From 24e98f1e5b7dba6af0d2524127098c04530680a2 Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@tele2.at>
Date: Sat, 20 Oct 2018 17:40:45 +0200
Subject: [PATCH] Fix parameter substitution escape of '%'

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
---
 lib/libcfg/rdline.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/libcfg/rdline.c b/lib/libcfg/rdline.c
index 16ca5cf..3c3fcb3 100644
--- a/lib/libcfg/rdline.c
+++ b/lib/libcfg/rdline.c
@@ -125,6 +125,9 @@ static void substitute(rdline_t *t, char *dst, char *src)
 			src += 2;
 			while (*dst != '\0')
 				++dst;
+		} else if (src[0] == '%' && src[1] == '%') {
+			*(dst++) = '%';
+			src += 2;
 		} else {
 			if (*src == '"')
 				string = !string;