* mingwex/getopt.c: New file, copied from cygwin srcs.
* include/getopt.h: New file, copied from cygwin srcs. * include/unistd.h: Include getopt.h. * mingwex/Makefile.in ((DISTFILES): Add getopt.c. (POSIX_OBJS): Add getopt.o.
This commit is contained in:
Danny Smith
@@ -1,3 +1,11 @@
|
|||||||
|
2003-03-03 Danny Smith <dannysmith@users.sourceforge.net>
|
||||||
|
|
||||||
|
* mingwex/getopt.c: New file, copied from cygwin srcs.
|
||||||
|
* include/getopt.h: New file, copied from cygwin srcs.
|
||||||
|
* include/unistd.h: Include getopt.h.
|
||||||
|
* mingwex/Makefile.in ((DISTFILES): Add getopt.c.
|
||||||
|
(POSIX_OBJS): Add getopt.o.
|
||||||
|
|
||||||
2003-03-02 Danny Smith <dannysmith@users.sourceforge.net>
|
2003-03-02 Danny Smith <dannysmith@users.sourceforge.net>
|
||||||
|
|
||||||
* include/stdio.h (vscanf): Add prototype.
|
* include/stdio.h (vscanf): Add prototype.
|
||||||
|
|||||||
84
winsup/mingw/include/getopt.h
Normal file
84
winsup/mingw/include/getopt.h
Normal file
@@ -0,0 +1,84 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 1987, 1993, 1994, 1996
|
||||||
|
* The Regents of the University of California. All rights reserved.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
* 3. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* This product includes software developed by the University of
|
||||||
|
* California, Berkeley and its contributors.
|
||||||
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 int opterr; /* if error message should be printed */
|
||||||
|
extern int optind; /* index into parent argv vector */
|
||||||
|
extern int optopt; /* character checked for validity */
|
||||||
|
extern int optreset; /* reset getopt */
|
||||||
|
extern char *optarg; /* argument associated with option */
|
||||||
|
|
||||||
|
int getopt (int, char * const *, const char *);
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* __GETOPT_H__ */
|
||||||
|
|
||||||
|
#ifndef __UNISTD_GETOPT__
|
||||||
|
#ifndef __GETOPT_LONG_H__
|
||||||
|
#define __GETOPT_LONG_H__
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
struct option {
|
||||||
|
const char *name;
|
||||||
|
int has_arg;
|
||||||
|
int *flag;
|
||||||
|
int val;
|
||||||
|
};
|
||||||
|
|
||||||
|
int getopt_long (int, char *const *, const char *, const struct option *, int *);
|
||||||
|
#ifndef HAVE_DECL_GETOPT
|
||||||
|
#define HAVE_DECL_GETOPT 1
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define no_argument 0
|
||||||
|
#define required_argument 1
|
||||||
|
#define optional_argument 2
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* __GETOPT_LONG_H__ */
|
||||||
|
#endif /* __UNISTD_GETOPT__ */
|
||||||
@@ -5,7 +5,13 @@
|
|||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef __STRICT_ANSI__
|
#ifndef __STRICT_ANSI__
|
||||||
|
|
||||||
#include <io.h>
|
#include <io.h>
|
||||||
#include <process.h>
|
#include <process.h>
|
||||||
#endif
|
|
||||||
|
#define __UNISTD_GETOPT__
|
||||||
|
#include <getopt.h>
|
||||||
|
#undef __UNISTD_GETOPT__
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|||||||
@@ -29,11 +29,10 @@ DISTFILES = Makefile.in configure configure.in \
|
|||||||
_Exit.c atoll.c dirent.c feclearexcept.c fegetenv.c \
|
_Exit.c atoll.c dirent.c feclearexcept.c fegetenv.c \
|
||||||
fegetexceptflag.c fegetround.c feholdexcept.c feraiseexcept.c \
|
fegetexceptflag.c fegetround.c feholdexcept.c feraiseexcept.c \
|
||||||
fesetenv.c fesetexceptflag.c fesetround.c fetestexcept.c \
|
fesetenv.c fesetexceptflag.c fesetround.c fetestexcept.c \
|
||||||
