122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/*
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* s3fs - FUSE-based file system backed by Amazon S3
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*
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* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef S3FS_S3FS_UTIL_H_
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#define S3FS_S3FS_UTIL_H_
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#include <functional>
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME 0
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#endif
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC CLOCK_REALTIME
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#endif
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#ifndef CLOCK_MONOTONIC_COARSE
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#define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC
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#endif
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//-------------------------------------------------------------------
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// Functions
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//-------------------------------------------------------------------
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std::string get_realpath(const char *path);
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void init_sysconf_vars();
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std::string get_username(uid_t uid);
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int is_uid_include_group(uid_t uid, gid_t gid);
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bool init_basename_lock();
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bool destroy_basename_lock();
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std::string mydirname(const char* path);
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std::string mydirname(const std::string& path);
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std::string mybasename(const char* path);
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std::string mybasename(const std::string& path);
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int mkdirp(const std::string& path, mode_t mode);
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std::string get_exist_directory_path(const std::string& path);
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bool check_exist_dir_permission(const char* dirpath);
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bool delete_files_in_dir(const char* dir, bool is_remove_own);
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bool compare_sysname(const char* target);
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void print_launch_message(int argc, char** argv);
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//
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// Utility for nanosecond time(timespec)
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//
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enum class stat_time_type{
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ATIME,
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MTIME,
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CTIME
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};
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//-------------------------------------------------------------------
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// Utility for nanosecond time(timespec)
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//-------------------------------------------------------------------
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static constexpr struct timespec S3FS_OMIT_TS = {0, UTIME_OMIT};
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int compare_timespec(const struct timespec& ts1, const struct timespec& ts2);
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int compare_timespec(const struct stat& st, stat_time_type type, const struct timespec& ts);
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void set_timespec_to_stat(struct stat& st, stat_time_type type, const struct timespec& ts);
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struct timespec* set_stat_to_timespec(const struct stat& st, stat_time_type type, struct timespec& ts);
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std::string str_stat_time(const struct stat& st, stat_time_type type);
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struct timespec* s3fs_realtime(struct timespec& ts);
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std::string s3fs_str_realtime();
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// Wrap fclose since it is illegal to take the address of a stdlib function
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int s3fs_fclose(FILE* fp);
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class scope_guard {
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public:
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template<class Callable>
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explicit scope_guard(Callable&& undo_func)
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: func(std::forward<Callable>(undo_func))
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{}
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~scope_guard() {
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if(func != nullptr) {
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func();
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}
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}
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void dismiss() {
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func = nullptr;
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}
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scope_guard(const scope_guard&) = delete;
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scope_guard(scope_guard&& other) = delete;
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scope_guard& operator=(const scope_guard&) = delete;
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scope_guard& operator=(scope_guard&&) = delete;
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private:
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std::function<void()> func;
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};
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#endif // S3FS_S3FS_UTIL_H_
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: expandtab sw=4 ts=4 fdm=marker
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* vim<600: expandtab sw=4 ts=4
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*/
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