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Update to spice2x-26-02-17 (pre-apply)

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2026-02-19 15:41:42 +09:00
parent 04fc516d47
commit e923b7918f
211 changed files with 26313 additions and 19055 deletions
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external/fmt/src/os.cc
Vendored
+170 -132
View File
@@ -12,43 +12,51 @@
#include "fmt/os.h"
#include <climits>
#ifndef FMT_MODULE
# include <climits>
#if FMT_USE_FCNTL
# include <sys/stat.h>
# include <sys/types.h>
# if FMT_USE_FCNTL
# include <sys/stat.h>
# include <sys/types.h>
# ifndef _WIN32
# include <unistd.h>
# else
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <io.h>
# define O_CREAT _O_CREAT
# define O_TRUNC _O_TRUNC
# ifndef S_IRUSR
# define S_IRUSR _S_IREAD
# ifdef _WRS_KERNEL // VxWorks7 kernel
# include <ioLib.h> // getpagesize
# endif
# ifndef S_IWUSR
# define S_IWUSR _S_IWRITE
# endif
# ifndef _WIN32
# include <unistd.h>
# else
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <io.h>
# endif // _WIN32
# endif // FMT_USE_FCNTL
# ifdef __MINGW32__
# define _SH_DENYNO 0x40
# endif
# endif // _WIN32
#endif // FMT_USE_FCNTL
#ifdef _WIN32
# include <windows.h>
# ifdef _WIN32
# include <windows.h>
# endif
#endif
#ifdef fileno
# undef fileno
#ifdef _WIN32
# ifndef S_IRUSR
# define S_IRUSR _S_IREAD
# endif
# ifndef S_IWUSR
# define S_IWUSR _S_IWRITE
# endif
# ifndef S_IRGRP
# define S_IRGRP 0
# endif
# ifndef S_IWGRP
# define S_IWGRP 0
# endif
# ifndef S_IROTH
# define S_IROTH 0
# endif
# ifndef S_IWOTH
# define S_IWOTH 0
# endif
#endif
namespace {
@@ -58,48 +66,20 @@ using rwresult = int;
// 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) {
inline unsigned convert_rwcount(size_t count) {
return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX;
}
#elif FMT_USE_FCNTL
// Return type of read and write functions.
using rwresult = ssize_t;
inline std::size_t convert_rwcount(std::size_t count) { return count; }
inline auto convert_rwcount(size_t count) -> size_t { return count; }
#endif
} // namespace
FMT_BEGIN_NAMESPACE
#ifdef _WIN32
detail::utf16_to_utf8::utf16_to_utf8(basic_string_view<wchar_t> s) {
if (int error_code = convert(s)) {
FMT_THROW(windows_error(error_code,
"cannot convert string from UTF-16 to UTF-8"));
}
}
int detail::utf16_to_utf8::convert(basic_string_view<wchar_t> s) {
if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
if (s_size == 0) {
// WideCharToMultiByte does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return 0;
}
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0,
nullptr, nullptr);
if (length == 0) return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0],
length, nullptr, nullptr);
if (length == 0) return GetLastError();
buffer_[length] = 0;
return 0;
}
namespace detail {
class system_message {
@@ -109,7 +89,7 @@ class system_message {
unsigned long result_;
wchar_t* message_;
static bool is_whitespace(wchar_t c) FMT_NOEXCEPT {
static bool is_whitespace(wchar_t c) noexcept {
return c == L' ' || c == L'\n' || c == L'\r' || c == L'\t' || c == L'\0';
}
@@ -128,20 +108,20 @@ class system_message {
}
}
~system_message() { LocalFree(message_); }
explicit operator bool() const FMT_NOEXCEPT { return result_ != 0; }
operator basic_string_view<wchar_t>() const FMT_NOEXCEPT {
explicit operator bool() const noexcept { return result_ != 0; }
operator basic_string_view<wchar_t>() const noexcept {
return basic_string_view<wchar_t>(message_, result_);
}
};
class utf8_system_category final : public std::error_category {
public:
const char* name() const FMT_NOEXCEPT override { return "system"; }
const char* name() const noexcept override { return "system"; }
std::string message(int error_code) const override {
system_message msg(error_code);
auto&& msg = system_message(error_code);
if (msg) {
utf16_to_utf8 utf8_message;
if (utf8_message.convert(msg) == ERROR_SUCCESS) {