feupdateenv.c fwide.c imaxabs.c imaxdiv.c ldtoa.c lltoa.c lltow.c \
|
feupdateenv.c fwide.c getopt.c imaxabs.c imaxdiv.c ldtoa.c \
|
||||||
mbsinit.c mingw-fseek.c sitest.c \
|
lltoa.c lltow.c mbsinit.c mingw-fseek.c sitest.c strtof.c \
|
||||||
strtof.c strtoimax.c strtold.c strtoumax.c testwmem.c \
|
strtoimax.c strtold.c strtoumax.c testwmem.c ulltoa.c ulltow.c \
|
||||||
ulltoa.c ulltow.c wcstof.c \
|
wcstof.c wcstoimax.c wcstold.c wcstoumax.c wdirent.c wmemchr.c \
|
||||||
wcstoimax.c wcstold.c wcstoumax.c wdirent.c wmemchr.c \
|
|
||||||
wmemcmp.c wmemcpy.c wmemmove.c wmemset.c wtoll.c
|
wmemcmp.c wmemcpy.c wmemmove.c wmemset.c wtoll.c
|
||||||
|
|
||||||
MATH_DISTFILES = \
|
MATH_DISTFILES = \
|
||||||
@@ -142,7 +141,7 @@ FENV_OBJS = fesetround.o fegetround.o \
|
|||||||
feclearexcept.o feholdexcept.o fegetexceptflag.o \
|
feclearexcept.o feholdexcept.o fegetexceptflag.o \
|
||||||
feraiseexcept.o fetestexcept.o fesetexceptflag.o
|
feraiseexcept.o fetestexcept.o fesetexceptflag.o
|
||||||
POSIX_OBJS = \
|
POSIX_OBJS = \
|
||||||
dirent.o wdirent.o
|
dirent.o wdirent.o getopt.o
|
||||||
REPLACE_OBJS = \
|
REPLACE_OBJS = \
|
||||||
mingw-fseek.o
|
mingw-fseek.o
|
||||||
|
|
||||||
|
|||||||
493
winsup/mingw/mingwex/getopt.c
Normal file
493
winsup/mingw/mingwex/getopt.c
Normal file
@@ -0,0 +1,493 @@
|
|||||||
|
/* $NetBSD: getopt_long.c,v 1.12 2001/04/24 09:07:43 joda Exp $ */
|
||||||
|
|
||||||
|
/*-
|
||||||
|
* 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.
|
||||||
|
* 3. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* This product includes software developed by the NetBSD
|
||||||
|
* Foundation, Inc. and its contributors.
|
||||||
|
* 4. Neither the name of The NetBSD Foundation 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 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <assert.h>
|
||||||
|
#include <errno.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <getopt.h>
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
|
||||||
|
#define REPLACE_GETOPT
|
||||||
|
|
||||||
|
#define _DIAGASSERT(x) do {} while (0)
|
||||||
|
|
||||||
|
#ifdef REPLACE_GETOPT
|
||||||
|
#ifdef __weak_alias
|
||||||
|
__weak_alias(getopt,_getopt)
|
||||||
|
#endif
|
||||||
|
int opterr = 1; /* if error message should be printed */
|
||||||
|
int optind = 1; /* index into parent argv vector */
|
||||||
|
int optopt = '?'; /* character checked for validity */
|
||||||
|
int optreset; /* reset getopt */
|
||||||
|
char *optarg; /* argument associated with option */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __weak_alias
|
||||||
|
__weak_alias(getopt_long,_getopt_long)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef __CYGWIN__
|
||||||
|
#define __progname __argv[0]
|
||||||
|
#else
|
||||||
|
extern char __declspec(dllimport) *__progname;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define IGNORE_FIRST (*options == '-' || *options == '+')
|
||||||
|
#define PRINT_ERROR ((opterr) && ((*options != ':') \
|
||||||
|
|| (IGNORE_FIRST && options[1] != ':')))
|
||||||
|
|
||||||
|
#define IS_POSIXLY_CORRECT (getenv("POSIXLY_INCORRECT_GETOPT") == NULL)
|
||||||
|
|
||||||
|
#define PERMUTE (!IS_POSIXLY_CORRECT && !IGNORE_FIRST)
|
||||||
|
/* XXX: GNU ignores PC if *options == '-' */
|
||||||
|
#define IN_ORDER (!IS_POSIXLY_CORRECT && *options == '-')
|
||||||
|
|
||||||
|
/* return values */
|
||||||
|
#define BADCH (int)'?'
|
||||||
|
#define BADARG ((IGNORE_FIRST && options[1] == ':') \
|
||||||
|
|| (*options == ':') ? (int)':' : (int)'?')
