From 2c38c794a0fc89a984d32cb76a827e0cdb6f0525 Mon Sep 17 00:00:00 2001 From: Donald Sharp Date: Tue, 28 Feb 2023 18:26:10 +0000 Subject: [PATCH] lib: Remove getopt.c and getopt1.c Why do we need getopt code that is standard in everything that we compile against? Signed-off-by: Donald Sharp --- lib/getopt.c | 1011 ----------------------------------------- lib/getopt.h | 143 ------ lib/getopt1.c | 163 ------- lib/subdir.am | 3 - tests/lib/cxxcompat.c | 1 - vrrpd/vrrp_main.c | 3 +- 6 files changed, 2 insertions(+), 1322 deletions(-) delete mode 100644 lib/getopt.c delete mode 100644 lib/getopt.h delete mode 100644 lib/getopt1.c diff --git a/lib/getopt.c b/lib/getopt.c deleted file mode 100644 index 9d0a311310..0000000000 --- a/lib/getopt.c +++ /dev/null @@ -1,1011 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* 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 drepper@gnu.org - * before changing it! - * - * Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 - * Free Software Foundation, Inc. - * - * NOTE: The canonical source of this file is maintained with the GNU C Library. - * Bugs can be reported to bug-glibc@gnu.org. - */ - -/* This tells Alpha OSF/1 not to define a getopt prototype in . - Ditto for AIX 3.2 and . */ -#ifndef _NO_PROTO -# define _NO_PROTO -#endif - -#include - -#if !defined __STDC__ || !__STDC__ -/* This is a separate conditional since some stdc systems - reject `defined (const)'. */ -#ifndef const -# define const -#endif -#endif - -#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. */ - -#define GETOPT_INTERFACE_VERSION 2 -#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 -#include -#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION -# define ELIDE_CODE -#endif -#endif - -#ifndef ELIDE_CODE - - -/* 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 -#include -#endif /* GNU C library. */ - -#ifdef VMS -#include -#if HAVE_STRING_H - 0 -#include -#endif -#endif - -#ifndef _ -/* This is for other GNU distributions with internationalized messages. - When compiling libc, the _ macro is predefined. */ -#ifdef HAVE_LIBINTL_H -#include -# define _(msgid) gettext (msgid) -#else -# define _(msgid) (msgid) -#endif -#endif - -/* 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 = NULL; - -/* 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 -1, 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. */ - -/* 1003.2 says this must be 1 before any call. */ -int optind = 1; - -/* Formerly, initialization of getopt depended on optind==0, which - causes problems with re-calling getopt as programs generally don't - know that. */ - -int __getopt_initialized = 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. */ - -int optopt = '?'; - -/* 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 -1 with `optind' != ARGC. */ - -static enum { REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER } ordering; - -/* Value of POSIXLY_CORRECT environment variable. */ -static char *posixly_correct; - -#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 -#else - -#if HAVE_STRING_H -#include -#else -#include -#endif - -/* Avoid depending on library functions or files - whose names are inconsistent. */ - -#ifndef getenv -extern char *getenv(const char *); -#endif - -static char *my_index(const char *str, int chr) -{ - while (*str) { - if (*str == chr) - return (char *)str; - str++; - } - return 0; -} - -/* If using GCC, we can safely declare strlen this way. - If not using GCC, it is ok not to declare it. */ -#ifdef __GNUC__ -/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. - That was relevant to code that was here before. */ -#if (!defined __STDC__ || !__STDC__) && !defined strlen -/* gcc with -traditional declares the built-in strlen to return int, - and has done so at least since version 2.4.5. -- rms. */ -extern int strlen(const char *); -#endif /* not __STDC__ */ -#endif /* __GNUC__ */ - -#endif /* not __GNU_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; - -#ifdef _LIBC -/* Bash 2.0 gives us an environment variable containing flags - indicating ARGV elements that should not be considered arguments. */ - -/* Defined in getopt_init.c */ -extern char *__getopt_nonoption_flags; - -static int nonoption_flags_max_len; -static int nonoption_flags_len; - -static int original_argc; -static char *const *original_argv; - -/* Make sure the environment variable bash 2.0 puts in the environment - is valid for the getopt call we must make sure that the ARGV passed - to getopt is that one passed to the process. */ -static void __attribute__((unused)) -store_args_and_env(int argc, char *const *argv) -{ - /* XXX This is no good solution. We should rather copy the args so - that we can compare them later. But we must not use malloc(3). */ - original_argc = argc; - original_argv = argv; -} -#ifdef text_set_element -text_set_element(__libc_subinit, store_args_and_env); -#endif /* text_set_element */ - -#define SWAP_FLAGS(ch1, ch2) \ - if (nonoption_flags_len > 0) { \ - char __tmp = __getopt_nonoption_flags[ch1]; \ - __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ - __getopt_nonoption_flags[ch2] = __tmp; \ - } -#else /* !