msvcrt: Added _resetstkoflw implementation.

dlls/msvcr100/msvcr100.spec

@@ -1045,7 +1045,7 @@
 @ cdecl _realloc_crt(ptr long) msvcrt.realloc
 @ cdecl _recalloc(ptr long long) msvcr90._recalloc
 @ stub _recalloc_crt
-@ stub _resetstkoflw
+@ cdecl _resetstkoflw() msvcrt._resetstkoflw
 @ cdecl _rmdir(str) msvcrt._rmdir
 @ cdecl _rmtmp() msvcrt._rmtmp
 @ cdecl _rotl(long long) msvcrt._rotl

dlls/msvcr70/msvcr70.spec

@@ -499,7 +499,7 @@
 @ cdecl _putws(wstr) msvcrt._putws
 @ stub _pwctype
 @ cdecl _read(long ptr long) msvcrt._read
-@ stub _resetstkoflw
+@ cdecl _resetstkoflw() msvcrt._resetstkoflw
 @ cdecl _rmdir(str) msvcrt._rmdir
 @ cdecl _rmtmp() msvcrt._rmtmp
 @ cdecl _rotl(long long) msvcrt._rotl

dlls/msvcr71/msvcr71.spec

@@ -494,7 +494,7 @@
 @ cdecl _putws(wstr) msvcrt._putws
 @ extern _pwctype msvcrt._pwctype
 @ cdecl _read(long ptr long) msvcrt._read
-@ stub _resetstkoflw
+@ cdecl _resetstkoflw() msvcrt._resetstkoflw
 @ cdecl _rmdir(str) msvcrt._rmdir
 @ cdecl _rmtmp() msvcrt._rmtmp
 @ cdecl _rotl(long long) msvcrt._rotl

dlls/msvcr80/msvcr80.spec

@@ -893,7 +893,7 @@
 @ cdecl _realloc_crt(ptr long) msvcrt.realloc
 @ cdecl _recalloc(ptr long long) msvcr90._recalloc
 @ stub _recalloc_crt
-@ stub _resetstkoflw
+@ cdecl _resetstkoflw() msvcrt._resetstkoflw
 @ cdecl _rmdir(str) msvcrt._rmdir
 @ cdecl _rmtmp() msvcrt._rmtmp
 @ cdecl _rotl(long long) msvcrt._rotl

dlls/msvcr90/msvcr90.spec

@@ -879,7 +879,7 @@
 @ cdecl _realloc_crt(ptr long) msvcrt.realloc
 @ cdecl _recalloc(ptr long long)
 @ stub _recalloc_crt
-@ stub _resetstkoflw
+@ cdecl _resetstkoflw() msvcrt._resetstkoflw
 @ cdecl _rmdir(str) msvcrt._rmdir
 @ cdecl _rmtmp() msvcrt._rmtmp
 @ cdecl _rotl(long long) msvcrt._rotl

dlls/msvcrt/misc.c

@@ -256,9 +256,19 @@ void CDECL MSVCRT_qsort_s(void *base, MSVCRT_size_t nmemb, MSVCRT_size_t size,
 
 /*********************************************************************
  * _get_output_format (MSVCRT.@)
- *
  */
 unsigned int CDECL _get_output_format(void)
 {
    return 0;
 }
+
+/*********************************************************************
+ * _resetstkoflw (MSVCRT.@)
+ */
+int CDECL _resetstkoflw(void)
+{
+    int stack_addr;
+
+    /* causes stack fault that updates NtCurrentTeb()->Tib.StackLimit */
+    return VirtualProtect( &stack_addr, 1, PAGE_GUARD|PAGE_READWRITE, NULL );
+}

dlls/msvcrt/msvcrt.spec

@@ -827,7 +827,7 @@
 # extern _pwctype
 @ cdecl _read(long ptr long) MSVCRT__read
 # stub _realloc_dbg
-# stub _resetstkoflw
+@ cdecl _resetstkoflw()
 @ cdecl _rmdir(str) MSVCRT__rmdir
 @ cdecl _rmtmp()
 @ cdecl _rotl(long long)