Bug: history dumps core if more colons than substitutions (thanks

  Callum Gibson).

2 files changed, 7 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 52e9777..34c556c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -812,3 +812,8 @@ Changes since rc-1.5b2
 
   Bug: don't call ealloc(0) on systems where getgroups() doesn't
   return egid (thanks Chris Siebenmann).
+
+2002-11-27
+
+  Bug: history dumps core if more colons than substitutions (thanks
+  Callum Gibson).
diff --git a/history.c b/history.c
index 2993a69..8be90ec 100644
--- a/history.c
+++ b/history.c
@@ -78,6 +78,8 @@ static char *sub(char *s, char *old, char *new) {
 	char *t, *u;
 
 	t = isin(s, old);
+	if (!t)
+		return s;
 	u = newstr();
 
 	*t = '\0';