getopt under MSVC

pull/2045/head
Rachel Powers 2023-03-26 00:13:59 -07:00
parent d0b282385b
commit 38426a0075
5 changed files with 722 additions and 23 deletions

View File

@ -29,8 +29,8 @@ config_h_add_compile_definitions(PACKAGE_BUGREPORT="https://github.com/aria2/ari
config_h_add_compile_definitions(PACKAGE_VERSION="${PROJECT_VERSION}") config_h_add_compile_definitions(PACKAGE_VERSION="${PROJECT_VERSION}")
config_h_add_compile_definitions(VERSION="${PROJECT_VERSION}") config_h_add_compile_definitions(VERSION="${PROJECT_VERSION}")
config_h_add_compile_definitions(HOST="${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}") config_h_add_compile_definitions(HOST="${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}")
config_h_add_compile_definitions(BUILD="${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}") config_h_add_compile_definitions(BUILD="${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}-${CMAKE_CXX_COMPILER_ID}")
config_h_add_compile_definitions(TARGET="${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM}-${CMAKE_CXX_COMPILER_TARGET}") config_h_add_compile_definitions(TARGET="${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM}-${CMAKE_CXX_COMPILER_ID}")
if(WIN32) if(WIN32)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_POSIX_C_SOURCE=1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_POSIX_C_SOURCE=1")
@ -84,7 +84,8 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
add_compile_definitions(NOMINMAX) add_compile_definitions(NOMINMAX)
config_h_add_compile_macro("__restrict__ __restrict") config_h_add_compile_macro("__restrict__ __restrict")
config_h_add_compile_macro("__attribute__(unused) /*Empty*/") config_h_add_compile_macro("__attribute__(unused) /*Empty*/")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus /Zc:__STDC__")
# add_compile_definitions("__STDC__=1") # even with the /Zc:__STDC__ flag the compiler will not define this in C++ mode
endif() endif()
if(WIN32 AND NOT MINGW) if(WIN32 AND NOT MINGW)
@ -375,6 +376,7 @@ if(WITH_OPENSSL)
set(OPENSSL_CFLAGS "") set(OPENSSL_CFLAGS "")
set(OPENSSL_LIBS ${OPENSSL_LIBRARIES}) set(OPENSSL_LIBS ${OPENSSL_LIBRARIES})
config_h_add_compile_definitions(HAVE_OPENSSL=1) config_h_add_compile_definitions(HAVE_OPENSSL=1)
set(HAVE_SSL yes CACHE BOOL "Have SSL support" FORCE)
set(save_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) set(save_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(save_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES}) set(save_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
@ -702,6 +704,7 @@ set(_check_funcs
memchr memchr
memmove memmove
mempcpy mempcpy
memcpy
memset memset
mkdir mkdir
mmap mmap
@ -835,6 +838,13 @@ endforeach()
unset(_check_funcs) unset(_check_funcs)
if(NOT HAVE_GAI_STRERR AND HAVE_WS2TCPIP_H AND (WIN32 AND NOT MINGW))
set(HAVE_GAI_STRERROR true) # It's there in ws2tcpip.h
config_h_add_compile_definitions(HAVE_GAI_STRERROR)
set(HAVE_GETADDRINFO true) # It's there in ws2tcpip.h
config_h_add_compile_definitions(HAVE_GETADDRINFO)
endif()
if(HAVE_KQUEUE) if(HAVE_KQUEUE)
message(STATUS "Checking whether struct kevent.udata is intptr_t") message(STATUS "Checking whether struct kevent.udata is intptr_t")
set(_tmp_src set(_tmp_src
@ -933,7 +943,7 @@ message(STATUS "summary of build options: \n\
Build: ${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}-${CMAKE_CXX_COMPILER_ID} Build: ${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}-${CMAKE_CXX_COMPILER_ID}
Host: ${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM} Host: ${CMAKE_HOST_SYSTEM_PROCESSOR}-${CMAKE_HOST_SYSTEM}