_LIBC */ -# define SWAP_FLAGS(ch1, ch2) -#endif /* _LIBC */ - -/* 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. */ - -#if defined __STDC__ && __STDC__ -static void exchange(char **); -#endif - -static void exchange(argv) char **argv; -{ - int bottom = first_nonopt; - int middle = last_nonopt; - int top = optind; - char *tem; - -/* Exchange the shorter segment with the far end of the longer segment. - That puts the shorter segment into the right place. - It leaves the longer segment in the right place overall, - but it consists of two parts that need to be swapped next. */ - -#ifdef _LIBC - /* First make sure the handling of the `__getopt_nonoption_flags' - string can work normally. Our top argument must be in the range - of the string. */ - if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) { - /* We must extend the array. The user plays games with us and - presents new arguments. */ - char *new_str = malloc(top + 1); - if (new_str == NULL) - nonoption_flags_len = nonoption_flags_max_len = 0; - else { - memset(__mempcpy(new_str, __getopt_nonoption_flags, - nonoption_flags_max_len), - '\0', top + 1 - nonoption_flags_max_len); - nonoption_flags_max_len = top + 1; - __getopt_nonoption_flags = new_str; - } - } -#endif - - while (top > middle && middle > bottom) { - if (top - middle > middle - bottom) { - /* Bottom segment is the short one. */ - int len = middle - bottom; - register int i; - - /* Swap it with the top part of the top segment. */ - for (i = 0; i < len; i++) { - tem = argv[bottom + i]; - argv[bottom + i] = - argv[top - (middle - bottom) + i]; - argv[top - (middle - bottom) + i] = tem; - SWAP_FLAGS(bottom + i, - top - (middle - bottom) + i); - } - /* Exclude the moved bottom segment from further - * swapping. */ - top -= len; - } else { - /* Top segment is the short one. */ - int len = top - middle; - register int i; - - /* Swap it with the bottom part of the bottom segment. - */ - for (i = 0; i < len; i++) { - tem = argv[bottom + i]; - argv[bottom + i] = argv[middle + i]; - argv[middle + i] = tem; - SWAP_FLAGS(bottom + i, middle + i); - } - /* Exclude the moved top segment from further swapping. - */ - bottom += len; - } - } - - /* Update records for the slots the non-options now occupy. */ - - first_nonopt += (optind - last_nonopt); - last_nonopt = optind; -} - -/* Initialize the internal data when the first call is made. */ - -#if defined __STDC__ && __STDC__ -static const char *_getopt_initialize(int, char *const *, const char *); -#endif -static const char *_getopt_initialize(argc, argv, optstring) int argc; -char *const *argv; -const char *optstring; -{ - /* 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. */ - - first_nonopt = last_nonopt = optind; - - nextchar = NULL; - - posixly_correct = getenv("POSIXLY_CORRECT"); - - /* 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 (posixly_correct != NULL) - ordering = REQUIRE_ORDER; - else - ordering = PERMUTE; - -#ifdef _LIBC - if (posixly_correct == NULL && argc == original_argc - && argv == original_argv) { - if (nonoption_flags_max_len == 0) { - if (__getopt_nonoption_flags == NULL - || __getopt_nonoption_flags[0] == '\0') - nonoption_flags_max_len = -1; - else { - const char *orig_str = __getopt_nonoption_flags; - int len = nonoption_flags_max_len = - strlen(orig_str); - if (nonoption_flags_max_len < argc) - nonoption_flags_max_len = argc; - __getopt_nonoption_flags = - (char *)malloc(nonoption_flags_max_len); - if (__getopt_nonoption_flags == NULL) - nonoption_flags_max_len = -1; - else - memset(__mempcpy( - __getopt_nonoption_flags, - orig_str, len), - '\0', - nonoption_flags_max_len - len); - } - } - nonoption_flags_len = nonoption_flags_max_len; - } else - nonoption_flags_len = 0; -#endif - - return optstring; -} - -/* Scan elements of ARGV (whose length is ARGC) for option characters - given in OPTSTRING. - - 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. - - 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. - - If there are no more option characters, `getopt' returns -1. - 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.) - - OPTSTRING is a string containing the legitimate option characters. - If an option character is seen that is not listed in OPTSTRING, - return '?' after printing an error message. If you set `opterr' to - zero, the error message is suppressed but we still return '?'