Mercurial > irccd
view common/filesystem.cpp @ 282:c234b8db1816 release-2.0
Plugin auth: fix error with quakenet, closes #506
author | David Demelier <markand@malikania.fr> |
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date | Tue, 01 Nov 2016 13:10:20 +0100 |
parents | 03068f5ed79d |
children |
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/* * filesystem.cpp -- some file system operation * * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <cerrno> #include <cstdio> #include <cstdlib> #include <cstring> #include <stdexcept> #include <sstream> #include <irccd-config.h> #if defined(IRCCD_SYSTEM_WINDOWS) # include <direct.h> # include <shlwapi.h> #else # include <sys/stat.h> # include <climits> # include <unistd.h> # include <libgen.h> #endif #include "filesystem.h" namespace irccd { namespace fs { #if defined(IRCCD_SYSTEM_WINDOWS) const char Separator('\\'); #else const char Separator('/'); #endif std::string baseName(std::string path) { #if defined(IRCCD_SYSTEM_WINDOWS) std::size_t pos; pos = path.find_last_of('\\'); if (pos == std::string::npos) pos = path.find_last_of('/'); if (pos == std::string::npos) return path; return path.substr(pos + 1); #else return basename(&path[0]); #endif } std::string dirName(std::string path) { #if defined(IRCCD_SYSTEM_WINDOWS) std::size_t pos; pos = path.find_last_of('\\'); if (pos == std::string::npos) pos = path.find_last_of('/'); if (pos == std::string::npos) return path; return path.substr(0, pos); #else return dirname(&path[0]); #endif } bool isAbsolute(const std::string &path) noexcept { #if defined(IRCCD_SYSTEM_WINDOWS) return !isRelative(path); #else return path.size() > 0 && path[0] == '/'; #endif } bool isRelative(const std::string &path) noexcept { #if defined(IRCCD_SYSTEM_WINDOWS) return PathIsRelativeA(path.c_str()); #else return !isAbsolute(path); #endif } bool exists(const std::string &path) { #if defined(HAVE_ACCESS) return access(path.c_str(), F_OK) == 0; #elif defined(HAVE_STAT) struct stat st; return (stat(path.c_str(), &st) == 0); #else // worse fallback std::FILE *file = std::fopen(path.c_str(), "r"); bool result; if (file != nullptr) { result = true; std::fclose(file); } else { result = false; } return result; #endif } void mkdir(const std::string &dir, int mode) { std::ostringstream oss; oss << "mkdir: "; for (std::size_t i = 0; i < dir.length(); ++i) { if (dir[i] != '/' && dir[i] != '\\') continue; std::string part = dir.substr(0, i); if (part.length() <= 0 || exists(part)) continue; #if defined(IRCCD_SYSTEM_WINDOWS) if (::_mkdir(part.c_str()) < 0) { #else if (::mkdir(part.c_str(), mode) < 0) { #endif oss << part << ": " << std::strerror(errno); throw std::runtime_error(oss.str()); } } // Last part #if defined(IRCCD_SYSTEM_WINDOWS) if (::_mkdir(dir.c_str()) < 0) { #else if (::mkdir(dir.c_str(), mode) < 0) { #endif oss << dir << ": " << std::strerror(errno); throw std::runtime_error(oss.str()); } #if defined(IRCCD_SYSTEM_WINDOWS) // Windows's mkdir does not use mode. (void)mode; #endif } std::string cwd() { #if defined(IRCCD_SYSTEM_WINDOWS) char path[MAX_PATH]; if (!GetCurrentDirectoryA(sizeof (path), path)) throw std::runtime_error("failed to get current working directory"); return path; #else char path[PATH_MAX]; if (getcwd(path, sizeof (path)) == nullptr) throw std::runtime_error(std::strerror(errno)); return path; #endif } } // !fs } // !irccd