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xstrjoin.c

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2004 Timo Hirvonen
+ *
+ * This program 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 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "xstrjoin.h"
+#include "xmalloc.h"
+#include "utils.h"
+
+char *xstrjoin_slice(struct slice slice)
+{
+	const char **str = slice.ptr;
+	size_t i, pos = 0, len = 0;
+	char *joined;
+	size_t *lens;
+
+	lens = xnew(size_t, slice.len);
+	for (i = 0; i < slice.len; i++) {
+		lens[i] = strlen(str[i]);
+		len += lens[i];
+	}
+
+	joined = xnew(char, len + 1);
+	for (i = 0; i < slice.len; i++) {
+		memcpy(joined + pos, str[i], lens[i]);
+		pos += lens[i];
+	}
+	joined[len] = 0;
+
+	free(lens);
+
+	return joined;
+}