SDL_vsnprintf - Man Page

This works exactly like vsnprintf() but doesn't require access to a C runtime.

Header File

Defined in SDL3/SDL_stdinc.h

Synopsis

#include "SDL3/SDL.h"

int SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);

Description

Functions identically to SDL_snprintf (), except it takes a va_list instead of using ... variable arguments.

Function Parameters

text

the buffer to write the string into. Must not be NULL.

maxlen

the maximum bytes to write, including the null-terminator.

fmt

a printf-style format string. Must not be NULL.

ap

a va_list values to be used with the format string.

Return Value

Returns the number of bytes that should be written, not counting the null-terminator char, or a negative value on error.

Thread Safety

It is safe to call this function from any thread.

Availability

This function is available since SDL 3.2.0.

Info

SDL 3.2.2 Simple Directmedia Layer SDL3 FUNCTIONS