Target: ${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM}-${CMAKE_CXX_COMPILER_TARGET} Target: ${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM}-${CMAKE_CXX_COMPILER_ID}
Install prefix: ${CMAKE_INSTALL_PREFIX} Install prefix: ${CMAKE_INSTALL_PREFIX}
CC: ${CMAKE_C_COMPILER} CC: ${CMAKE_C_COMPILER}
CXX: ${CMAKE_CXX_COMPILER} CXX: ${CMAKE_CXX_COMPILER}

View File

@ -5,13 +5,11 @@ add_subdirectory(includes)
# ########## next target ############### # ########## next target ###############
set(aria2c_SRCS main.cc) set(aria2c_SRCS main.cc)
add_library(main OBJECT ${aria2c_SRCS}) add_executable(aria2c ${aria2c_SRCS})
target_include_directories(main PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/includes) target_include_directories(aria2c PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/includes)
target_include_directories(main PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) target_include_directories(aria2c PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
add_executable(aria2c $<TARGET_OBJECTS:main>)
target_link_libraries(aria2c main)
install(TARGETS aria2c ${INSTALL_TARGETS_DEFAULT_ARGS}) install(TARGETS aria2c ${INSTALL_TARGETS_DEFAULT_ARGS})
# ########## next target ############### # ########## next target ###############
@ -1154,7 +1152,7 @@ if(NOT HAVE_BASENAME)
) )
endif() endif()
if(NOT HAVE_GETADDRINFO) if(NOT HAVE_GETADDRINFO OR MSVC)
set(aria2_SRCS set(aria2_SRCS
${aria2_SRCS} ${aria2_SRCS}
@ -1253,6 +1251,18 @@ if(HAVE_LIBUV)
) )
endif() endif()
if(WIN32 AND NOT MINGW)
set(aria2_SRCS
${aria2_SRCS}
getopt/getopt.c
getopt/getopt.h
)
set(USE_MINGW_GETOPT true)
endif()
if(ENABLE_LIBARIA2) if(ENABLE_LIBARIA2)
set(aria2_SRCS set(aria2_SRCS
${aria2_SRCS} ${aria2_SRCS}
@ -1267,6 +1277,10 @@ if(ENABLE_LIBARIA2)
set(LIBARIA2_BUILD_MODE SHARED) set(LIBARIA2_BUILD_MODE SHARED)
if(MSVC)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
endif()
# add_library(aria2 SHARED ${aria2_SRCS}) # add_library(aria2 SHARED ${aria2_SRCS})
else() else()
set(LIBARIA2_BUILD_MODE STATIC) set(LIBARIA2_BUILD_MODE STATIC)
@ -1280,32 +1294,39 @@ target_include_directories(aria2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/includes)
target_include_directories(aria2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) target_include_directories(aria2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
target_include_directories(aria2 INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/includes) target_include_directories(aria2 INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/includes)
if(USE_MINGW_GETOPT)
target_include_directories(aria2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/getopt)
target_include_directories(aria2c PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/getopt)
endif()
if(HAVE_ZLIB) if(HAVE_ZLIB)
target_include_directories(aria2 PUBLIC ${ZLIB_INCLUDE_DIRS}) target_include_directories(aria2 PUBLIC ${ZLIB_INCLUDE_DIRS})
target_include_directories(main PUBLIC ${LIBXML2_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${ZLIB_INCLUDE_DIRS})
target_link_libraries(aria2 ZLIB::ZLIB) target_link_libraries(aria2 ZLIB::ZLIB)
endif() endif()
if(HAVE_LIBUV) if(HAVE_LIBUV)
target_include_directories(aria2 PUBLIC ${LIBUV_INCLUDE_DIRS}) target_include_directories(aria2 PUBLIC ${LIBUV_INCLUDE_DIRS})
target_include_directories(aria2c PUBLIC ${LIBUV_INCLUDE_DIRS})
target_link_libraries(aria2 LIBUV::LIBUV) target_link_libraries(aria2 LIBUV::LIBUV)
endif() endif()
if(HAVE_LIBXML2) if(HAVE_LIBXML2)
