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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 <stdbool.h>
# include <stddef.h>
# include <stdint.h>
# include <u8c/SIZE_C.h>
# include <u8c/err.h>
# include <u8c/str.h>
struct u8c_strcmp_tuple u8c_strcmp(char32_t const * const restrict _lstr,char32_t const * const restrict _rstr) {
struct u8c_strcmp_tuple ret = {
.stat = false,
};
for(register size_t n = SIZE_C(0x0);n <= SIZE_MAX;n += SIZE_C(0x1)) {
register char32_t const lchr = _lstr[n];
register char32_t const rchr = _rstr[n];
if(lchr != rchr) {
if(lchr < rchr) {
ret.res = UINT8_C(0x0);
return ret;
}
ret.res = UINT8_C(0x2);
return ret;
}
if(lchr == U'\x0') {
ret.res = UINT8_C(0x1);
return ret;
}
}
u8c_seterr(u8c_errtyp_untermin,U"u8c_strcmp: Unterminated input.");
ret.stat = true;
return ret;
}
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