| commit | 4b66dabc76a89a10e4ff07318ff88e3501a4bba5 | [log] [tgz] |
|---|---|---|
| author | Mark Whitley <markw@lineo.com> | Mon Apr 23 17:04:41 2001 +0000 |
| committer | Mark Whitley <markw@lineo.com> | Mon Apr 23 17:04:41 2001 +0000 |
| tree | b0f9b03c749cdff64ea459ab7d7fc1fb16ea4f49 | |
| parent | 8a24a65d2f90107f772b98f445bcdadd4d466207 [diff] |
Added a sanity check to fix weird bug exposed when sourcing in commands from a file with lash. Based on report from Heinz Walter.
diff --git a/libbb/trim.c b/libbb/trim.c index 78cf235..d3be62d 100644 --- a/libbb/trim.c +++ b/libbb/trim.c
@@ -33,7 +33,11 @@ void trim(char *s) { - int len=strlen(s); + int len = strlen(s); + + /* sanity check */ + if (len == 0) + return; /* trim trailing whitespace */ while ( len > 0 && isspace(s[len-1]))