Wget printf functions

Functions
size_t	wget_vasprintf (char **strp, const char *fmt, va_list args)
size_t	wget_asprintf (char **strp, const char *fmt,...)
char *	wget_vaprintf (const char *fmt, va_list args)
char *	wget_aprintf (const char *fmt,...)

Detailed Description

This is a collection of printf-style functions that are used with libwget and/or Wget code. They may be useful to other developers that is why they are exported.

Function Documentation

wget_vasprintf()

size_t wget_vasprintf	(	char **	strp,
		const char *	fmt,
		va_list	args
	)

Parameters

[in]	strp	Pointer to hold the string output
[in]	fmt	Printf-like format specifier
[in]	args	va_list of arguments

Returns

Length of the string returned via strp

Prints arguments to allocated memory and 0-terminates it. The string is returned via the first argument. It has to be free()'d by the caller when it is no longer needed.

wget_asprintf()

size_t wget_asprintf	(	char **	strp,
		const char *	fmt,
			...
	)

Parameters

[in]	strp	Pointer to hold the string output
[in]	fmt	Printf-like format specifier
[in]	...	List of arguments

Returns

Length of the string returned via strp

Prints arguments to allocated memory and 0-terminates it. The string is returned via the first argument. It has to be free()'d by the caller when it is no longer needed.

wget_vaprintf()

char* wget_vaprintf	(	const char *	fmt,
		va_list	args
	)

Parameters

[in]	fmt	Printf-like format specifier
[in]	args	va_list of arguments

Returns

Pointer to 0-terminated string in memory

Prints arguments to memory and returns a pointer to allocated and 0-terminated chunk of memory or NULL on error. The return value has to be free()'d by the caller when it is no longer needed.

wget_aprintf()

char* wget_aprintf	(	const char *	fmt,
			...
	)

Parameters

[in]	fmt	Printf-like format specifier
[in]	...	List of arguments

Returns

Pointer to 0-terminated string in memory

Prints arguments to memory and returns a pointer to allocated and 0-terminated chunk of memory or NULL on error. The return value has to be free()'d by the caller when it is no longer needed.