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-rw-r--r--src/u8c/str.h.d/strfndchr.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/u8c/str.h.d/strfndchr.c b/src/u8c/str.h.d/strfndchr.c
new file mode 100644
index 0000000..93bb77c
--- /dev/null
+++ b/src/u8c/str.h.d/strfndchr.c
@@ -0,0 +1,45 @@
+/*
+ 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_strfndchr_tuple u8c_strfndchr(char32_t const * const restrict _in,char32_t const _chr) {
+ struct u8c_strfndchr_tuple ret = {
+ .stat = false,
+ };
+ for(register size_t n = SIZE_C(0x0);n <= SIZE_MAX;n += SIZE_C(0x1)) {
+ register uint_least32_t const tmp = _in[n];
+ if(tmp == U'\x0') {
+ if(_chr == U'\x0') {
+ ret.pos = n;
+ return ret;
+ }
+ ret.pos = SIZE_C(-0x1);
+ return ret;
+ }
+ if(tmp == _chr) {
+ ret.pos = n;
+ return ret;
+ }
+ }
+ u8c_seterr(u8c_errtyp_untermin,U"u8c_strfndchr: Unterminated input.");
+ ret.pos = SIZE_C(-0x1);
+ ret.stat = true;
+ return ret;
+}