mirror of
https://github.com/reactos/reactos.git
synced 2024-07-09 06:05:11 +00:00
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
|
|
* msvcrt.dll math functions
|
|
*
|
|
* Copyright 2003 Alexandre Julliard <julliard@winehq.org>
|
|
* Copyright 2010 Piotr Caban <piotr@codeweavers.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*
|
|
*/
|
|
|
|
#include <precomp.h>
|
|
|
|
/***********************************************************************
|
|
* _gcvt (MSVCRT.@)
|
|
*/
|
|
char* CDECL _gcvt(double number, int ndigit, char* buff)
|
|
{
|
|
if (!buff) {
|
|
*_errno() = EINVAL;
|
|
return NULL;
|
|
}
|
|
|
|
if (ndigit < 0) {
|
|
*_errno() = ERANGE;
|
|
return NULL;
|
|
}
|
|
|
|
sprintf(buff, "%.*g", ndigit, number);
|
|
return buff;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* _gcvt_s (MSVCRT.@)
|
|
*/
|
|
int CDECL _gcvt_s(char* buff, size_t size, double number, int digits)
|
|
{
|
|
int len;
|
|
|
|
if (!buff) {
|
|
*_errno() = EINVAL;
|
|
return EINVAL;
|
|
}
|
|
|
|
if (digits < 0 || digits >= size) {
|
|
if (size)
|
|
buff[0] = '\0';
|
|
|
|
*_errno() = ERANGE;
|
|
return ERANGE;
|
|
}
|
|
|
|
len = _scprintf("%.*g", digits, number);
|
|
if (len > size) {
|
|
buff[0] = '\0';
|
|
*_errno() = ERANGE;
|
|
return ERANGE;
|
|
}
|
|
|
|
sprintf(buff, "%.*g", digits, number);
|
|
return 0;
|
|
}
|