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Diffstat (limited to 'src/u8c/u32.h.d/u32fndchr.c')
-rw-r--r--src/u8c/u32.h.d/u32fndchr.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/u8c/u32.h.d/u32fndchr.c b/src/u8c/u32.h.d/u32fndchr.c
new file mode 100644
index 0000000..228c553
--- /dev/null
+++ b/src/u8c/u32.h.d/u32fndchr.c
@@ -0,0 +1,44 @@
+/*
+ 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 <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+# include <u8c/SIZE_C.h>
+# include <u8c/err.h>
+# include <u8c/u32.h>
+bool u8c_u32fndchr(size_t * const _pos,char32_t const * const _in,char32_t const _chr) {
+ assert(_pos != NULL);
+ assert(_in != NULL);
+ 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') {
+ *_pos = n;
+ return false;
+ }
+ *_pos = SIZE_C(-0x1);
+ return true;
+ }
+ if(tmp == _chr) {
+ *_pos = n;
+ return false;
+ }
+ }
+ u8c_seterr(U"u8c_u32fndchr: Unterminated input.",u8c_errtyp_badio);
+ *_pos = SIZE_C(-0x1);
+ return true;
+}