Fix crash if lpuCurDirLen or lpuDestDirLen==0.

4d998184 · Douglas Ridgway · Alexandre Julliard · f3f08f16 · 4d998184
Commit 4d998184 authored Mar 17, 1999 by Douglas Ridgway Committed by Alexandre Julliard Mar 17, 1999
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install.c dlls/version/install.c +4 -0

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--- a/dlls/version/install.c
+++ b/dlls/version/install.c
@@ -274,9 +274,11 @@ DWORD WINAPI VerFindFileA(
    if(lpuDestDirLen && lpszDestDir) {
 	if(*lpuDestDirLen < destDirSizeReq) {
 	    retval |= VFF_BUFFTOOSMALL;
+	    if (*lpuDestDirLen) {
 	    strncpy(lpszDestDir, destDir, *lpuDestDirLen - 1);
 	    lpszDestDir[*lpuDestDirLen - 1] = '\0';
 	}
+	}
 	else
 	    strcpy(lpszDestDir, destDir);

@@ -286,8 +288,10 @@ DWORD WINAPI VerFindFileA(
    if(lpuCurDirLen && lpszCurDir) {
 	if(*lpuCurDirLen < curDirSizeReq) {
 	    retval |= VFF_BUFFTOOSMALL;
+	    if (*lpuCurDirLen) {
 	    strncpy(lpszCurDir, curDir, *lpuCurDirLen - 1);
 	    lpszCurDir[*lpuCurDirLen - 1] = '\0';
+	    }
 	}
 	else
 	    strcpy(lpszCurDir, curDir);