target_include_directories(aria2 PUBLIC ${LIBXML2_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${LIBXML2_INCLUDE_DIR})
target_include_directories(main PUBLIC ${LIBXML2_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${LIBXML2_INCLUDE_DIR})
target_link_libraries(aria2 LibXml2::LibXml2) target_link_libraries(aria2 LibXml2::LibXml2)
endif() endif()
if(HAVE_LIBEXPAT) if(HAVE_LIBEXPAT)
target_include_directories(aria2 PUBLIC ${EXPAT_INCLUDE_DIRS}) target_include_directories(aria2 PUBLIC ${EXPAT_INCLUDE_DIRS})
target_include_directories(main PUBLIC ${EXPAT_INCLUDE_DIRS}) target_include_directories(aria2c PUBLIC ${EXPAT_INCLUDE_DIRS})
target_link_libraries(aria2 EXPAT::EXPAT) target_link_libraries(aria2 EXPAT::EXPAT)
endif() endif()
if(HAVE_SQLITE3) if(HAVE_SQLITE3)
target_include_directories(aria2 PUBLIC ${SQLite3_INCLUDE_DIRS}) target_include_directories(aria2 PUBLIC ${SQLite3_INCLUDE_DIRS})
target_include_directories(main PUBLIC ${SQLite3_INCLUDE_DIRS}) target_include_directories(aria2c PUBLIC ${SQLite3_INCLUDE_DIRS})
target_link_libraries(aria2 SQLite::SQLite3) target_link_libraries(aria2 SQLite::SQLite3)
endif() endif()
@ -1320,14 +1341,14 @@ endif()
if(HAVE_LIBGNUTLS) if(HAVE_LIBGNUTLS)
target_include_directories(aria2 PUBLIC ${GNUTLS_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${GNUTLS_INCLUDE_DIR})
target_compile_definitions(aria2 PUBLIC ${LIBGNUTLS_CFLAGS}) target_compile_definitions(aria2 PUBLIC ${LIBGNUTLS_CFLAGS})
target_include_directories(main PUBLIC ${GNUTLS_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${GNUTLS_INCLUDE_DIR})
target_compile_definitions(main PUBLIC ${LIBGNUTLS_CFLAGS}) target_compile_definitions(aria2c PUBLIC ${LIBGNUTLS_CFLAGS})
target_link_libraries(aria2 GnuTLS::GnuTLS) target_link_libraries(aria2 GnuTLS::GnuTLS)
endif() endif()
if(HAVE_OPENSSL) if(HAVE_OPENSSL)
target_include_directories(aria2 PUBLIC ${OPENSSL_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${OPENSSL_INCLUDE_DIR})
target_include_directories(main PUBLIC ${OPENSSL_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${OPENSSL_INCLUDE_DIR})
target_link_libraries(aria2 OpenSSL::SSL) target_link_libraries(aria2 OpenSSL::SSL)
@ -1336,36 +1357,37 @@ endif()
if(HAVE_LIBNETTLE) if(HAVE_LIBNETTLE)
target_include_directories(aria2 PUBLIC ${NETTLE_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${NETTLE_INCLUDE_DIR})
target_include_directories(main PUBLIC ${NETTLE_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${NETTLE_INCLUDE_DIR})
target_link_libraries(aria2 Nettle::Nettle) target_link_libraries(aria2 Nettle::Nettle)
endif() endif()
if(HAVE_LIBGMP) if(HAVE_LIBGMP)
target_include_directories(aria2 PUBLIC ${GMP_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${GMP_INCLUDE_DIR})
target_include_directories(main PUBLIC ${GMP_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${GMP_INCLUDE_DIR})
target_link_libraries(aria2 GMP::GMP) target_link_libraries(aria2 GMP::GMP)
endif() endif()
if(HAVE_LIBGCRYPT) if(HAVE_LIBGCRYPT)
target_include_directories(aria2 PUBLIC ${LibGcrypt_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${LibGcrypt_INCLUDE_DIR})
target_include_directories(main PUBLIC ${LibGcrypt_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${LibGcrypt_INCLUDE_DIR})
target_link_libraries(aria2 LibGcrypt::LibGcrypt) target_link_libraries(aria2 LibGcrypt::LibGcrypt)
endif() endif()
if(HAVE_LIBSSH2) if(HAVE_LIBSSH2)
target_include_directories(aria2 PUBLIC ${LIBSSH2_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${LIBSSH2_INCLUDE_DIR})
