1 files changed, 40 insertions, 0 deletions
diff --git a/src/u8c/u32fndchr.c b/src/u8c/u32fndchr.c
new file mode 100644
index 0000000..ca83998
--- /dev/null
+++ b/src/u8c/u32fndchr.c
@@ -0,0 +1,40 @@
+/*
+	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/seterr.h>
+# include <u8c/u32fndchr.h>
+# include <u8c/u32sz.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)) {
+		if(_in[n] == UINT32_C(0x0) && _chr != UINT32_C(0x0)) {
+			*_pos = SIZE_C(-0x1);
+			return true;
+		}
+		if(_in[n] == _chr) {
+			*_pos = n;
+			return false;
+		}
+	}
+	u8c_seterr(U"u8c_u32fndchr: Unterminated input.");
+	*_pos = SIZE_C(-0x1);
+	return true;
+}