vfu8printf_s.c File Reference

#include "safe_u8_lib.h"

Include dependency graph for vfu8printf_s.c:

Functions
EXPORT int	vfu8printf_s (FILE *restrict stream, const char *restrict fmt, va_list arg)
	The vfu8printf_s function composes a string via the format string and writes it, as utf-8, to a FILE stream.

Function Documentation

vfu8printf_s()

EXPORT int vfu8printf_s	(	FILE *restrict	stream,
		const char *restrict	fmt,
		va_list	arg )

The vfu8printf_s function composes a string via the format string and writes it, as utf-8, to a FILE stream.

Parameters

[out]	stream	output file stream to write to
[in]	fmt	format-control string.
[in]	arg	optional arguments

Precondition

Neither stream nor fmt shall be a null pointer.

fmt shall not contain the conversion specifier n.

Returns

On success the total number of bytes written is returned.

On failure a negative number is returned.

Return values

-ESNULLP	when stream or fmt is NULL pointer
-EINVAL	when fmt contains n
-1	on some other error. errno is set then.

See also

fu8printf_s(), vfprintf_s()