target_include_directories(main PUBLIC ${LIBSSH2_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${LIBSSH2_INCLUDE_DIR})
target_link_libraries(aria2 LibSSH2::LibSSH2) target_link_libraries(aria2 LibSSH2::LibSSH2)
endif() endif()
if(HAVE_LIBCARES) if(HAVE_LIBCARES)
target_include_directories(aria2 PUBLIC ${LIBCARES_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${LIBCARES_INCLUDE_DIR})
target_include_directories(aria2c PUBLIC ${LIBCARES_INCLUDE_DIR})
target_link_libraries(aria2 Libcares::Libcares) target_link_libraries(aria2 Libcares::Libcares)
endif() endif()
if(ENABLE_WEBSOCKET) if(ENABLE_WEBSOCKET)
target_include_directories(aria2 PUBLIC ${WSLAY_INCLUDE_DIR}) target_include_directories(aria2 PUBLIC ${WSLAY_INCLUDE_DIR})
target_include_directories(main PUBLIC ${WSLAY_INCLUDE_DIR}) target_include_directories(aria2c PUBLIC ${WSLAY_INCLUDE_DIR})
target_link_libraries(aria2 wslay) target_link_libraries(aria2 wslay)
endif() endif()

View File

@ -36,8 +36,8 @@
#ifndef NO_UNIX #ifndef NO_UNIX
# include <unistd.h> # include <unistd.h>
# include <getopt.h>
#endif #endif
#include <getopt.h>
#ifdef HAVE_SYS_RESOURCE_H #ifdef HAVE_SYS_RESOURCE_H

562
src/getopt/getopt.c Normal file
View File

@ -0,0 +1,562 @@
/* $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) 2002 Todd C. Miller <Todd.Miller@courtesan.com>
*
* 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.
*/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <stdarg.h>
#include <stdio.h>
#include <windows.h>
#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */
#ifdef REPLACE_GETOPT
int opterr = 1; /* if error message should be printed */
int optind = 1; /* index into parent argv vector */
int optopt = '?'; /* character checked for validity */
#undef optreset /* see getopt.h */
#define optreset __mingw_optreset
int optreset; /* reset getopt */
char *optarg; /* argument associated with option */
#endif
#define PRINT_ERROR ((opterr) && (*options != ':'))
#define FLAG_PERMUTE 0x01 /* permute non-options to the end of argv */
#define FLAG_ALLARGS 0x02 /* treat non-options as args to option "-1" */
#define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */
/* return values */
#define BADCH (int)'?'
#define BADARG ((*options == ':') ? (int)':' : (int)'?')
#define INORDER (int)1
#ifndef __CYGWIN__
#define __progname __argv[0]
#else
extern char __declspec(dllimport) *__progname;
#endif
#ifdef __CYGWIN__
static char EMSG[] = "";
#else
#define EMSG ""
#endif
static int getopt_internal(int, char * const *, const char *,
const struct option *, int *, int);
static int parse_long_options(char * const *, const char *,
const struct option *, int *, int);
static int gcd(int, int);
static void permute_args(int, int, int, char * const *);
static char *place = EMSG; /* option letter processing */
/* XXX: set optreset to 1 rather than these two */
static int nonopt_start = -1; /* first non option argument (for permute) */
static int nonopt_end = -1; /* first option after non options (for permute) */
/* Error messages */
static const char recargchar[] = "option requires an argument -- %c";
static const char recargstring[] = "option requires an argument -- %s";
static const char ambig[] = "ambiguous option -- %.*s";
static const char noarg[] = "option doesn't take an argument -- %.*s";
static const char illoptchar[] = "unknown option -- %c";
static const char illoptstring[] = "unknown option -- %s";
static void
_vwarnx(const char *fmt,va_list ap)
{
(void)fprintf(stderr,"%s: ",__progname);
if (fmt != NULL)
(void)vfprintf(stderr,fmt,ap);
(void)fprintf(stderr,"\n");
}
static void
warnx(const char *fmt,...)
