1 /* Copyright (C) 1991-2020 Free Software Foundation, Inc.
3 This file is part of GNU Bush, the Bourne Again SHell.
5 Bush is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 Bush is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with Bush. If not, see <http://www.gnu.org/licenses/>.
19 static int INTERNAL_GLOB_PATTERN_P
PARAMS((const GCHAR
*));
21 /* Return nonzero if PATTERN has any special globbing chars in it.
22 Compiled twice, once each for single-byte and multibyte characters. */
24 INTERNAL_GLOB_PATTERN_P (pattern
)
27 register const GCHAR
*p
;
34 while ((c
= *p
++) != L('\0'))
41 case L('['): /* Only accept an open brace if there is a close */
42 bopen
++; /* brace to match it. Bracket expressions must be */
43 continue; /* complete, according to Posix.2 */
49 case L('+'): /* extended matching operators */
52 if (*p
== L('(')) /*) */
57 /* Don't let the pattern end in a backslash (GMATCH returns no match
58 if the pattern ends in a backslash anyway), but otherwise note that
59 we have seen this, since the matching engine uses backslash as an
60 escape character and it can be removed. We return 2 later if we
61 have seen only backslash-escaped characters, so interested callers
62 know they can shortcut and just dequote the pathname. */
69 else /* (*p == L('\0')) */
74 return bsquote
? 2 : 0;
80 #undef INTERNAL_GLOB_PATTERN_P