auto utf8_message = to_utf8<wchar_t>();
if (utf8_message.convert(msg)) {
return utf8_message.str();
}
}
@@ -151,7 +131,7 @@ class utf8_system_category final : public std::error_category {
} // namespace detail
FMT_API const std::error_category& system_category() FMT_NOEXCEPT {
FMT_API const std::error_category& system_category() noexcept {
static const detail::utf8_system_category category;
return category;
}
@@ -163,13 +143,14 @@ std::system_error vwindows_error(int err_code, string_view format_str,
}
void detail::format_windows_error(detail::buffer<char>& out, int error_code,
const char* message) FMT_NOEXCEPT {
const char* message) noexcept {
FMT_TRY {
system_message msg(error_code);
auto&& msg = system_message(error_code);
if (msg) {
utf16_to_utf8 utf8_message;
if (utf8_message.convert(msg) == ERROR_SUCCESS) {
format_to(buffer_appender<char>(out), "{}: {}", message, utf8_message);
auto utf8_message = to_utf8<wchar_t>();
if (utf8_message.convert(msg)) {
fmt::format_to(appender(out), FMT_STRING("{}: {}"), message,
string_view(utf8_message));
return;
}
}
@@ -178,12 +159,12 @@ void detail::format_windows_error(detail::buffer<char>& out, int error_code,
format_error_code(out, error_code, message);
}
void report_windows_error(int error_code, const char* message) FMT_NOEXCEPT {
report_error(detail::format_windows_error, error_code, message);
void report_windows_error(int error_code, const char* message) noexcept {
do_report_error(detail::format_windows_error, error_code, message);
}
#endif // _WIN32
buffered_file::~buffered_file() FMT_NOEXCEPT {
buffered_file::~buffered_file() noexcept {
if (file_ && FMT_SYSTEM(fclose(file_)) != 0)
report_system_error(errno, "cannot close file");
}
@@ -192,39 +173,57 @@ buffered_file::buffered_file(cstring_view filename, cstring_view mode) {
FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())),
nullptr);
if (!file_)
FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str()));
FMT_THROW(system_error(errno, FMT_STRING("cannot open file {}"),
filename.c_str()));
}
void buffered_file::close() {
if (!file_) return;
int result = FMT_SYSTEM(fclose(file_));
file_ = nullptr;
if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
if (result != 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot close file")));
}
// A macro used to prevent expansion of fileno on broken versions of MinGW.
#define FMT_ARGS
int buffered_file::fileno() const {
int fd = FMT_POSIX_CALL(fileno FMT_ARGS(file_));
if (fd == -1) FMT_THROW(system_error(errno, "cannot get file descriptor"));
auto buffered_file::descriptor() const -> int {
#ifdef FMT_HAS_SYSTEM
// fileno is a macro on OpenBSD.
# ifdef fileno
# undef fileno
# endif
int fd = FMT_POSIX_CALL(fileno(file_));
#elif defined(_WIN32)
int fd = _fileno(file_);
#else
int fd = fileno(file_);
#endif
if (fd == -1)
FMT_THROW(system_error(errno, FMT_STRING("cannot get file descriptor")));
return fd;
}
#if FMT_USE_FCNTL
# ifdef _WIN32
using mode_t = int;
# endif
constexpr mode_t default_open_mode =
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
file::file(cstring_view 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));
auto converted = detail::utf8_to_utf16(string_view(path.c_str()));
*this = file::open_windows_file(converted.c_str(), oflag);
# else
FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode)));
# endif
FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, default_open_mode)));
if (fd_ == -1)
FMT_THROW(system_error(errno, "cannot open file {}", path.c_str()));
FMT_THROW(
system_error(errno, FMT_STRING("cannot open file {}"), path.c_str()));
# endif
}
file::~file() FMT_NOEXCEPT {
file::~file() 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)
@@ -237,10 +236,11 @@ void file::close() {
// 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(system_error(errno, "cannot close file"));
if (result != 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot close file")));