{
va_list ap;
va_start(ap,fmt);
_vwarnx(fmt,ap);
va_end(ap);
}
/*
* Compute the greatest common divisor of a and b.
*/
static int
gcd(int a, int b)
{
int c;
c = a % b;
while (c != 0) {
a = b;
b = c;
c = a % b;
}
return (b);
}
/*
* Exchange the block from nonopt_start to nonopt_end with the block
* from nonopt_end to opt_end (keeping the same order of arguments
* in each block).
*/
static void
permute_args(int panonopt_start, int panonopt_end, int opt_end,
char * const *nargv)
{
int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
char *swap;
/*
* compute lengths of blocks and number and size of cycles
*/
nnonopts = panonopt_end - panonopt_start;
nopts = opt_end - panonopt_end;
ncycle = gcd(nnonopts, nopts);
cyclelen = (opt_end - panonopt_start) / ncycle;
for (i = 0; i < ncycle; i++) {
cstart = panonopt_end+i;
pos = cstart;
for (j = 0; j < cyclelen; j++) {
if (pos >= panonopt_end)
pos -= nnonopts;
else
pos += nopts;
swap = nargv[pos];
/* LINTED const cast */
((char **) nargv)[pos] = nargv[cstart];
/* LINTED const cast */
((char **)nargv)[cstart] = swap;
}
}
}
/*
* parse_long_options --
* Parse long options in argc/argv argument vector.
* Returns -1 if short_too is set and the option does not match long_options.
*/
static int
parse_long_options(char * const *nargv, const char *options,
const struct option *long_options, int *idx, int short_too)
{
char *current_argv, *has_equal;
size_t current_argv_len;
int i, ambiguous, match;
#define IDENTICAL_INTERPRETATION(_x, _y) \
(long_options[(_x)].has_arg == long_options[(_y)].has_arg && \
long_options[(_x)].flag == long_options[(_y)].flag && \
long_options[(_x)].val == long_options[(_y)].val)
current_argv = place;
match = -1;
ambiguous = 0;
optind++;
if ((has_equal = strchr(current_argv, '=')) != NULL) {
/* argument found (--option=arg) */
current_argv_len = has_equal - current_argv;
has_equal++;
} 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) == current_argv_len) {
/* exact match */
match = i;
ambiguous = 0;
break;
}
/*
* If this is a known short option, don't allow
* a partial match of a single character.
*/
if (short_too && current_argv_len == 1)
continue;
if (match == -1) /* partial match */
match = i;
else if (!IDENTICAL_INTERPRETATION(i, match))
ambiguous = 1;
}
if (ambiguous) {
/* ambiguous abbreviation */
if (PRINT_ERROR)
warnx(ambig, (int)current_argv_len,
current_argv);
optopt = 0;
return (BADCH);
}
if (match != -1) { /* option found */
if (long_options[match].has_arg == no_argument
&& has_equal) {
if (PRINT_ERROR)
warnx(noarg, (int)current_argv_len,
current_argv);
/*
* XXX: GNU sets optopt to val regardless of flag
*/
if (long_options[match].flag == NULL)
optopt = long_options[match].val;
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 (short_too) {
--optind;
return (-1);
}
if (PRINT_ERROR)
warnx(illoptstring, current_argv);
optopt = 0;
return (BADCH);
}
if (idx)
*idx = match;
if (long_options[match].flag) {
*long_options[match].flag = long_options[match].val;
return (0);
} else
return (long_options[match].val);
#undef IDENTICAL_INTERPRETATION
}
/*
* getopt_internal --
* Parse argc/argv argument vector. Called by user level routines.
*/
static int
getopt_internal(int nargc, char * const *nargv, const char *options,
const struct option *long_options, int *idx, int flags)
{
const char *oli; /* option letter list index */
int optchar, short_too;
static int posixly_correct = -1;
if (options == NULL)
return (-1);
/*
* XXX Some GNU programs (like cvs) set optind to 0 instead of
* XXX using optreset. Work around this braindamage.
*/
if (optind == 0)
optind = optreset = 1;
/*
* Disable GNU extensions if POSIXLY_CORRECT is set or options
* string begins with a '+'.
