/*========================================================================= Program: CMake - Cross-Platform Makefile Generator Module: $RCSfile$ Language: C++ Date: $Date$ Version: $Revision$ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information. =========================================================================*/ #include "cmSystemTools.h" #include "errno.h" #include #include #include "cmRegularExpression.h" #include #include "cmDirectory.h" #include // support for realpath call #ifndef _WIN32 #include #include #include #include #endif #if defined(_WIN32) && (defined(_MSC_VER) || defined(__BORLANDC__)) #include #include #include #define _unlink unlink inline int Mkdir(const char* dir) { return _mkdir(dir); } inline const char* Getcwd(char* buf, unsigned int len) { return _getcwd(buf, len); } inline int Chdir(const char* dir) { #if defined(__BORLANDC__) return chdir(dir); #else return _chdir(dir); #endif } #else #include #include #include inline int Mkdir(const char* dir) { return mkdir(dir, 00777); } inline const char* Getcwd(char* buf, unsigned int len) { return getcwd(buf, len); } inline int Chdir(const char* dir) { return chdir(dir); } #endif /* Implement floattime() for various platforms */ // Taken from Python 2.1.3 #if defined( _WIN32 ) && !defined( __CYGWIN__ ) # include # define HAVE_FTIME # if defined( __BORLANDC__) # define FTIME ftime # define TIMEB timeb # else // Visual studio? # define FTIME _ftime # define TIMEB _timeb # endif #elif defined( __CYGWIN__ ) || defined( __linux__ ) # include # include # define HAVE_GETTIMEOFDAY #endif double cmSystemTools::GetTime(void) { /* There are three ways to get the time: (1) gettimeofday() -- resolution in microseconds (2) ftime() -- resolution in milliseconds (3) time() -- resolution in seconds In all cases the return value is a float in seconds. Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may fail, so we fall back on ftime() or time(). Note: clock resolution does not imply clock accuracy! */ #ifdef HAVE_GETTIMEOFDAY { struct timeval t; #ifdef GETTIMEOFDAY_NO_TZ if (gettimeofday(&t) == 0) return (double)t.tv_sec + t.tv_usec*0.000001; #else /* !GETTIMEOFDAY_NO_TZ */ if (gettimeofday(&t, (struct timezone *)NULL) == 0) return (double)t.tv_sec + t.tv_usec*0.000001; #endif /* !GETTIMEOFDAY_NO_TZ */ } #endif /* !HAVE_GETTIMEOFDAY */ { #if defined(HAVE_FTIME) struct TIMEB t; FTIME(&t); return (double)t.time + (double)t.millitm * (double)0.001; #else /* !HAVE_FTIME */ time_t secs; time(&secs); return (double)secs; #endif /* !HAVE_FTIME */ } } bool cmSystemTools::s_RunCommandHideConsole = false; bool cmSystemTools::s_DisableRunCommandOutput = false; bool cmSystemTools::s_ErrorOccured = false; bool cmSystemTools::s_DisableMessages = false; std::string cmSystemTools::s_Windows9xComspecSubstitute = "command.com"; void cmSystemTools::SetWindows9xComspecSubstitute(const char* str) { if ( str ) { cmSystemTools::s_Windows9xComspecSubstitute = str; } } const char* cmSystemTools::GetWindows9xComspecSubstitute() { return cmSystemTools::s_Windows9xComspecSubstitute.c_str(); } void (*cmSystemTools::s_ErrorCallback)(const char*, const char*, bool&, void*); void* cmSystemTools::s_ErrorCallbackClientData = 0; // adds the elements of the env variable path to the arg passed in void cmSystemTools::GetPath(std::vector& path) { #if defined(_WIN32) && !defined(__CYGWIN__) const char* pathSep = ";"; #else const char* pathSep = ":"; #endif std::string pathEnv = getenv("PATH"); // A hack to make the below algorithm work. if(pathEnv[pathEnv.length()-1] != ':') { pathEnv += pathSep; } std::string::size_type start =0; bool done = false; while(!done) { std::string::size_type endpos = pathEnv.find(pathSep, start); if(endpos != std::string::npos) { path.push_back(pathEnv.substr(start, endpos-start)); start = endpos+1; } else { done = true; } } for(std::vector::iterator i = path.begin(); i != path.end(); ++i) { cmSystemTools::ConvertToUnixSlashes(*i); } } const char* cmSystemTools::GetExecutableExtension() { #if defined(_WIN32) || defined(__CYGWIN__) return ".exe"; #else return ""; #endif } bool cmSystemTools::MakeDirectory(const char* path) { if(cmSystemTools::FileExists(path)) { return true; } std::string dir = path; if(dir.size() == 0) { return false; } cmSystemTools::ConvertToUnixSlashes(dir); std::string::size_type pos = dir.find(':'); if(pos == std::string::npos) { pos = 0; } std::string topdir; while((pos = dir.find('/', pos)) != std::string::npos) { topdir = dir.substr(0, pos); Mkdir(topdir.c_str()); pos++; } if(dir[dir.size()-1] == '/') { topdir = dir.substr(0, dir.size()); } else { topdir = dir; } if(Mkdir(topdir.c_str()) != 0) { // There is a bug in the Borland Run time library which makes MKDIR // return EACCES when it should return EEXISTS // if it is some other error besides directory exists // then return false if( (errno != EEXIST) #ifdef __BORLANDC__ && (errno != EACCES) #endif ) { cmSystemTools::Error("Faild to create directory:", path); return false; } } return true; } // replace replace with with as many times as it shows up in source. // write the result into source. void cmSystemTools::ReplaceString(std::string& source, const char* replace, const char* with) { // get out quick if string is not found std::string::size_type start = source.find(replace); if(start == std::string::npos) { return; } std::string rest; std::string::size_type lengthReplace = strlen(replace); std::string::size_type lengthWith = strlen(with); while(start != std::string::npos) { rest = source.substr(start+lengthReplace); source = source.substr(0, start); source += with; source += rest; start = source.find(replace, start + lengthWith ); } } // Read a registry value. // Example : // HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath // => will return the data of the "default" value of the key // HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root // => will return the data of the "Root" value of the key #if defined(_WIN32) && !defined(__CYGWIN__) bool cmSystemTools::ReadRegistryValue(const char *key, std::string &value) { std::string primary = key; std::string second; std::string valuename; size_t start = primary.find("\\"); if (start == std::string::npos) { return false; } size_t valuenamepos = primary.find(";"); if (valuenamepos != std::string::npos) { valuename = primary.substr(valuenamepos+1); } second = primary.substr(start+1, valuenamepos-start-1); primary = primary.substr(0, start); HKEY primaryKey; if (primary == "HKEY_CURRENT_USER") { primaryKey = HKEY_CURRENT_USER; } if (primary == "HKEY_CURRENT_CONFIG") { primaryKey = HKEY_CURRENT_CONFIG; } if (primary == "HKEY_CLASSES_ROOT") { primaryKey = HKEY_CLASSES_ROOT; } if (primary == "HKEY_LOCAL_MACHINE") { primaryKey = HKEY_LOCAL_MACHINE; } if (primary == "HKEY_USERS") { primaryKey = HKEY_USERS; } HKEY hKey; if(RegOpenKeyEx(primaryKey, second.c_str(), 0, KEY_READ, &hKey) != ERROR_SUCCESS) { return false; } else { DWORD dwType, dwSize; dwSize = 1023; char data[1024]; if(RegQueryValueEx(hKey, (LPTSTR)valuename.c_str(), NULL, &dwType, (BYTE *)data, &dwSize) == ERROR_SUCCESS) { if (dwType == REG_SZ) { value = data; return true; } } } return false; } #else bool cmSystemTools::ReadRegistryValue(const char *, std::string &) { return false; } #endif // Write a registry value. // Example : // HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath // => will set the data of the "default" value of the key // HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root // => will set the data of the "Root" value of the key #if defined(_WIN32) && !defined(__CYGWIN__) bool cmSystemTools::WriteRegistryValue(const char *key, const char *value) { std::string primary = key; std::string second; std::string valuename; size_t start = primary.find("\\"); if (start == std::string::npos) { return false; } size_t valuenamepos = primary.find(";"); if (valuenamepos != std::string::npos) { valuename = primary.substr(valuenamepos+1); } second = primary.substr(start+1, valuenamepos-start-1); primary = primary.substr(0, start); HKEY primaryKey; if (primary == "HKEY_CURRENT_USER") { primaryKey = HKEY_CURRENT_USER; } if (primary == "HKEY_CURRENT_CONFIG") { primaryKey = HKEY_CURRENT_CONFIG; } if (primary == "HKEY_CLASSES_ROOT") { primaryKey = HKEY_CLASSES_ROOT; } if (primary == "HKEY_LOCAL_MACHINE") { primaryKey = HKEY_LOCAL_MACHINE; } if (primary == "HKEY_USERS") { primaryKey = HKEY_USERS; } HKEY hKey; DWORD dwDummy; if(RegCreateKeyEx(primaryKey, second.c_str(), 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, &dwDummy) != ERROR_SUCCESS) { return false; } if(RegSetValueEx(hKey, (LPTSTR)valuename.c_str(), 0, REG_SZ, (CONST BYTE *)value, (DWORD)(strlen(value) + 1)) == ERROR_SUCCESS) { return true; } return false; } #else bool cmSystemTools::WriteRegistryValue(const char *, const char *) { return false; } #endif // Delete a registry value. // Example : // HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.1\InstallPath // => will delete the data of the "default" value of the key // HKEY_LOCAL_MACHINE\SOFTWARE\Scriptics\Tcl\8.4;Root // => will delete the data of the "Root" value of the key #if defined(_WIN32) && !defined(__CYGWIN__) bool cmSystemTools::DeleteRegistryValue(const char *key) { std::string primary = key; std::string second; std::string valuename; size_t start = primary.find("\\"); if (start == std::string::npos) { return false; } size_t valuenamepos = primary.find(";"); if (valuenamepos != std::string::npos) { valuename = primary.substr(valuenamepos+1); } second = primary.substr(start+1, valuenamepos-start-1); primary = primary.substr(0, start); HKEY primaryKey; if (primary == "HKEY_CURRENT_USER") { primaryKey = HKEY_CURRENT_USER; } if (primary == "HKEY_CURRENT_CONFIG") { primaryKey = HKEY_CURRENT_CONFIG; } if (primary == "HKEY_CLASSES_ROOT") { primaryKey = HKEY_CLASSES_ROOT; } if (primary == "HKEY_LOCAL_MACHINE") { primaryKey = HKEY_LOCAL_MACHINE; } if (primary == "HKEY_USERS") { primaryKey = HKEY_USERS; } HKEY hKey; if(RegOpenKeyEx(primaryKey, second.c_str(), 0, KEY_WRITE, &hKey) != ERROR_SUCCESS) { return false; } else { if(RegDeleteValue(hKey, (LPTSTR)valuename.c_str()) == ERROR_SUCCESS) { return true; } } return false; } #else bool cmSystemTools::DeleteRegistryValue(const char *) { return false; } #endif // replace replace with with as many times as it shows up in source. // write the result into source. #if defined(_WIN32) && !defined(__CYGWIN__) void cmSystemTools::ExpandRegistryValues(std::string& source) { // Regular expression to match anything inside [...] that begins in HKEY. // Note that there is a special rule for regular expressions to match a // close square-bracket inside a list delimited by square brackets. // The "[^]]" part of this expression will match any character except // a close square-bracket. The ']' character must be the first in the // list of characters inside the [^...] block of the expression. cmRegularExpression regEntry("\\[(HKEY[^]]*)\\]"); // check for black line or comment while (regEntry.find(source)) { // the arguments are the second match std::string key = regEntry.match(1); std::string val; if (ReadRegistryValue(key.c_str(), val)) { std::string reg = "["; reg += key + "]"; cmSystemTools::ReplaceString(source, reg.c_str(), val.c_str()); } else { std::string reg = "["; reg += key + "]"; cmSystemTools::ReplaceString(source, reg.c_str(), "/registry"); } } } #else void cmSystemTools::ExpandRegistryValues(std::string&) { } #endif std::string cmSystemTools::EscapeQuotes(const char* str) { std::string result = ""; for(const char* ch = str; *ch != '\0'; ++ch) { if(*ch == '"') { result += '\\'; } result += *ch; } return result; } bool cmSystemTools::SameFile(const char* file1, const char* file2) { #ifdef _WIN32 HANDLE hFile1, hFile2; hFile1 = CreateFile( file1, GENERIC_READ, FILE_SHARE_READ , NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL ); hFile2 = CreateFile( file2, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL ); if( hFile1 == INVALID_HANDLE_VALUE || hFile2 == INVALID_HANDLE_VALUE) { if(hFile1 != INVALID_HANDLE_VALUE) { CloseHandle(hFile1); } if(hFile2 != INVALID_HANDLE_VALUE) { CloseHandle(hFile2); } return false; } BY_HANDLE_FILE_INFORMATION fiBuf1; BY_HANDLE_FILE_INFORMATION fiBuf2; GetFileInformationByHandle( hFile1, &fiBuf1 ); GetFileInformationByHandle( hFile2, &fiBuf2 ); CloseHandle(hFile1); CloseHandle(hFile2); return (fiBuf1.nFileIndexHigh == fiBuf2.nFileIndexHigh && fiBuf1.nFileIndexLow == fiBuf2.nFileIndexLow); #else struct stat fileStat1, fileStat2; if (stat(file1, &fileStat1) == 0 && stat(file2, &fileStat2) == 0) { // see if the files are the same file // check the device inode and size if(memcmp(&fileStat2.st_dev, &fileStat1.st_dev, sizeof(fileStat1.st_dev)) == 0 && memcmp(&fileStat2.st_ino, &fileStat1.st_ino, sizeof(fileStat1.st_ino)) == 0 && fileStat2.st_size == fileStat1.st_size ) { return true; } } return false; #endif } // return true if the file exists bool cmSystemTools::FileExists(const char* filename) { struct stat fs; if (stat(filename, &fs) != 0) { return false; } else { return true; } } // Return a capitalized string (i.e the first letter is uppercased, all other // are lowercased) std::string cmSystemTools::Capitalized(const std::string& s) { std::string n; n.resize(s.size()); n[0] = toupper(s[0]); for (size_t i = 1; i < s.size(); i++) { n[i] = tolower(s[i]); } return n; } // Return a lower case string std::string cmSystemTools::LowerCase(const std::string& s) { std::string n; n.resize(s.size()); for (size_t i = 0; i < s.size(); i++) { n[i] = tolower(s[i]); } return n; } // Return a lower case string std::string cmSystemTools::UpperCase(const std::string& s) { std::string n; n.resize(s.size()); for (size_t i = 0; i < s.size(); i++) { n[i] = toupper(s[i]); } return n; } // convert windows slashes to unix slashes void cmSystemTools::ConvertToUnixSlashes(std::string& path) { std::string::size_type pos = 0; while((pos = path.find('\\', pos)) != std::string::npos) { path[pos] = '/'; pos++; } // remove any trailing slash if(path.size() && path[path.size()-1] == '/') { path = path.substr(0, path.size()-1); } // if there is a tilda ~ then replace it with HOME if(path.find("~") == 0) { if (getenv("HOME")) { path = std::string(getenv("HOME")) + path.substr(1); } } // if there is a /tmp_mnt in a path get rid of it! // stupid sgi's if(path.find("/tmp_mnt") == 0) { path = path.substr(8); } } // change // to /, and escape any spaces in the path std::string cmSystemTools::ConvertToUnixOutputPath(const char* path) { std::string ret = path; // remove // except at the beginning might be a cygwin drive std::string::size_type pos = 1; while((pos = ret.find("//", pos)) != std::string::npos) { ret.erase(pos, 1); } // now escape spaces if there is a space in the path if(ret.find(" ") != std::string::npos) { std::string result = ""; char lastch = 1; for(const char* ch = ret.c_str(); *ch != '\0'; ++ch) { // if it is already escaped then don't try to escape it again if(*ch == ' ' && lastch != '\\') { result += '\\'; } result += *ch; lastch = *ch; } ret = result; } return ret; } std::string cmSystemTools::EscapeSpaces(const char* str) { #if defined(_WIN32) && !defined(__CYGWIN__) std::string result; // if there are spaces std::string temp = str; if (temp.find(" ") != std::string::npos && temp.find("\"")==std::string::npos) { result = "\""; result += str; result += "\""; return result; } return str; #else std::string result = ""; for(const char* ch = str; *ch != '\0'; ++ch) { if(*ch == ' ') { result += '\\'; } result += *ch; } return result; #endif } std::string cmSystemTools::ConvertToOutputPath(const char* path) { #if defined(_WIN32) && !defined(__CYGWIN__) return cmSystemTools::ConvertToWindowsOutputPath(path); #else return cmSystemTools::ConvertToUnixOutputPath(path); #endif } // remove double slashes not at the start std::string cmSystemTools::ConvertToWindowsOutputPath(const char* path) { std::string ret = path; std::string::size_type pos = 0; // first convert all of the slashes while((pos = ret.find('/', pos)) != std::string::npos) { ret[pos] = '\\'; pos++; } // check for really small paths if(ret.size() < 2) { return ret; } // now clean up a bit and remove double slashes // Only if it is not the first position in the path which is a network // path on windows pos = 1; // start at position 1 if(ret[0] == '\"') { pos = 2; // if the string is already quoted then start at 2 if(ret.size() < 3) { return ret; } } while((pos = ret.find("\\\\", pos)) != std::string::npos) { ret.erase(pos, 1); } // now double quote the path if it has spaces in it // and is not already double quoted if(ret.find(" ") != std::string::npos && ret[0] != '\"') { std::string result; result = "\"" + ret + "\""; ret = result; } return ret; } std::string cmSystemTools::RemoveEscapes(const char* s) { std::string result = ""; for(const char* ch = s; *ch; ++ch) { if(*ch == '\\' && *(ch+1) != ';') { ++ch; switch (*ch) { case '\\': result.insert(result.end(), '\\'); break; case '"': result.insert(result.end(), '"'); break; case ' ': result.insert(result.end(), ' '); break; case 't': result.insert(result.end(), '\t'); break; case 'n': result.insert(result.end(), '\n'); break; case 'r': result.insert(result.end(), '\r'); break; case '0': result.insert(result.end(), '\0'); break; case '\0': { cmSystemTools::Error("Trailing backslash in argument:\n", s); return result; } default: { std::string chStr(1, *ch); cmSystemTools::Error("Invalid escape sequence \\", chStr.c_str(), "\nin argument ", s); } } } else { result.insert(result.end(), *ch); } } return result; } void