diff --git a/configure.in b/configure.in index b449d69..fc7c798 100644 --- a/configure.in +++ b/configure.in @@ -232,6 +232,7 @@ dnl ####################### AC_CHECK_FUNCS([ \ arc4random \ gettimeofday \ + getopt \ nl_langinfo \ random \ setlocale \ @@ -240,7 +241,6 @@ AC_CHECK_FUNCS([ \ ]) AC_REPLACE_FUNCS([ \ - getopt \ strlcat \ strlcpy \ strtonum \ diff --git a/src/Makefile.am b/src/Makefile.am index 68beb7a..a00187c 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -6,6 +6,7 @@ ezstream_SOURCES = \ compat.c \ configfile.c \ ezstream.c \ + getopt.c \ metadata.c \ playlist.c \ util.c \ @@ -20,7 +21,6 @@ AM_LDFLAGS = @EZ_LDFLAGS@ EXTRA_DIST = \ compat.h \ configfile.h \ - getopt.h \ metadata.h \ playlist.h \ strfctns.h \ diff --git a/src/compat.h b/src/compat.h index e135edd..6ab237c 100644 --- a/src/compat.h +++ b/src/compat.h @@ -80,6 +80,15 @@ struct timeval { }; #endif +extern int opterr; +extern int optind; +extern int optopt; +extern int optreset; +extern char *optarg; + +extern int + local_getopt(int, char * const *, const char *); + char * local_basename(const char *); #endif /* __COMPAT_H__ */ diff --git a/src/ezstream.c b/src/ezstream.c index 00acd0c..acc8abb 100644 --- a/src/ezstream.c +++ b/src/ezstream.c @@ -53,9 +53,6 @@ #include "compat.h" #include "configfile.h" -#ifndef HAVE_GETOPT -# include "getopt.h" -#endif #include "metadata.h" #include "playlist.h" #include "strfctns.h" @@ -1140,7 +1137,7 @@ main(int argc, char *argv[]) qFlag = 0; vFlag = 0; - while ((c = getopt(argc, argv, "c:hnqVv")) != -1) { + while ((c = local_getopt(argc, argv, "c:hnqVv")) != -1) { switch (c) { case 'c': if (configFile != NULL) { diff --git a/src/getopt.c b/src/getopt.c index b3ee121..8734c29 100644 --- a/src/getopt.c +++ b/src/getopt.c @@ -1,694 +1,338 @@ -/* Getopt for GNU. - NOTE: getopt is now part of the C library, so if you don't know what - "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu - before changing it! +/* $Id$ */ +/* $OpenBSD: getopt_long.c,v 1.23 2007/10/31 12:34:57 chl Exp $ */ +/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */ - Copyright (C) 1987, 88, 89, 90, 91, 92, 1993 - Free Software Foundation, Inc. +/* + * Copyright (c) 2002 Todd C. Miller + * + * 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. + */ - 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 the - Free Software Foundation; either version 2, or (at your option) any - later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - #ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#ifndef __STDC__ -# ifndef const -# define const -# endif -#endif - -/* This tells Alpha OSF/1 not to define a getopt prototype in . */ -#ifndef _NO_PROTO -#define _NO_PROTO -#endif +# include "config.h" +#endif /* HAVE_CONFIG_H */ +#include #include -#include - -/* Comment out all this code if we are using the GNU C Library, and are not - actually compiling the library itself. This code is part of the GNU C - Library, but also included in many other GNU distributions. Compiling - and linking in this code is a waste when using the GNU C library - (especially if it is a shared library). Rather than having every GNU - program understand `configure --with-gnu-libc' and omit the object files, - it is simpler to just do this in the source for each such file. */ - -#if defined (_LIBC) || !defined (__GNU_LIBRARY__) - - -/* This needs to come after some library #include - to get __GNU_LIBRARY__ defined. */ -#ifdef __GNU_LIBRARY__ -/* Don't include stdlib.h for non-GNU C libraries because some of them - contain conflicting prototypes for getopt. */ #include -#endif /* GNU C library. */ - -/* If GETOPT_COMPAT is defined, `+' as well as `--' can introduce a - long-named option. Because this is not POSIX.2 compliant, it is - being phased out. */ -/* #define GETOPT_COMPAT */ - -/* This version of `getopt' appears to the caller like standard Unix `getopt' - but it behaves differently for the user, since it allows the user - to intersperse the options with the other arguments. - - As `getopt' works, it permutes the elements of ARGV so that, - when it is done, all the