*
* CV, 2009-12-14: Check POSIXLY_CORRECT anew if optind == 0 or
* optreset != 0 for GNU compatibility.
*/
if (posixly_correct == -1 || optreset != 0)
posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
if (*options == '-')
flags |= FLAG_ALLARGS;
else if (posixly_correct || *options == '+')
flags &= ~FLAG_PERMUTE;
if (*options == '+' || *options == '-')
options++;
optarg = NULL;
if (optreset)
nonopt_start = nonopt_end = -1;
start:
if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc) { /* end of argument vector */
place = EMSG;
if (nonopt_end != -1) {
/* do permutation, if we have to */
permute_args(nonopt_start, nonopt_end,
optind, nargv);
optind -= nonopt_end - nonopt_start;
}
else if (nonopt_start != -1) {
/*
* If we skipped non-options, set optind
* to the first of them.
*/
optind = nonopt_start;
}
nonopt_start = nonopt_end = -1;
return (-1);
}
if (*(place = nargv[optind]) != '-' ||
(place[1] == '\0' && strchr(options, '-') == NULL)) {
place = EMSG; /* found non-option */
if (flags & FLAG_ALLARGS) {
/*
* GNU extension:
* return non-option as argument to option 1
*/
optarg = nargv[optind++];
return (INORDER);
}
if (!(flags & FLAG_PERMUTE)) {
/*
* If no permutation wanted, stop parsing
* at first non-option.
*/
return (-1);
}
/* do permutation */
if (nonopt_start == -1)
nonopt_start = optind;
else if (nonopt_end != -1) {
permute_args(nonopt_start, nonopt_end,
optind, nargv);
nonopt_start = optind -
(nonopt_end - nonopt_start);
nonopt_end = -1;
}
optind++;
/* process next argument */
goto start;
}
if (nonopt_start != -1 && nonopt_end == -1)
nonopt_end = optind;
/*
* If we have "-" do nothing, if "--" we are done.
*/
if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {
optind++;
place = EMSG;
/*
* We found an option (--), so if we skipped
* non-options, we have to permute.
*/
if (nonopt_end != -1) {
permute_args(nonopt_start, nonopt_end,
optind, nargv);
optind -= nonopt_end - nonopt_start;
}
nonopt_start = nonopt_end = -1;
return (-1);
}
}
/*
* Check long options if:
* 1) we were passed some
* 2) the arg is not just "-"
* 3) either the arg starts with -- we are getopt_long_only()
*/
if (long_options != NULL && place != nargv[optind] &&
(*place == '-' || (flags & FLAG_LONGONLY))) {
short_too = 0;
if (*place == '-')
place++; /* --foo long option */
else if (*place != ':' && strchr(options, *place) != NULL)
short_too = 1; /* could be short option too */
optchar = parse_long_options(nargv, options, long_options,
idx, short_too);
if (optchar != -1) {
place = EMSG;
return (optchar);
}
}
if ((optchar = (int)*place++) == (int)':' ||
(optchar == (int)'-' && *place != '\0') ||
(oli = strchr(options, optchar)) == NULL) {
/*
* If the user specified "-" and '-' isn't listed in
* options, return -1 (non-option) as per POSIX.
* Otherwise, it is an unknown option character (or ':').
*/
if (optchar == (int)'-' && *place == '\0')
return (-1);
if (!*place)
++optind;
if (PRINT_ERROR)
warnx(illoptchar, optchar);
optopt = optchar;
return (BADCH);
}
if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
/* -W long-option */
if (*place) /* no space */
/* NOTHING */;
else if (++optind >= nargc) { /* no arg */
place = EMSG;
if (PRINT_ERROR)
warnx(recargchar, optchar);
optopt = optchar;
return (BADARG);
} else /* white space */
place = nargv[optind];
optchar = parse_long_options(nargv, options, long_options,
idx, 0);
place = EMSG;
return (optchar);
}
if (*++oli != ':') { /* doesn't take argument */
if (!*place)
++optind;
} else { /* takes (optional) argument */
optarg = NULL;
if (*place) /* no white space */
optarg = place;
else if (oli[1] != ':') { /* arg not optional */
if (++optind >= nargc) { /* no arg */
place = EMSG;
if (PRINT_ERROR)
warnx(recargchar, optchar);
optopt = optchar;
return (BADARG);
} 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 BSD getopt]
*/
int
getopt(int nargc, char * const *nargv, const char *options)
{
/*
* We don't pass FLAG_PERMUTE to getopt_internal() since
* the BSD getopt(3) (unlike GNU) has never done this.
