third_party/exiv2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Changes for cross-platform getopt

Browse Source
This commit is contained in:
Robin Mills 2018-08-29 14:35:28 +01:00 committed by Luis Díaz Más
parent a226d6a650
commit 74bc0e0535
12 changed files with 361 additions and 736 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
samples/CMakeLists.txt
View File

@ -53,11 +53,15 @@ if (MSVC)
link_directories(${CMAKE_INSTALL_PREFIX}/lib) link_directories(${CMAKE_INSTALL_PREFIX}/lib)
endif() endif()
add_executable( metacopy metacopy.cpp ../src/utils.cpp) add_executable( getopt-test getopt-test.cpp ../src/utils.cpp ../src/getopt.cpp)
list(APPEND APPLICATIONS getopt-test)
target_include_directories(getopt-test PRIVATE ${CMAKE_SOURCE_DIR}/src) # To find utils.hpp
add_executable( metacopy metacopy.cpp ../src/utils.cpp ../src/getopt.cpp)
list(APPEND APPLICATIONS metacopy) list(APPEND APPLICATIONS metacopy)
target_include_directories(metacopy PRIVATE ${CMAKE_SOURCE_DIR}/src) # To find utils.hpp target_include_directories(metacopy PRIVATE ${CMAKE_SOURCE_DIR}/src) # To find utils.hpp
add_executable( pathtest path-test.cpp ../src/utils.cpp) add_executable( pathtest path-test.cpp ../src/utils.cpp ../src/getopt.cpp)
list(APPEND APPLICATIONS pathtest) list(APPEND APPLICATIONS pathtest)
set_target_properties( pathtest PROPERTIES OUTPUT_NAME path-test ) set_target_properties( pathtest PROPERTIES OUTPUT_NAME path-test )
target_include_directories(pathtest PRIVATE ${CMAKE_SOURCE_DIR}/src) # To find utils.hpp target_include_directories(pathtest PRIVATE ${CMAKE_SOURCE_DIR}/src) # To find utils.hpp
@ -67,11 +71,6 @@ list(APPEND APPLICATIONS exiv2json)
install( TARGETS metacopy pathtest exiv2json RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}) install( TARGETS metacopy pathtest exiv2json RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if (MSVC)
target_sources(pathtest PRIVATE ../src/getopt_win32.c)
target_sources(metacopy PRIVATE ../src/getopt_win32.c)
endif()
if( EXPAT_FOUND ) if( EXPAT_FOUND )
add_executable( geotag geotag.cpp) add_executable( geotag geotag.cpp)
list(APPEND APPLICATIONS geotag) list(APPEND APPLICATIONS geotag)

