msvcrt: Add _ismbstrail_l implementation.

dlls/msvcr100/msvcr100.spec

@@ -1009,7 +1009,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l(ptr ptr ptr)
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/msvcr110/msvcr110.spec

@@ -1355,7 +1355,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/msvcr120/msvcr120.spec

@@ -1361,7 +1361,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/msvcr80/msvcr80.spec

@@ -681,7 +681,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/msvcr90/msvcr90.spec

@@ -659,7 +659,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/msvcrt/mbcs.c

@@ -1848,18 +1848,29 @@ int CDECL _ismbslead(const unsigned char* start, const unsigned char* str)
 }
 
 /*********************************************************************
- *		_ismbstrail(MSVCRT.@)
+ *		_ismbstrail_l(MSVCRT.@)
  */
-int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
+int CDECL _ismbstrail_l(const unsigned char* start, const unsigned char* str, _locale_t locale)
 {
+  if (!MSVCRT_CHECK_PMT(start && str))
+    return 0;
+
   /* Note: this function doesn't check _ismbbtrail */
-  if ((str > start) && _ismbslead(start, str-1))
+  if ((str > start) && _ismbslead_l(start, str-1, locale))
     return -1;
   else
     return 0;
 }
 
 /*********************************************************************
+ *		_ismbstrail(MSVCRT.@)
+ */
+int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
+{
+  return _ismbstrail_l(start, str, NULL);
+}
+
+/*********************************************************************
  *		_mbbtype_l(MSVCRT.@)
  */
 int CDECL _mbbtype_l(unsigned char c, int type, _locale_t locale)

dlls/msvcrt/msvcrt.spec

@@ -630,7 +630,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-# stub _ismbstrail_l(long ptr)
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)

dlls/ucrtbase/ucrtbase.spec

@@ -501,7 +501,7 @@
 @ cdecl _ismbslead(ptr ptr)
 @ cdecl _ismbslead_l(ptr ptr ptr)
 @ cdecl _ismbstrail(ptr ptr)
-@ stub _ismbstrail_l
+@ cdecl _ismbstrail_l(ptr ptr ptr)
 @ cdecl _isnan(double)
 @ cdecl -arch=x86_64 _isnanf(float)
 @ cdecl _isprint_l(long ptr)
@@ -1100,7 +1100,7 @@
 @ cdecl _o__ismbslead(ptr ptr) _ismbslead
 @ cdecl _o__ismbslead_l(ptr ptr ptr) _ismbslead_l
 @ cdecl _o__ismbstrail(ptr ptr) _ismbstrail
-@ stub _o__ismbstrail_l
+@ cdecl _o__ismbstrail_l(ptr ptr ptr) _ismbstrail_l
 @ cdecl _o__iswctype_l(long long ptr) _iswctype_l
 @ cdecl _o__itoa(long ptr long) _itoa
 @ cdecl _o__itoa_s(long ptr long long) _itoa_s