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cppcheck/cli/cmdlineparser.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <cstring>
#include <stdlib.h> // EXIT_FAILURE
#include "cppcheck.h"
#include "timer.h"
#include "settings.h"
#include "cmdlineparser.h"
#include "path.h"
#include "filelister.h"
#ifdef HAVE_RULES
// xml is used in rules
#include <tinyxml.h>
#endif
static void AddFilesToList(const std::string& FileList, std::vector<std::string>& PathNames)
{
// to keep things initially simple, if the file can't be opened, just be
// silent and move on
// ideas : we could also require this should be an xml file, with the filenames
// specified in an xml structure
// we could elaborate this then, to also include the I-paths, ...
// basically for everything that makes the command line very long
// xml is a bonus then, since we can easily extend it
// we need a good parser then -> suggestion : TinyXml
// drawback : creates a dependency
std::istream *Files;
std::ifstream Infile;
if (FileList.compare("-") == 0) { // read from stdin
Files = &std::cin;
} else {
Infile.open(FileList.c_str());
Files = &Infile;
}
if (Files) {
std::string FileName;
while (std::getline(*Files, FileName)) { // next line
if (!FileName.empty()) {
PathNames.push_back(FileName);
}
}
}
}
static void AddInclPathsToList(const std::string& FileList, std::list<std::string>& PathNames)
{
// to keep things initially simple, if the file can't be opened, just be
// silent and move on
std::ifstream Files(FileList.c_str());
if (Files) {
std::string PathName;
while (std::getline(Files, PathName)) { // next line
if (!PathName.empty()) {
PathName = Path::fromNativeSeparators(PathName);
PathName = Path::removeQuotationMarks(PathName);
PathNames.push_back(PathName);
}
}
}
}
CmdLineParser::CmdLineParser(Settings *settings)
: _settings(settings)
, _showHelp(false)
, _showVersion(false)
, _showErrorMessages(false)
, _exitAfterPrint(false)
{
}
void CmdLineParser::PrintMessage(const std::string &message)
{
std::cout << message << std::endl;
}
bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
{
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--version") == 0) {
_showVersion = true;
_exitAfterPrint = true;
return true;
}
// Flag used for various purposes during debugging
else if (strcmp(argv[i], "--debug") == 0)
_settings->debug = _settings->debugwarnings = true;
// Show debug warnings
else if (strcmp(argv[i], "--debug-warnings") == 0)
_settings->debugwarnings = true;
// Print out code that triggers false positive
else if (strcmp(argv[i], "--debug-fp") == 0)
_settings->debugFalsePositive = true;
// Enable all checks - will be removed in future
else if (strcmp(argv[i], "-a") == 0 || strcmp(argv[i], "--all") == 0) {
PrintMessage("cppcheck: '-a/--all' option is deprecated and will be removed in 1.55 release.");
PrintMessage("cppcheck: please use '--enable=all' instead.");
}
// Inconclusive checking (still in testing phase)
else if (strcmp(argv[i], "--inconclusive") == 0)
_settings->inconclusive = true;
// Checking coding style - will be removed in the future
else if (strcmp(argv[i], "-s") == 0 || strcmp(argv[i], "--style") == 0) {
PrintMessage("cppcheck: '-s/--style' option is deprecated and will be removed in 1.55 release.");
PrintMessage("cppcheck: please use '--enable=style' instead.");
const std::string errmsg = _settings->addEnabled("style");
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Filter errors
else if (strncmp(argv[i], "--exitcode-suppressions", 23) == 0) {
std::string filename;
// exitcode-suppressions filename.txt
// Deprecated
if (strcmp(argv[i], "--exitcode-suppressions") == 0) {
++i;
if (i >= argc || strncmp(argv[i], "-", 1) == 0 ||
strncmp(argv[i], "--", 2) == 0) {
PrintMessage("cppcheck: No filename specified for the '--exitcode-suppressions' option.");
return false;
}
filename = argv[i];
}
// exitcode-suppressions=filename.txt
else {
filename = 24 + argv[i];
}
std::ifstream f(filename.c_str());