126
samples/getopt-test.cpp Normal file
View File

@ -0,0 +1,126 @@
// ***************************************************************** -*- C++ -*-
// getopt-test.cpp
// Sample program to test getopt()
// Command:
// $ getopt-test -v pr -P EIXxgklnycsvth file1 file2
//
// Output:
// standard getopt()
// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
//
// homemade getopt()
// 118 = v optind = 2 opterr = 1 optopt = 118 optarg = unknown
// -1 optind = 2 opterr = 1 optopt = 118 optarg = unknown
//
// Params::option() opt = 118 optarg = optopt = 118
// Params::nonoption() pr
// Params::nonoption() -P
// Params::nonoption() EIXxgklnycsvth
// Params::nonoption() file1
// Params::nonoption() file2
// Params::getopt() rc = 0
#include <exiv2/exiv2.hpp>
#include "getopt.hpp"
#include <unistd.h>
#include <iostream>
#include <iomanip>
#include <cassert>
#define Safe(x) (x?x:"unknown")
const char* optstring = ":hVvqfbuktTFa:Y:O:D:r:p:P:d:e:i:c:m:M:l:S:g:K:n:Q:";
// *****************************************************************************
// class Params
class Params : public Util::Getopt {
public:
/*!
@brief Call Getopt::getopt() with optstring, to inititate command line
argument parsing, perform consistency checks after all command line
arguments are parsed.
@param argc Argument count as passed to main() on program invocation.
@param argv Argument array as passed to main() on program invocation.
@return 0 if successful, >0 in case of errors.
*/
int getopt(int argc, char** const argv)
{
int rc = Util::Getopt::getopt(argc, argv, ::optstring);
std::cout << "Params::getopt()"
<< " rc = " << rc
<< std::endl;
return rc ;
}
//! Handle options and their arguments.
int option(int opt, const std::string& optarg, int optopt)
{
std::cout << "Params::option()"
<< " opt = " << opt
<< " optarg = " << optarg
<< " optopt = " << optopt
<< std::endl;
return 0;
}
//! Handle non-option parameters.
int nonoption(const std::string& argv)
{
std::cout << "Params::nonoption()"
<< " " << argv
<< std::endl;
return 0 ;
}
}; // class Params
int main(int argc, char** const argv)
{
int n;
std::cout << "standard getopt()" << std::endl;
do {
n = ::getopt(argc,argv,::optstring);
if ( n >= 0 ) {
char N = (char) n;
std::cout << n << " = " << N ;
} else {
std::cout << n ;
}
std::cout << " optind = " << ::optind
<< " opterr = " << ::opterr
<< " optopt = " << ::optopt
<< " optarg = " << Safe(::optarg)
<< std::endl;
} while ( n >= 0 );
std::cout << std::endl;
std::cout << "homemade getopt()" << std::endl;
do {
n = Util::getopt(argc,argv,::optstring);
if ( n >= 0 ) {
char N = (char) n;
std::cout << n << " = " << N ;
} else {
std::cout << n ;
}
std::cout << " optind = " << Util::optind
<< " opterr = " << Util::opterr
<< " optopt = " << Util::optopt
<< " optarg = " << Safe(::optarg)
<< std::endl;
} while ( n >= 0 );
std::cout << std::endl;
// Handle command line arguments
Params params;
params.getopt(argc, argv);
return 0;
}

2
samples/metacopy.cpp
View File

@ -33,7 +33,7 @@
#include <fstream> #include <fstream>
#include <cassert> #include <cassert>
#include "utils.hpp" #include "getopt.hpp"
#include "metacopy.hpp" #include "metacopy.hpp"
// ***************************************************************************** // *****************************************************************************

4
src/CMakeLists.txt
View File

@ -302,6 +302,8 @@ set( EXIV2_SRC
exiv2app.hpp exiv2app.hpp
actions.cpp actions.cpp
actions.hpp actions.hpp
getopt.cpp
getopt.hpp
utils.cpp utils.cpp
utils.hpp utils.hpp
) )
@ -328,8 +330,6 @@ if(EXIV2_BUILD_EXIV2_COMMAND)
# TODO This should not be needed here! we need to fix the previous TODO # TODO This should not be needed here! we need to fix the previous TODO
target_include_directories(exiv2 PRIVATE ${CMAKE_SOURCE_DIR}/include/) target_include_directories(exiv2 PRIVATE ${CMAKE_SOURCE_DIR}/include/)
target_sources(exiv2 PRIVATE getopt_win32.c)
# Copy DLLs from conan packages to the bin folder # Copy DLLs from conan packages to the bin folder
if (USING_CONAN AND WIN32) if (USING_CONAN AND WIN32)
add_custom_command(TARGET exiv2 POST_BUILD add_custom_command(TARGET exiv2 POST_BUILD

1
src/exiv2app.hpp
View File

@ -34,6 +34,7 @@
#include "utils.hpp" #include "utils.hpp"
#include "types.hpp" #include "types.hpp"
#include "getopt.hpp"
// + standard includes // + standard includes
#include <string> #include <string>

