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File: [Pegasus] / pegasus / src / utils / mu / FilesUnix.cpp
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Revision: 1.3, Mon Jul 16 21:28:08 2001 UTC (22 years, 11 months ago) by mike Branch: MAIN CVS Tags: version_1_01, version_0_99_1, version_0_99, test, pep_88, merge_of_dev, mday-merge-start, mday-merge-pegasus/src/Pegasus/Server, mday-merge-pegasus/src/Pegasus/Common, mday-2-0-patches, main, dev_dead, dev, async_dispatcher, VERSION_2_1_RELEASE_HEAD, VERSION_2_1_RELEASE_BRANCH, VERSION_2_1_RELEASE, VERSION_2_1_1_RELEASE, VERSION_2_01_01, VERSION_2_00_RC_4, VERSION_2_00_RC_3, VERSION_2_00_RC_2, VERSION_2_00_RC_1, VERSION_2_00_BRANCH, VERSION_1_10, VERSION_1_09, VERSION_1_08, VERSION_1_07, TEST, SNAPSHOT_1_04, RELEASE_2_3_0-msg-freeze, RELEASE_2_2_1-snapshot, RELEASE_2_2_0_0-release, RELEASE_2_2_0-root, RELEASE_2_2_0-branch, RELEASE_2_2-root, PRE_LICENSE_UPDATE_2003, PEGASUS_FC_VERSION_2_2, LOCAL_ASSOCPROV-ROOT, LOCAL_ASSOCPROV-BRANCH Changes since 1.2: +1 -1 lines Ported to TRU64 (Native Compiler) Fixed asundry compiler warnings. |
//%============================================================================= // // Copyright (c) 2000 The Open Group, BMC Software, Tivoli Systems, IBM // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // //------------------------------------------------------------------------------ // // Author: Michael E. Brasher // //%============================================================================= #include <iostream> #include <fstream> #include <cstdio> #include "Config.h" #include <unistd.h> #include <sys/types.h> #include <sys/stat.h> #include <utime.h> #include <dirent.h> #include <fcntl.h> #include "Files.h" bool GetCwd(string& path) { char tmp[4096]; getcwd(tmp, sizeof(tmp)); path = tmp; return true; } bool ChangeDir(const string& path) { return chdir(path.c_str()) == 0; } bool RemoveDir(const string& path) { return rmdir(path.c_str()) == 0; } bool RemoveFile(const string& path) { return unlink(path.c_str()) == 0; } bool MakeDir(const string& path) { return mkdir(path.c_str(), 0777) == 0; } bool GetDirEntries(const string& path, vector<string>& filenames) { filenames.erase(filenames.begin(), filenames.end()); DIR* dir = opendir(path.c_str()); if (!dir) return false; for (dirent* entry = readdir(dir); entry; entry = readdir(dir)) { string name = entry->d_name; if (name != "." && name != "..") filenames.push_back(name); } closedir(dir); return true; } bool TouchFile(const string& path) { if (IsDir(path)) return false; // Get file-size: struct stat sbuf; // If file does not exist: if (stat(path.c_str(), &sbuf) != 0) { int fd = open(path.c_str(), O_WRONLY | O_CREAT, 0666); if (fd < 0) return false; close(fd); return true; } // File does exist: size_t size = sbuf.st_size; if (size == 0) { // Open file: int fd = open(path.c_str(), O_RDWR, 0666); if (fd < 0) return false; char c = '\0'; // Write one byte: if (write(fd, &c, sizeof(char)) != 1) return false; // Truncate back to zero size: if (ftruncate(fd, size) < 0) return false; // Close the file: close(fd); return true; } else { // Open the file: int fd = open(path.c_str(), O_RDWR, 0666); if (fd < 0) return false; // Read first character, rewind, then rewrite it: char c; if (read(fd, &c, sizeof(char)) != 1) return false; if (lseek(fd, 0, SEEK_SET) < 0) return false; if (write(fd, &c, sizeof(char)) != 1) return false; // Truncate file to force mod of times: if (ftruncate(fd, size) < 0) return false; close(fd); } return true; } bool GetFileSize(const string& path, size_t& size) { struct stat st; if (stat(path.c_str(), &st) != 0) return false; size = (size_t)(st.st_size); return true; } bool Exists(const string& path) { return access(path.c_str(), F_OK) == 0; } bool Readable(const string& path) { return access(path.c_str(), R_OK) == 0; } bool Writable(const string& path) { return access(path.c_str(), W_OK) == 0; } bool IsDir(const string& path) { struct stat st; return stat(path.c_str(), &st) == 0 && S_ISDIR(st.st_mode); }
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