38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2011, 2014.
|
|
|
|
This file is part of the Sortix C Library.
|
|
|
|
The Sortix C 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 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The Sortix C 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
stdlib/atoi.cpp
|
|
Converts integers represented as strings to binary representation.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
|
|
extern "C" int atoi(const char* str)
|
|
{
|
|
long long_result = strtol(str, (char**) NULL, 10);
|
|
if ( long_result < INT_MIN )
|
|
return errno = ERANGE, INT_MIN;
|
|
if ( INT_MAX < long_result )
|
|
return errno = ERANGE, INT_MAX;
|
|
return (int) long_result;
|
|
}
|