Function ILAPIENTRY ilDeleteImages

DevIL/src-IL/src/il_stack.cpp:123–173

Deletes Num images from the image stack - similar to glDeleteTextures().

//! Deletes Num images from the image stack - similar to glDeleteTextures().
void ILAPIENTRY ilDeleteImages(ILsizei Num, const ILuint *Images)
{
	iFree	*Temp = FreeNames;
	ILuint	Index = 0;

	if (Num < 1) {
		//ilSetError(IL_INVALID_VALUE);
		return;
	}
	if (StackSize == 0)
		return;

	do {
		if (Images[Index] > 0 && Images[Index] < LastUsed) {  // <= ?
			/*if (FreeNames != NULL) {  // Terribly inefficient
				Temp = FreeNames;
				do {
					if (Temp->Name == Images[Index]) {
						continue;  // Sufficient?
					}
				} while ((Temp = Temp->Next));
			}*/

			// Already has been deleted or was never used.
			if (ImageStack[Images[Index]] == NULL)
				continue;

			// Find out if current image - if so, set to default image zero.
			if (Images[Index] == CurName || Images[Index] == 0) {
				iCurImage = ImageStack[0];
				CurName = 0;
			}
			
			// Should *NOT* be NULL here!
			ilCloseImage(ImageStack[Images[Index]]);
			ImageStack[Images[Index]] = NULL;

			// Add to head of list - works for empty and non-empty lists
			Temp = (iFree*)ialloc(sizeof(iFree));
			if (!Temp) {
				return;
			}
			Temp->Name = Images[Index];
			Temp->Next = FreeNames;
			FreeNames = Temp;
		}
		/*else {  // Shouldn't set an error...just continue onward.
			ilSetError(IL_ILLEGAL_OPERATION);
		}*/
	} while (++Index < (ILuint)Num);
}


void ILAPIENTRY ilDeleteImage(const ILuint Num) {