mirror of
https://github.com/shadps4-emu/ext-fmt.git
synced 2024-11-27 03:30:32 +00:00
posix.cc -> os.cc
This commit is contained in:
Victor Zverovich
parent
35959a31d7
commit
da2569827e
@ -152,7 +152,7 @@ endfunction()
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# Define the fmt library, its includes and the needed defines.
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add_headers(FMT_HEADERS chrono.h color.h compile.h core.h format.h format-inl.h
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locale.h os.h ostream.h posix.h printf.h ranges.h)
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set(FMT_SOURCES src/format.cc src/posix.cc)
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set(FMT_SOURCES src/format.cc src/os.cc)
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add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst)
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add_library(fmt::fmt ALIAS fmt)
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311
include/fmt/os.h
311
include/fmt/os.h
@ -5,13 +5,133 @@
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//
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// For the license information refer to format.h.
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#ifndef FMT_OS_H_
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#define FMT_OS_H_
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#ifndef FMT_POSIX_H_
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#define FMT_POSIX_H_
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#if defined(__MINGW32__) || defined(__CYGWIN__)
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// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
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# undef __STRICT_ANSI__
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#endif
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#include <cerrno>
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#include <clocale> // for locale_t
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#include <cstdio>
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#include <cstdlib> // for strtod_l
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#include <cstddef>
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#if defined __APPLE__ || defined(__FreeBSD__)
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# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
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#endif
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#include "format.h"
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// UWP doesn't provide _pipe.
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#if FMT_HAS_INCLUDE("winapifamily.h")
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# include <winapifamily.h>
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#endif
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#if FMT_HAS_INCLUDE("fcntl.h") && \
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(!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
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# include <fcntl.h> // for O_RDONLY
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# define FMT_USE_FCNTL 1
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#else
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# define FMT_USE_FCNTL 0
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#endif
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#ifndef FMT_POSIX
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# if defined(_WIN32) && !defined(__MINGW32__)
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// Fix warnings about deprecated symbols.
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# define FMT_POSIX(call) _##call
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# else
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# define FMT_POSIX(call) call
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# endif
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#endif
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// Calls to system functions are wrapped in FMT_SYSTEM for testability.
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#ifdef FMT_SYSTEM
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# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
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#else
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# define FMT_SYSTEM(call) call
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# ifdef _WIN32
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// Fix warnings about deprecated symbols.
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# define FMT_POSIX_CALL(call) ::_##call
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# else
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# define FMT_POSIX_CALL(call) ::call
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# endif
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#endif
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// Retries the expression while it evaluates to error_result and errno
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// equals to EINTR.
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#ifndef _WIN32
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# define FMT_RETRY_VAL(result, expression, error_result) \
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do { \
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(result) = (expression); \
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} while ((result) == (error_result) && errno == EINTR)
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#else
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# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
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#endif
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#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
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FMT_BEGIN_NAMESPACE
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/**
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\rst
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A reference to a null-terminated string. It can be constructed from a C
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string or ``std::string``.
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You can use one of the following type aliases for common character types:
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+---------------+-----------------------------+
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| Type | Definition |
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+===============+=============================+
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| cstring_view | basic_cstring_view<char> |
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+---------------+-----------------------------+
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| wcstring_view | basic_cstring_view<wchar_t> |
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+---------------+-----------------------------+
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This class is most useful as a parameter type to allow passing
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different types of strings to a function, for example::
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template <typename... Args>
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std::string format(cstring_view format_str, const Args & ... args);
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format("{}", 42);
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format(std::string("{}"), 42);
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\endrst
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*/
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template <typename Char> class basic_cstring_view {
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private:
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const Char* data_;
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public:
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/** Constructs a string reference object from a C string. */
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basic_cstring_view(const Char* s) : data_(s) {}
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/**
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\rst
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Constructs a string reference from an ``std::string`` object.
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\endrst
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*/
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basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
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/** Returns the pointer to a C string. */
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const Char* c_str() const { return data_; }
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};
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using cstring_view = basic_cstring_view<char>;
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using wcstring_view = basic_cstring_view<wchar_t>;
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// An error code.
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class error_code {
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private:
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int value_;
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public:
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explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
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int get() const FMT_NOEXCEPT { return value_; }
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};
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// Define FMT_USE_WINDOWS_H to 0 to disable use of windows.h.
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// All the functionality that relies on it will be disabled too.
