diff options
| author | Elliott Hughes <enh@google.com> | 2019-07-30 09:56:28 -0700 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2019-07-31 11:28:40 -0500 |
| commit | d8a46b5b6befc72bb7142850fc4f4c1fd7fb1c1b (patch) | |
| tree | d343b6df9619c1edf84c7648886a0f3d8fcb80c9 /toys/posix | |
| parent | 88468a07124a5cda235037249a65a32c4c95f1dd (diff) | |
| download | toybox-d8a46b5b6befc72bb7142850fc4f4c1fd7fb1c1b.tar.gz | |
Move the empty regex workaround into xregcomp.
No current caller except grep needs this, but consistency seems like a
good idea.
Also change the xregcomp error message to be a bit more human-readable,
rather than mention an implementation detail.
Diffstat (limited to 'toys/posix')
| -rw-r--r-- | toys/posix/grep.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/toys/posix/grep.c b/toys/posix/grep.c index f2ab2a0d..1fa1a7c4 100644 --- a/toys/posix/grep.c +++ b/toys/posix/grep.c @@ -404,9 +404,8 @@ static void parse_regex(void) if (FLAG(o) && !*al->arg) continue; dlist_add_nomalloc(&TT.reg, (void *)(shoe = xmalloc(sizeof(struct reg)))); - // BSD regcomp doesn't support empty regex, so we fake that. - xregcomp(&shoe->r, *al->arg ? al->arg : "()", - (REG_EXTENDED*(!!FLAG(E)|!*al->arg))|(REG_ICASE*!!FLAG(i))); + xregcomp(&shoe->r, al->arg, + (REG_EXTENDED*!!FLAG(E))|(REG_ICASE*!!FLAG(i))); } dlist_terminate(TT.reg); } |