You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.9 KiB
77 lines
1.9 KiB
#ifndef INETCHAR_H
|
|
|
|
#define INETCHAR_H
|
|
|
|
/* Copyright (c) 1998 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
inetchar.h
|
|
|
|
Abstract:
|
|
|
|
macros for converting between Unicode and MultiByte characters.
|
|
|
|
Contents:
|
|
REASSIGN_ALLOC
|
|
REASSIGN_SIZE
|
|
ALLOC_MB
|
|
UNICODE_TO_ANSI
|
|
|
|
Author:
|
|
|
|
Ahsan S. Kabir
|
|
|
|
Revision History:
|
|
|
|
18Nov97 akabir
|
|
Created
|
|
|
|
*/
|
|
|
|
//
|
|
|
|
// ---- Macros to simplify recovering values from memory packets -------------
|
|
|
|
#define REASSIGN_ALLOC(mp,ps,dw) \
|
|
ps = mp.psStr; \
|
|
dw = mp.dwAlloc;
|
|
|
|
#define REASSIGN_SIZE(mp,ps,dw) \
|
|
ps = mp.psStr; \
|
|
dw = mp.dwSize;
|
|
|
|
|
|
// -- (MAYBE_)ALLOC_MB ------------
|
|
// Macros to allocate enough memory for an ansi-equivalent string
|
|
|
|
#define ALLOC_MB(URLW,DWW,MPMP) { \
|
|
MPMP.dwAlloc = ((DWW ? DWW : lstrlenW(URLW))+ 1)*sizeof(WCHAR); \
|
|
ALLOC_BYTES(MPMP.psStr, MPMP.dwAlloc*sizeof(CHAR)); }
|
|
|
|
|
|
// -- UNICODE_TO_ANSI -----
|
|
// Base case macro to convert from unicode to ansi
|
|
// We're subtracting 1 because we're converting the nullchar in dwAlloc.
|
|
|
|
#define UNICODE_TO_ANSI(pszW, mpA) \
|
|
mpA.dwSize = \
|
|
WideCharToMultiByte(CP_ACP,0,pszW,(mpA.dwAlloc/sizeof(*pszW))-1,mpA.psStr,mpA.dwAlloc,NULL,NULL); \
|
|
mpA.psStr[mpA.dwSize]= '\0';
|
|
|
|
#define UNICODE_TO_ANSI_CHECKED(pszW, mpA, pfNotSafe) \
|
|
mpA.dwSize = \
|
|
WideCharToMultiByte(CP_ACP,0,pszW,(mpA.dwAlloc/sizeof(*pszW))-1,mpA.psStr,mpA.dwAlloc,NULL,pfNotSafe); \
|
|
mpA.psStr[mpA.dwSize]= '\0';
|
|
|
|
// -- ZERO_MEMORY_ALLOC -----
|
|
// Zeroes out the memory alloc.
|
|
// To protect sensitive information from showing up in the heap unexpectedly.
|
|
#define ZERO_MEMORY_ALLOC(mpA) \
|
|
if (mpA.psStr) \
|
|
{ \
|
|
memset (mpA.psStr, 0, mpA.dwAlloc); \
|
|
}
|
|
|
|
#endif
|
|
|