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#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 */