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crypt32: Add base message type and use it to implement CryptMsgDuplicate and CryptMsgClose.

This commit is contained in:
Juan Lang 2007-06-28 16:45:29 -07:00 committed by Alexandre Julliard
parent 1c837f16ac
commit b790a09efb
1 changed files with 40 additions and 2 deletions
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42
dlls/crypt32/msg.c
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@ -24,6 +24,24 @@
WINE_DEFAULT_DEBUG_CHANNEL(crypt); WINE_DEFAULT_DEBUG_CHANNEL(crypt);
/* Called when a message's ref count reaches zero. Free any message-specific
* data here.
*/
typedef void (*CryptMsgCloseFunc)(HCRYPTMSG msg);
typedef struct _CryptMsgBase
{
LONG ref;
DWORD open_flags;
CryptMsgCloseFunc close;
} CryptMsgBase;
static inline void CryptMsgBase_Init(CryptMsgBase *msg, DWORD dwFlags)
{
msg->ref = 1;
msg->open_flags = dwFlags;
}
static inline const char *MSG_TYPE_STR(DWORD type) static inline const char *MSG_TYPE_STR(DWORD type)
{ {
switch (type) switch (type)
@ -89,13 +107,33 @@ HCRYPTMSG WINAPI CryptMsgOpenToDecode(DWORD dwMsgEncodingType, DWORD dwFlags,
HCRYPTMSG WINAPI CryptMsgDuplicate(HCRYPTMSG hCryptMsg) HCRYPTMSG WINAPI CryptMsgDuplicate(HCRYPTMSG hCryptMsg)
{ {
FIXME("(%p): stub\n", hCryptMsg); TRACE("(%p)\n", hCryptMsg);
if (hCryptMsg)
{
CryptMsgBase *msg = (CryptMsgBase *)hCryptMsg;
InterlockedIncrement(&msg->ref);
}
return hCryptMsg; return hCryptMsg;
} }
BOOL WINAPI CryptMsgClose(HCRYPTMSG hCryptMsg) BOOL WINAPI CryptMsgClose(HCRYPTMSG hCryptMsg)
{ {
FIXME("(%p): stub\n", hCryptMsg); TRACE("(%p)\n", hCryptMsg);
if (hCryptMsg)
{
CryptMsgBase *msg = (CryptMsgBase *)hCryptMsg;
if (InterlockedDecrement(&msg->ref) == 0)
{
TRACE("freeing %p\n", msg);
if (msg->close)
msg->close(msg);
CryptMemFree(msg);
}
}
return TRUE; return TRUE;
} }