if (!f.is_open()) {
PrintMessage("cppcheck: Couldn't open the file: \"" + std::string(filename) + "\".");
return false;
}
const std::string errmsg(_settings->nofail.parseFile(f));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Filter errors
else if (strncmp(argv[i], "--suppressions-list=", 20) == 0) {
std::string filename = argv[i];
filename = filename.substr(20);
std::ifstream f(filename.c_str());
if (!f.is_open()) {
std::string message("cppcheck: Couldn't open the file: \"");
message += std::string(filename);
message += "\".";
PrintMessage(message);
return false;
}
const std::string errmsg(_settings->nomsg.parseFile(f));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Filter errors
// This is deprecated, see --supressions-list above
else if (strcmp(argv[i], "--suppressions") == 0 &&
strlen(argv[i]) == 14) {
++i;
if (i >= argc) {
PrintMessage("cppcheck: No file specified for the '--suppressions' option.");
return false;
}
std::ifstream f(argv[i]);
if (!f.is_open()) {
std::string message("cppcheck: Couldn't open the file: \"");
message += std::string(argv[i]);
message += "\".";
PrintMessage(message);
return false;
}
const std::string errmsg(_settings->nomsg.parseFile(f));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
else if (strncmp(argv[i], "--suppress=", 11) == 0) {
std::string suppression = argv[i];
suppression = suppression.substr(11);
const std::string errmsg(_settings->nomsg.addSuppressionLine(suppression));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Enables inline suppressions.
else if (strcmp(argv[i], "--inline-suppr") == 0)
_settings->_inlineSuppressions = true;
// Verbose error messages (configuration info)
else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0)
_settings->_verbose = true;
// Force checking of files that have "too many" configurations
else if (strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "--force") == 0)
_settings->_force = true;
// Write results in results.xml
else if (strcmp(argv[i], "--xml") == 0)
_settings->_xml = true;
// Define the XML file version (and enable XML output)
else if (strncmp(argv[i], "--xml-version=", 14) == 0) {
std::string numberString(argv[i]);
numberString = numberString.substr(14);
std::istringstream iss(numberString);
if (!(iss >> _settings->_xml_version)) {
PrintMessage("cppcheck: argument to '--xml-version' is not a number.");
return false;
}
if (_settings->_xml_version < 0 || _settings->_xml_version > 2) {
// We only have xml versions 1 and 2
PrintMessage("cppcheck: '--xml-version' can only be 1 or 2.");
return false;
}
// Enable also XML if version is set
_settings->_xml = true;
}
// Only print something when there are errors
else if (strcmp(argv[i], "-q") == 0 || strcmp(argv[i], "--quiet") == 0)
_settings->_errorsOnly = true;
// Append userdefined code to checked source code
else if (strncmp(argv[i], "--append=", 9) == 0) {
const std::string filename = 9 + argv[i];
if (!_settings->append(filename)) {
PrintMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");
return false;
}
}
else if (strncmp(argv[i], "--enable=", 9) == 0) {
const std::string errmsg = _settings->addEnabled(argv[i] + 9);
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
// when "style" is enabled, also enable "performance" and "portability"
else if (strstr(argv[i]+9, "style")) {
_settings->addEnabled("performance");
_settings->addEnabled("portability");
}
}
// --error-exitcode=1
else if (strncmp(argv[i], "--error-exitcode=", 17) == 0) {
std::string temp = argv[i];
temp = temp.substr(17);
std::istringstream iss(temp);
if (!(iss >> _settings->_exitCode)) {
_settings->_exitCode = 0;
PrintMessage("cppcheck: Argument must be an integer. Try something like '--error-exitcode=1'.");
return false;
}
}
// User define
else if (strncmp(argv[i], "-D", 2) == 0) {
std::string define;
// "-D define"
if (strcmp(argv[i], "-D") == 0) {
++i;
if (i >= argc || strncmp(argv[i], "-", 1) == 0 ||
