From 15f2fdb2b9ba0d397babe0922ae28f84e91505f9 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Sat, 23 Aug 2008 23:15:48 +0000
Subject: hexdump: fix SEGV in hexdump -e ""

---
 libbb/dump.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'libbb')

diff --git a/libbb/dump.c b/libbb/dump.c
index 74c5e16..e7722de 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -298,7 +298,7 @@ static void rewrite(priv_dumper_t *dumper, FS *fs)
 	 * if, rep count is greater than 1, no trailing whitespace
 	 * gets output from the last iteration of the format unit.
 	 */
-	for (fu = fs->nextfu;; fu = fu->nextfu) {
+	for (fu = fs->nextfu; fu; fu = fu->nextfu) {
 		if (!fu->nextfu && fs->bcnt < dumper->blocksize
 		 && !(fu->flags & F_SETREP) && fu->bcnt
 		) {
@@ -723,7 +723,8 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
 	nextfupp = &tfs->nextfu;
 
 	/* take the format string and break it up into format units */
-	for (p = fmt;;) {
+	p = fmt;
+	for (;;) {
 		p = skip_whitespace(p);
 		if (!*p) {
 			break;
-- 
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