123
src/getopt.cpp Normal file
View File

@ -0,0 +1,123 @@
#if _MSC_VER >= 1400
# pragma warning(disable : 4996)
#endif
// included header files
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <iostream>
#include "utils.hpp"
#include "getopt.hpp"
namespace Util {
// https://raw.githubusercontent.com/skeeto/getopt/master/getopt.h
int optind = 0;
int opterr = 1;
int optopt;
int optpos = 1;
const char* optarg;
/* A minimal POSIX getopt() implementation in ANSI C
*
* This is free and unencumbered software released into the public domain.
*
* This implementation supports the convention of resetting the option
* parser by assigning optind to 0. This resets the internal state
* appropriately.
*
* Ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/getopt.html
*/
int getopt(int argc, char * const argv[], const char *optstring)
{
const char *arg;
(void)argc;
/* Reset? */
if (optind == 0) {
optind = 1;
optpos = 1;
}
arg = argv[optind];
if (arg && strcmp(arg, "--") == 0) {
optind++;
return -1;
} else if (!arg || arg[0] != '-' || !isalnum(arg[1])) {
return -1;
} else {
const char *opt = strchr(optstring, arg[optpos]);
optopt = arg[optpos];
if (!opt) {
if (opterr && *optstring != ':')
fprintf(stderr, "%s: illegal option: %c\n", argv[0], optopt);
return '?';
} else if (opt[1] == ':') {
if (arg[optpos + 1]) {
optarg = (char *)arg + optpos + 1;
optind++;
optpos = 1;
return optopt;
} else if (argv[optind + 1]) {
optarg = (char *)argv[optind + 1];
optind += 2;
optpos = 1;
return optopt;
} else {
if (opterr && *optstring != ':')
fprintf(stderr,
"%s: option requires an argument: %c\n",
argv[0], optopt);
return *optstring == ':' ? ':' : '?';
}
} else {
if (!arg[++optpos]) {
optind++;
optpos = 1;
}
return optopt;
}
}
}
// *****************************************************************************
// class Getopt
Getopt::Getopt()
: errcnt_(0)
{
}
Getopt::~Getopt()
{
}
int Getopt::getopt(int argc, char* const argv[], const std::string& optstring)
{
progname_ = Util::basename(argv[0]);
Util::optind = 0; // reset the Util::Getopt scanner
for (;;) {
int c = Util::getopt(argc, argv, optstring.c_str());
if (c == -1) break;
errcnt_ += option(c, Util::optarg == 0 ? "" : Util::optarg, Util::optopt);
}
for (int i = Util::optind; i < argc; i++) {
errcnt_ += nonoption(argv[i]);
}
return errcnt_;
}
int Getopt::nonoption(const std::string& /*argv*/)
{
return 0;
}
} // namespace Util

101
src/getopt.hpp Normal file
View File

@ -0,0 +1,101 @@
#ifndef GETOPT_H
#define GETOPT_H
#include <ctype.h>
#include <stdio.h>
#include <string>
namespace Util {
extern int optind ;
extern int opterr ;
extern int optopt ;
extern int optpos ;
extern const char* optarg;
int getopt(int argc, char * const argv[], const char *optstring);
// *********************************************************************
// class definitions
/*!
@brief Parse the command line options of a program.
A wrapper around the POSIX %getopt(3) function. Parses the command line
options and passes each option to virtual option(). A derived class
implements this method to handle options as needed. Similarly,
remaining non-option parameters are passed to the virtual nonoption()
method.
*/
class Getopt {
public:
//! Default constructor.
Getopt();
//! Destructor.
virtual ~Getopt();
/*!
@brief Parse command line arguments.
Parses the command line arguments. Calls option() with the
character value of the option and its argument (if any) for each
recognized option and with ':' or '?' for unrecognized options.
See the manual pages for %getopt(3) for details. In addition,
nonoption() is invoked for each remaining non-option parameter on
the command line.
@param argc Argument count as passed to main() on program invocation.
@param argv Argument array as passed to main() on program invocation.
@param optstring String containing the legitimate option characters.
@return Number of errors (the sum of the return values from option()
and nonoption()).
*/
int getopt(int argc, char* const argv[], const std::string& optstring);
/*!
@brief Callback used by getopt() to pass on each option and its
argument (if any).
Implement this method in a derived class to handle the options as
needed. See the manual pages for %getopt(3) for further details, in
particular, the semantics of optarg and optopt.
@param opt Value of the option character as returned by %getopt(3).
@param optarg The corresponding option argument.
@param optopt The actual option character in case of an unrecognized
option or a missing option argument (opt is '?' or ':').
@return 0 if successful, 1 in case of an error.
*/
virtual int option(int opt, const std::string& optarg, int optopt) = 0;
/*!
@brief Callback used by getopt() to pass on each non-option parameter
found on the command line.
Implement this method in a derived class to handle the non-option
parameters as needed. The default implementation ignores all non-option
parameters.
@param argv The non-option parameter from the command line.
@return 0 if successful, 1 in case of an error.
*/
virtual int nonoption(const std::string& argv);
//! Program name (argv[0])
const std::string& progname() const { return progname_; }
//! Total number of errors returned by calls to option()
int errcnt() const { return errcnt_; }
private:
std::string progname_;
int errcnt_;
};
}; // namespace Util
#endif