cmSystemTools::Error(const char* m1, const char* m2, const char* m3, const char* m4) { std::string message = "CMake Error: "; if(m1) { message += m1; } if(m2) { message += m2; } if(m3) { message += m3; } if(m4) { message += m4; } cmSystemTools::s_ErrorOccured = true; cmSystemTools::Message(message.c_str(),"Error"); } void cmSystemTools::SetErrorCallback(ErrorCallback f, void* clientData) { s_ErrorCallback = f; s_ErrorCallbackClientData = clientData; } void cmSystemTools::Message(const char* m1, const char *title) { if(s_DisableMessages) { return; } if(s_ErrorCallback) { (*s_ErrorCallback)(m1, title, s_DisableMessages, s_ErrorCallbackClientData); return; } else { std::cerr << m1 << std::endl << std::flush; } } bool cmSystemTools::CopyFileIfDifferent(const char* source, const char* destination) { if(cmSystemTools::FilesDiffer(source, destination)) { cmSystemTools::cmCopyFile(source, destination); return true; } return false; } bool cmSystemTools::FilesDiffer(const char* source, const char* destination) { struct stat statSource; if (stat(source, &statSource) != 0) { return true; } struct stat statDestination; if (stat(destination, &statDestination) != 0) { return true; } if(statSource.st_size != statDestination.st_size) { return true; } if(statSource.st_size == 0) { return false; } #if defined(_WIN32) || defined(__CYGWIN__) std::ifstream finSource(source, std::ios::binary | std::ios::in); std::ifstream finDestination(destination, std::ios::binary | std::ios::in); #else std::ifstream finSource(source); std::ifstream finDestination(destination); #endif if(!finSource || !finDestination) { return true; } char* source_buf = new char[statSource.st_size]; char* dest_buf = new char[statSource.st_size]; finSource.read(source_buf, statSource.st_size); finDestination.read(dest_buf, statSource.st_size); if(statSource.st_size != static_cast(finSource.gcount()) || statSource.st_size != static_cast(finDestination.gcount())) { cmOStringStream msg; msg << "FilesDiffer failed to read files (allocated: " << statSource.st_size << ", read source: " << finSource.gcount() << ", read dest: " << finDestination.gcount(); cmSystemTools::Error(msg.str().c_str()); delete [] source_buf; delete [] dest_buf; return false; } int ret = memcmp((const void*)source_buf, (const void*)dest_buf, statSource.st_size); delete [] dest_buf; delete [] source_buf; return ret != 0; } /** * Copy a file named by "source" to the file named by "destination". */ void cmSystemTools::cmCopyFile(const char* source, const char* destination) { const int bufferSize = 4096; char buffer[bufferSize]; // If destination is a directory, try to create a file with the same // name as the source in that directory. std::string new_destination; if(cmSystemTools::FileExists(destination) && cmSystemTools::FileIsDirectory(destination)) { new_destination = destination; cmSystemTools::ConvertToUnixSlashes(new_destination); new_destination += '/'; std::string source_name = source; new_destination += cmSystemTools::GetFilenameName(source_name); destination = new_destination.c_str(); } // Create destination directory std::string destination_dir = destination; destination_dir = cmSystemTools::GetFilenamePath(destination_dir); cmSystemTools::MakeDirectory(destination_dir.c_str()); // Open files #if defined(_WIN32) || defined(__CYGWIN__) std::ifstream fin(source, std::ios::binary | std::ios::in); #else std::ifstream fin(source); #endif if(!fin) { std::string m = "CopyFile failed to open input file \""; m += source; m += "\""; m += " System Error: "; m += strerror(errno); cmSystemTools::Error(m.c_str()); return; } #if defined(_WIN32) || defined(__CYGWIN__) std::ofstream fout(destination, std::ios::binary | std::ios::out | std::ios::trunc); #else std::ofstream fout(destination, std::ios::out | std::ios::trunc); #endif if(!fout) { std::string m = "CopyFile failed to open output file \""; m += destination; m += "\""; m += " System Error: "; m += strerror(errno); cmSystemTools::Error(m.c_str()); return; } // This copy loop is very sensitive on certain platforms with // slightly broken stream libraries (like HPUX). Normally, it is // incorrect to not check the error condition on the fin.read() // before using the data, but the fin.gcount() will be zero if an // error occurred. Therefore, the loop should be safe everywhere. while(fin) { fin.read(buffer, bufferSize); if(fin.gcount()) { fout.write(buffer, fin.gcount()); } } // Make sure the operating system has finished writing the file // before closing it. This will ensure the file is finished before // the check below. fout.flush(); fin.close(); fout.close(); // More checks struct stat statSource, statDestination; if (stat(source, &statSource) != 0 || stat(destination, &statDestination) != 0) { cmSystemTools::Error("CopyFile failed to copy files!"); } else { if (statSource.st_size != statDestination.st_size) { cmOStringStream msg; msg << "CopyFile failed to copy files (sizes differ, source: " << statSource.st_size << " , dest: " << statDestination.st_size; cmSystemTools::Error(msg.str().c_str()); } } } // return true if the file exists long int cmSystemTools::ModifiedTime(const char* filename) { struct stat fs; if (stat(filename, &fs) != 0) { return 0; } else { return (long int)fs.st_mtime; } } bool cmSystemTools::RemoveFile(const char* source) { return unlink(source) != 0 ? false : true; } bool cmSystemTools::IsOn(const char* val) { if (!val) { return false; } std::basic_string v = val; for(std::basic_string::iterator c = v.begin(); c != v.end(); c++) { *c = toupper(*c); } return (v == "ON" || v == "1" || v == "YES" || v == "TRUE" || v == "Y"); } bool cmSystemTools::IsOff(const char* val) { if (!val || strlen(val) == 0) { return true; } std::basic_string v = val; for(std::basic_string::iterator c = v.begin(); c != v.end(); c++) { *c = toupper(*c); } return (v == "OFF" || v == "0" || v == "NO" || v == "FALSE" || v == "N" || v == "NOTFOUND" || v == "IGNORE"); } bool cmSystemTools::RunCommand(const char* command, std::string& output, const char* dir, bool verbose, int timeout) { int dummy; return cmSystemTools::RunCommand(command, output, dummy, dir, verbose, timeout); } #if defined(WIN32) && !defined(__CYGWIN__) #include "cmWin32ProcessExecution.h" // use this for shell commands like echo and dir bool RunCommandViaWin32(const char* command, const char* dir, std::string& output, int& retVal, bool verbose, int timeout) { #if defined(__BORLANDC__) return cmWin32ProcessExecution::BorlandRunCommand(command, dir, output, retVal, verbose, timeout, cmSystemTools::GetRunCommandHideConsole()); #else // Visual studio ::SetLastError(ERROR_SUCCESS); if ( ! command ) { cmSystemTools::Error("No command specified"); return false; } cmWin32ProcessExecution resProc; if(cmSystemTools::GetRunCommandHideConsole()) { resProc.SetHideWindows(true); } if ( cmSystemTools::GetWindows9xComspecSubstitute() ) { resProc.SetConsoleSpawn(cmSystemTools::GetWindows9xComspecSubstitute() ); } if ( !resProc.StartProcess(command, dir, verbose) ) { std::cout << "Problem starting command" << std::endl; return false; } resProc.Wait(timeout); output = resProc.GetOutput(); retVal = resProc.GetExitValue(); return true; #endif } // use this for shell commands like echo and dir bool RunCommandViaSystem(const char* command, const char* dir, std::string& output, int& retVal, bool verbose) { std::cout << "@@ " << command << std::endl; const int BUFFER_SIZE = 4096; char buffer[BUFFER_SIZE]; std::string commandInDir; if(dir) { commandInDir = "cd "; commandInDir += cmSystemTools::ConvertToOutputPath(dir); commandInDir += " && "; commandInDir += command; } else { commandInDir = command; } command = commandInDir.c_str(); std::string commandToFile = command; commandToFile += " > "; std::string tempFile; tempFile += _tempnam(0, "cmake"); commandToFile += tempFile; retVal = system(commandToFile.c_str()); std::ifstream fin(tempFile.c_str()); if(!fin) { if(verbose) { std::string errormsg = "RunCommand produced no output: command: \""; errormsg += command; errormsg += "\""; errormsg += "\nOutput file: "; errormsg += tempFile; cmSystemTools::Error(errormsg.c_str()); } fin.close(); cmSystemTools::RemoveFile(tempFile.c_str()); return false; } bool multiLine = false; while(fin) { fin.getline(buffer, BUFFER_SIZE); output += buffer; if(multiLine) { output += "\n"; } multiLine = true; } fin.close(); cmSystemTools::RemoveFile(tempFile.c_str()); return true; } #else // We have popen bool RunCommandViaPopen(const char* command, const char* dir, std::string& output, int& retVal, bool verbose, int /*timeout*/) { // if only popen worked on windows..... std::string commandInDir; if(dir) { commandInDir = "cd \""; commandInDir += dir; commandInDir += "\" && "; commandInDir += command; } else { commandInDir = command; } commandInDir += " 2>&1"; command = commandInDir.c_str(); const int BUFFER_SIZE = 4096; char buffer[BUFFER_SIZE]; if(verbose) { std::cout << "running " << command << std::endl; } fflush(stdout); fflush(stderr); FILE* cpipe = popen(command, "r"); if(!cpipe) { return false; } fgets(buffer, BUFFER_SIZE, cpipe); while(!feof(cpipe)) { if(verbose) { std::cout << buffer << std::flush; } output += buffer; fgets(buffer, BUFFER_SIZE, cpipe); } retVal = pclose(cpipe); if (WIFEXITED(retVal)) { retVal = WEXITSTATUS(retVal); return true; } if (WIFSIGNALED(retVal)) { retVal = WTERMSIG(retVal); cmOStringStream error; error << "\nProcess terminated due to "; switch (retVal) { #ifdef SIGKILL case SIGKILL: error << "SIGKILL"; break; #endif #ifdef SIGFPE case SIGFPE: error << "SIGFPE"; break; #endif #ifdef SIGBUS case SIGBUS: error << "SIGBUS"; break; #endif #ifdef SIGSEGV case SIGSEGV: error << "SIGSEGV"; break; #endif default: error << "signal " << retVal; break; } output += error.str(); } return false; } #endif // endif WIN32 not CYGWIN // run a command unix uses popen (easy) // windows uses system and ShortPath bool cmSystemTools::RunCommand(const char* command, std::string& output, int &retVal, const char* dir, bool verbose, int timeout) { if(s_DisableRunCommandOutput) { verbose = false; } #if defined(WIN32) && !defined(__CYGWIN__) // if the command does not start with a quote, then // try to find the program, and if the program can not be // found use system to run the command as it must be a built in // shell command like echo or dir int count = 0; if(command[0] == '\"') { // count the number of quotes for(const char* s = command; *s != 0; ++s) { if(*s == '\"') { count++; if(count > 2) { break; } } } // if there are more than two double quotes use // GetShortPathName, the cmd.exe program in windows which // is used by system fails to execute if there are more than // one set of quotes in the arguments if(count > 2) { cmRegularExpression quoted("^\"([^\"]*)\"[ \t](.*)"); if(quoted.find(command)) { std::string shortCmd; std::string cmd = quoted.match(1); std::string args = quoted.match(2); if(! cmSystemTools::FileExists(cmd.c_str()) ) { shortCmd = cmd; } else if(!cmSystemTools::GetShortPath(cmd.c_str(), shortCmd)) { cmSystemTools::Error("GetShortPath failed for " , cmd.c_str()); return false; } shortCmd += " "; shortCmd += args; //return RunCommandViaSystem(shortCmd.c_str(), dir, // output, retVal, verbose); //return WindowsRunCommand(shortCmd.c_str(), dir, //output, retVal, verbose); return RunCommandViaWin32(shortCmd.c_str(), dir, output, retVal, verbose, timeout); } else { cmSystemTools::Error("Could not parse command line with quotes ", command); } } } // if there is only one set of quotes or no quotes then just run the command //return RunCommandViaSystem(command, dir, output, retVal, verbose); //return WindowsRunCommand(command, dir, output, retVal, verbose); return ::RunCommandViaWin32(command, dir, output, retVal, verbose, timeout); #else