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* cygheap.cc (_csbrk): Don't request zero bytes from VirtualAlloc,

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as windows treats that as an invalid parameter and returns an error.
This commit is contained in:
Dave Korn
2007-12-11 15:16:19 +00:00
parent 4b93ac1f7f
commit 3623cfa399
2 changed files with 6 additions and 1 deletions
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2
winsup/cygwin/cygheap.cc
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@@ -129,7 +129,7 @@ _csbrk (int sbs)
newbase = _cygheap_end;
DWORD adjsbs = allocsize ((char *) cygheap_max - newbase);
if (!VirtualAlloc (newbase, adjsbs, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE))
if (adjsbs && !VirtualAlloc (newbase, adjsbs, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE))
{
MEMORY_BASIC_INFORMATION m;
if (!VirtualQuery (newbase, &m, sizeof m))