54 lines
2.6 KiB
C
54 lines
2.6 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Convertion utilities - atoi() family //
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// //
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// //
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// Copyright © 2018-2020 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <libc.h>
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//
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// int atoi(const char *str)
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//
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// Equivalent to strtol(str, NULL, 0)
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//
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// String to integer
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// Do not change errno
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#define _ATOI_IMPL(_Name, _Type, _Func) \
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_Type _Name(const char *str) { \
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error_t old; geterrno(old); \
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_Type ret = (_Type)_Func(str, NULL, 0); \
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seterrno(old); \
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return ret; \
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}
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#if defined(_NEED_ATOI)
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_ATOI_IMPL(atoi, int, strtol)
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#elif defined(_NEED_ATOL)
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_ATOI_IMPL(atol, long, strtol)
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#elif defined(_NEED_ATOU)
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_ATOI_IMPL(atou, uint, strtoul)
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#elif defined(_NEED_ATOUL)
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_ATOI_IMPL(atoul, ulong, strtoul)
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#else
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#error "What am I supposed to declare?"
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#endif
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