONLY))) {short_too = 0;if (*place == '-')place++;		/* --foo long option */else if (*place != ':' && strchr(options, *place) != NULL)short_too = 1;		/* could be short option too */optchar = parse_long_options(nargv, options, long_options,idx, short_too);if (optchar != -1) {place = EMSG;return (optchar);}}if ((optchar = (int)*place++) == (int)':' ||(optchar == (int)'-' && *place != '\0') ||(oli = (char*)strchr(options, optchar)) == NULL) {/** If the user specified "-" and  '-' isn't listed in* options, return -1 (non-option) as per POSIX.* Otherwise, it is an unknown option character (or ':').*/if (optchar == (int)'-' && *place == '\0')return (-1);if (!*place)++optind;if (PRINT_ERROR)warnx(illoptchar, optchar);optopt = optchar;return (BADCH);}if (long_options != NULL && optchar == 'W' && oli[1] == ';') {/* -W long-option */if (*place)			/* no space *//* NOTHING */;else if (++optind >= nargc) {	/* no arg */place = EMSG;if (PRINT_ERROR)warnx(recargchar, optchar);optopt = optchar;return (BADARG);} else				/* white space */place = nargv[optind];optchar = parse_long_options(nargv, options, long_options,idx, 0);place = EMSG;return (optchar);}if (*++oli != ':') {			/* doesn't take argument */if (!*place)++optind;} else {				/* takes (optional) argument */optarg = NULL;if (*place)			/* no white space */optarg = place;else if (oli[1] != ':') {	/* arg not optional */if (++optind >= nargc) {	/* no arg */place = EMSG;if (PRINT_ERROR)warnx(recargchar, optchar);optopt = optchar;return (BADARG);} elseoptarg = nargv[optind];}place = EMSG;++optind;}/* dump back option letter */return (optchar);
}/** getopt_long --*	Parse argc/argv argument vector.*/
int
getopt_long(int nargc, char * const *nargv, const char *options,const struct option *long_options, int *idx)
{return (getopt_internal(nargc, nargv, options, long_options, idx,FLAG_PERMUTE));
}/** getopt_long_only --*	Parse argc/argv argument vector.*/
int
getopt_long_only(int nargc, char * const *nargv, const char *options,const struct option *long_options, int *idx)
{return (getopt_internal(nargc, nargv, options, long_options, idx,FLAG_PERMUTE|FLAG_LONGONLY));
}//extern int getopt_long(int nargc, char * const *nargv, const char *options,
//    const struct option *long_options, int *idx);
//extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
//    const struct option *long_options, int *idx);
/** Previous MinGW implementation had...*/
#ifndef HAVE_DECL_GETOPT
/** ...for the long form API only; keep this for compatibility.*/
# define HAVE_DECL_GETOPT	1
#endif#ifdef __cplusplus
}
#endif#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */