? virtualquery.patch
Index: path.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/path.cc,v
retrieving revision 1.154
diff -u -p -r1.154 path.cc
--- path.cc	2001/06/24 22:26:52	1.154
+++ path.cc	2001/06/27 13:26:33
@@ -3357,8 +3357,7 @@ cygwin_split_path (const char *path, cha
 int __stdcall
 check_null_empty_path (const char *name)
 {
-  MEMORY_BASIC_INFORMATION m;
-  if (!name || !VirtualQuery (name, &m, sizeof (m)) || (m.State != MEM_COMMIT))
+  if (!name || IsBadWritePtr ((void *) name, sizeof (struct rlimit)))
     return EFAULT;
 
   if (!*name)
Index: resource.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/resource.cc,v
retrieving revision 1.10
diff -u -p -r1.10 resource.cc
--- resource.cc	2001/06/24 22:26:52	1.10
+++ resource.cc	2001/06/27 13:26:33
@@ -105,8 +105,7 @@ extern "C"
 int
 getrlimit (int resource, struct rlimit *rlp)
 {
-  MEMORY_BASIC_INFORMATION m;
-  if (!rlp || !VirtualQuery (rlp, &m, sizeof (m)) || (m.State != MEM_COMMIT))
+  if (!rlp || IsBadWritePtr (rlp, sizeof (struct rlimit)))
     {
       set_errno (EFAULT);
       return -1;
@@ -141,8 +140,7 @@ extern "C"
 int
 setrlimit (int resource, const struct rlimit *rlp)
 {
-  MEMORY_BASIC_INFORMATION m;
-  if (!rlp || !VirtualQuery (rlp, &m, sizeof (m)) || (m.State != MEM_COMMIT))
+  if (!rlp || IsBadWritePtr ((void *) rlp, sizeof (struct rlimit)))
     {
       set_errno (EFAULT);
       return -1;
Index: thread.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/thread.cc,v
retrieving revision 1.38
diff -u -p -r1.38 thread.cc
--- thread.cc	2001/06/26 14:57:33	1.38
+++ thread.cc	2001/06/27 13:26:34
@@ -739,9 +739,7 @@ verifyable_object::~verifyable_object ()
 int __stdcall
 check_valid_pointer (void *pointer)
 {
-  MEMORY_BASIC_INFORMATION m;
-  if (!pointer || !VirtualQuery (pointer, &m, sizeof (m))
-      || (m.State != MEM_COMMIT))
+  if (!pointer || IsBadWritePtr(pointer, sizeof (verifyable_object)))
     return EFAULT;
   return 0;
 }