1 files changed, 46 insertions, 0 deletions
diff --git a/src/u8c/str.h.d/strcat.c b/src/u8c/str.h.d/strcat.c
new file mode 100644
index 0000000..5e5f693
--- /dev/null
+++ b/src/u8c/str.h.d/strcat.c
@@ -0,0 +1,46 @@
+/*
+	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;
+}