options precede everything else. Thus - all application programs are extended to handle flexible argument order. - - Setting the environment variable POSIXLY_CORRECT disables permutation. - Then the behavior is completely standard. - - GNU application programs can use a third alternative mode in which - they can distinguish the relative order of options and other arguments. */ - -#include "getopt.h" - -/* For communication from `getopt' to the caller. - When `getopt' finds an option that takes an argument, - the argument value is returned here. - Also, when `ordering' is RETURN_IN_ORDER, - each non-option ARGV-element is returned here. */ - -char *optarg = 0; - -/* Index in ARGV of the next element to be scanned. - This is used for communication to and from the caller - and for communication between successive calls to `getopt'. - - On entry to `getopt', zero means this is the first call; initialize. - - When `getopt' returns EOF, this is the index of the first of the - non-option elements that the caller should itself scan. - - Otherwise, `optind' communicates from one call to the next - how much of ARGV has been scanned so far. */ - -/* XXX 1003.2 says this must be 1 before any call. */ -int optind = 0; - -/* The next char to be scanned in the option-element - in which the last option character we returned was found. - This allows us to pick up the scan where we left off. - - If this is zero, or a null string, it means resume the scan - by advancing to the next ARGV-element. */ - -static char *nextchar; - -/* Callers store zero here to inhibit the error message - for unrecognized options. */ - -int opterr = 1; - -/* Set to an option character which was unrecognized. - This must be initialized on some systems to avoid linking in the - system's own getopt implementation. */ - -#define BAD_OPTION '\0' -int optopt = BAD_OPTION; - -/* Describe how to deal with options that follow non-option ARGV-elements. - - If the caller did not specify anything, - the default is REQUIRE_ORDER if the environment variable - POSIXLY_CORRECT is defined, PERMUTE otherwise. - - REQUIRE_ORDER means don't recognize them as options; - stop option processing when the first non-option is seen. - This is what Unix does. - This mode of operation is selected by either setting the environment - variable POSIXLY_CORRECT, or using `+' as the first character - of the list of option characters. - - PERMUTE is the default. We permute the contents of ARGV as we scan, - so that eventually all the non-options are at the end. This allows options - to be given in any order, even with programs that were not written to - expect this. - - RETURN_IN_ORDER is an option available to programs that were written - to expect options and other ARGV-elements in any order and that care about - the ordering of the two. We describe each non-option ARGV-element - as if it were the argument of an option with character code 1. - Using `-' as the first character of the list of option characters - selects this mode of operation. - - The special argument `--' forces an end of option-scanning regardless - of the value of `ordering'. In the case of RETURN_IN_ORDER, only - `--' can cause `getopt' to return EOF with `optind' != ARGC. */ - -static enum { - REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER -} ordering; - -#ifdef __GNU_LIBRARY__ -/* We want to avoid inclusion of string.h with non-GNU libraries - because there are many ways it can cause trouble. - On some systems, it contains special magic macros that don't work - in GCC. */ #include -#define my_index strchr -#define my_strlen strlen -#else +#ifdef HAVE_UNISTD_H +# include +#endif /* HAVE_UNISTD_H */ -/* Avoid depending on library functions or files - whose names are inconsistent. */ +#include "compat.h" -#if __STDC__ || defined(PROTO) -extern char *getenv(const char *name); -extern int strcmp(const char *s1, const char *s2); -extern int strncmp(const char *s1, const char *s2, int n); +int local_getopt(int, char * const *, const char *); -static int my_strlen(const char *s); -static char *my_index(const char *str, int chr); -#else -extern char *getenv(); -#endif +#ifndef HAVE_GETOPT -static int my_strlen(const char *str) +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 */ + +#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 + +#define EMSG "" + +static int getopt_internal(int, char * const *, const char *, int); +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\n"; +static const char illoptchar[] = "unknown option -- %c\n"; + +/* + * Compute the greatest common divisor of a and b. + */ +static int +gcd(int a, int b) { - int n = 0; - while (*str++) - n++; - return n; + int c; + + c = a % b; + while (c != 0) { + a = b; + b = c; + c = a % b; + } + + return (b); } -static char *my_index(const char *str, int chr) +/* + * 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) { - while (*str) { - if (*str == chr) - return (char *) str; - str++; - } - return 0; + 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; + else + pos += nopts; + swap = nargv[pos]; + /* LINTED const cast */ + ((char **) nargv)[pos] = nargv[cstart]; + /* LINTED const cast */ + ((char **)nargv)[cstart] = swap; + } + } } -#endif /* GNU C library. */ - -/* Handle permutation of arguments. */ - -/* Describe the part of ARGV that contains non-options that have - been skipped. `first_nonopt' is the index in ARGV of the first of them; - `last_nonopt' is the index after the last of them. */ - -static int first_nonopt; -static int last_nonopt; - -/* Exchange two adjacent subsequences of ARGV. - One subsequence is elements [first_nonopt,last_nonopt) - which contains all the non-options that have been skipped so far. - The other is elements [last_nonopt,optind), which contains all - the options processed since those non-options were skipped. - - `first_nonopt' and `last_nonopt' are relocated so that they describe - the new indices of the non-options in ARGV after they are moved. - - To perform the swap, we first reverse the order of all elements. So - all options now come before all non options, but they are in the - wrong order. So we put back the options and non options in original - order by reversing them again. For example: - original input: a b c -x -y - reverse all: -y -x c b a - reverse options: -x -y c b a - reverse non options: -x -y a b c -*/ - -#if __STDC__ || defined(PROTO) -static void exchange(char **argv); -#endif - -static void exchange(char **argv) +/* + * getopt_internal -- + * Parse argc/argv argument vector. Called by user level routines. + */ +static int +getopt_internal(int nargc, char * const *nargv, const char *options, int flags) { - char *temp, **first, **last; + char *oli; /* option letter list index */ + int optchar; + static int posixly_correct = -1; - /* Reverse all the elements [first_nonopt, optind) */ - first = &argv[first_nonopt]; - last = &argv[optind - 1]; - while (first < last) { - temp = *first; - *first = *last; - *last = temp; - first++; - last--; - } - /* Put back the options in order */ - first = &argv[first_nonopt]; - first_nonopt += (optind - last_nonopt); - last = &argv[first_nonopt - 1]; - while (first < last) { - temp = *first; - *first = *last; - *last = temp; - first++; - last--; - } + if (options == NULL) + return (-1); - /* Put back the non options in order */ - first = &argv[first_nonopt]; - last_nonopt = optind; - last = &argv[last_nonopt - 1]; - while (first < last) { - temp = *first; - *first = *last; - *last = temp; - first++; - last--; - } -} - -/* Scan elements of ARGV (whose length is ARGC) for option characters - given in OPTSTRING. + /* + * Disable GNU extensions if POSIXLY_CORRECT is set or options + * string begins with a '+'. + */ + if (posixly_correct == -1) + posixly_correct = (getenv("POSIXLY_CORRECT") != NULL); + if (posixly_correct || *options == '+') + flags &= ~FLAG_PERMUTE; + else if (*options == '-') + flags |= FLAG_ALLARGS; + if (*options == '+' || *options == '-') + options++; - If an element of ARGV starts with '-', and is not exactly "-" or "--", - then it is an option element. The characters of this element - (aside from the initial '-') are option characters. If `getopt' - is called repeatedly, it returns