|
||||||
|
#define INORDER (int)1
|
||||||
|
|
||||||
|
#define EMSG ""
|
||||||
|
|
||||||
|
static int getopt_internal (int, char * const *, const char *);
|
||||||
|
static int gcd (int, int);
|
||||||
|
static void permute_args (int, int, int, char * const *);
|
||||||
|
|
||||||
|
static const 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(a, b)
|
||||||
|
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(nonopt_start, nonopt_end, opt_end, nargv)
|
||||||
|
int nonopt_start;
|
||||||
|
int nonopt_end;
|
||||||
|
int opt_end;
|
||||||
|
char * const *nargv;
|
||||||
|
{
|
||||||
|
int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
|
||||||
|
char *swap;
|
||||||
|
|
||||||
|
_DIAGASSERT(nargv != NULL);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* compute lengths of blocks and number and size of cycles
|
||||||
|
*/
|
||||||
|
nnonopts = nonopt_end - nonopt_start;
|
||||||
|
nopts = opt_end - nonopt_end;
|
||||||
|
ncycle = gcd(nnonopts, nopts);
|
||||||
|
cyclelen = (opt_end - nonopt_start) / ncycle;
|
||||||
|
|
||||||
|
for (i = 0; i < ncycle; i++) {
|
||||||
|
cstart = nonopt_end+i;
|
||||||
|
pos = cstart;
|
||||||
|
for (j = 0; j < cyclelen; j++) {
|
||||||
|
if (pos >= nonopt_end)
|
||||||
|
pos -= nnonopts;
|
||||||
|
else
|
||||||
|
pos += nopts;
|
||||||
|
swap = nargv[pos];
|
||||||
|
/* LINTED const cast */
|
||||||
|
((char **) nargv)[pos] = nargv[cstart];
|
||||||
|
/* LINTED const cast */
|
||||||
|
((char **)nargv)[cstart] = swap;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* getopt_internal --
|
||||||
|
* Parse argc/argv argument vector. Called by user level routines.
|
||||||
|
* Returns -2 if -- is found (can be long option or end of options marker).
|
||||||
|
*/
|
||||||
|
static int
|
||||||
|
getopt_internal(int nargc, char *const * nargv, const char *options)
|
||||||
|
{
|
||||||
|
char *oli; /* option letter list index */
|
||||||
|
int optchar;
|
||||||
|
|
||||||
|
_DIAGASSERT(nargv != NULL);
|
||||||
|
_DIAGASSERT(options != NULL);
|
||||||
|
|
||||||
|
optarg = NULL;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* XXX Some programs (like rsyncd) expect to be able to
|
||||||
|
* XXX re-initialize optind to 0 and have getopt_long(3)
|
||||||
|
* XXX properly function again. Work around this braindamage.
|
||||||
|
*/
|
||||||
|
if (optind == 0 && optreset == 0)
|
||||||
|
optind = 1;
|
||||||
|
|
||||||
|
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')) { /* found non-option */
|
||||||
|
place = EMSG;
|
||||||
|
if (IN_ORDER) {
|
||||||
|
/*
|
||||||
|
* GNU extension:
|
||||||
|
* return non-option as argument to option 1
|
||||||
|
*/
|
||||||
|
optarg = nargv[optind++];
|
||||||
|
return INORDER;
|
||||||
|
}
|
||||||
|
if (!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 (place[1] && *++place == '-') { /* found "--" */
|
||||||
|
place++;
|
||||||
|
return -2;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if ((optchar = (int)*place++) == (int)':' ||
|
||||||
|
(oli = strchr(options + (IGNORE_FIRST ? 1 : 0), optchar)) == NULL) {
|
||||||
|
/* option letter unknown or ':' */
|
||||||
|
if (!*place)
|
||||||
|
++optind;
|
||||||
|
if (PRINT_ERROR)
|
||||||
|
warnx(illoptchar, optchar);
|
||||||
|
optopt = optchar;
|
||||||
|
return BADCH;
|
||||||
|
}
|
||||||
|
if (optchar == 'W' && oli[1] == ';') { /* -W long-option */
|
||||||
|
/* XXX: what if no long options provided (called by getopt)? */
|
||||||
|
if (*place)
|
||||||
|
return -2;
|
||||||
|
|
||||||
|
if (++optind >= nargc) { /* no arg */
|
||||||
|
place = EMSG;
|
||||||
|
if (PRINT_ERROR)
|
||||||
|
warnx(recargchar, optchar);
|
||||||
|
optopt = optchar;
|
||||||
|
return BADARG;
|
||||||
|
} else /* white space */
|
||||||
|
place = nargv[optind];
|
||||||
|
/*
|
||||||
|
* Handle -W arg the same as --arg (which causes getopt to
|
||||||
|
* stop parsing).