521
src/getopt_win32.c
View File

@ -1,521 +0,0 @@
/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Dieter Baron and Thomas Klausner.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#if _MSC_VER >= 1400
# pragma warning(disable : 4996)
#endif
// included header files
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "getopt_win32.h"
#include <stdarg.h>
#include <stdio.h>
#define REPLACE_GETOPT
#define _DIAGASSERT(x) do {} while (0)
#ifdef REPLACE_GETOPT
#ifdef __weak_alias
__weak_alias(getopt,_getopt)
#endif
int opterr = 1; /* if error message should be printed */
int optind = 1; /* index into parent argv vector */
int optopt = '?'; /* character checked for validity */
int optreset; /* reset getopt */
char *optarg; /* argument associated with option */
#endif
#ifdef __weak_alias
__weak_alias(getopt_long,_getopt_long)
#endif
#ifndef __CYGWIN__
#define __progname __argv[0]
#else
extern char __declspec(dllimport) *__progname;
#endif
#define IGNORE_FIRST (*options == '-' || *options == '+')
#define PRINT_ERROR ((opterr) && ((*options != ':') \
|| (IGNORE_FIRST && options[1] != ':')))
/* This differs from the cygwin implementation, which effectively defaults to
PC, but is consistent with the NetBSD implementation and doc's. */
#ifndef IS_POSIXLY_CORRECT
#define IS_POSIXLY_CORRECT (getenv("POSIXLY_CORRECT") != NULL)
#endif
#define PERMUTE (!IS_POSIXLY_CORRECT && !IGNORE_FIRST)
/* XXX: GNU ignores PC if *options == '-' */
#define IN_ORDER (!IS_POSIXLY_CORRECT && *options == '-')
/* return values */
#define BADCH (int)'?'
#define BADARG ((IGNORE_FIRST && options[1] == ':') \
|| (*options == ':') ? (int)':' : (int)'?')
#define INORDER (int)1
static char EMSG[1];
static int getopt_internal (int, char * const *, const char *);
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(a, b)
int a;
int b;
{
int c;
c = a % b;
while (c != 0) {
a = b;
b = c;
c = a % b;
}
return b;
}
/*
* Exchange the block from nonopt_start to nonopt_end with the block
* from nonopt_end to opt_end (keeping the same order of arguments
* in each block).
*/
static void
permute_args(panonopt_start, panonopt_end, opt_end, nargv)
int panonopt_start;
int panonopt_end;
int opt_end;
char * const *nargv;
{
int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
char *swap;
_DIAGASSERT(nargv != NULL);
/*
* compute lengths of blocks and number and size of cycles
*/
nnonopts = 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;
}
}
}
#ifdef __GETOPT_DEFINE_ARGV__
char * const *__argv;
#endif
/*
* getopt_internal --
* Parse argc/argv argument vector. Called by user level routines.
* Returns -2 if -- is found (can be long option or end of options marker).
*/
static int
getopt_internal(nargc, nargv, options)
int nargc;
char * const *nargv;
const char *options;
{
#ifdef __GETOPT_DEFINE_ARGV__
__argv=nargv;
#endif
char *oli; /* option letter list index */
int optchar;
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(options != NULL);
optarg = NULL;
/*
* XXX Some programs (like rsyncd) expect to be able to
* XXX re-initialize optind to 0 and have getopt_long(3)
* XXX properly function again. Work around this braindamage.
*/
if (optind == 0)
optind = 1;
if (optreset)
nonopt_start = nonopt_end = -1;
start:
if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc) { /* end of argument vector */
place = EMSG;
if (nonopt_end != -1) {
/* do permutation, if we have to */
permute_args(nonopt_start, nonopt_end,
optind, nargv);
optind -= nonopt_end - nonopt_start;
}
else if (nonopt_start != -1) {
/*
* If we skipped non-options, set optind
* to the first of them.
*/
optind = nonopt_start;
}
nonopt_start = nonopt_end = -1;
return -1;
}
if ((*(place = nargv[optind]) != '-')
|| (place[1] == '\0')) { /* found non-option */
place = EMSG;
if (IN_ORDER) {
/*
* GNU extension:
* return non-option as argument to option 1
*/
optarg = nargv[optind++];
return INORDER;
}
if (!PERMUTE) {
/*
* if no permutation wanted, stop parsing
* at first non-option
*/
return -1;
}
/* do permutation */
if (nonopt_start == -1)
nonopt_start = optind;
else if (nonopt_end != -1) {
permute_args(nonopt_start, nonopt_end,
optind, nargv);
nonopt_start = optind -
(nonopt_end - nonopt_start);
nonopt_end = -1;
}
optind++;
/* process next argument */
goto start;
}
if (nonopt_start != -1 && nonopt_end == -1)
nonopt_end = optind;
if (place[1] && *++place == '-') { /* found "--" */
place++;
return -2;
}
}
if ((optchar = (int)*place++) == (int)':' ||
(oli = strchr(options + (IGNORE_FIRST ? 1 : 0), optchar)) == NULL) {