successively each of the option characters - from each of the option elements. + /* + * 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; - If `getopt' finds another option character, it returns that character, - updating `optind' and `nextchar' so that the next call to `getopt' can - resume the scan with the following option character or ARGV-element. + 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 there are no more option characters, `getopt' returns `EOF'. - Then `optind' is the index in ARGV of the first ARGV-element - that is not an option. (The ARGV-elements have been permuted - so that those that are not options now come last.) + /* + * 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); + } + } - OPTSTRING is a string containing the legitimate option characters. - If an option character is seen that is not listed in OPTSTRING, - return BAD_OPTION after printing an error message. If you set `opterr' to - zero, the error message is suppressed but we still return BAD_OPTION. - - If a char in OPTSTRING is followed by a colon, that means it wants an arg, - so the following text in the same ARGV-element, or the text of the following - ARGV-element, is returned in `optarg'. Two colons mean an option that - wants an optional arg; if there is text in the current ARGV-element, - it is returned in `optarg', otherwise `optarg' is set to zero. - - If OPTSTRING starts with `-' or `+', it requests different methods of - handling the non-option ARGV-elements. - See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above. - - Long-named options begin with `--' instead of `-'. - Their names may be abbreviated as long as the abbreviation is unique - or is an exact match for some defined option. If they have an - argument, it follows the option name in the same ARGV-element, separated - from the option name by a `=', or else the in next ARGV-element. - When `getopt' finds a long-named option, it returns 0 if that option's - `flag' field is nonzero, the value of the option's `val' field - if the `flag' field is zero. - - The elements of ARGV aren't really const, because we permute them. - But we pretend they're const in the prototype to be compatible - with other systems. - - LONGOPTS is a vector of `struct option' terminated by an - element containing a name which is zero. - - LONGIND returns the index in LONGOPT of the long-named option found. - It is only valid when a long-named option has been found by the most - recent call. - - If LONG_ONLY is nonzero, '-' as well as '--' can introduce - long-named options. */ - -int _getopt_internal(int argc, char *const *argv, const char *optstring, - const struct option *longopts, int *longind, int long_only) -{ - int option_index; - - optarg = 0; - - /* Initialize the internal data when the first call is made. - Start processing options with ARGV-element 1 (since ARGV-element 0 - is the program name); the sequence of previously skipped - non-option ARGV-elements is empty. */ - - if (optind == 0) { - first_nonopt = last_nonopt = optind = 1; - - nextchar = NULL; - - /* Determine how to handle the ordering of options and nonoptions. */ - - if (optstring[0] == '-') { - ordering = RETURN_IN_ORDER; - ++optstring; - } else if (optstring[0] == '+') { - ordering = REQUIRE_ORDER; - ++optstring; - } else if (getenv("POSIXLY_CORRECT") != NULL) - ordering = REQUIRE_ORDER; - else - ordering = PERMUTE; - } - - if (nextchar == NULL || *nextchar == '\0') { - if (ordering == PERMUTE) { - /* If we have just processed some options following some non-options, - exchange them so that the options come first. */ - - if (first_nonopt != last_nonopt && last_nonopt != optind) - exchange((char **) argv); - else if (last_nonopt != optind) - first_nonopt = optind; - - /* Now skip any additional non-options - and extend the range of non-options previously skipped. */ - - while (optind < argc && (argv[optind][0] != '-' || argv[optind][1] == '\0') -#ifdef GETOPT_COMPAT - && (longopts == NULL - || argv[optind][0] != '+' || argv[optind][1] == '\0') -#endif /* GETOPT_COMPAT */ - ) - optind++; - last_nonopt = optind; - } - - /* Special ARGV-element `--' means premature end of options. - Skip it like a null option, - then exchange with previous non-options as if it were an option, - then skip everything else like a non-option. */ - - if (optind != argc && !strcmp(argv[optind], "--")) { - optind++; - - if (first_nonopt != last_nonopt && last_nonopt != optind) - exchange((char **) argv); - else if (first_nonopt == last_nonopt) - first_nonopt = optind; - last_nonopt = argc; - - optind = argc; - } - - /* If we have done all the ARGV-elements, stop the scan - and back over any non-options that we skipped and permuted. */ - - if (optind == argc) { - /* Set the next-arg-index to point at the non-options - that we previously skipped, so the caller will digest them. */ - if (first_nonopt != last_nonopt) - optind = first_nonopt; - return EOF; - } - - /* If we have come to a non-option and did not permute it, - either stop the scan or describe it to the caller and pass it by. */ - - if ((argv[optind][0] != '-' || argv[optind][1] == '\0') -#ifdef GETOPT_COMPAT - && (longopts == NULL || argv[optind][0] != '+' || argv[optind][1] == '\0') -#endif /* GETOPT_COMPAT */ - ) { - if (ordering == REQUIRE_ORDER) - return EOF; - optarg = argv[optind++]; - return 1; - } - - /* We have found another option-ARGV-element. - Start decoding its characters. */ - - nextchar = (argv[optind] + 1 + (longopts != NULL && argv[optind][1] == '-')); - } - - if (longopts != NULL && ((argv[optind][0] == '-' && (argv[optind][1] == '-' || long_only)) -#ifdef GETOPT_COMPAT - || argv[optind][0] == '+' -#endif /* GETOPT_COMPAT */ - )) { - const struct option *p; - char *s = nextchar; - int exact = 0; - int ambig = 0; - const struct option *pfound = NULL; - int indfound = 0; - - while (*s && *s != '=') - s++; - - /* Test all options for either exact match or abbreviated matches. */ - for (p = longopts, option_index = 0; p->name; p++, option_index++) - if (!strncmp(p->name, nextchar, s - nextchar)) { - if (s - nextchar == my_strlen(p->name)) { - /* Exact match found. */ - pfound = p; - indfound = option_index; - exact = 1; - break; - } else if (pfound == NULL) { - /* First nonexact match found. */ - pfound = p; - indfound = option_index; - } else - /* Second nonexact match found. */ - ambig = 1; - } - - if (ambig && !exact) { - if (opterr) - fprintf(stderr, "%s: option `%s' is ambiguous\n", - argv[0], argv[optind]); - nextchar += my_strlen(nextchar); - optind++; - return BAD_OPTION; - } - - if (pfound != NULL) { - option_index = indfound; - optind++; - if (*s) { - /* Don't test has_arg with >, because some C compilers don't - allow it to be used on enums. */ - if (pfound->has_arg) - optarg = s + 1; - else { - if (opterr) { - if (argv[optind - 1][1] == '-') - /* --option */ - fprintf(stderr, - "%s: option `--%s' doesn't allow an argument\n", - argv[0], pfound->name); - else - /* +option or -option */ - fprintf(stderr, - "%s: option `%c%s' doesn't allow an argument\n", - argv[0], argv[optind - 1][0], - pfound->name); - } - nextchar += my_strlen(nextchar); - return BAD_OPTION; - } - } else if (pfound->has_arg == 1) { - if (optind < argc) - optarg = argv[optind++]; - else { - if (opterr) - fprintf(stderr, - "%s: option `%s' requires an argument\n", - argv[0], argv[optind - 1]); - nextchar += my_strlen(nextchar); - return optstring[0] == ':' ? ':' : BAD_OPTION; - } - } - nextchar += my_strlen(nextchar); - if (longind != NULL) - *longind = option_index; - if (pfound->flag) { - *(pfound->flag) = pfound->val; - return 0; - } - return pfound->val; - } - /* Can't find it as a long option. If this is not getopt_long_only, - or the option starts with '--' or is not a valid short - option, then it's an error. - Otherwise interpret it as a short option. */ - if (!long_only || argv[optind][1] == '-' -#ifdef GETOPT_COMPAT - || argv[optind][0] == '+' -#endif /* GETOPT_COMPAT */ - || my_index(optstring, *nextchar) == NULL) { - if (opterr) { - if (argv[optind][1] == '-') - /* --option */ - fprintf(stderr, "%s: unrecognized option `--%s'\n", - argv[0], nextchar); - else - /* +option or -option */ - fprintf(stderr, "%s: unrecognized option `%c%s'\n", - argv[0], argv[optind][0], nextchar); - } - nextchar = (char *) ""; - optind++; - return BAD_OPTION; - } - } - - /* Look at and handle the next option-character. */ - - { - char c = *nextchar++; - char *temp = my_index(optstring, c); - - /* Increment `optind' when we start to process its last character. */ - if (*nextchar == '\0') - ++optind; - - if (temp == NULL || c == ':') { - if (opterr) { -#if 0 - if (c < 040 || c >= 0177) - fprintf(stderr, - "%s: unrecognized option, character code 0%o\n", - argv[0], c); - else - fprintf(stderr, "%s: unrecognized option `-%c'\n", argv[0], - c); -#else - /* 1003.2 specifies the format of this message. */ - fprintf(stderr, "%s: illegal option -- %c\n", argv[0], c); -#endif - } - optopt = c; - return BAD_OPTION; - } - if (temp[1] == ':') { - if (temp[2] == ':') { - /* This is an option that accepts an argument optionally. */ - if (*nextchar != '\0') { - optarg = nextchar; - optind++; - } else - optarg = 0; - nextchar = NULL; - } else { - /* This is an option that requires an argument. */ - if (*nextchar != '\0') { - optarg = nextchar; - /* If we end this ARGV-element by taking the rest as an arg, - we must advance to the next element now. */ - optind++; - } else if (optind == argc) { - if (opterr) { -#if 0 - fprintf(stderr, - "%s: option `-%c' requires an argument\n", - argv[0], c); -#else - /* 1003.2 specifies the format of this message. */ - fprintf(stderr, - "%s: option requires an argument -- %c\n", - argv[0], c); -#endif - } - optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = BAD_OPTION; - } else - /* We already incremented `optind' once; - increment it again when taking next ARGV-elt as argument. */ - optarg = argv[optind++]; - nextchar = NULL; - } - } - return c; - } + if ((optchar = (int)*place++) == (int)':' || + (optchar == (int)'-' && *place != '\0') || + (oli = 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) + fprintf(stderr, illoptchar, optchar); + optopt = optchar; + return (BADCH); + } + 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) + fprintf(stderr, recargchar, optchar); + optopt = optchar; + return (BADARG); + } else + optarg = nargv[optind]; + } + place = EMSG; + ++optind; + } + /* dump back option letter */ + return (optchar); } -int getopt(int argc, char *const *argv, const char *optstring) +#endif /* !HAVE_GETOPT */ + +/* + * getopt -- + * Parse argc/argv argument vector. + * + * [eventually this will replace the BSD getopt] + */ +int +local_getopt(int nargc, char * const *nargv, const char *options) { - return _getopt_internal(argc, argv, optstring, (const struct option *) 0, (int *) 0, 0); +#ifdef HAVE_GETOPT + return (getopt(nargc, nargv, options)); +#else /* HAVE_GETOPT */ + + /* + * 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, 0)); +#endif /* HAVE_GETOPT */ } - -int getopt_long(int argc, char *const *argv, const char *options, const struct option long_options, int *opt_index) -{ - return _getopt_internal(argc, argv, options, long_options, opt_index, 0); -} - -#endif /* _LIBC or not __GNU_LIBRARY__. */ - -#ifdef TEST - -/* Compile with -DTEST to make an executable for use in testing - the above definition of `getopt'. */ - -int main(int argc, char **argv) -{ - int c; - int digit_optind = 0; - - while (1) { - int this_option_optind = optind ? optind : 1; - - c = getopt(argc, argv, "abc:d:0123456789"); - if (c == EOF) - break; - - switch (c) { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - if (digit_optind != 0 && digit_optind != this_option_optind) - printf("digits occur in two different argv-elements.\n"); - digit_optind = this_option_optind; - printf("option %c\n", c); - break; - - case 'a': - printf("option a\n"); - break; - - case 'b': - printf("option b\n"); - break; - - case 'c': - printf("option c with value `%s'\n", optarg); - break; - - case BAD_OPTION: - break; - - default: - printf("?? getopt returned character code 0%o ??