}
long long file::size() const {
auto file::size() const -> long long {
# 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.
@@ -251,7 +251,7 @@ long long file::size() const {
if (size_lower == INVALID_FILE_SIZE) {
DWORD error = GetLastError();
if (error != NO_ERROR)
FMT_THROW(windows_error(GetLastError(), "cannot get file size"));
FMT_THROW(windows_error(error, "cannot get file size"));
}
unsigned long long long_size = size_upper;
return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower;
@@ -259,33 +259,36 @@ long long file::size() const {
using Stat = struct stat;
Stat file_stat = Stat();
if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1)
FMT_THROW(system_error(errno, "cannot get file attributes"));
FMT_THROW(system_error(errno, FMT_STRING("cannot get file attributes")));
static_assert(sizeof(long long) >= sizeof(file_stat.st_size),
"return type of file::size is not large enough");
return file_stat.st_size;
# endif
}
std::size_t file::read(void* buffer, std::size_t count) {
auto file::read(void* buffer, size_t count) -> size_t {
rwresult result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(read(fd_, buffer, convert_rwcount(count))));
if (result < 0) FMT_THROW(system_error(errno, "cannot read from file"));
if (result < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot read from file")));
return detail::to_unsigned(result);
}
std::size_t file::write(const void* buffer, std::size_t count) {
auto file::write(const void* buffer, size_t count) -> size_t {
rwresult result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
if (result < 0) FMT_THROW(system_error(errno, "cannot write to file"));
if (result < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
return detail::to_unsigned(result);
}
file file::dup(int fd) {
auto file::dup(int fd) -> file {
// 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(system_error(errno, "cannot duplicate file descriptor {}", fd));
FMT_THROW(system_error(
errno, FMT_STRING("cannot duplicate file descriptor {}"), fd));
return file(new_fd);
}
@@ -293,22 +296,47 @@ void file::dup2(int fd) {
int result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
if (result == -1) {
FMT_THROW(system_error(errno, "cannot duplicate file descriptor {} to {}",
fd_, fd));
FMT_THROW(system_error(
errno, FMT_STRING("cannot duplicate file descriptor {} to {}"), fd_,
fd));
}
}
void file::dup2(int fd, std::error_code& ec) FMT_NOEXCEPT {
void file::dup2(int fd, std::error_code& ec) noexcept {
int result = 0;
FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
if (result == -1) ec = std::error_code(errno, std::generic_category());
}
void 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();
auto file::fdopen(const char* mode) -> buffered_file {
// Don't retry as fdopen doesn't return EINTR.
# if defined(__MINGW32__) && defined(_POSIX_)
FILE* f = ::fdopen(fd_, mode);
# else
FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
# endif
if (!f) {
FMT_THROW(system_error(
errno, FMT_STRING("cannot associate stream with file descriptor")));
}
buffered_file bf(f);
fd_ = -1;
return bf;
}
# if defined(_WIN32) && !defined(__MINGW32__)
file file::open_windows_file(wcstring_view path, int oflag) {
int fd = -1;
auto err = _wsopen_s(&fd, path.c_str(), oflag, _SH_DENYNO, default_open_mode);
if (fd == -1) {
FMT_THROW(system_error(err, FMT_STRING("cannot open file {}"),
detail::to_utf8<wchar_t>(path.c_str()).c_str()));
}
return file(fd);
}
# endif
pipe::pipe() {
int fds[2] = {};
# ifdef _WIN32
// Make the default pipe capacity same as on Linux 2.6.11+.
@@ -319,42 +347,52 @@ void file::pipe(file& read_end, file& write_end) {
// http://pubs.opengroup.org/onlinepubs/009696799/functions/pipe.html
int result = FMT_POSIX_CALL(pipe(fds));
# endif
if (result != 0) FMT_THROW(system_error(errno, "cannot create pipe"));
// The following assignments don't throw because read_fd and write_fd
// are closed.
if (result != 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot create pipe")));
// The following assignments don't throw.
read_end = file(fds[0]);
write_end = file(fds[1]);
}
buffered_file file::fdopen(const char* mode) {
// Don't retry as fdopen doesn't return EINTR.
# if defined(__MINGW32__) && defined(_POSIX_)
FILE* f = ::fdopen(fd_, mode);
# else
FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
# endif
if (!f)
FMT_THROW(
system_error(errno, "cannot associate stream with file descriptor"));
buffered_file bf(f);
fd_ = -1;
return bf;
}
long getpagesize() {
# ifdef _WIN32
# if !defined(__MSDOS__)
auto getpagesize() -> long {
# ifdef _WIN32
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwPageSize;
# else
# else
# ifdef _WRS_KERNEL
long size = FMT_POSIX_CALL(getpagesize());
# else
long size = FMT_POSIX_CALL(sysconf(_SC_PAGESIZE));
if (size < 0) FMT_THROW(system_error(errno, "cannot get memory page size"));
# endif
if (size < 0)
FMT_THROW(system_error(errno, FMT_STRING("cannot get memory page size")));
return size;
# endif
}
# endif
void ostream::grow(buffer<char>& buf, size_t) {
if (buf.size() == buf.capacity()) static_cast<ostream&>(buf).flush();
}
FMT_API void ostream::grow(size_t) {
if (this->size() == this->capacity()) flush();
ostream::ostream(cstring_view path, const detail::ostream_params& params)
: buffer<char>(grow), file_(path, params.oflag) {
set(new char[params.buffer_size], params.buffer_size);
}
ostream::ostream(ostream&& other) noexcept
: buffer<char>(grow, other.data(), other.size(), other.capacity()),
file_(std::move(other.file_)) {
other.clear();
other.set(nullptr, 0);
}
ostream::~ostream() {
flush();
delete[] data();
}
#endif // FMT_USE_FCNTL
FMT_END_NAMESPACE