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#ifndef _WIN32
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@ -42,7 +162,7 @@ class utf16_to_utf8 {
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FMT_API int convert(wstring_view s);
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};
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FMT_API void format_windows_error(internal::buffer<char>& out, int error_code,
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FMT_API void format_windows_error(buffer<char>& out, int error_code,
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string_view message) FMT_NOEXCEPT;
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} // namespace internal
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@ -92,6 +212,189 @@ FMT_API void report_windows_error(int error_code,
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string_view message) FMT_NOEXCEPT;
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#endif
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// A buffered file.
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class buffered_file {
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private:
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FILE* file_;
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friend class file;
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explicit buffered_file(FILE* f) : file_(f) {}
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public:
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buffered_file(const buffered_file&) = delete;
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void operator=(const buffered_file&) = delete;
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// Constructs a buffered_file object which doesn't represent any file.
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buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
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// Destroys the object closing the file it represents if any.
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FMT_API ~buffered_file() FMT_NOEXCEPT;
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public:
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buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
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other.file_ = nullptr;
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}
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buffered_file& operator=(buffered_file&& other) {
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close();
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file_ = other.file_;
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other.file_ = nullptr;
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return *this;
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}
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// Opens a file.
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FMT_API buffered_file(cstring_view filename, cstring_view mode);
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// Closes the file.
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FMT_API void close();
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// Returns the pointer to a FILE object representing this file.
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FILE* get() const FMT_NOEXCEPT { return file_; }
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// We place parentheses around fileno to workaround a bug in some versions
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// of MinGW that define fileno as a macro.
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FMT_API int(fileno)() const;
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void vprint(string_view format_str, format_args args) {
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fmt::vprint(file_, format_str, args);
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}
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template <typename... Args>
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inline void print(string_view format_str, const Args&... args) {
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vprint(format_str, make_format_args(args...));
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}
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};
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#if FMT_USE_FCNTL
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// A file. Closed file is represented by a file object with descriptor -1.
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// Methods that are not declared with FMT_NOEXCEPT may throw
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// fmt::system_error in case of failure. Note that some errors such as
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// closing the file multiple times will cause a crash on Windows rather
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// than an exception. You can get standard behavior by overriding the
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// invalid parameter handler with _set_invalid_parameter_handler.
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class file {
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private:
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int fd_; // File descriptor.
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// Constructs a file object with a given descriptor.
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explicit file(int fd) : fd_(fd) {}
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public:
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// Possible values for the oflag argument to the constructor.
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enum {
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RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
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WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
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RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
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};
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// Constructs a file object which doesn't represent any file.
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file() FMT_NOEXCEPT : fd_(-1) {}
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// Opens a file and constructs a file object representing this file.
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FMT_API file(cstring_view path, int oflag);
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public:
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file(const file&) = delete;
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void operator=(const file&) = delete;
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file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
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file& operator=(file&& other) FMT_NOEXCEPT {
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close();
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fd_ = other.fd_;
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other.fd_ = -1;
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return *this;
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}
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// Destroys the object closing the file it represents if any.
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FMT_API ~file() FMT_NOEXCEPT;
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// Returns the file descriptor.
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int descriptor() const FMT_NOEXCEPT { return fd_; }
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// Closes the file.
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FMT_API void close();
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// Returns the file size. The size has signed type for consistency with
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// stat::st_size.
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FMT_API long long size() const;
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// Attempts to read count bytes from the file into the specified buffer.
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FMT_API std::size_t read(void* buffer, std::size_t count);
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// Attempts to write count bytes from the specified buffer to the file.
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FMT_API std::size_t write(const void* buffer, std::size_t count);
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// Duplicates a file descriptor with the dup function and returns
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// the duplicate as a file object.
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FMT_API static file dup(int fd);
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// Makes fd be the copy of this file descriptor, closing fd first if
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// necessary.
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FMT_API void dup2(int fd);
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// Makes fd be the copy of this file descriptor, closing fd first if
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// necessary.
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FMT_API void dup2(int fd, error_code& ec) FMT_NOEXCEPT;
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// Creates a pipe setting up read_end and write_end file objects for reading
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// and writing respectively.
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FMT_API static void pipe(file& read_end, file& write_end);
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// Creates a buffered_file object associated with this file and detaches
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// this file object from the file.
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FMT_API buffered_file fdopen(const char* mode);
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};
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// Returns the memory page size.
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long getpagesize();
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#endif // FMT_USE_FCNTL
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#ifdef FMT_LOCALE
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// A "C" numeric locale.