/* option letter unknown or ':' */
if (!*place)
++optind;
if (PRINT_ERROR)
warnx(illoptchar, optchar);
optopt = optchar;
return BADCH;
}
if (optchar == 'W' && oli[1] == ';') { /* -W long-option */
/* XXX: what if no long options provided (called by getopt)? */
if (*place)
return -2;
if (++optind >= nargc) { /* no arg */
place = EMSG;
if (PRINT_ERROR)
warnx(recargchar, optchar);
optopt = optchar;
return BADARG;
} else /* white space */
place = nargv[optind];
/*
* Handle -W arg the same as --arg (which causes getopt to
* stop parsing).
*/
return -2;
}
if (*++oli != ':') { /* doesn't take argument */
if (!*place)
++optind;
} else { /* takes (optional) argument */
optarg = NULL;
if (*place) /* no white space */
optarg = place;
/* XXX: disable test for :: if PC? (GNU doesn't) */
else if (oli[1] != ':') { /* arg not optional */
if (++optind >= nargc) { /* no arg */
place = EMSG;
if (PRINT_ERROR)
warnx(recargchar, optchar);
optopt = optchar;
return BADARG;
} else
optarg = nargv[optind];
}
place = EMSG;
++optind;
}
/* dump back option letter */
return optchar;
}
#ifdef REPLACE_GETOPT
/*
* getopt --
* Parse argc/argv argument vector.
*
* [eventually this will replace the real getopt]
*/
int
getopt(nargc, nargv, options)
int nargc;
char * const *nargv;
const char *options;
{
int retval;
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(options != NULL);
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
++optind;
/*
* We found an option (--), so if we skipped non-options,
* we have to permute.
*/
if (nonopt_end != -1) {
permute_args(nonopt_start, nonopt_end, optind,
nargv);
optind -= nonopt_end - nonopt_start;
}
nonopt_start = nonopt_end = -1;
retval = -1;
}
return retval;
}
#endif
/*
* getopt_long --
* Parse argc/argv argument vector.
*/
int
getopt_long(nargc, nargv, options, long_options, idx)
int nargc;
char * const *nargv;
const char *options;
const struct option *long_options;
int *idx;
{
int retval;
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(options != NULL);
_DIAGASSERT(long_options != NULL);
/* idx may be NULL */
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
char *current_argv, *has_equal;
size_t current_argv_len;
int i, match;
current_argv = place;
match = -1;
optind++;
place = EMSG;
if (*current_argv == '\0') { /* found "--" */
/*
* We found an option (--), so if we skipped
* non-options, we have to permute.
*/
if (nonopt_end != -1) {
permute_args(nonopt_start, nonopt_end,
optind, nargv);
optind -= nonopt_end - nonopt_start;
}
nonopt_start = nonopt_end = -1;
return -1;
}
if ((has_equal = strchr(current_argv, '=')) != NULL) {
/* argument found (--option=arg) */
current_argv_len = has_equal - current_argv;
has_equal++;
} else
current_argv_len = strlen(current_argv);
for (i = 0; long_options[i].name; i++) {
/* find matching long option */
if (strncmp(current_argv, long_options[i].name,
current_argv_len))
continue;
if (strlen(long_options[i].name) ==
(unsigned)current_argv_len) {
/* exact match */
match = i;
break;
}
if (match == -1) /* partial match */
match = i;
else {
/* ambiguous abbreviation */
if (PRINT_ERROR)
warnx(ambig, (int)current_argv_len,
current_argv);
optopt = 0;
return BADCH;
}
}
if (match != -1) { /* option found */
if (long_options[match].has_arg == no_argument
&& has_equal) {
if (PRINT_ERROR)
warnx(noarg, (int)current_argv_len,
current_argv);
/*
* XXX: GNU sets optopt to val regardless of
* flag
*/
if (long_options[match].flag == NULL)
optopt = long_options[match].val;
else
optopt = 0;
return BADARG;
}
if (long_options[match].has_arg == required_argument ||
long_options[match].has_arg == optional_argument) {
if (has_equal)
optarg = has_equal;
else if (long_options[match].has_arg ==
required_argument) {
/*
* optional argument doesn't use
* next nargv
*/
optarg = nargv[optind++];
}
}
if ((long_options[match].has_arg == required_argument)
&& (optarg == NULL)) {
/*
* Missing argument; leading ':'
* indicates no error should be generated
*/
if (PRINT_ERROR)
warnx(recargstring, current_argv);
/*
* XXX: GNU sets optopt to val regardless
* of flag
*/
if (long_options[match].flag == NULL)
optopt = long_options[match].val;
else
optopt = 0;
--optind;
return BADARG;
}
} else { /* unknown option */
if (PRINT_ERROR)
warnx(illoptstring, current_argv);
optopt = 0;
return BADCH;
}
if (long_options[match].flag) {
*long_options[match].flag = long_options[match].val;
retval = 0;
} else
retval = long_options[match].val;
if (idx)
*idx = match;
}
return retval;
}

