SDL_RWFromMem

Use this function to create an SDL_RWops structure from memory of a certain size.

Contents

Syntax

SDL_RWops* SDL_RWFromMem(void* mem,
                         int   size)

mem	_{a pointer to}^{the memory location}
size	^{the size of the memory location}

green

A pointer to the SDL_RWops structure that is created or NULL on failure; call SDL_GetError() for more information.

char bitmap[310000];
SDL_RWops *rw;

rw = SDL_RWFromMem(bitmap, sizeof(bitmap));
SDL_SaveBMP_RW(screen, rw, 0);

*
If the memory is not writable, use SDL_RWFromConstMem() instead.
*

-  ⇤ ← Revision 4 as of 2010-08-22 19:57:35 → 
  Size: 1006
  Editor: SheenaSmith
  Comment: minor change
+   ← Revision 6 as of 2011-05-17 18:13:55 → ⇥
  Size: 1121
  Editor: SheenaSmith
  Comment: add SDL_GetError to RV
-Deletions are marked like this.
+Additions are marked like this.
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-#pragma disable-camelcase
+#pragma camelcase off
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-||'''mem'''||^a pointer to the memory location^||
+||'''mem'''||,,a pointer to ,,^the memory location^||
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+<<Color2(green,Is '''mem''' an exception to the 'pointer rule'?)>>
-Line 21:
+Line 23:
-A pointer to the SDL_RWops structure that is created, or NULL on failure.
+A pointer to the SDL_RWops structure that is created or NULL on failure; call [[SDL_GetError]]() for more information.