DYNOUTP.C

/******************************************************************************\ 
*       This is a part of the Microsoft Source Code Samples. 
*       Copyright 1995 - 1998 Microsoft Corporation. 
*       All rights reserved. 
*       This source code is only intended as a supplement to 
*       Microsoft Development Tools and/or WinHelp documentation. 
*       See these sources for detailed information regarding the 
*       Microsoft samples programs. 
\******************************************************************************/ 
// 
// Sample code to show server-side 
// memory allocation for an [out] parameter 
// 
// 
 
#include <assert.h> 
#include "stdio.h" 
#include "string.h" 
#include "dynout.h" 
 
short GrabChunk(long *lSize, unsigned char **ppData) 
{ 
int cbChunk = rand() % 10000;// how much memory to grab 
int cChar = 33 + rand()%30;// what to fill it with 
 
printf("GrabChunk() allocating %d bytes of '%c'\n",cbChunk,cChar); 
 
*lSize = (long)cbChunk; 
*ppData = midl_user_allocate(cbChunk); 
memset(*ppData,cChar,cbChunk); 
 
return 0; 
}