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class Locale {
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private:
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# ifdef _WIN32
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using locale_t = _locale_t;
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enum { LC_NUMERIC_MASK = LC_NUMERIC };
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static locale_t newlocale(int category_mask, const char* locale, locale_t) {
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return _create_locale(category_mask, locale);
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}
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static void freelocale(locale_t locale) { _free_locale(locale); }
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||||
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static double strtod_l(const char* nptr, char** endptr, _locale_t locale) {
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return _strtod_l(nptr, endptr, locale);
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}
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# endif
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locale_t locale_;
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public:
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using type = locale_t;
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Locale(const Locale&) = delete;
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void operator=(const Locale&) = delete;
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Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr)) {
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if (!locale_) FMT_THROW(system_error(errno, "cannot create locale"));
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}
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~Locale() { freelocale(locale_); }
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type get() const { return locale_; }
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// Converts string to floating-point number and advances str past the end
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// of the parsed input.
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||||
double strtod(const char*& str) const {
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||||
char* end = nullptr;
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||||
double result = strtod_l(str, &end, locale_);
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str = end;
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return result;
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}
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};
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#endif // FMT_LOCALE
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FMT_END_NAMESPACE
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#endif // FMT_OS_H_
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#endif // FMT_POSIX_H_
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@ -1,321 +1 @@
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// A C++ interface to POSIX functions.
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||||
//
|
||||
// Copyright (c) 2012 - 2016, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_POSIX_H_
|
||||
#define FMT_POSIX_H_
|
||||
|
||||
#if defined(__MINGW32__) || defined(__CYGWIN__)
|
||||
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
|
||||
# undef __STRICT_ANSI__
|
||||
#endif
|
||||
|
||||
#include <cerrno>
|
||||
#include <clocale> // for locale_t
|
||||
#include <cstdio>
|
||||
#include <cstdlib> // for strtod_l
|
||||
|
||||
#include <cstddef>
|
||||
|
||||
#if defined __APPLE__ || defined(__FreeBSD__)
|
||||
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
|
||||
#endif
|
||||
|
||||
#include "format.h"
|
||||
|
||||
// UWP doesn't provide _pipe.
|
||||
#if FMT_HAS_INCLUDE("winapifamily.h")
|
||||
# include <winapifamily.h>
|
||||
#endif
|
||||
#if FMT_HAS_INCLUDE("fcntl.h") && \
|
||||
(!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
|
||||
# include <fcntl.h> // for O_RDONLY
|
||||
# define FMT_USE_FCNTL 1
|
||||
#else
|
||||
# define FMT_USE_FCNTL 0
|
||||
#endif
|
||||
|
||||
#ifndef FMT_POSIX
|
||||
# if defined(_WIN32) && !defined(__MINGW32__)
|
||||
// Fix warnings about deprecated symbols.
|
||||
# define FMT_POSIX(call) _##call
|
||||
# else
|
||||
# define FMT_POSIX(call) call
|
||||
# endif
|
||||
#endif
|
||||
|
||||
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
|
||||
#ifdef FMT_SYSTEM
|
||||
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
|
||||
#else
|
||||
# define FMT_SYSTEM(call) call
|
||||
# ifdef _WIN32
|
||||
// Fix warnings about deprecated symbols.
|
||||
# define FMT_POSIX_CALL(call) ::_##call
|
||||
# else
|
||||
# define FMT_POSIX_CALL(call) ::call
|
||||
# endif
|
||||
#endif
|
||||
|
||||
// Retries the expression while it evaluates to error_result and errno
|
||||
// equals to EINTR.
|
||||
#ifndef _WIN32
|
||||
# define FMT_RETRY_VAL(result, expression, error_result) \
|
||||
do { \
|
||||
(result) = (expression); \
|
||||
} while ((result) == (error_result) && errno == EINTR)
|
||||
#else
|
||||
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
|
||||
#endif
|
||||
|
||||
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
|
||||
/**
|
||||
\rst
|
||||
A reference to a null-terminated string. It can be constructed from a C
|
||||
string or ``std::string``.
