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/*
Copyright 2021 Gabriel Jensen
This file is part of u8c.
u8c is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
u8c 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with u8c.
If not, see <https://www.gnu.org/licenses/>.
*/
# include <assert.h>
# include <stddef.h>
# include <stdint.h>
# include <u8c/isdigit.h>
uint_least8_t u8c_isdigit(uint_least8_t * const _res,uint_least32_t _chr) {
assert(_res != NULL);
switch(_chr) {
default:
*_res = UINT8_C(0x0);
break;
case UINT32_C(0x30): /* DIGIT ZERO */
case UINT32_C(0x31): /* DIGIT ONE */
case UINT32_C(0x32): /* DIGIT TWO */
case UINT32_C(0x33): /* DIGIT THREE */
case UINT32_C(0x34): /* DIGIT FOUR */
case UINT32_C(0x35): /* DIGIT FIVE */
case UINT32_C(0x36): /* DIGIT SIX */
case UINT32_C(0x37): /* DIGIT SEVEN */
case UINT32_C(0x38): /* DIGIT EIGHT */
case UINT32_C(0x39): /* DIGIT NINE */
case UINT32_C(0x218A): /* TURNED DIGIT TWO */
case UINT32_C(0x218B): /* TURNED DIGIT THREE */
*_res = UINT8_C(0x1);
break;
}
return UINT8_C(0x0);
}
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