user/edit.c: Return 0 length line as 0 length line for EM_GETLINE [Bug: 2139]

[Vitaliy Margolen]

Vitaliy Margolen

changelog:
  user/edit.c
  - Return 0 length line as 0 length line for EM_GETLINE [Bug: 2139]
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Index: dlls/user/edit.c
===================================================================
RCS file: /home/wine/wine/dlls/user/edit.c,v
retrieving revision 1.39
diff -u -p -r1.39 edit.c
--- dlls/user/edit.c	12 Sep 2005 12:20:38 -0000	1.39
+++ dlls/user/edit.c	17 Oct 2005 18:37:14 -0000
@@ -2741,7 +2741,7 @@ static INT EDIT_EM_GetLine(EDITSTATE *es
 	else
 	{
 	    INT ret = WideCharToMultiByte(CP_ACP, 0, src, line_len, (LPSTR)dst, dst_len, NULL, NULL);
-	    if(!ret) /* Insufficient buffer size */
+	    if(!ret && line_len) /* Insufficient buffer size */
 		return dst_len;
 	    if(ret < dst_len) /* Append 0 if enough space */
 		((LPSTR)dst)[ret] = 0;