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HttpQueryInfo returns buffer length including null terminator on 

insufficient buffer length and buffer length excluding null terminator
on success:
- Fix HTTP_HttpQueryInfoW for these semantics.
- Fix HttpQueryInfoA to correctly copy the null terminator in the call
  to WideCharToMultiByte.
This commit is contained in:
Robert Shearman 2004-07-21 21:17:03 +00:00 committed by Alexandre Julliard
parent 8f6545cbcf
commit 4385d305e1
1 changed files with 10 additions and 5 deletions
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15
dlls/wininet/http.c
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@ -862,7 +862,10 @@ BOOL WINAPI HTTP_HttpQueryInfoW( LPWININETHTTPREQW lpwhr, DWORD dwInfoLevel,
return FALSE;
}
memcpy(lpBuffer, lpwhr->lpszRawHeaders, (len+1)*sizeof(WCHAR));
*lpdwBufferLength = (len + 1) * sizeof(WCHAR);
*lpdwBufferLength = len * sizeof(WCHAR);
TRACE("returning data: %s\n", debugstr_wn((WCHAR*)lpBuffer, len));
return TRUE;
}
else if (index == HTTP_QUERY_RAW_HEADERS)
@ -894,7 +897,7 @@ BOOL WINAPI HTTP_HttpQueryInfoW( LPWININETHTTPREQW lpwhr, DWORD dwInfoLevel,
TRACE("returning data: %s\n", debugstr_wn((WCHAR*)lpBuffer, size));
*lpdwBufferLength = (size + 1) * sizeof(WCHAR);
*lpdwBufferLength = size * sizeof(WCHAR);
HTTP_FreeTokens(ppszRawHeaderLines);
return TRUE;
@ -1160,16 +1163,18 @@ BOOL WINAPI HttpQueryInfoA(HINTERNET hHttpRequest, DWORD dwInfoLevel,
&len, lpdwIndex );
if( result )
{
len = WideCharToMultiByte( CP_ACP,0, bufferW, len / sizeof(WCHAR),
len = WideCharToMultiByte( CP_ACP,0, bufferW, len / sizeof(WCHAR) + 1,
lpBuffer, *lpdwBufferLength, NULL, NULL );
*lpdwBufferLength = len * sizeof(WCHAR);
*lpdwBufferLength = len - 1;
TRACE("lpBuffer: %s\n", debugstr_a(lpBuffer));
}
else
/* since the strings being returned from HttpQueryInfoW should be
* only ASCII characters, it is reasonable to assume that all of
* the Unicode characters can be reduced to a single byte */
*lpdwBufferLength = len / sizeof(WCHAR);
HeapFree(GetProcessHeap(), 0, bufferW );
return result;