msvcrt: Don't export _matherr().

Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/msvcrt/math.c

@@ -62,24 +62,26 @@ void msvcrt_init_math(void)
 }
 
 /*********************************************************************
- *      _matherr (MSVCRT.@)
+ *      _matherr (CRTDLL.@)
  */
 int CDECL MSVCRT__matherr(struct MSVCRT__exception *e)
 {
-    int ret;
+    return 0;
+}
 
-    if (e)
-        TRACE("(%p = {%d, \"%s\", %g, %g, %g})\n", e, e->type, e->name, e->arg1, e->arg2, e->retval);
-    else
-        TRACE("(null)\n");
+
+static void math_error(int type, const char *name, double arg1, double arg2, double retval)
+{
+    TRACE("(%d, %s, %g, %g, %g)\n", type, debugstr_a(name), arg1, arg2, retval);
 
     if (MSVCRT_default_matherr_func)
     {
-        ret = MSVCRT_default_matherr_func(e);
-        if (ret) return ret;
+        struct MSVCRT__exception exception = {type, (char *)name, arg1, arg2, retval};
+
+        if (MSVCRT_default_matherr_func(&exception)) return;
     }
 
-    switch (e->type)
+    switch (type)
     {
     case _DOMAIN:
         *MSVCRT__errno() = MSVCRT_EDOM;
@@ -94,8 +96,6 @@ int CDECL MSVCRT__matherr(struct MSVCRT__exception *e)
     default:
         ERR("Unhandled math error!\n");
     }
-
-    return 0;
 }
 
 /*********************************************************************
@@ -107,12 +107,6 @@ void CDECL MSVCRT___setusermatherr(MSVCRT_matherr_func func)
     TRACE("new matherr handler %p\n", func);
 }
 
-static inline void math_error(int type, const char *name, double arg1, double arg2, double retval)
-{
-    struct MSVCRT__exception exception = {type, (char *)name, arg1, arg2, retval};
-    MSVCRT__matherr(&exception);
-}
-
 /*********************************************************************
  *      _set_SSE2_enable (MSVCRT.@)
  */

dlls/msvcrt/msvcrt.spec

@@ -683,7 +683,6 @@
 @ cdecl _makepath(ptr str str str str) MSVCRT__makepath
 @ cdecl _makepath_s(ptr long str str str str) MSVCRT__makepath_s
 # stub _malloc_dbg(long long str long)
-@ cdecl _matherr(ptr) MSVCRT__matherr
 @ cdecl _mbbtombc(long)
 # stub _mbbtombc_l(long ptr)
 @ cdecl _mbbtype(long long)

dlls/msvcrt20/msvcrt20.c

@@ -19,6 +19,7 @@
  */
 
 #include <stdarg.h>
+#include <math.h>
 
 #include "windef.h"
 
@@ -48,3 +49,12 @@ void CDECL MSVCRT20__wgetmainargs( int *argc, WCHAR** *wargv, WCHAR** *wenvp,
 {
     __wgetmainargs( argc, wargv, wenvp, expand_wildcards, &new_mode );
 }
+
+
+/*********************************************************************
+ *      _matherr (MSVCRT20.@)
+ */
+int CDECL MSVCRT20__matherr(struct _exception *e)
+{
+    return 0;
+}

dlls/msvcrt20/msvcrt20.spec

@@ -1012,7 +1012,7 @@
 @ cdecl _ltoa(long ptr long) msvcrt._ltoa
 @ cdecl _ltow(long ptr long) msvcrt._ltow
 @ cdecl _makepath(ptr str str str str) msvcrt._makepath
-@ cdecl _matherr(ptr) msvcrt._matherr
+@ cdecl _matherr(ptr) MSVCRT20__matherr
 @ cdecl _mbbtombc(long) msvcrt._mbbtombc
 @ cdecl _mbbtype(long long) msvcrt._mbbtype
 @ cdecl _mbccpy(ptr ptr) msvcrt._mbccpy