? 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 14:16:28
@@ -3357,14 +3357,24 @@ 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))
-    return EFAULT;
+  if (!name || IsBadStringPtr (name, MAX_PATH + 1))
+    {
+      return EFAULT;
+    }
 
   if (!*name)
     return ENOENT;
 
   return 0;
+}
+
+int __stdcall
+check_null_empty_path_errno(const char *name)
+{ 
+  int __err; 
+  if ((__err = check_null_empty_path (name))) 
+    set_errno (__err); 
+  return __err; 
 }
 
 /*****************************************************************************/
Index: path.h
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/path.h,v
retrieving revision 1.30
diff -u -p -r1.30 path.h
--- path.h	2001/06/24 22:26:52	1.30
+++ path.h	2001/06/27 14:16:28
@@ -151,20 +151,12 @@ class path_conv
 int __stdcall get_device_number (const char *name, int &unit, BOOL from_conv = FALSE)  __attribute__ ((regparm(3)));
 int __stdcall slash_unc_prefix_p (const char *path) __attribute__ ((regparm(1)));
 int __stdcall check_null_empty_path (const char *name) __attribute__ ((regparm(1)));
+int __stdcall check_null_empty_path_errno (const char *name) __attribute__ ((regparm(1)));
 
 const char * __stdcall find_exec (const char *name, path_conv& buf, const char *winenv = "PATH=",
 			int null_if_notfound = 0, const char **known_suffix = NULL)  __attribute__ ((regparm(3)));
 
 /* Common macros for checking for invalid path names */
-
-#define check_null_empty_path_errno(src) \
-({ \
-  int __err; \
-  if ((__err = check_null_empty_path(src))) \
-    set_errno (__err); \
-  __err; \
-})
-
 #define isdrive(s) (isalpha (*(s)) && (s)[1] == ':')
 
 static inline bool
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 14:16:29
@@ -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 14:16:30
@@ -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;
 }