91
src/getopt_win32.h
View File

@ -1,91 +0,0 @@
/*
* Copyright (c) 1987, 1993, 1994, 1996
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __GETOPT_H__
#define __GETOPT_H__
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(_WIN32) && !defined(__CYGWIN__) && !defined(__MINGW__) && !defined(_MSC_VER)
// the symbol __argv (and __argc and __progname and __env) are defined in Windows environments
// for *ix environments, __argv is declared here, defined: getopt_win32.c, init'd: getopt_internal()
#define __GETOPT_DEFINE_ARGV__
extern char * const *__argv;
#endif
extern int opterr; /* if error message should be printed */
extern int optind; /* index into parent argv vector */
extern int optopt; /* character checked for validity */
extern int optreset; /* reset getopt */
extern char *optarg; /* argument associated with option */
int getopt (int, char * const *, const char *);
#ifdef __cplusplus
}
#endif
#endif /* __GETOPT_H__ */
#ifndef __UNISTD_GETOPT__
#ifndef __GETOPT_LONG_H__
#define __GETOPT_LONG_H__
#ifdef __cplusplus
extern "C" {
#endif
struct option {
const char *name;
int has_arg;
int *flag;
int val;
};
int getopt_long (int, char *const *, const char *, const struct option *, int *);
#ifndef HAVE_DECL_GETOPT
#define HAVE_DECL_GETOPT 1
#endif
#define no_argument 0
#define required_argument 1
#define optional_argument 2
#ifdef __cplusplus
}
#endif
#endif /* __GETOPT_LONG_H__ */
#endif /* __UNISTD_GETOPT__ */