. - - 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(argc, argv, optstring, longopts, longind, - long_only) int argc; -char *const *argv; -const char *optstring; -const struct option *longopts; -int *longind; -int long_only; -{ - optarg = NULL; - - if (optind == 0 || !__getopt_initialized) { - if (optind == 0) - optind = 1; /* Don't scan ARGV[0], the program name. */ - optstring = _getopt_initialize(argc, argv, optstring); - __getopt_initialized = 1; - } - -/* Test whether ARGV[optind] points to a non-option argument. - Either it does not have option syntax, or there is an environment flag - from the shell indicating it is not an option. The later information - is only used when the used in the GNU libc. */ -#ifdef _LIBC -#define NONOPTION_P \ - (argv[optind][0] != '-' || argv[optind][1] == '\0' \ - || (optind < nonoption_flags_len \ - && __getopt_nonoption_flags[optind] == '1')) -#else -# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0') -#endif - - if (nextchar == NULL || *nextchar == '\0') { - /* Advance to the next ARGV-element. */ - - /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has - been - moved back by the user (who may also have changed the - arguments). */ - if (last_nonopt > optind) - last_nonopt = optind; - if (first_nonopt > optind) - first_nonopt = optind; - - 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; - - /* Skip any additional non-options - and extend the range of non-options previously - skipped. */ - - while (optind < argc && NONOPTION_P) - optind++; - last_nonopt = optind; - } - - /* The 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 -1; - } - - /* 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 (NONOPTION_P) { - if (ordering == REQUIRE_ORDER) - return -1; - optarg = argv[optind++]; - return 1; - } - - /* We have found another option-ARGV-element. - Skip the initial punctuation. */ - - nextchar = (argv[optind] + 1 - + (longopts != NULL && argv[optind][1] == '-')); - } - - /* Decode the current option-ARGV-element. */ - - /* Check whether the ARGV-element is a long option. - - If long_only and the ARGV-element has the form "-f", where f is - a valid short option, don't consider it an abbreviated form of - a long option that starts with f. Otherwise there would be no - way to give the -f short option. - - On the other hand, if there's a long option "fubar" and - the ARGV-element is "-fu", do consider that an abbreviation of - the long option, just like "--fu", and not "-f" with arg "u". - - This distinction seems to be the most useful approach. */ - - if (longopts != NULL - && (argv[optind][1] == '-' - || (long_only && (argv[optind][2] - || !my_index(optstring, argv[optind][1]))))) { - char *nameend; - const struct option *p; - const struct option *pfound = NULL; - int exact = 0; - int ambig = 0; - int indfound = -1; - int option_index; - - for (nameend = nextchar; *nameend && *nameend != '='; nameend++) - /* Do nothing. */; - - /* Test all long options for either exact match - or abbreviated matches. */ - for (p = longopts, option_index = 0; p->name; - p++, option_index++) - if (!strncmp(p->name, nextchar, nameend - nextchar)) { - if ((unsigned int)(nameend - nextchar) - == (unsigned int)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 or later nonexact match found. - */ - ambig = 1; - } - - if (ambig && !exact) { - if (opterr) - fprintf(stderr, - _("%s: option `%s' is ambiguous\n"), - argv[0], argv[optind]); - nextchar += strlen(nextchar); - optind++; - optopt = 0; - return '?'; - } - - if (pfound != NULL) { - option_index = indfound; - optind++; - if (*nameend) { - /* Don't test has_arg with >, because some C - compilers don't - allow it to be used on enums. */ - if (pfound->has_arg) - optarg = nameend + 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 += strlen(nextchar); - - optopt = pfound->val; - return '?'; - } - } 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 += strlen(nextchar); - optopt = pfound->val; - return optstring[0] == ':' ? ':' : '?'; - } - } - nextchar += 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] == '-' - || 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++; - optopt = 0; - return '?'; - } - } - - /* Look at and handle the next short 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 (posixly_correct) - /* 1003.2 specifies the format of this - * message. */ - fprintf(stderr, - _("%s: illegal option -- %c\n"), - argv[0], c); - else - fprintf(stderr, - _("%s: invalid option -- %c\n"), - argv[0], c); - } - optopt = c; - return '?'; - } - /* Convenience. Treat POSIX -W foo same as long option --foo */ - if (temp[0] == 'W' && temp[1] == ';') { - char *nameend; - const struct option *p; - const struct option *pfound = NULL; - int exact = 0; - int ambig = 0; - int indfound = 0; - int option_index; - - /* 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) { - /* 1003.2 specifies the format of this - * message. */ - fprintf(stderr, - _("%s: option requires an argument -- %c\n"), - argv[0], c); - } - optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - return c; - } else - /* We already incremented `optind' once; - increment it again when taking next ARGV-elt - as argument. */ - optarg = argv[optind++]; - - /* optarg is now the argument, see if it's in the - table of longopts. */ - - for (nextchar = nameend = optarg; - *nameend && *nameend != '='; nameend++) - /* Do nothing. */; - - /* Test all long options for either exact match - or abbreviated matches. */ - for (p = longopts, option_index = 0; p->name; - p++, option_index++) - if (!strncmp(p->name, nextchar, - nameend - nextchar)) { - if ((unsigned int)(nameend - nextchar) - == 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 or later nonexact - * match found. */ - ambig = 1; - } - if (ambig && !exact) { - if (opterr) - fprintf(stderr, - _("%s: option `-W %s' is ambiguous\n"), - argv[0], argv[optind]); - nextchar += strlen(nextchar); - optind++; - return '?'; - } - if (pfound != NULL) { - option_index = indfound; - if (*nameend) { - /* Don't test has_arg with >, because - some C compilers don't - allow it to be used on enums. */ - if (pfound->has_arg) - optarg = nameend + 1; - else { - if (opterr) - fprintf(stderr, _("\ -%s: option `-W %s' doesn't allow an argument\n"), - argv[0], - pfound->name); - - nextchar += strlen(nextchar); - return '?'; - } - } 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 += strlen(nextchar); - return optstring[0] == ':' - ? ':' - : '?'; - } - } - nextchar += strlen(nextchar); - if (longind != NULL) - *longind = option_index; - if (pfound->flag) { - *(pfound->flag) = pfound->val; - return 0; - } - return pfound->val; - } - nextchar = NULL; - return 'W'; /* Let the application handle it. */ - } - if (temp[1] == ':') { - if (temp[2] == ':') { - /* This is an option that accepts an argument - * optionally. */ - if (*nextchar != '\0') { - optarg = nextchar; - optind++; - } else - optarg = NULL; - 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) { - /* 1003.2 specifies the format - * of this message. */ - fprintf(stderr, - _("%s: option requires an argument -- %c\n"), - argv[0], c); - } - optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - } else - /* We already incremented `optind' once; - increment it again when taking next - ARGV-elt as argument. */ - optarg = argv[optind++]; - nextchar = NULL; - } - } - return c; - } -} - -#ifdef REALLY_NEED_PLAIN_GETOPT - -int getopt(argc, argv, optstring) int argc; -char *const *argv; -const char *optstring; -{ - return _getopt_internal(argc, argv, optstring, (const struct option *)0, - (int *)0, 0); -} - -#endif /* REALLY_NEED_PLAIN_GETOPT */ - -#endif /* Not ELIDE_CODE. */ - -#ifdef TEST - -/* Compile with -DTEST to make an executable for use in testing - the above definition of `getopt'. */ - -int main(argc, argv) 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 == -1) - 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 '?': - 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/lib/getopt.h b/lib/getopt.h deleted file mode 100644 index 7863bdb66a..0000000000 --- a/lib/getopt.h +++ /dev/null @@ -1,143 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* Declarations for getopt. - * Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc. - * - * NOTE: The canonical source of this file is maintained with the GNU C Library. - * Bugs can be reported to bug-glibc@gnu.org. - */ - -#ifndef _GETOPT_H -#define _GETOPT_H 1 - -/* - * The operating system may or may not provide getopt_long(), and if - * so it may or may not be a version we are willing to use. Our - * strategy is to declare getopt here, and then provide code unless - * the supplied version is adequate. The difficult case is when a - * declaration for getopt is provided, as our declaration must match. - * - * XXX Arguably this version should be named differently, and the - * local names defined to refer to the system version when we choose - * to use the system version. - */ - -#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 -1, 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 defined(__STDC__) && __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 defined(__STDC__) && __STDC__ - -#ifdef REALLY_NEED_PLAIN_GETOPT - -/* - * getopt is defined in POSIX.2. Assume that if the system defines - * getopt that it complies with POSIX.2. If not, an autoconf test - * should be written to define NONPOSIX_GETOPT_DEFINITION. - */ -#ifndef NONPOSIX_GETOPT_DEFINITION -extern int getopt(int argc, char *const *argv, const char *shortopts); -#else /* NONPOSIX_GETOPT_DEFINITION */ -extern int getopt(void); -#endif /* NONPOSIX_GETOPT_DEFINITION */ - -#endif - - -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__ */ - -#ifdef REALLY_NEED_PLAIN_GETOPT -extern int getopt(); -#endif /* REALLY_NEED_PLAIN_GETOPT */ - -extern int getopt_long(); -extern int getopt_long_only(); - -extern int _getopt_internal(); - -#endif /* __STDC__ */ - -#ifdef __cplusplus -} -#endif - -#endif /* getopt.h */ diff --git a/lib/getopt1.c b/lib/getopt1.c deleted file mode 100644 index cf21c3aab4..0000000000 --- a/lib/getopt1.c +++ /dev/null @@ -1,163 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* getopt_long and getopt_long_only entry points for GNU getopt. - * Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 - * Free Software Foundation, Inc. - * - * NOTE: The canonical source of this file is maintained with the GNU C Library. - * Bugs can be reported to bug-glibc@gnu.org. - */ - -#include -#include "getopt.h" - -#if !defined __STDC__ || !__STDC__ -/* This is a separate conditional since some stdc systems - reject `defined (const)'. */ -#ifndef const -#define const -#endif -#endif - -#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. */ - -#define GETOPT_INTERFACE_VERSION 2 -#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 -#include -#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION -#define ELIDE_CODE -#endif -#endif - -#ifndef ELIDE_CODE - - -/* This needs to come after some library #include - to get __GNU_LIBRARY__ defined. */ -#ifdef __GNU_LIBRARY__ -#include -#endif - -#ifndef NULL -#define NULL 0 -#endif - -int getopt_long(argc, argv, options, long_options, opt_index) 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); -} - -/* Like getopt_long, but '-' as well as '--' can indicate a long option. - If an option that starts with '-' (not '--') doesn't match a long option, - but does match a short option, it is parsed as a short option - instead. */ - -int getopt_long_only(argc, argv, options, long_options, opt_index) 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, - 1); -} - - -#endif /* Not ELIDE_CODE. */ - -#ifdef TEST - -#include - -int main(argc, argv) int argc; -char **argv; -{ - int c; - int digit_optind = 0; - - while (1) { - int this_option_optind = optind ? optind : 1; - int option_index = 0; - static struct option long_options[] = { - {"add", 1, 0, 0}, {"append", 0, 0, 0}, - {"delete", 1, 0, 0}, {"verbose", 0, 0, 0}, - {"create", 0, 0, 0}, {"file", 1, 0, 0}, - {0, 0, 0, 0}}; - - c = getopt_long(argc, argv, "abc:d:0123456789", long_options, - &option_index); - if (c == -1) - break; - - switch (c) { - case 0: - printf("option %s", long_options[option_index].name); - if (optarg) - printf(" with arg %s", optarg); - printf("\n"); - break; - - 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 'd': - printf("option d with value `%s'\n", optarg); - break; - - case '?': - 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/lib/subdir.am b/lib/subdir.am index 469fac2446..0f5bbef0b2 100644 --- a/lib/subdir.am +++ b/lib/subdir.am @@ -38,8 +38,6 @@ lib_libfrr_la_SOURCES = \ lib/frrscript.c \ lib/frr_pthread.c \ lib/frrstr.c \ - lib/getopt.c \ - lib/getopt1.c \ lib/grammar_sandbox.c \ lib/graph.c \ lib/hash.c \ @@ -217,7 +215,6 @@ pkginclude_HEADERS += \ lib/frratomic.h \ lib/frrcu.h \ lib/frrstr.h \ - lib/getopt.h \ lib/graph.h \ lib/hash.h \ lib/hook.h \ diff --git a/tests/lib/cxxcompat.c b/tests/lib/cxxcompat.c index 8f54856186..4ad41fca42 100644 --- a/tests/lib/cxxcompat.c +++ b/tests/lib/cxxcompat.c @@ -25,7 +25,6 @@ #include "lib/frr_pthread.h" #include "lib/frratomic.h" #include "lib/frrstr.h" -#include "lib/getopt.h" #include "lib/graph.h" #include "lib/hash.h" #include "lib/hook.h" diff --git a/vrrpd/vrrp_main.c b/vrrpd/vrrp_main.c index 32ee4bb136..5245c74689 100644 --- a/vrrpd/vrrp_main.c +++ b/vrrpd/vrrp_main.c @@ -6,11 +6,12 @@ */ #include +#include + #include #include "lib/command.h" #include "lib/filter.h" -#include "lib/getopt.h" #include "lib/if.h" #include "lib/libfrr.h" #include "lib/log.h"