\n", c); - } - } - - if (optind < argc) { - printf("non-option ARGV-elements: "); - while (optind < argc) - printf("%s ", argv[optind++]); - printf("\n"); - } - - exit(0); -} - -#endif /* TEST */ - diff --git a/src/getopt.h b/src/getopt.h deleted file mode 100644 index da7e4e2..0000000 --- a/src/getopt.h +++ /dev/null @@ -1,130 +0,0 @@ -/* Declarations for getopt. - Copyright (C) 1989, 1990, 1991, 1992, 1993 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 the - Free Software Foundation; either version 2, or (at your option) any - later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#ifndef _GETOPT_H -#define _GETOPT_H 1 - -#ifdef __cplusplus -extern "C" { -#endif - -/* For communication from `getopt' to the caller. - When `getopt' finds an option that takes an argument, - the argument value is returned here. - Also, when `ordering' is RETURN_IN_ORDER, - each non-option ARGV-element is returned here. */ - -extern char *optarg; - -/* Index in ARGV of the next element to be scanned. - This is used for communication to and from the caller - and for communication between successive calls to `getopt'. - - On entry to `getopt', zero means this is the first call; initialize. - - When `getopt' returns EOF, this is the index of the first of the - non-option elements that the caller should itself scan. - - Otherwise, `optind' communicates from one call to the next - how much of ARGV has been scanned so far. */ - -extern int optind; - -/* Callers store zero here to inhibit the error message `getopt' prints - for unrecognized options. */ - -extern int opterr; - -/* Set to an option character which was unrecognized. */ - -extern int optopt; - -/* Describe the long-named options requested by the application. - The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector - of `struct option' terminated by an element containing a name which is - zero. - - The field `has_arg' is: - no_argument (or 0) if the option does not take an argument, - required_argument (or 1) if the option requires an argument, - optional_argument (or 2) if the option takes an optional argument. - - If the field `flag' is not NULL, it points to a variable that is set - to the value given in the field `val' when the option is found, but - left unchanged if the option is not found. - - To have a long-named option do something other than set an `int' to - a compiled-in constant, such as set a value from `optarg', set the - option's `flag' field to zero and its `val' field to a nonzero - value (the equivalent single-letter option character, if there is - one). For long options that have a zero `flag' field, `getopt' - returns the contents of the `val' field. */ - -struct option -{ -#if __STDC__ - const char *name; -#else - char *name; -#endif - /* has_arg can't be an enum because some compilers complain about - type mismatches in all the code that assumes it is an int. */ - int has_arg; - int *flag; - int val; -}; - -/* Names for the values of the `has_arg' field of `struct option'. */ - -#define no_argument 0 -#define required_argument 1 -#define optional_argument 2 - -#if __STDC__ || defined(PROTO) -#if defined(__GNU_LIBRARY__) -/* Many other libraries have conflicting prototypes for getopt, with - differences in the consts, in stdlib.h. To avoid compilation - errors, only prototype getopt for the GNU C library. */ -extern int getopt (int argc, char *const *argv, const char *shortopts); -#endif /* not __GNU_LIBRARY__ */ -extern int getopt_long (int argc, char *const *argv, const char *shortopts, - const struct option *longopts, int *longind); -extern int getopt_long_only (int argc, char *const *argv, - const char *shortopts, - const struct option *longopts, int *longind); - -/* Internal only. Users should not call this directly. */ -extern int _getopt_internal (int argc, char *const *argv, - const char *shortopts, - const struct option *longopts, int *longind, - int long_only); -#else /* not __STDC__ */ -//JCMOD, needed to define the full deal here for VC++ -//extern int getopt (); -extern int getopt (int argc, char *const *argv, const char *shortopts); -extern int getopt_long (); -extern int getopt_long_only (); - -extern int _getopt_internal (); -#endif /* not __STDC__ */ - -#ifdef __cplusplus -} -#endif - -#endif /* _GETOPT_H */ -