---
name: "SDL_SaveFile_IO"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_SaveFile_IO"
---

# SDL\_SaveFile\_IO(3)

Save all the data into an SDL data stream.

## NAME

SDL\_SaveFile\_IO - Save all the data into an SDL data stream.

## HEADER FILE

Defined in SDL3/SDL\_iostream.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**bool SDL\_SaveFile\_IO(SDL\_IOStream \*src, const void \*data, size\_t datasize, bool closeio);**

## FUNCTION PARAMETERS

- *src*

  the  **SDL\_IOStream**\
    to write all data to.

- *data*

  the data to be written. If datasize is 0, may be NULL or a invalid pointer.

- *datasize*

  the number of bytes to be written.

- *closeio*

  if true, calls  **SDL\_CloseIO** () on **src** before returning, even in the case of an error.

## RETURN VALUE

Returns true on success or false on failure; call

**SDL\_GetError** () for more information.

## THREAD SAFETY

This function is not thread safe.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_SaveFile**(3)](/SDL_SaveFile/3.md), **•**(3), [**SDL\_LoadFile\_IO**(3)](/SDL_LoadFile_IO/3.md)