diff --git a/src/utils.c b/src/utils.c
index a6c2d6d..2155885 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -78,7 +78,7 @@
 
 static char hexd_buff[4096];
 
-char *hexdump(const unsigned char *buf, int len)
+static char *_hexdump(const unsigned char *buf, int len, char *delim)
 {
 	int i;
 	char *cur = hexd_buff;
@@ -86,7 +86,7 @@
 	hexd_buff[0] = 0;
 	for (i = 0; i < len; i++) {
 		int len_remain = sizeof(hexd_buff) - (cur - hexd_buff);
-		int rc = snprintf(cur, len_remain, "%02x ", buf[i]);
+		int rc = snprintf(cur, len_remain, "%02x%s", buf[i], delim);
 		if (rc <= 0)
 			break;
 		cur += rc;
@@ -94,3 +94,13 @@
 	hexd_buff[sizeof(hexd_buff)-1] = 0;
 	return hexd_buff;
 }
+
+char *hexdump(const unsigned char *buf, int len)
+{
+	return _hexdump(buf, len, " ");
+}
+
+char *hexdump_nospc(const unsigned char *buf, int len)
+{
+	return _hexdump(buf, len, "");
+}