Date: Sat, 12 Jan 2002 21:20:02 -0800 (PST) From: "Matthew Emmerton" <matt@gsicomp.on.ca> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/5297: make incompatibility with System V style variable substitions Message-ID: <200201130520.g0D5K2b90544@freefall.freebsd.org>
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The following reply was made to PR bin/5297; it has been noted by GNATS.
From: "Matthew Emmerton" <matt@gsicomp.on.ca>
To: <freebsd-gnats-submit@FreeBSD.org>, <mark@thuvia.demon.co.uk>
Cc:
Subject: Re: bin/5297: make incompatibility with System V style variable substitions
Date: Sun, 13 Jan 2002 00:19:39 -0500
The real problem is that Str_SYSVMatch doesn't check for an empty word,
which obviously won't match anything.
--- str.c Sat Sep 11 09:08:01 1999
+++ str.c.matt Sun Jan 13 00:01:22 2002
@@ -421,6 +421,12 @@
char *w = word;
char *m;
+ if (*w == '\0') {
+ /* Null word can't be matched against */
+ *len = 0;
+ return NULL;
+ }
+
if (*p == '\0') {
/* Null pattern is the whole string */
*len = strlen(w);
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