|
||||||
|
*/
|
||||||
|
return -2;
|
||||||
|
}
|
||||||
|
if (*++oli != ':') { /* doesn't take argument */
|
||||||
|
if (!*place)
|
||||||
|
++optind;
|
||||||
|
} else { /* takes (optional) argument */
|
||||||
|
optarg = NULL;
|
||||||
|
if (*place) /* no white space */
|
||||||
|
optarg = (char *) place;
|
||||||
|
/* XXX: disable test for :: if PC? (GNU doesn't) */
|
||||||
|
else if (oli[1] != ':') { /* arg not optional */
|
||||||
|
if (++optind >= nargc) { /* no arg */
|
||||||
|
place = EMSG;
|
||||||
|
if (PRINT_ERROR)
|
||||||
|
warnx(recargchar, optchar);
|
||||||
|
optopt = optchar;
|
||||||
|
return BADARG;
|
||||||
|
} else
|
||||||
|
optarg = nargv[optind];
|
||||||
|
}
|
||||||
|
place = EMSG;
|
||||||
|
++optind;
|
||||||
|
}
|
||||||
|
/* dump back option letter */
|
||||||
|
return optchar;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef REPLACE_GETOPT
|
||||||
|
/*
|
||||||
|
* getopt --
|
||||||
|
* Parse argc/argv argument vector.
|
||||||
|
*
|
||||||
|
* [eventually this will replace the real getopt]
|
||||||
|
*/
|
||||||
|
int
|
||||||
|
getopt(int nargc, char * const *nargv, const char *options)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
|
||||||
|
_DIAGASSERT(nargv != NULL);
|
||||||
|
_DIAGASSERT(options != NULL);
|
||||||
|
|
||||||
|
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
|
||||||
|
++optind;
|
||||||
|
/*
|
||||||
|
* 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;
|
||||||
|
retval = -1;
|
||||||
|
}
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 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)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
|
||||||
|
_DIAGASSERT(nargv != NULL);
|
||||||
|
_DIAGASSERT(options != NULL);
|
||||||
|
_DIAGASSERT(long_options != NULL);
|
||||||
|
/* idx may be NULL */
|
||||||
|
|
||||||
|
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
|
||||||
|
char *current_argv, *has_equal;
|
||||||
|
size_t current_argv_len;
|
||||||
|
int i, match;
|
||||||
|
|
||||||
|
current_argv = (char *) place;
|
||||||
|
match = -1;
|
||||||
|
|
||||||
|
optind++;
|
||||||
|
place = EMSG;
|
||||||
|
|
||||||
|
if (*current_argv == '\0') { /* found "--" */
|
||||||
|
/*
|
||||||
|
* 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;
|
||||||
|
}
|
||||||
|
if ((has_equal = strchr(current_argv, '=')) != NULL) {
|
||||||
|
/* argument found (--option=arg) */
|
||||||
|
current_argv_len = has_equal - current_argv;
|
||||||
|
has_equal++;
|
||||||
|
} else
|
||||||
|
current_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) ==
|
||||||
|
(unsigned)current_argv_len) {
|
||||||
|
/* exact match */
|
||||||
|
match = i;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (match == -1) /* partial match */
|
||||||
|
match = i;
|
||||||
|
else {
|
||||||
|
/* 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;
|
||||||
|
else
|
||||||
|
optopt = 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;
|
||||||
|
else
|
||||||
|
optopt = 0;
|
||||||
|
--optind;
|
||||||
|
return BADARG;
|
||||||
|
}
|
||||||
|
} else { /* unknown option */
|
||||||
|
if (PRINT_ERROR)
|
||||||
|
warnx(illoptstring, current_argv);
|
||||||
|
optopt = 0;
|
||||||
|
return BADCH;
|
||||||
|
}
|
||||||
|
if (long_options[match].flag) {
|
||||||
|
*long_options[match].flag = long_options[match].val;
|
||||||
|
retval = 0;
|
||||||
|
} else
|
||||||
|
retval = long_options[match].val;
|
||||||
|
if (idx)
|
||||||
|
*idx = match;
|
||||||
|
}
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user