1 files changed, 21 insertions, 0 deletions

diff --git a/src/util/str.c b/src/util/str.c
new file mode 100644
index 0000000..933eb83
--- /dev/null
+++ b/src/util/str.c
@@ -0,0 +1,21 @@
+/*
+ * ecgen, tool for generating Elliptic curve domain parameters
+ * Copyright (C) 2017 J08nY
+ */
+#include "str.h"
+#include <string.h>
+#include "util/memory.h"
+
+char *str_join(char *strings[], size_t len) {
+	size_t total = 0;
+	for (size_t i = 0; i < len; ++i) {
+		if (strings[i]) total += strlen(strings[i]);
+	}
+	char *result = try_calloc(total);
+	for (size_t i = 0; i < len; ++i) {
+		if (strings[i]) {
+			strcat(result, strings[i]);
+		}
+	}
+	return result;
+}
\ No newline at end of file