strncmp(argv[i], "--", 2) == 0) {
PrintMessage("cppcheck: argument to '-D' is missing.");
return false;
}
define = argv[i];
}
// "-Ddefine"
else {
define = 2 + argv[i];
}
if (!_settings->userDefines.empty())
_settings->userDefines += ";";
_settings->userDefines += define;
}
// User undef
else if (strncmp(argv[i], "-U", 2) == 0) {
std::string undef;
// "-U undef"
if (strcmp(argv[i], "-U") == 0) {
++i;
if (i >= argc || strncmp(argv[i], "-", 1) == 0 ||
strncmp(argv[i], "--", 2) == 0) {
PrintMessage("cppcheck: argument to '-U' is missing.");
return false;
}
undef = argv[i];
}
// "-Uundef"
else {
undef = 2 + argv[i];
}
_settings->userUndefs.insert(undef);
}
// Include paths
else if (strncmp(argv[i], "-I", 2) == 0) {
std::string path;
// "-I path/"
if (strcmp(argv[i], "-I") == 0) {
++i;
if (i >= argc) {
PrintMessage("cppcheck: argument to '-I' is missing.");
return false;
}
path = argv[i];
}
// "-Ipath/"
else {
path = 2 + argv[i];
}
path = Path::fromNativeSeparators(path);
path = Path::removeQuotationMarks(path);
// If path doesn't end with / or \, add it
if (path[path.length()-1] != '/')
path += '/';
_settings->_includePaths.push_back(path);
} else if (strncmp(argv[i], "--includes-file=", 16) == 0) {
// open this file and read every input file (1 file name per line)
AddInclPathsToList(16 + argv[i], _settings->_includePaths);
}
// file list specified
else if (strncmp(argv[i], "--file-list=", 12) == 0) {
// open this file and read every input file (1 file name per line)
AddFilesToList(12 + argv[i], _pathnames);
}
// Ignored paths
else if (strncmp(argv[i], "-i", 2) == 0) {
std::string path;
// "-i path/"
if (strcmp(argv[i], "-i") == 0) {
++i;
if (i >= argc) {
PrintMessage("cppcheck: argument to '-i' is missing.");
return false;
}
path = argv[i];
}
// "-ipath/"
else {
path = 2 + argv[i];
}
if (!path.empty()) {
path = Path::fromNativeSeparators(path);
path = Path::simplifyPath(path.c_str());
path = Path::removeQuotationMarks(path);
if (!FileLister::fileExists(path) && FileLister::isDirectory(path)) {
// If directory name doesn't end with / or \, add it
if (path[path.length()-1] != '/')
path += '/';
}
_ignoredPaths.push_back(path);
}
}
// Report progress
else if (strcmp(argv[i], "--report-progress") == 0) {
_settings->reportProgress = true;
}
// --std
else if (strcmp(argv[i], "--std=posix") == 0) {
_settings->standards.posix = true;
}
// --C99
else if (strcmp(argv[i], "--std=c99") == 0) {
_settings->standards.c99 = true;
}
else if (strcmp(argv[i], "--std=c++11") == 0) {
_settings->standards.cpp11 = true;
}
// Output formatter
else if (strcmp(argv[i], "--template") == 0 ||
strncmp(argv[i], "--template=", 11) == 0) {
// "--template path/"
if (argv[i][10] == '=')
_settings->_outputFormat = argv[i] + 11;
else {
++i;
_settings->_outputFormat = (argv[i] ? argv[i] : "");
}
if (_settings->_outputFormat.empty()) {
PrintMessage("cppcheck: argument to '--template' is missing.");
return false;
}
if (_settings->_outputFormat == "gcc")
_settings->_outputFormat = "{file}:{line}: {severity}: {message}";
else if (_settings->_outputFormat == "vs")
_settings->_outputFormat = "{file}({line}): {severity}: {message}";
else if (_settings->_outputFormat == "edit")
_settings->_outputFormat = "{file} +{line}: {severity}: {message}";
}
// Checking threads
else if (strcmp(argv[i], "-j") == 0 ||
strncmp(argv[i], "-j", 2) == 0) {
std::string numberString;
// "-j 3"
if (strcmp(argv[i], "-j") == 0) {
++i;
if (i >= argc) {
PrintMessage("cppcheck: argument to '-j' is missing.");
return false;
}
numberString = argv[i];
}
// "-j3"
else if (strncmp(argv[i], "-j", 2) == 0) {
numberString = argv[i];
numberString = numberString.substr(2);
}
std::istringstream iss(numberString);
if (!(iss >> _settings->_jobs)) {
PrintMessage("cppcheck: argument to '-j' is not a number.");
return false;
}
if (_settings->_jobs > 10000) {
// This limit is here just to catch typos. If someone has
// need for more jobs, this value should be increased.
