Avoid zero size allocations.

7d2f5a7b · Alexandre Julliard · deca2502 · 7d2f5a7b
Commit 7d2f5a7b authored Jun 04, 2004 by Alexandre Julliard
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mmap.c libs/wine/mmap.c +2 -0

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--- a/libs/wine/mmap.c
+++ b/libs/wine/mmap.c
@@ -202,6 +202,8 @@ static void reserve_area( void *addr, void *end )
    void *ptr;
    size_t size = (char *)end - (char *)addr;

+    if (!size) return;
+
    if ((ptr = wine_anon_mmap( addr, size, PROT_NONE, MAP_NORESERVE )) != (void *)-1)
    {
        if (ptr == addr)