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| author | Mark Whitley | 2001-04-23 17:04:41 +0000 |
|---|---|---|
| committer | Mark Whitley | 2001-04-23 17:04:41 +0000 |
| commit | 4b66dabc76a89a10e4ff07318ff88e3501a4bba5 (patch) | |
| tree | b0f9b03c749cdff64ea459ab7d7fc1fb16ea4f49 /libbb | |
| parent | 8a24a65d2f90107f772b98f445bcdadd4d466207 (diff) | |
| download | busybox-4b66dabc76a89a10e4ff07318ff88e3501a4bba5.zip busybox-4b66dabc76a89a10e4ff07318ff88e3501a4bba5.tar.gz | |
Added a sanity check to fix weird bug exposed when sourcing in commands from a
file with lash. Based on report from Heinz Walter.
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/trim.c | 6 |
1 files changed, 5 insertions, 1 deletions
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])) |