DRAFT

SDL_RWtell

Use this function ^(macro) to *perform a do-nothing seek to get the current offset in an SDL_RWops stream*.

Contents

SDL_RWtell

Syntax

SDL_RWtell(ctx)

green

(ctx)->seek(ctx, 0, RW_SEEK_CUR)

Function Parameters

ctx

*a pointer to an SDL_RWops structure*

Return Value

*Returns the ^current offset in the stream.*

Code Examples

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

int main()
{
  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

_Note: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) *???