SDL_RWtell

Use this function to perform a do-nothing seek to get the current offset in an SDL_RWops data stream.

Syntax

Sint64 SDL_RWtell(struct SDL_RWops* context)

Function Parameters

Return Value

*Returns the current offset in the stream.*

Code Examples

*

#include <stdio.h>
#include "SDL_rwops.h"

int main(int argc, char *argv[])
{
  SDL_RWops *rw=SDL_RWFromFile("test.bin","r");
  if(rw==NULL)
  {
    fprintf(stderr,"Couldn't open test.bin\n");
    return(1);
  }

  SDL_RWseek(rw,0,RW_SEEK_END);
  fprintf(stderr,"Final position in test.bin: %d\n",SDL_RWtell(rw));
  SDL_RWclose(rw);
  return(0);
}

*

Remarks

*
This is not a built-in function. This is a macro that calls whatever seek function that happens to be pointed to in an SDL_RWops structure.
*

Related Functions

• SDL_RWclose (Macro) *

• SDL_RWFromFile *

• SDL_RWread (Macro) *

• SDL_RWseek(Macro) *

• SDL_RWwrite (Macro) *

CategoryAPI, CategoryIO