return ::RunCommandViaPopen(command, dir, output, retVal, verbose, timeout); #endif } /** * Find the file the given name. Searches the given path and then * the system search path. Returns the full path to the file if it is * found. Otherwise, the empty string is returned. */ std::string cmSystemTools::FindFile(const char* name, const std::vector& userPaths) { // Add the system search path to our path. std::vector path = userPaths; cmSystemTools::GetPath(path); std::string tryPath; for(std::vector::const_iterator p = path.begin(); p != path.end(); ++p) { tryPath = *p; tryPath += "/"; tryPath += name; if(cmSystemTools::FileExists(tryPath.c_str()) && !cmSystemTools::FileIsDirectory(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } } // Couldn't find the file. return ""; } /** * Find the executable with the given name. Searches the given path and then * the system search path. Returns the full path to the executable if it is * found. Otherwise, the empty string is returned. */ std::string cmSystemTools::FindProgram(const char* name, const std::vector& userPaths, bool no_system_path) { // See if the executable exists as written. if(cmSystemTools::FileExists(name) && !cmSystemTools::FileIsDirectory(name)) { return cmSystemTools::CollapseFullPath(name); } std::string tryPath = name; tryPath += cmSystemTools::GetExecutableExtension(); if(cmSystemTools::FileExists(tryPath.c_str()) && !cmSystemTools::FileIsDirectory(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } // Add the system search path to our path. std::vector path = userPaths; if (!no_system_path) { cmSystemTools::GetPath(path); } for(std::vector::const_iterator p = path.begin(); p != path.end(); ++p) { tryPath = *p; tryPath += "/"; tryPath += name; if(cmSystemTools::FileExists(tryPath.c_str()) && !cmSystemTools::FileIsDirectory(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } #ifdef _WIN32 tryPath += ".com"; if(cmSystemTools::FileExists(tryPath.c_str()) && !cmSystemTools::FileIsDirectory(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } tryPath = *p; tryPath += "/"; tryPath += name; #endif tryPath += cmSystemTools::GetExecutableExtension(); if(cmSystemTools::FileExists(tryPath.c_str()) && !cmSystemTools::FileIsDirectory(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } } // Couldn't find the program. return ""; } /** * Find the library with the given name. Searches the given path and then * the system search path. Returns the full path to the library if it is * found. Otherwise, the empty string is returned. */ std::string cmSystemTools::FindLibrary(const char* name, const std::vector& userPaths) { // See if the executable exists as written. if(cmSystemTools::FileExists(name)) { return cmSystemTools::CollapseFullPath(name); } // Add the system search path to our path. std::vector path = userPaths; cmSystemTools::GetPath(path); std::string tryPath; for(std::vector::const_iterator p = path.begin(); p != path.end(); ++p) { #if defined(_WIN32) && !defined(__CYGWIN__) tryPath = *p; tryPath += "/"; tryPath += name; tryPath += ".lib"; if(cmSystemTools::FileExists(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } #else tryPath = *p; tryPath += "/lib"; tryPath += name; tryPath += ".so"; if(cmSystemTools::FileExists(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } tryPath = *p; tryPath += "/lib"; tryPath += name; tryPath += ".a"; if(cmSystemTools::FileExists(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } tryPath = *p; tryPath += "/lib"; tryPath += name; tryPath += ".sl"; if(cmSystemTools::FileExists(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } tryPath = *p; tryPath += "/lib"; tryPath += name; tryPath += ".dylib"; if(cmSystemTools::FileExists(tryPath.c_str())) { return cmSystemTools::CollapseFullPath(tryPath.c_str()); } #endif } // Couldn't find the library. return ""; } bool cmSystemTools::FileIsDirectory(const char* name) { struct stat fs; if(stat(name, &fs) == 0) { #if _WIN32 return ((fs.st_mode & _S_IFDIR) != 0); #else return S_ISDIR(fs.st_mode); #endif } else { return false; } } int cmSystemTools::ChangeDirectory(const char *dir) { return Chdir(dir); } std::string cmSystemTools::GetCurrentWorkingDirectory() { char buf[2048]; std::string path = Getcwd(buf, 2048); return path; } /** * Given the path to a program executable, get the directory part of the path with the * file stripped off. If there is no directory part, the empty string is returned. */ std::string cmSystemTools::GetProgramPath(const char* in_name) { std::string dir, file; cmSystemTools::SplitProgramPath(in_name, dir, file); return dir; } /** * Given the path to a program executable, get the directory part of the path * with the file stripped off. If there is no directory part, the empty * string is returned. */ void cmSystemTools::SplitProgramPath(const char* in_name, std::string& dir, std::string& file) { dir = in_name; file = ""; cmSystemTools::ConvertToUnixSlashes(dir); if(!cmSystemTools::FileIsDirectory(dir.c_str())) { std::string::size_type slashPos = dir.rfind("/"); if(slashPos != std::string::npos) { file = dir.substr(slashPos+1); dir = dir.substr(0, slashPos); } else { file = dir; dir = ""; } } if((dir != "") && !cmSystemTools::FileIsDirectory(dir.c_str())) { std::string oldDir = in_name; cmSystemTools::ConvertToUnixSlashes(oldDir); cmSystemTools::Error("Error splitting file name off end of path:\n", oldDir.c_str(), "\nDirectory not found: ", dir.c_str()); dir = in_name; return; } } /** * Given a path to a file or directory, convert it to a full path. * This collapses away relative paths. The full path is returned. */ std::string cmSystemTools::CollapseFullPath(const char* in_name) { std::string dir, file; cmSystemTools::SplitProgramPath(in_name, dir, file); #ifdef _WIN32 // Ultra-hack warning: // This changes to the target directory, saves the working directory, // and then changes back to