From f5be4dfd960ce82ec1bd2c4ced7056118d7b01bd Mon Sep 17 00:00:00 2001
From: Kim F. Storm
Date: Mon, 19 Sep 2005 08:13:14 +0000
Subject: (Fformat): Don't scan past end of format string that ends in %. 
 Reported by: Johan Bockgård.

---
 src/editfns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/editfns.c b/src/editfns.c
index e67e56d2efa..c8b02570c12 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -3424,7 +3424,7 @@ usage: (format STRING &rest OBJECTS)  */)
 	   digits to print after the '.' for floats, or the max.
 	   number of chars to print from a string.  */
 
-	while (index ("-0# ", *format))
+	while (*format && index ("-0# ", *format))
 	  ++format;
 
 	if (*format >= '0' && *format <= '9')
-- 
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