32
src/utils.cpp
View File

@ -28,7 +28,6 @@
#include "config.h" #include "config.h"
#include "utils.hpp" #include "utils.hpp"
#include "getopt_win32.h"
#if defined(_MSC_VER) #if defined(_MSC_VER)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
@ -51,37 +50,6 @@
namespace Util { namespace Util {
// *****************************************************************************
// class Getopt
Getopt::Getopt()
: errcnt_(0)
{
}
Getopt::~Getopt()
{
}
int Getopt::getopt(int argc, char* const argv[], const std::string& optstring)
{
progname_ = Util::basename(argv[0]);
for (;;) {
int c = ::getopt(argc, argv, optstring.c_str());
if (c == -1) break;
errcnt_ += option(c, ::optarg == 0 ? "" : ::optarg, ::optopt);
}
for (int i = ::optind; i < argc; i++) {
errcnt_ += nonoption(argv[i]);
}
return errcnt_;
}
int Getopt::nonoption(const std::string& /*argv*/)
{
return 0;
}
// ***************************************************************************** // *****************************************************************************
// free functions // free functions

81
src/utils.hpp
View File

@ -43,87 +43,6 @@
*/ */
namespace Util { namespace Util {
// *********************************************************************
// class definitions
/*!
@brief Parse the command line options of a program.
A wrapper around the POSIX %getopt(3) function. Parses the command line
options and passes each option to virtual option(). A derived class
implements this method to handle options as needed. Similarly,
remaining non-option parameters are passed to the virtual nonoption()
method.
*/
class Getopt {
public:
//! Default constructor.
Getopt();
//! Destructor.
virtual ~Getopt();
/*!
@brief Parse command line arguments.
Parses the command line arguments. Calls option() with the
character value of the option and its argument (if any) for each
recognized option and with ':' or '?' for unrecognized options.
See the manual pages for %getopt(3) for details. In addition,
nonoption() is invoked for each remaining non-option parameter on
the command line.
@param argc Argument count as passed to main() on program invocation.
@param argv Argument array as passed to main() on program invocation.
@param optstring String containing the legitimate option characters.
@return Number of errors (the sum of the return values from option()
and nonoption()).
*/
int getopt(int argc, char* const argv[], const std::string& optstring);
/*!
@brief Callback used by getopt() to pass on each option and its
argument (if any).
Implement this method in a derived class to handle the options as
needed. See the manual pages for %getopt(3) for further details, in
particular, the semantics of optarg and optopt.
@param opt Value of the option character as returned by %getopt(3).
@param optarg The corresponding option argument.
@param optopt The actual option character in case of an unrecognized
option or a missing option argument (opt is '?' or ':').
@return 0 if successful, 1 in case of an error.
*/
virtual int option(int opt, const std::string& optarg, int optopt) = 0;
/*!
@brief Callback used by getopt() to pass on each non-option parameter
found on the command line.
Implement this method in a derived class to handle the non-option
parameters as needed. The default implementation ignores all non-option
parameters.
@param argv The non-option parameter from the command line.
@return 0 if successful, 1 in case of an error.
*/
virtual int nonoption(const std::string& argv);
//! Program name (argv[0])
const std::string& progname() const { return progname_; }
//! Total number of errors returned by calls to option()
int errcnt() const { return errcnt_; }
private:
std::string progname_;
int errcnt_;
};
// ********************************************************************* // *********************************************************************
// free functions // free functions

2
tests/bugfixes/github/test_CVE_2017_18005.py
View File

@ -15,7 +15,7 @@ Error: Offset of directory Image, entry 0x0117 is out of bounds: Offset = 0x3030
filename = "$data_path/cve_2017_18005_reproducer.tiff" filename = "$data_path/cve_2017_18005_reproducer.tiff"
commands = [ commands = [
"$exiv2 -v pr -P EIXxgklnycsvth " + filename, "$exiv2 -vPEIXxgklnycsvth " + filename,
"$exiv2json " + filename "$exiv2json " + filename
] ]