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[CRT] Improve _matherr handling

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This commit is contained in:
Timo Kreuzer 2022-08-23 23:36:33 +02:00
parent 4d50f81419
commit 3d497ca883
2 changed files with 15 additions and 6 deletions
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45
sdk/lib/crt/math/_invoke_matherr.c Normal file
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/*
* PROJECT: ReactOS CRT library
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: Implementation of _invoke_matherr and __setusermatherr
* COPYRIGHT: Copyright 2021 Timo Kreuzer <timo.kreuzer@reactos.org>
*/
#include <math.h>
/* MS headers have this in corecrt_startup.h */
typedef int (*_UserMathErrorFunctionPointer)(struct _exception *);
static _UserMathErrorFunctionPointer user_matherr = NULL;;
void
__cdecl
__setusermatherr(_UserMathErrorFunctionPointer func)
{
user_matherr = func;
}
int
__cdecl
_invoke_matherr(
int type,
char* name,
double arg1,
double arg2,
double retval)
{
if (user_matherr != NULL)
{
struct _exception excpt;
excpt.type = type;
excpt.name = name;
excpt.arg1 = arg1;
excpt.arg2 = arg2;
excpt.retval = retval;
return user_matherr(&excpt);
}
else
{
return 0;
}
}