|
||||
|
||||
You can use one of the following type aliases for common character types:
|
||||
|
||||
+---------------+-----------------------------+
|
||||
| Type | Definition |
|
||||
+===============+=============================+
|
||||
| cstring_view | basic_cstring_view<char> |
|
||||
+---------------+-----------------------------+
|
||||
| wcstring_view | basic_cstring_view<wchar_t> |
|
||||
+---------------+-----------------------------+
|
||||
|
||||
This class is most useful as a parameter type to allow passing
|
||||
different types of strings to a function, for example::
|
||||
|
||||
template <typename... Args>
|
||||
std::string format(cstring_view format_str, const Args & ... args);
|
||||
|
||||
format("{}", 42);
|
||||
format(std::string("{}"), 42);
|
||||
\endrst
|
||||
*/
|
||||
template <typename Char> class basic_cstring_view {
|
||||
private:
|
||||
const Char* data_;
|
||||
|
||||
public:
|
||||
/** Constructs a string reference object from a C string. */
|
||||
basic_cstring_view(const Char* s) : data_(s) {}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs a string reference from an ``std::string`` object.
|
||||
\endrst
|
||||
*/
|
||||
basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
|
||||
|
||||
/** Returns the pointer to a C string. */
|
||||
const Char* c_str() const { return data_; }
|
||||
};
|
||||
|
||||
using cstring_view = basic_cstring_view<char>;
|
||||
using wcstring_view = basic_cstring_view<wchar_t>;
|
||||
|
||||
// An error code.
|
||||
class error_code {
|
||||
private:
|
||||
int value_;
|
||||
|
||||
public:
|
||||
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
|
||||
|
||||
int get() const FMT_NOEXCEPT { return value_; }
|
||||
};
|
||||
|
||||
// A buffered file.
|
||||
class buffered_file {
|
||||
private:
|
||||
FILE* file_;
|
||||
|
||||
friend class file;
|
||||
|
||||
explicit buffered_file(FILE* f) : file_(f) {}
|
||||
|
||||
public:
|
||||
buffered_file(const buffered_file&) = delete;
|
||||
void operator=(const buffered_file&) = delete;
|
||||
|
||||
// Constructs a buffered_file object which doesn't represent any file.
|
||||
buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
|
||||
|
||||
// Destroys the object closing the file it represents if any.
|
||||
FMT_API ~buffered_file() FMT_NOEXCEPT;
|
||||
|
||||
public:
|
||||
buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
|
||||
other.file_ = nullptr;
|
||||
}
|
||||
|
||||
buffered_file& operator=(buffered_file&& other) {
|
||||
close();
|
||||
file_ = other.file_;
|
||||
other.file_ = nullptr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
// Opens a file.
|
||||
FMT_API buffered_file(cstring_view filename, cstring_view mode);
|
||||
|
||||
// Closes the file.
|
||||
FMT_API void close();
|
||||
|
||||
// Returns the pointer to a FILE object representing this file.
|
||||
FILE* get() const FMT_NOEXCEPT { return file_; }
|
||||
|
||||
// We place parentheses around fileno to workaround a bug in some versions
|
||||
// of MinGW that define fileno as a macro.
|
||||
FMT_API int(fileno)() const;
|
||||
|
||||
void vprint(string_view format_str, format_args args) {
|
||||
fmt::vprint(file_, format_str, args);
|
||||
}
|
||||
|
||||
template <typename... Args>
|
||||
inline void print(string_view format_str, const Args&... args) {
|
||||
vprint(format_str, make_format_args(args...));
|
||||
}
|
||||
};
|
||||
|
||||
#if FMT_USE_FCNTL
|
||||
// A file. Closed file is represented by a file object with descriptor -1.
|
||||
// Methods that are not declared with FMT_NOEXCEPT may throw
|
||||
// fmt::system_error in case of failure. Note that some errors such as
|
||||
// closing the file multiple times will cause a crash on Windows rather
|
||||
// than an exception. You can get standard behavior by overriding the
|
||||
// invalid parameter handler with _set_invalid_parameter_handler.
|
||||
class file {
|
||||
private:
|
||||
int fd_; // File descriptor.
|
||||
|
||||
// Constructs a file object with a given descriptor.
|
||||
explicit file(int fd) : fd_(fd) {}
|
||||
|
||||
public:
|
||||
// Possible values for the oflag argument to the constructor.
|
||||
enum {
|
||||
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
|
||||
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
|
||||
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
|
||||
};
|
||||
|
||||
// Constructs a file object which doesn't represent any file.
|
||||
file() FMT_NOEXCEPT : fd_(-1) {}
|
||||
|
||||
// Opens a file and constructs a file object representing this file.
|
||||
FMT_API file(cstring_view path, int oflag);
|
||||
|
||||
public:
|
||||
file(const file&) = delete;
|
||||
void operator=(const file&) = delete;
|
||||
|
||||
file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
|
||||
|
||||
file& operator=(file&& other) FMT_NOEXCEPT {
|
||||
close();
|
||||
fd_ = other.fd_;
|
||||
other.fd_ = -1;
|
||||
return *this;
|
||||
}
|
||||
|
||||
// Destroys the object closing the file it represents if any.