PrintMessage("cppcheck: argument for '-j' is allowed to be 10000 at max.");
return false;
}
}
// deprecated: auto deallocated classes..
else if (strcmp(argv[i], "--auto-dealloc") == 0) {
++i;
PrintMessage("cppcheck: '--auto-dealloc' option is deprecated and will be removed in 1.55 release.");
}
// print all possible error messages..
else if (strcmp(argv[i], "--errorlist") == 0) {
_showErrorMessages = true;
_settings->_xml = true;
_exitAfterPrint = true;
}
// documentation..
else if (strcmp(argv[i], "--doc") == 0) {
std::ostringstream doc;
// Get documentation..
for (std::list<Check *>::iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
const std::string name((*it)->name());
const std::string info((*it)->classInfo());
if (!name.empty() && !info.empty())
doc << "===" << name << "===\n"
<< info << "\n\n";
}
std::string doc2(doc.str());
while (doc2.find("\n\n\n") != std::string::npos)
doc2.erase(doc2.find("\n\n\n"), 1);
std::cout << doc2;
_exitAfterPrint = true;
return true;
}
// --test-2-pass Experimental 2-pass checking of files
// This command line flag will be removed
else if (strcmp(argv[i], "--test-2-pass") == 0) {
_settings->test_2_pass = true;
}
// show timing information..
else if (strncmp(argv[i], "--showtime=", 11) == 0) {
const std::string showtimeMode = argv[i] + 11;
if (showtimeMode == "file")
_settings->_showtime = SHOWTIME_FILE;
else if (showtimeMode == "summary")
_settings->_showtime = SHOWTIME_SUMMARY;
else if (showtimeMode == "top5")
_settings->_showtime = SHOWTIME_TOP5;
else
_settings->_showtime = SHOWTIME_NONE;
}
#ifdef HAVE_RULES
// Rule given at command line
else if (strncmp(argv[i], "--rule=", 7) == 0) {
Settings::Rule rule;
rule.pattern = 7 + argv[i];
_settings->rules.push_back(rule);
}
// Rule file
else if (strncmp(argv[i], "--rule-file=", 12) == 0) {
TiXmlDocument doc;
if (doc.LoadFile(12+argv[i])) {
TiXmlElement *node = doc.FirstChildElement();
for (; node && node->ValueStr() == "rule"; node = node->NextSiblingElement()) {
Settings::Rule rule;
TiXmlElement *pattern = node->FirstChildElement("pattern");
if (pattern) {
rule.pattern = pattern->GetText();
}
TiXmlElement *message = node->FirstChildElement("message");
if (message) {
TiXmlElement *severity = message->FirstChildElement("severity");
if (severity)
rule.severity = severity->GetText();
TiXmlElement *id = message->FirstChildElement("id");
if (id)
rule.id = id->GetText();
TiXmlElement *summary = message->FirstChildElement("summary");
if (summary)
rule.summary = summary->GetText();
}
if (!rule.pattern.empty())
_settings->rules.push_back(rule);
}
}
}
#endif
// Check configuration
else if (strcmp(argv[i], "--check-config") == 0) {
_settings->checkConfiguration = true;
}
// Specify platform
else if (strncmp(argv[i], "--platform=", 11) == 0) {
std::string platform(11+argv[i]);
if (platform == "win32A")
_settings->platform(Settings::Win32A);
else if (platform == "win32W")
_settings->platform(Settings::Win32W);
else if (platform == "win64")
_settings->platform(Settings::Win64);
else if (platform == "unix32")
_settings->platform(Settings::Unix32);
else if (platform == "unix64")
_settings->platform(Settings::Unix64);
else {
std::string message("cppcheck: error: unrecognized platform: \"");
message += argv[i];
message += "\".";
PrintMessage(message);
return false;
}
}
// Set maximum number of #ifdef configurations to check
else if (strncmp(argv[i], "--max-configs=", 14) == 0) {
_settings->_force = false;
std::istringstream iss(14+argv[i]);
if (!(iss >> _settings->_maxConfigs)) {
PrintMessage("cppcheck: argument to '--max-configs=' is not a number.");
return false;
}
if (_settings->_maxConfigs < 1) {
PrintMessage("cppcheck: argument to '--max-configs=' must be greater than 0.");
