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msvcrt: Add parameter checking in _controlfp_s.

This commit is contained in:
Alexandre Julliard 2010-11-26 14:57:24 +01:00
parent 1ae23af85b
commit 4dba956ea6
1 changed files with 8 additions and 18 deletions
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26
dlls/msvcrt/math.c
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@ -909,12 +909,7 @@ unsigned int CDECL _control87(unsigned int newval, unsigned int mask)
*/
unsigned int CDECL _controlfp(unsigned int newval, unsigned int mask)
{
#ifdef __i386__
return _control87( newval, mask & ~MSVCRT__EM_DENORMAL );
#else
FIXME(":Not Implemented!\n");
return 0;
#endif
}
/*********************************************************************
@ -922,21 +917,16 @@ unsigned int CDECL _controlfp(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 & ~MSVCRT__EM_DENORMAL );
if(cur)
*cur = flags;
static const unsigned int all_flags = (MSVCRT__MCW_EM | MSVCRT__MCW_IC | MSVCRT__MCW_RC |
MSVCRT__MCW_PC | MSVCRT__MCW_DN);
if (!MSVCRT_CHECK_PMT(cur != NULL) || !MSVCRT_CHECK_PMT( !(mask & ~all_flags) ))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
*cur = _controlfp( newval, mask );
return 0;
#else
FIXME(":Not Implemented!\n");
return 0;
#endif
}
/*********************************************************************