mirror of https://github.com/odrling/Aegisub
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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/// @file util.cpp
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/// @brief Unix utility methods.
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/// @ingroup libaegisub unix
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#include "config.h"
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#include "libaegisub/util.h"
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#include "libaegisub/access.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/statvfs.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#include <string>
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#include <fstream>
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#include <string.h>
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namespace agi {
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namespace util {
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const std::string DirName(const std::string& path) {
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if (path.find('/') == std::string::npos) {
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return ".";
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}
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return path.substr(0, path.rfind("/")+1);
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}
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void Rename(const std::string& from, const std::string& to) {
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acs::CheckFileWrite(from);
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try {
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acs::CheckFileWrite(to);
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} catch (FileNotFoundError const&) {
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acs::CheckDirWrite(DirName(to));
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}
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rename(from.c_str(), to.c_str());
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}
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void Remove(std::string const& path) {
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if (!remove(path.c_str()) && errno != ENOENT)
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throw agi::FileNotAccessibleError("Can not remove file: " + path);
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}
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void time_log(timeval &tv) {
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gettimeofday(&tv, (struct timezone *)NULL);
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}
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uint64_t freespace(std::string const& path, PathType type) {
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struct statvfs fs;
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std::string check(path);
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if (type == TypeFile)
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check.assign(DirName(path));
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acs::CheckDirRead(check);
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if ((statvfs(check.c_str(), &fs)) == 0) {
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return (uint64_t)fs.f_bsize * fs.f_bavail;
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} else {
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/// @todo We need a collective set of exceptions for ENOTDIR, EIO etc.
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throw("Failed getting free space");
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}
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}
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} // namespace io
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} // namespace agi
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