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@ -83,21 +83,28 @@
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#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
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namespace fmt {
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namespace fmt
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{
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// An error code.
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class ErrorCode {
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class ErrorCode
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{
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private:
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int value_;
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public:
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explicit ErrorCode(int value = 0) FMT_NOEXCEPT : value_(value) {}
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explicit ErrorCode(int value = 0) FMT_NOEXCEPT :
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value_(value) {}
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int get() const FMT_NOEXCEPT { return value_; }
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int get() const FMT_NOEXCEPT
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{
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return value_;
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}
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};
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// A buffered file.
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class BufferedFile {
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class BufferedFile
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{
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private:
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FILE *file_;
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@ -107,7 +114,8 @@ class BufferedFile {
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public:
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// Constructs a BufferedFile object which doesn't represent any file.
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BufferedFile() FMT_NOEXCEPT : file_(0) {}
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BufferedFile() FMT_NOEXCEPT :
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file_(0) {}
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// Destroys the object closing the file it represents if any.
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~BufferedFile() FMT_NOEXCEPT;
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@ -119,28 +127,34 @@ class BufferedFile {
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private:
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// A proxy object to emulate a move constructor.
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// It is private to make it impossible call operator Proxy directly.
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struct Proxy {
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struct Proxy
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{
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FILE *file;
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};
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public:
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// A "move constructor" for moving from a temporary.
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BufferedFile(Proxy p) FMT_NOEXCEPT : file_(p.file) {}
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BufferedFile(Proxy p) FMT_NOEXCEPT :
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file_(p.file) {}
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// A "move constructor" for moving from an lvalue.
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BufferedFile(BufferedFile &f) FMT_NOEXCEPT : file_(f.file_) {
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BufferedFile(BufferedFile &f) FMT_NOEXCEPT :
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file_(f.file_)
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{
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f.file_ = 0;
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}
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// A "move assignment operator" for moving from a temporary.
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BufferedFile &operator=(Proxy p) {
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BufferedFile &operator=(Proxy p)
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{
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close();
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file_ = p.file;
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return *this;
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}
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// A "move assignment operator" for moving from an lvalue.
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BufferedFile &operator=(BufferedFile &other) {
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BufferedFile &operator=(BufferedFile &other)
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{
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close();
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file_ = other.file_;
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other.file_ = 0;
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@ -149,7 +163,8 @@ public:
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// Returns a proxy object for moving from a temporary:
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// BufferedFile file = BufferedFile(...);
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operator Proxy() FMT_NOEXCEPT {
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operator Proxy() FMT_NOEXCEPT
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{
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Proxy p = {file_};
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file_ = 0;
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return p;
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@ -160,11 +175,14 @@ public:
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FMT_DISALLOW_COPY_AND_ASSIGN(BufferedFile);
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public:
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BufferedFile(BufferedFile &&other) FMT_NOEXCEPT : file_(other.file_) {
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BufferedFile(BufferedFile &&other) FMT_NOEXCEPT :
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file_(other.file_)
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{
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other.file_ = 0;
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}
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BufferedFile& operator=(BufferedFile &&other) {
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BufferedFile& operator=(BufferedFile &&other)
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{
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close();
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file_ = other.file_;
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other.file_ = 0;
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@ -179,13 +197,17 @@ public:
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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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FILE *get() const FMT_NOEXCEPT
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{
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return file_;
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}
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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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int (fileno)() const;
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void print(CStringRef format_str, const ArgList &args) {
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void print(CStringRef format_str, const ArgList &args)
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{
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fmt::print(file_, format_str, args);
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}
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FMT_VARIADIC(void, print, CStringRef)
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@ -197,7 +219,8 @@ public:
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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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class File
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{
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private:
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int fd_; // File descriptor.
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@ -206,14 +229,16 @@ class File {
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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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enum
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{
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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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File() FMT_NOEXCEPT :
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fd_(-1) {}
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// Opens a file and constructs a File object representing this file.
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File(CStringRef path, int oflag);
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@ -225,28 +250,34 @@ class File {
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private:
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// A proxy object to emulate a move constructor.
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// It is private to make it impossible call operator Proxy directly.
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struct Proxy {
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struct Proxy
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{
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int fd;
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};
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public:
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// A "move constructor" for moving from a temporary.
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File(Proxy p) FMT_NOEXCEPT : fd_(p.fd) {}
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File(Proxy p) FMT_NOEXCEPT :
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fd_(p.fd) {}
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// A "move constructor" for moving from an lvalue.
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File(File &other) FMT_NOEXCEPT : fd_(other.fd_) {
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File(File &other) FMT_NOEXCEPT :
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fd_(other.fd_)
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{
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other.fd_ = -1;
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}
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// A "move assignment operator" for moving from a temporary.
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File &operator=(Proxy p) {
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File &operator=(Proxy p)
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{
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close();
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fd_ = p.fd;
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return *this;
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}
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// A "move assignment operator" for moving from an lvalue.
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File &operator=(File &other) {
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File &operator=(File &other)
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{
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close();
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fd_ = other.fd_;
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other.fd_ = -1;
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@ -255,7 +286,8 @@ class File {
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// Returns a proxy object for moving from a temporary:
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// File file = File(...);
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operator Proxy() FMT_NOEXCEPT {
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operator Proxy() FMT_NOEXCEPT
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{
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Proxy p = {fd_};
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fd_ = -1;
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return p;
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@ -266,11 +298,14 @@ class File {
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FMT_DISALLOW_COPY_AND_ASSIGN(File);
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public:
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File(File &&other) FMT_NOEXCEPT : fd_(other.fd_) {
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File(File &&other) FMT_NOEXCEPT :
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fd_(other.fd_)
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{
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other.fd_ = -1;
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}
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File& operator=(File &&other) {
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File& operator=(File &&other)
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{
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close();
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fd_ = other.fd_;
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other.fd_ = -1;
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@ -282,7 +317,10 @@ class File {
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~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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int descriptor() const FMT_NOEXCEPT
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{
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return fd_;
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}
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// Closes the file.
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void close();
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@ -328,22 +366,26 @@ long getpagesize();
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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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class Locale
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{
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private:
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# ifdef _MSC_VER
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typedef _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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static locale_t newlocale(int category_mask, const char *locale, locale_t)
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{
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return _create_locale(category_mask, locale);
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}
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static void freelocale(locale_t locale) {
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static void freelocale(locale_t locale)
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{
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_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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static double strtod_l(const char *nptr, char **endptr, _locale_t locale)
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{
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return _strtod_l(nptr, endptr, locale);
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}
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# endif
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@ -355,17 +397,25 @@ class Locale {
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public:
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typedef locale_t Type;
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Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", NULL)) {
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Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", NULL))
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{
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if (!locale_)
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FMT_THROW(fmt::SystemError(errno, "cannot create locale"));
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}
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~Locale() { freelocale(locale_); }
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~Locale()
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{
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freelocale(locale_);
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}
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Type get() const { return locale_; }
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Type get() const
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{
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return locale_;
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}
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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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double strtod(const char *&str) const
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{
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char *end = 0;
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double result = strtod_l(str, &end, locale_);
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str = end;
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@ -376,10 +426,17 @@ class Locale {
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} // namespace fmt
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#if !FMT_USE_RVALUE_REFERENCES
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namespace std {
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namespace std
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{
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// For compatibility with C++98.
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inline fmt::BufferedFile &move(fmt::BufferedFile &f) { return f; }
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inline fmt::File &move(fmt::File &f) { return f; }
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inline fmt::BufferedFile &move(fmt::BufferedFile &f)
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{
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return f;
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}
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inline fmt::File &move(fmt::File &f)
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{
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return f;
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}
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}
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#endif
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gabime
9 years ago