[MSVCRT]

[reactos.git] / reactos / lib / sdk / crt / float / i386 / cntrlfp.c

diff --git a/reactos/lib/sdk/crt/float/i386/cntrlfp.c b/reactos/lib/sdk/crt/float/i386/cntrlfp.c
index 18745ea..f3c3ccf 100644 (file)
--- a/reactos/lib/sdk/crt/float/i386/cntrlfp.c
+++ b/reactos/lib/sdk/crt/float/i386/cntrlfp.c
@@ -120,15 +120,15 @@ unsigned int CDECL _control87(unsigned int newval, unsigned int mask)
 int CDECL _controlfp_s(unsigned int *cur, unsigned int newval, unsigned int mask)
 {
 #ifdef __i386__
-    unsigned int flags;
-
-    FIXME("(%p %u %u) semi-stub\n", cur, newval, mask);
-
-    flags = _control87( newval, mask & ~_EM_DENORMAL );
-
-    if(cur)
-        *cur = flags;
-
+    unsigned int val;
+
+    if (!MSVCRT_CHECK_PMT( !(newval & mask & ~(_MCW_EM | _MCW_IC | _MCW_RC | _MCW_PC | _MCW_DN))))
+    {
+        if (cur) *cur = _controlfp( 0, 0 );  /* retrieve it anyway */
+        return MSVCRT_EINVAL;
+    }
+    val = _controlfp( newval, mask );
+    if (cur) *cur = val;
     return 0;
 #else
     FIXME(":Not Implemented!\n");