ntdll: Fix possible overflow computing middle in NTDLL_mergesort().

6a3ca3ca · Stefan Oberhumer · Alexandre Julliard · c8fb366e · 6a3ca3ca
Commit 6a3ca3ca authored Oct 05, 2010 by Stefan Oberhumer Committed by Alexandre Julliard Oct 05, 2010
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misc.c dlls/ntdll/misc.c +1 -1

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--- a/dlls/ntdll/misc.c
+++ b/dlls/ntdll/misc.c
@@ -260,7 +260,7 @@ NTDLL_mergesort( void *arr, void *barr, size_t elemsize, int(__cdecl *compar)(co
 {
    if(right>left) {
        size_t i, j, k, m;
-        m=(right+left)/2;
+        m=left+(right-left)/2;
        NTDLL_mergesort( arr, barr, elemsize, compar, left, m);
        NTDLL_mergesort( arr, barr, elemsize, compar, m+1, right);