diff options
Diffstat (limited to 'wasserstein/include/spdlog/fmt/bundled/posix.cc')
-rw-r--r-- | wasserstein/include/spdlog/fmt/bundled/posix.cc | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/wasserstein/include/spdlog/fmt/bundled/posix.cc b/wasserstein/include/spdlog/fmt/bundled/posix.cc deleted file mode 100644 index 76eb7f0..0000000 --- a/wasserstein/include/spdlog/fmt/bundled/posix.cc +++ /dev/null @@ -1,238 +0,0 @@ -/* - A C++ interface to POSIX functions. - - Copyright (c) 2012 - 2016, Victor Zverovich - All rights reserved. - - For the license information refer to format.h. - */ - -// Disable bogus MSVC warnings. -#ifndef _CRT_SECURE_NO_WARNINGS -# define _CRT_SECURE_NO_WARNINGS -#endif - -#include "posix.h" - -#include <limits.h> -#include <sys/types.h> -#include <sys/stat.h> - -#ifndef _WIN32 -# include <unistd.h> -#else -# include <windows.h> -# include <io.h> - -# define O_CREAT _O_CREAT -# define O_TRUNC _O_TRUNC - -# ifndef S_IRUSR -# define S_IRUSR _S_IREAD -# endif - -# ifndef S_IWUSR -# define S_IWUSR _S_IWRITE -# endif - -# ifdef __MINGW32__ -# define _SH_DENYNO 0x40 -# endif - -#endif // _WIN32 - -#ifdef fileno -# undef fileno -#endif - -namespace { -#ifdef _WIN32 -// Return type of read and write functions. -typedef int RWResult; - -// On Windows the count argument to read and write is unsigned, so convert -// it from size_t preventing integer overflow. -inline unsigned convert_rwcount(std::size_t count) { - return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX; -} -#else -// Return type of read and write functions. -typedef ssize_t RWResult; - -inline std::size_t convert_rwcount(std::size_t count) { return count; } -#endif -} - -fmt::BufferedFile::~BufferedFile() FMT_NOEXCEPT { - if (file_ && FMT_SYSTEM(fclose(file_)) != 0) - fmt::report_system_error(errno, "cannot close file"); -} - -fmt::BufferedFile::BufferedFile( - fmt::CStringRef filename, fmt::CStringRef mode) { - FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())), 0); - if (!file_) - FMT_THROW(SystemError(errno, "cannot open file {}", filename)); -} - -void fmt::BufferedFile::close() { - if (!file_) - return; - int result = FMT_SYSTEM(fclose(file_)); - file_ = 0; - if (result != 0) - FMT_THROW(SystemError(errno, "cannot close file")); -} - -// A macro used to prevent expansion of fileno on broken versions of MinGW. -#define FMT_ARGS - -int fmt::BufferedFile::fileno() const { - int fd = FMT_POSIX_CALL(fileno FMT_ARGS(file_)); - if (fd == -1) - FMT_THROW(SystemError(errno, "cannot get file descriptor")); - return fd; -} - -fmt::File::File(fmt::CStringRef path, int oflag) { - int mode = S_IRUSR | S_IWUSR; -#if defined(_WIN32) && !defined(__MINGW32__) - fd_ = -1; - FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode)); -#else - FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode))); -#endif - if (fd_ == -1) - FMT_THROW(SystemError(errno, "cannot open file {}", path)); -} - -fmt::File::~File() FMT_NOEXCEPT { - // Don't retry close in case of EINTR! - // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html - if (fd_ != -1 && FMT_POSIX_CALL(close(fd_)) != 0) - fmt::report_system_error(errno, "cannot close file"); -} - -void fmt::File::close() { - if (fd_ == -1) - return; - // Don't retry close in case of EINTR! - // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html - int result = FMT_POSIX_CALL(close(fd_)); - fd_ = -1; - if (result != 0) - FMT_THROW(SystemError(errno, "cannot close file")); -} - -fmt::LongLong fmt::File::size() const { -#ifdef _WIN32 - // Use GetFileSize instead of GetFileSizeEx for the case when _WIN32_WINNT - // is less than 0x0500 as is the case with some default MinGW builds. - // Both functions support large file sizes. - DWORD size_upper = 0; - HANDLE handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd_)); - DWORD size_lower = FMT_SYSTEM(GetFileSize(handle, &size_upper)); - if (size_lower == INVALID_FILE_SIZE) { - DWORD error = GetLastError(); - if (error != NO_ERROR) - FMT_THROW(WindowsError(GetLastError(), "cannot get file size")); - } - fmt::ULongLong long_size = size_upper; - return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower; -#else - typedef struct stat Stat; - Stat file_stat = Stat(); - if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1) - FMT_THROW(SystemError(errno, "cannot get file attributes")); - FMT_STATIC_ASSERT(sizeof(fmt::LongLong) >= sizeof(file_stat.st_size), - "return type of File::size is not large enough"); - return file_stat.st_size; -#endif -} - -std::size_t fmt::File::read(void *buffer, std::size_t count) { - RWResult result = 0; - FMT_RETRY(result, FMT_POSIX_CALL(read(fd_, buffer, convert_rwcount(count)))); - if (result < 0) - FMT_THROW(SystemError(errno, "cannot read from file")); - return internal::to_unsigned(result); -} - -std::size_t fmt::File::write(const void *buffer, std::size_t count) { - RWResult result = 0; - FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count)))); - if (result < 0) - FMT_THROW(SystemError(errno, "cannot write to file")); - return internal::to_unsigned(result); -} - -fmt::File fmt::File::dup(int fd) { - // Don't retry as dup doesn't return EINTR. - // http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html - int new_fd = FMT_POSIX_CALL(dup(fd)); - if (new_fd == -1) - FMT_THROW(SystemError(errno, "cannot duplicate file descriptor {}", fd)); - return File(new_fd); -} - -void fmt::File::dup2(int fd) { - int result = 0; - FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd))); - if (result == -1) { - FMT_THROW(SystemError(errno, - "cannot duplicate file descriptor {} to {}", fd_, fd)); - } -} - -void fmt::File::dup2(int fd, ErrorCode &ec) FMT_NOEXCEPT { - int result = 0; - FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd))); - if (result == -1) - ec = ErrorCode(errno); -} - -void fmt::File::pipe(File &read_end, File &write_end) { - // Close the descriptors first to make sure that assignments don't throw - // and there are no leaks. - read_end.close(); - write_end.close(); - int fds[2] = {}; -#ifdef _WIN32 - // Make the default pipe capacity same as on Linux 2.6.11+. - enum { DEFAULT_CAPACITY = 65536 }; - int result = FMT_POSIX_CALL(pipe(fds, DEFAULT_CAPACITY, _O_BINARY)); -#else - // Don't retry as the pipe function doesn't return EINTR. - // http://pubs.opengroup.org/onlinepubs/009696799/functions/pipe.html - int result = FMT_POSIX_CALL(pipe(fds)); -#endif - if (result != 0) - FMT_THROW(SystemError(errno, "cannot create pipe")); - // The following assignments don't throw because read_fd and write_fd - // are closed. - read_end = File(fds[0]); - write_end = File(fds[1]); -} - -fmt::BufferedFile fmt::File::fdopen(const char *mode) { - // Don't retry as fdopen doesn't return EINTR. - FILE *f = FMT_POSIX_CALL(fdopen(fd_, mode)); - if (!f) - FMT_THROW(SystemError(errno, "cannot associate stream with file descriptor")); - BufferedFile file(f); - fd_ = -1; - return file; -} - -long fmt::getpagesize() { -#ifdef _WIN32 - SYSTEM_INFO si; - GetSystemInfo(&si); - return si.dwPageSize; -#else - long size = FMT_POSIX_CALL(sysconf(_SC_PAGESIZE)); - if (size < 0) - FMT_THROW(SystemError(errno, "cannot get memory page size")); - return size; -#endif -} |