the original working directory. std::string cwd = cmSystemTools::GetCurrentWorkingDirectory(); if(dir != "") { Chdir(dir.c_str()); } std::string newDir = cmSystemTools::GetCurrentWorkingDirectory(); Chdir(cwd.c_str()); cmSystemTools::ConvertToUnixSlashes(newDir); std::string newPath = newDir+"/"+file; return newPath; #else # ifdef MAXPATHLEN char resolved_name[MAXPATHLEN]; # else # ifdef PATH_MAX char resolved_name[PATH_MAX]; # else char resolved_name[5024]; # endif # endif if(dir != "") { realpath(dir.c_str(), resolved_name); dir = resolved_name; } else { dir = cmSystemTools::GetCurrentWorkingDirectory(); } if(file == "") { return dir; } return dir + "/" + file; #endif } bool cmSystemTools::Split(const char* str, std::vector& lines) { std::string data(str); std::string::size_type lpos = 0; while(lpos < data.length()) { std::string::size_type rpos = data.find_first_of("\n", lpos); if(rpos == std::string::npos) { // Line ends at end of string without a newline. lines.push_back(data.substr(lpos)); return false; } if((rpos > lpos) && (data[rpos-1] == '\r')) { // Line ends in a "\r\n" pair, remove both characters. lines.push_back(data.substr(lpos, (rpos-1)-lpos)); } else { // Line ends in a "\n", remove the character. lines.push_back(data.substr(lpos, rpos-lpos)); } lpos = rpos+1; } return true; } /** * Return path of a full filename (no trailing slashes). * Warning: returned path is converted to Unix slashes format. */ std::string cmSystemTools::GetFilenamePath(const std::string& filename) { std::string fn = filename; cmSystemTools::ConvertToUnixSlashes(fn); std::string::size_type slash_pos = fn.rfind("/"); if(slash_pos != std::string::npos) { return fn.substr(0, slash_pos); } else { return ""; } } /** * Return file name of a full filename (i.e. file name without path). */ std::string cmSystemTools::GetFilenameName(const std::string& filename) { std::string fn = filename; cmSystemTools::ConvertToUnixSlashes(fn); std::string::size_type slash_pos = fn.rfind("/"); if(slash_pos != std::string::npos) { return fn.substr(slash_pos + 1); } else { return filename; } } /** * Return file extension of a full filename (dot included). * Warning: this is the longest extension (for example: .tar.gz) */ std::string cmSystemTools::GetFilenameExtension(const std::string& filename) { std::string name = cmSystemTools::GetFilenameName(filename); std::string::size_type dot_pos = name.find("."); if(dot_pos != std::string::npos) { return name.substr(dot_pos); } else { return ""; } } /** * Return file name without extension of a full filename (i.e. without path). * Warning: it considers the longest extension (for example: .tar.gz) */ std::string cmSystemTools::GetFilenameWithoutExtension(const std::string& filename) { std::string name = cmSystemTools::GetFilenameName(filename); std::string::size_type dot_pos = name.find("."); if(dot_pos != std::string::npos) { return name.substr(0, dot_pos); } else { return name; } } /** * Return file name without extension of a full filename (i.e. without path). * Warning: it considers the last extension (for example: removes .gz * from .tar.gz) */ std::string cmSystemTools::GetFilenameWithoutLastExtension(const std::string& filename) { std::string name = cmSystemTools::GetFilenameName(filename); std::string::size_type dot_pos = name.rfind("."); if(dot_pos != std::string::npos) { return name.substr(0, dot_pos); } else { return name; } } bool cmSystemTools::FileIsFullPath(const char* in_name) { std::string name = in_name; #if defined(_WIN32) // On Windows, the name must be at least two characters long. if(name.length() < 2) { return false; } if(name[1] == ':') { return true; } if(name[0] == '\\') { return true; } #else // On UNIX, the name must be at least one character long. if(name.length() < 1) { return false; } #endif // On UNIX, the name must begin in a '/'. // On Windows, if the name begins in a '/', then it is a full // network path. if(name[0] == '/') { return true; } return false; } void cmSystemTools::Glob(const char *directory, const char *regexp, std::vector& files) { cmDirectory d; cmRegularExpression reg(regexp); if (d.Load(directory)) { size_t numf; unsigned int i; numf = d.GetNumberOfFiles(); for (i = 0; i < numf; i++) { std::string fname = d.GetFile(i); if (reg.find(fname)) { files.push_back(fname); } } } } void cmSystemTools::GlobDirs(const char *fullPath, std::vector& files) { std::string path = fullPath; std::string::size_type pos = path.find("/*"); if(pos == std::string::npos) { files.push_back(fullPath); return; } std::string startPath = path.substr(0, pos); std::string finishPath = path.substr(pos+2); cmDirectory d; if (d.Load(startPath.c_str())) { for (unsigned int i = 0; i < d.GetNumberOfFiles(); ++i) { if((std::string(d.GetFile(i)) != ".") && (std::string(d.GetFile(i)) != "..")) { std::string fname = startPath; fname +="/"; fname += d.GetFile(i); if(cmSystemTools::FileIsDirectory(fname.c_str())) { fname += finishPath; cmSystemTools::GlobDirs(fname.c_str(), files); } } } } } void cmSystemTools::ExpandList(std::vector const& arguments, std::vector& newargs) { std::vector::const_iterator i; for(i = arguments.begin();i != arguments.end(); ++i) { cmSystemTools::ExpandListArgument(*i, newargs); } } void cmSystemTools::ExpandListArgument(const std::string& arg, std::vector& newargs) { std::string newarg; // If argument is empty, it is an empty list. if(arg.length() == 0) { return; } // if there are no ; in the name then just copy the current string if(arg.find(';') == std::string::npos) { newargs.push_back(arg); } else { std::string::size_type start = 0; std::string::size_type endpos = 0; const std::string::size_type size = arg.size(); // break up ; separated sections of the string into separate strings while(endpos != size) { endpos = arg.find(';', start); if(endpos == std::string::npos) { endpos = arg.size(); } else { // skip right over