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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 <stdlib.h>
# include <u8c/SIZE_C.h>
# include <u8c/err.h>
# include <u8c/str.h>
# include <uchar.h>
struct u8c_strcat_tuple u8c_strcat(char32_t const * const restrict _lstr,char32_t const * const restrict _rstr) {
struct u8c_strcat_tuple ret = {
.stat = false,
};
size_t lsz = u8c_strsz(_lstr).sz;
size_t rsz = u8c_strsz(_rstr).sz;
ret.strsz = lsz + rsz;
char32_t * out = NULL;
{
struct u8c_stralloc_tuple const tuple = u8c_stralloc(ret.strsz + SIZE_C(0x1));
if(tuple.stat) {
ret.stat = true;
return ret;
}
out = tuple.str;
}
for(register size_t n = SIZE_C(0x0);n < lsz;n += SIZE_C(0x1)) {
out[n] = _lstr[n];
}
for(register size_t n = SIZE_C(0x0);n < rsz;n += SIZE_C(0x1)) {
out[n + lsz] = _rstr[n];
}
ret.str = out;
return ret;
}
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