MAPIMEM.C

// --mapimem.c------------------------------------------------------------------- 
//  
//  Memory wrapping functions for DEBUG builds. 
// 
// Copyright (C) Microsoft Corp. 1986-1996.  All Rights Reserved. 
// ----------------------------------------------------------------------------- 
 
#define _PRIVATE_EDKDEBUG_H 
#define _PRIVATE_MEMORY_H 
 
#include "edk.h" 
#include "_exchdbg.h" 
 
#include <stddef.h> 
#include <malloc.h> 
 
//$--EDKDBG_MAPIAllocateBuffer-------------------------------------------------- 
//  Wrapper for MAPIAllocateBuffer(). 
// ----------------------------------------------------------------------------- 
SCODE EDKDBG_MAPIAllocateBuffer(        // RETURNS: status code 
    IN  ULONG ulLine,                   // line number 
    IN  LPSTR lpszFile,                 // file name 
    IN  ULONG ulSize,                   // size of memory block 
    OUT LPVOID *lppv)                   // pointer to memory block address 
                                        // variable 
{ 
    SCODE sc            = 0; 
    CHAR  buf[BUFSIZ+1] = {0}; 
 
    if(IsBadWritePtr(lppv, sizeof(LPVOID))) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: invalid pointer [%08lx]\n", lppv); 
 
        REPORT_ERROR(buf); 
 
        sc = E_INVALIDARG; 
 
        return(sc); 
    } 
 
    sc = MAPIAllocateBuffer( 
        ulSize, 
        lppv); 
 
    if(FAILED(sc)) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: allocation of [%lu] bytes failed [%08lx]\n",ulSize,GetLastError()); 
 
        REPORT_ERROR(buf); 
 
        _DebugMemoryStatus(ulLine,lpszFile,ulSize); 
    } 
 
    return(sc); 
} 
 
//$--EDKDBG_MAPIAllocateMore---------------------------------------------------- 
//  Wrapper for MAPIAllocateMore(). 
// ----------------------------------------------------------------------------- 
SCODE EDKDBG_MAPIAllocateMore(          // RETURNS: status code 
    IN  ULONG ulLine,                   // line number 
    IN  LPSTR lpszFile,                 // file name 
    IN  ULONG ulSize,                   // size of memory block 
    IN  LPVOID lpvOriginal,             // pointer to original memory block 
    OUT LPVOID *lppvData)               // pointer to memory block address 
                                        // variable 
{ 
    SCODE sc            = 0; 
    CHAR  buf[BUFSIZ+1] = {0}; 
 
    if(IsBadReadPtr(lpvOriginal, 1)) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: invalid original pointer [%08lx]\n", lpvOriginal); 
 
        REPORT_ERROR(buf); 
 
        sc = E_INVALIDARG; 
 
        return(sc); 
    } 
 
    if(IsBadWritePtr(lppvData, sizeof(LPVOID))) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: invalid pointer [%08lx]\n", lppvData); 
 
        REPORT_ERROR(buf); 
 
        sc = E_INVALIDARG; 
 
        return(sc); 
    } 
 
    sc = MAPIAllocateMore( 
        ulSize, 
        lpvOriginal, 
        lppvData); 
 
    if(FAILED(sc)) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: allocation of [%lu] bytes failed [%08lx]\n",ulSize,GetLastError()); 
 
        REPORT_ERROR(buf); 
 
        _DebugMemoryStatus(ulLine,lpszFile,ulSize); 
    } 
 
    return(sc); 
} 
 
//$--EDKDBG_MAPIFreeBuffer------------------------------------------------------ 
//  Wrapper for MAPIFreeBuffer(). 
// ----------------------------------------------------------------------------- 
SCODE EDKDBG_MAPIFreeBuffer(            // RETURNS: status code 
    IN ULONG ulLine,                    // line number 
    IN LPSTR lpszFile,                  // file name 
    IN LPVOID lpv)                      // pointer to memory block 
{ 
    SCODE sc            = 0; 
    CHAR  buf[BUFSIZ+1] = {0}; 
 
    if((lpv != NULL) && IsBadWritePtr(lpv, 1)) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: invalid pointer [%08lx]\n", lpv); 
 
        REPORT_ERROR(buf); 
 
        sc = E_INVALIDARG; 
 
        return(sc); 
    } 
 
    sc = MAPIFreeBuffer(lpv); 
 
    if(FAILED(sc)) 
    { 
    _snprintf(buf,BUFSIZ,"MEMORY: deallocation failed\n"); 
 
        REPORT_ERROR(buf); 
    } 
 
    return(sc); 
}