return false;
}
}
// Print help
else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
_pathnames.clear();
_showHelp = true;
_exitAfterPrint = true;
break;
}
else if (strncmp(argv[i], "-", 1) == 0 || strncmp(argv[i], "--", 2) == 0) {
std::string message("cppcheck: error: unrecognized command line option: \"");
message += argv[i];
message += "\".";
PrintMessage(message);
return false;
}
else {
std::string path = Path::fromNativeSeparators(argv[i]);
path = Path::removeQuotationMarks(path);
_pathnames.push_back(path);
}
}
if (_settings->isEnabled("unusedFunction") && _settings->_jobs > 1) {
PrintMessage("cppcheck: unusedFunction check can't be used with '-j' option, so it's disabled.");
}
// FIXME: Make the _settings.test_2_pass thread safe
if (_settings->test_2_pass && _settings->_jobs > 1) {
PrintMessage("cppcheck: --test-2-pass doesn't work with -j option yet.");
}
if (argc <= 1)
_showHelp = true;
if (_showHelp) {
PrintHelp();
return true;
}
// Print error only if we have "real" command and expect files
if (!_exitAfterPrint && _pathnames.empty()) {
PrintMessage("cppcheck: No C or C++ source files found.");
return false;
}
return true;
}
void CmdLineParser::PrintHelp()
{
std::cout << "Cppcheck - A tool for static C/C++ code analysis\n"
"\n"
"Syntax:\n"
" cppcheck [OPTIONS] [files or paths]\n"
"\n"
"If a directory is given instead of a filename, *.cpp, *.cxx, *.cc, *.c++, *.c,\n"
"*.tpp, and *.txx files are checked recursively from the given directory.\n\n"
"Options:\n"
" --append=<file> This allows you to provide information about\n"
" functions by providing an implementation for them.\n"
" --check-config Check cppcheck configuration. The normal code\n"
" analysis is disabled by this flag.\n"
" -D<ID> By default Cppcheck checks all configurations.\n"
" Use '-D' to limit the checking. When '-D' is used the\n"
" checking is limited to the given configuration.\n"
" Example: '-DDEBUG=1 -D__cplusplus'.\n"
" -U<ID> By default Cppcheck checks all configurations.\n"
" Use '-U' to explicitely hide certain #ifdef <ID> code\n"
" paths from checking.\n"
" Example: '-UDEBUG'\n"
" --enable=<id> Enable additional checks. The available ids are:\n"
" * all\n"
" Enable all checks\n"
" * style\n"
" Enable all coding style checks. All messages\n"
" with the severities 'style', 'performance'\n"
" and 'portability' are enabled.\n"
" * performance\n"
" Enable performance messages\n"
" * portability\n"
" Enable portability messages\n"
" * information\n"
" Enable information messages\n"
" * unusedFunction\n"
" Check for unused functions\n"
" * missingInclude\n"
" Warn if there are missing includes. For\n"
" detailed information, use '--check-config'.\n"
" Several ids can be given if you separate them with\n"
" commas.\n"
" --error-exitcode=<n> If errors are found, integer [n] is returned instead\n"
" of the default '0'. '" << EXIT_FAILURE << "' is returned\n"
" if arguments are not valid or if no input files are\n"
" provided. Note that your operating system can\n"
" modify this value, e.g. '256' can become '0'.\n"
" --errorlist Print a list of all the error messages in XML format.\n"
" --exitcode-suppressions=<file>\n"
" Used when certain messages should be displayed but\n"
" should not cause a non-zero exitcode.\n"
" --file-list=<file> Specify the files to check in a text file. Add one\n"
" filename per line. When file is '-,' the file list will\n"
" be read from standard input.\n"
" -f, --force Force checking of all configurations in files. If used\n"
" together with '--max-ifdefs=', the last option is the\n"
" one that is effective.\n"
" -h, --help Print this help.\n"
