msi: fix a crash in MsiGetComponentPathA
Aric Stewart
aric at codeweavers.com
Mon Jun 6 14:50:55 CDT 2005
correct a crash if the length buffer is NULL
-------------- next part --------------
Index: dlls/msi/msi.c
===================================================================
RCS file: /home/wine/wine/dlls/msi/msi.c,v
retrieving revision 1.85
diff -u -r1.85 msi.c
--- dlls/msi/msi.c 3 Jun 2005 11:24:57 -0000 1.85
+++ dlls/msi/msi.c 6 Jun 2005 19:50:58 -0000
@@ -971,11 +971,16 @@
}
if( pcchBuf && *pcchBuf > 0 )
+ {
lpwPathBuf = HeapAlloc( GetProcessHeap(), 0, *pcchBuf * sizeof(WCHAR));
+ incoming_len = *pcchBuf;
+ }
else
+ {
lpwPathBuf = NULL;
+ incoming_len = 0;
+ }
- incoming_len = *pcchBuf;
rc = MsiGetComponentPathW(szwProduct, szwComponent, lpwPathBuf, pcchBuf);
HeapFree( GetProcessHeap(), 0, szwProduct);
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