escaped ; ( \; ) while((endpos != std::string::npos) && (endpos > 0) && ((arg)[endpos-1] == '\\') ) { endpos = arg.find(';', endpos+1); } if(endpos == std::string::npos) { endpos = arg.size(); } } std::string::size_type len = endpos - start; if (len > 0) { // check for a closing ] after the start position if(arg.find('[', start) == std::string::npos) { // if there is no [ in the string then keep it newarg = arg.substr(start, len); } else { int opencount = 0; int closecount = 0; for(std::string::size_type j = start; j < endpos; ++j) { if(arg.at(j) == '[') { ++opencount; } else if (arg.at(j) == ']') { ++closecount; } } if(opencount != closecount) { // skip this one endpos = arg.find(';', endpos+1); if(endpos == std::string::npos) { endpos = arg.size(); } len = endpos - start; } newarg = arg.substr(start, len); } std::string::size_type pos = newarg.find("\\;"); if(pos != std::string::npos) { newarg.erase(pos, 1); } newargs.push_back(newarg); } start = endpos+1; } } } bool cmSystemTools::GetShortPath(const char* path, std::string& shortPath) { #if defined(WIN32) && !defined(__CYGWIN__) const int size = int(strlen(path)) +1; // size of return char *buffer = new char[size]; // create a buffer char *tempPath = new char[size]; // create a buffer int ret; // if the path passed in has quotes around it, first remove the quotes if (path[0] == '"' && path[strlen(path)-1] == '"') { strcpy(tempPath,path+1); tempPath[strlen(tempPath)-1] = '\0'; } else { strcpy(tempPath,path); } buffer[0] = 0; ret = GetShortPathName(tempPath, buffer, size); if(buffer[0] == 0 || ret > size) { if(ret < size) { LPVOID lpMsgBuf; FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language (LPTSTR) &lpMsgBuf, 0, NULL ); cmSystemTools::Error((LPCTSTR)lpMsgBuf); LocalFree( lpMsgBuf ); } cmSystemTools::Error("Unable to get a short path: ", path); delete [] tempPath; return false; } else { shortPath = buffer; delete [] buffer; delete [] tempPath; return true; } #else shortPath = path; return true; #endif } bool cmSystemTools::SimpleGlob(const std::string& glob, std::vector& files, int type /* = 0 */) { files.clear(); if ( glob[glob.size()-1] != '*' ) { return false; } std::string path = cmSystemTools::GetFilenamePath(glob); std::string ppath = cmSystemTools::GetFilenameName(glob); ppath = ppath.substr(0, ppath.size()-1); if ( path.size() == 0 ) { path = "/"; } bool res = false; cmDirectory d; if (d.Load(path.c_str())) { for (unsigned int i = 0; i < d.GetNumberOfFiles(); ++i) { if((std::string(d.GetFile(i)) != ".") && (std::string(d.GetFile(i)) != "..")) { std::string fname = path; if ( path[path.size()-1] != '/' ) { fname +="/"; } fname += d.GetFile(i); std::string sfname = d.GetFile(i); if ( type > 0 && cmSystemTools::FileIsDirectory(fname.c_str()) ) { continue; } if ( type < 0 && !cmSystemTools::FileIsDirectory(fname.c_str()) ) { continue; } if ( sfname.size() >= ppath.size() && sfname.substr(0, ppath.size()) == ppath ) { files.push_back(fname); res = true; } } } } return res; } cmSystemTools::FileFormat cmSystemTools::GetFileFormat(const char* cext) { if ( ! cext || *cext == 0 ) { return cmSystemTools::NO_FILE_FORMAT; } std::string ext = cmSystemTools::LowerCase(cext); if ( ext == "c" || ext == ".c" ) { return cmSystemTools::C_FILE_FORMAT; } if ( ext == "cxx" || ext == ".cxx" || ext == "cpp" || ext == ".cpp" || ext == "c++" || ext == ".c++" || ext == "mm" || ext == ".mm" || ext == "cc" || ext == ".cc" ) { return cmSystemTools::CXX_FILE_FORMAT; } if ( ext == "java" || ext == ".java" ) { return cmSystemTools::JAVA_FILE_FORMAT; } if ( ext == "h" || ext == ".h" || ext == "hpp" || ext == ".hpp" || ext == "h++" || ext == ".h++" || ext == "hxx" || ext == ".hxx" ) { return cmSystemTools::HEADER_FILE_FORMAT; } if ( ext == "rc" || ext == ".rc" ) { return cmSystemTools::RESOURCE_FILE_FORMAT; } if ( ext == "def" || ext == ".def" ) { return cmSystemTools::DEFINITION_FILE_FORMAT; } if ( ext == "lib" || ext == ".lib" || ext == "a" || ext == ".a") { return cmSystemTools::STATIC_LIBRARY_FILE_FORMAT; } if ( ext == "o" || ext == ".o" || ext == "obj" || ext == ".obj") { return cmSystemTools::OBJECT_FILE_FORMAT; } #ifdef __APPLE__ if ( ext == "dylib" || ext == ".dylib" ) { return cmSystemTools::SHARED_LIBRARY_FILE_FORMAT; } if ( ext == "so" || ext == ".so" || ext == "bundle" || ext == ".bundle" ) { return cmSystemTools::MODULE_FILE_FORMAT; } #else // __APPLE__ if ( ext == "so" || ext == ".so" || ext == "sl" || ext == ".sl" || ext == "dll" || ext == ".dll" ) { return cmSystemTools::SHARED_LIBRARY_FILE_FORMAT; } #endif // __APPLE__ return cmSystemTools::UNKNOWN_FILE_FORMAT; } void cmSystemTools::SplitProgramFromArgs(const char* path, std::string& program, std::string& args) { if(cmSystemTools::FileExists(path)) { program = path; args = ""; return; } std::vector e; std::string findProg = cmSystemTools::FindProgram(path, e); if(findProg.size()) { program = findProg; args = ""; return; } std::string dir = path; std::string::size_type spacePos = dir.rfind(' '); if(spacePos == std::string::npos) { program = ""; args = ""; return; } while(spacePos != std::string::npos) { std::string tryProg = dir.substr(0, spacePos); if(cmSystemTools::FileExists(tryProg.c_str())) { program = tryProg; args = dir.substr(spacePos, dir.size()-spacePos); return; } findProg = cmSystemTools::FindProgram(tryProg.c_str(), e); if(findProg.size()) { program = findProg; args = dir.substr(spacePos, dir.size()-spacePos); return; } spacePos = dir.rfind(' ', spacePos--); } program = ""; args = ""; } #if defined(_MSC_VER) && defined(_DEBUG) # include # include # include static int cmSystemToolsDebugReport(int, char* message, int*) { fprintf(stderr, message); exit(1); return 0; } void cmSystemTools::EnableMSVCDebugHook() { if(getenv("DART_TEST_FROM_DART")) { _CrtSetReportHook(cmSystemToolsDebugReport); } } #else void cmSystemTools::EnableMSVCDebugHook() { } #endif