" -I <dir> Give path to search for include files. Give several\n"
" -I parameters to give several paths. First given path is\n"
" searched for contained header files first. If paths are\n"
" relative to source files, this is not needed.\n"
" --includes-file=<file>\n"
" Specify directory paths to search for included header files\n"
" in a text file. Add one include path per line.\n"
" First given path is searched for contained header files first.\n"
" If paths are relative to source files, this is not needed.\n"
" -i <dir or file> Give a source file or source file directory to exclude\n"
" from the check. This applies only to source files so\n"
" header files included by source files are not matched.\n"
" Directory name is matched to all parts of the path.\n"
" --inline-suppr Enable inline suppressions. Use them by placing one or\n"
" more comments, like: '// cppcheck-suppress warningId'\n"
" on the lines before the warning to suppress.\n"
" -j <jobs> Start [jobs] threads to do the checking simultaneously.\n"
" --max-configs=<limit>\n"
" Maximum number of configurations to check in a file\n"
" before skipping it. Default is '12'. If used together\n"
" with '--force', the last option is the one that is\n"
" effective.\n"
" --platform=<type> Specifies platform specific types and sizes. The\n"
" available platforms are:\n"
" * unix32\n"
" 32 bit unix variant\n"
" * unix64\n"
" 64 bit unix variant\n"
" * win32A\n"
" 32 bit Windows ASCII character encoding\n"
" * win32W\n"
" 32 bit Windows UNICODE character encoding\n"
" * win64\n"
" 64 bit Windows\n"
" -q, --quiet Only print error messages.\n"
" --report-progress Report progress messages while checking a file.\n"
#ifdef HAVE_RULES
" --rule=<rule> Match regular expression.\n"
" --rule-file=<file> Use given rule file. For more information, see: \n"
" https://sourceforge.net/projects/cppcheck/files/Articles/\n"
#endif
" -s, --style Deprecated, please use '--enable=style' instead\n"
" --std=<id> Environment. The available options are:\n"
" * posix\n"
" Use this if a posix environment is available\n"
" * c99\n"
" Use this if the compiler is C99 compatible\n"
" * c++11\n"
" Use this if the compiler is C++11 compatible.\n"
" note: you probably want to also use 'c99'.\n"
" --suppress=<spec> Suppress warnings that match <spec>. The format of\n"
" <spec> is:\n"
" [error id]:[filename]:[line]\n"
" The [filename] and [line] are optional. If [error id]\n"
" is a wildcard '*', all error ids match.\n"
" --suppressions-list=<file>\n"
" Suppress warnings listed in the file. Each suppression\n"
" is in the same format as <spec> above.\n"
" --template='<text>' Format the error messages. E.g.\n"
" '{file}:{line},{severity},{id},{message}' or\n"
" '{file}({line}):({severity}) {message}'\n"
" Pre-defined templates: gcc, vs, edit.\n"
" -v, --verbose Output more detailed error information.\n"
" --version Print out version number.\n"
" --xml Write results in xml format to error stream (stderr).\n"
" --xml-version=<version>\n"
" Select the XML file version. Currently versions 1 and\n"
" 2 are available. The default version is 1."
"\n"
"Example usage:\n"
" # Recursively check the current folder. Print the progress on the screen and\n"
" write errors to a file:\n"
" cppcheck . 2> err.txt\n"
" # Recursively check ../myproject/ and don't print progress:\n"
" cppcheck --quiet ../myproject/\n"
" # Check only files one.cpp and two.cpp and give all information there is:\n"
" cppcheck -v -s one.cpp two.cpp\n"
" # Check f.cpp and search include files from inc1/ and inc2/:\n"
" cppcheck -I inc1/ -I inc2/ f.cpp\n"
"\n"
"For more information:\n"
" http://cppcheck.sf.net/manual.pdf\n";
}
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