|
||||
FMT_API ~file() FMT_NOEXCEPT;
|
||||
|
||||
// Returns the file descriptor.
|
||||
int descriptor() const FMT_NOEXCEPT { return fd_; }
|
||||
|
||||
// Closes the file.
|
||||
FMT_API void close();
|
||||
|
||||
// Returns the file size. The size has signed type for consistency with
|
||||
// stat::st_size.
|
||||
FMT_API long long size() const;
|
||||
|
||||
// Attempts to read count bytes from the file into the specified buffer.
|
||||
FMT_API std::size_t read(void* buffer, std::size_t count);
|
||||
|
||||
// Attempts to write count bytes from the specified buffer to the file.
|
||||
FMT_API std::size_t write(const void* buffer, std::size_t count);
|
||||
|
||||
// Duplicates a file descriptor with the dup function and returns
|
||||
// the duplicate as a file object.
|
||||
FMT_API static file dup(int fd);
|
||||
|
||||
// Makes fd be the copy of this file descriptor, closing fd first if
|
||||
// necessary.
|
||||
FMT_API void dup2(int fd);
|
||||
|
||||
// Makes fd be the copy of this file descriptor, closing fd first if
|
||||
// necessary.
|
||||
FMT_API void dup2(int fd, error_code& ec) FMT_NOEXCEPT;
|
||||
|
||||
// Creates a pipe setting up read_end and write_end file objects for reading
|
||||
// and writing respectively.
|
||||
FMT_API static void pipe(file& read_end, file& write_end);
|
||||
|
||||
// Creates a buffered_file object associated with this file and detaches
|
||||
// this file object from the file.
|
||||
FMT_API buffered_file fdopen(const char* mode);
|
||||
};
|
||||
|
||||
// Returns the memory page size.
|
||||
long getpagesize();
|
||||
#endif // FMT_USE_FCNTL
|
||||
|
||||
#ifdef FMT_LOCALE
|
||||
// A "C" numeric locale.
|
||||
class Locale {
|
||||
private:
|
||||
# ifdef _WIN32
|
||||
using locale_t = _locale_t;
|
||||
|
||||
enum { LC_NUMERIC_MASK = LC_NUMERIC };
|
||||
|
||||
static locale_t newlocale(int category_mask, const char* locale, locale_t) {
|
||||
return _create_locale(category_mask, locale);
|
||||
}
|
||||
|
||||
static void freelocale(locale_t locale) { _free_locale(locale); }
|
||||
|
||||
static double strtod_l(const char* nptr, char** endptr, _locale_t locale) {
|
||||
return _strtod_l(nptr, endptr, locale);
|
||||
}
|
||||
# endif
|
||||
|
||||
locale_t locale_;
|
||||
|
||||
public:
|
||||
using type = locale_t;
|
||||
Locale(const Locale&) = delete;
|
||||
void operator=(const Locale&) = delete;
|
||||
|
||||
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr)) {
|
||||
if (!locale_) FMT_THROW(system_error(errno, "cannot create locale"));
|
||||
}
|
||||
~Locale() { freelocale(locale_); }
|
||||
|
||||
type get() const { return locale_; }
|
||||
|
||||
// Converts string to floating-point number and advances str past the end
|
||||
// of the parsed input.
|
||||
double strtod(const char*& str) const {
|
||||
char* end = nullptr;
|
||||
double result = strtod_l(str, &end, locale_);
|
||||
str = end;
|
||||
return result;
|
||||
}
|
||||
};
|
||||
#endif // FMT_LOCALE
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_POSIX_H_
|
||||
#include "os.h"
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
// A C++ interface to POSIX functions.
|
||||
// Formatting library for C++ - optional OS-specific functionality
|
||||
//
|
||||
// Copyright (c) 2012 - 2016, Victor Zverovich
|
||||
// All rights reserved.
|
||||
@ -10,7 +10,6 @@
|
||||
# define _CRT_SECURE_NO_WARNINGS
|
||||
#endif
|
||||
|
||||
#include "fmt/posix.h"
|
||||
#include "fmt/os.h"
|
||||
|
||||
#include <climits>
|
||||
@ -11,7 +11,7 @@
|
||||
#endif
|
||||
|
||||
#include "posix-mock.h"
|
||||
#include "../src/posix.cc"
|
||||
#include "../src/os.cc"
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user