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fixed converting the unicode string back to ansi in GetNamedPipeHandleStateA, also check if memory allocation failed (reported by M Bealby in bug #1110)

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svn path=/trunk/; revision=20077
This commit is contained in:
Thomas Bluemel 2005-12-11 19:36:43 +00:00
parent d33dc74f17
commit f4d98daa91
1 changed files with 12 additions and 5 deletions
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17
reactos/lib/kernel32/file/npipe.c
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@ -905,15 +905,19 @@ GetNamedPipeHandleStateA(HANDLE hNamedPipe,
LPSTR lpUserName,
DWORD nMaxUserNameSize)
{
UNICODE_STRING UserNameW;
UNICODE_STRING UserNameW = {0};
ANSI_STRING UserNameA;
BOOL Ret;
if(lpUserName != NULL)
{
UserNameW.Length = 0;
UserNameW.MaximumLength = nMaxUserNameSize * sizeof(WCHAR);
UserNameW.Buffer = HeapAlloc(GetCurrentProcess(), 0, UserNameW.MaximumLength);
UserNameW.Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, UserNameW.MaximumLength);
if (UserNameW.Buffer == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
UserNameA.Buffer = lpUserName;
UserNameA.Length = 0;
@ -930,7 +934,10 @@ GetNamedPipeHandleStateA(HANDLE hNamedPipe,
if(Ret && lpUserName != NULL)
{
NTSTATUS Status = RtlUnicodeStringToAnsiString(&UserNameA, &UserNameW, FALSE);
NTSTATUS Status;
RtlInitUnicodeString(&UserNameW, UserNameW.Buffer);
Status = RtlUnicodeStringToAnsiString(&UserNameA, &UserNameW, FALSE);
if(!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
@ -940,7 +947,7 @@ GetNamedPipeHandleStateA(HANDLE hNamedPipe,
if(UserNameW.Buffer != NULL)
{
HeapFree(GetCurrentProcess(), 0, UserNameW.Buffer);
RtlFreeHeap(RtlGetProcessHeap(), 0, UserNameW.Buffer);
}
return Ret;