From 6726ddebccda0eaa6b75d1d14587aecce62ad826 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 02 Aug 2021 01:31:44 -0400
Subject: util: Add mf_strcat()

---
(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..5e8effc
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Maze Fight
+ *
+ * Maze Fight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Maze Fight 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "util.h"
+
+char *
+mf_strcat(const char *str1, const char *str2)
+{
+	size_t  str1_len;
+	size_t  str2_len;
+	char   *dest;
+
+	str1_len = strlen(str1);
+	str2_len = strlen(str2);
+
+	dest = malloc((str1_len + str2_len + 1) * sizeof(*dest));
+	if (dest == NULL) {
+		return NULL;
+	}
+
+	memcpy(dest, str1, str1_len);
+	memcpy(dest + str1_len, str2, str2_len);
+	dest[str1_len + str2_len] = '\0';
+
+	return dest;
+}
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