*
* Furthermore, since many privileged programs call getopt()
* before dropping privileges it makes sense to keep things
* as simple (and bug-free) as possible.
*/
return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
}
#endif /* REPLACE_GETOPT */
/*
* getopt_long --
* Parse argc/argv argument vector.
*/
int
getopt_long(int nargc, char * const *nargv, const char *options,
const struct option *long_options, int *idx)
{
return (getopt_internal(nargc, nargv, options, long_options, idx,
FLAG_PERMUTE));
}
/*
* getopt_long_only --
* Parse argc/argv argument vector.
*/
int
getopt_long_only(int nargc, char * const *nargv, const char *options,
const struct option *long_options, int *idx)
{
return (getopt_internal(nargc, nargv, options, long_options, idx,
FLAG_PERMUTE|FLAG_LONGONLY));
}

105
src/getopt/getopt.h Normal file
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@ -0,0 +1,105 @@
#ifndef __GETOPT_H__
/**
* DISCLAIMER
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the w64 mingw-runtime package.
*
* The w64 mingw-runtime package and its code is distributed in the hope that it
* will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR
* IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to
* warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#define __GETOPT_H__
/* All the headers include this file. */
#include <crtdefs.h>
#if defined( WINGETOPT_SHARED_LIB )
# if defined( BUILDING_WINGETOPT_DLL )
# define WINGETOPT_API __declspec(dllexport)
# else
# define WINGETOPT_API __declspec(dllimport)
# endif
#else
# define WINGETOPT_API
#endif
#ifdef __cplusplus
extern "C" {
#endif
WINGETOPT_API extern int optind; /* index of first non-option in argv */
WINGETOPT_API extern int optopt; /* single option character, as parsed */
WINGETOPT_API extern int opterr; /* flag to enable built-in diagnostics... */
/* (user may set to zero, to suppress) */
WINGETOPT_API extern char *optarg; /* pointer to argument of current option */
extern int getopt(int nargc, char * const *nargv, const char *options);
#ifdef _BSD_SOURCE
/*
* BSD adds the non-standard `optreset' feature, for reinitialisation
* of `getopt' parsing. We support this feature, for applications which
* proclaim their BSD heritage, before including this header; however,
* to maintain portability, developers are advised to avoid it.
*/
# define optreset __mingw_optreset
extern int optreset;
#endif
#ifdef __cplusplus
}
#endif
/*
* POSIX requires the `getopt' API to be specified in `unistd.h';
* thus, `unistd.h' includes this header. However, we do not want
* to expose the `getopt_long' or `getopt_long_only' APIs, when
* included in this manner. Thus, close the standard __GETOPT_H__
* declarations block, and open an additional __GETOPT_LONG_H__
* specific block, only when *not* __UNISTD_H_SOURCED__, in which
* to declare the extended API.
*/
#endif /* !defined(__GETOPT_H__) */
#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
#define __GETOPT_LONG_H__
#ifdef __cplusplus
extern "C" {
#endif
struct option /* specification for a long form option... */
{
const char *name; /* option name, without leading hyphens */
int has_arg; /* does it take an argument? */
int *flag; /* where to save its status, or NULL */
int val; /* its associated status value */
};
enum /* permitted values for its `has_arg' field... */
{
no_argument = 0, /* option never takes an argument */
required_argument, /* option always requires an argument */
optional_argument /* option may take an argument */
};
extern int getopt_long(int nargc, char * const *nargv, const char *options,
const struct option *long_options, int *idx);
extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
const struct option *long_options, int *idx);
/*
* Previous MinGW implementation had...
*/
#ifndef HAVE_DECL_GETOPT
/*
* ...for the long form API only; keep this for compatibility.
*/
# define HAVE_DECL_GETOPT 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */