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files >> //opt/alt/ruby31/include/ruby/internal/encoding/sprintf.h
#ifndef RUBY_INTERNAL_ENCODING_SPRINTF_H /*-*-C++-*-vi:se ft=cpp:*/ #define RUBY_INTERNAL_ENCODING_SPRINTF_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Routines to manipulate encodings of symbols. */ #include "ruby/internal/config.h" #include <stdarg.h> #include "ruby/internal/attr/format.h" #include "ruby/internal/attr/nonnull.h" #include "ruby/internal/attr/noreturn.h" #include "ruby/internal/dllexport.h" #include "ruby/internal/encoding/encoding.h" #include "ruby/internal/value.h" RBIMPL_SYMBOL_EXPORT_BEGIN() RBIMPL_ATTR_NONNULL((2)) RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3) /** * Identical to rb_sprintf(), except it additionally takes an encoding. The * passed encoding rules both the incoming format specifier and the resulting * string. * * @param[in] enc Encoding of `fmt`. * @param[in] fmt A `printf`-like format specifier. * @param[in] ... Variadic number of contents to format. * @return A rendered new instance of ::rb_cString, of `enc` encoding. */ VALUE rb_enc_sprintf(rb_encoding *enc, const char *fmt, ...); RBIMPL_ATTR_NONNULL((2)) RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0) /** * Identical to rb_enc_sprintf(), except it takes a `va_list` instead of * variadic arguments. It can also be seen as a routine identical to * rb_vsprintf(), except it additionally takes an encoding. * * @param[in] enc Encoding of `fmt`. * @param[in] fmt A `printf`-like format specifier. * @param[in] ap Contents to format. * @return A rendered new instance of ::rb_cString, of `enc` encoding. */ VALUE rb_enc_vsprintf(rb_encoding *enc, const char *fmt, va_list ap); RBIMPL_ATTR_NORETURN() RBIMPL_ATTR_NONNULL((3)) RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 3, 4) /** * Identical to rb_raise(), except it additionally takes an encoding. * * @param[in] enc Encoding of the generating exception. * @param[in] exc A subclass of ::rb_eException. * @param[in] fmt Format specifier string compatible with rb_sprintf(). * @param[in] ... Contents of the message. * @exception exc The specified exception. * @note It never returns. */ void rb_enc_raise(rb_encoding *enc, VALUE exc, const char *fmt, ...); RBIMPL_SYMBOL_EXPORT_END() #endif /* RUBY_INTERNAL_ENCODING_SPRINTF_H */
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