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/* Copyright (C) 1991-2005 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
static int INTERNAL_GLOB_PATTERN_P __P((const CHAR *));
/* Return nonzero if PATTERN has any special globbing chars in it.
Compiled twice, once each for single-byte and multibyte characters. */
static int
INTERNAL_GLOB_PATTERN_P (pattern)
const CHAR *pattern;
{
register const CHAR *p;
register CHAR c;
int bopen;
p = pattern;
bopen = 0;
while ((c = *p++) != L('\0'))
switch (c)
{
case L('?'):
case L('*'):
return 1;
case L('['): /* Only accept an open brace if there is a close */
bopen++; /* brace to match it. Bracket expressions must be */
continue; /* complete, according to Posix.2 */
case L(']'):
if (bopen)
return 1;
continue;
case L('+'): /* extended matching operators */
case L('@'):
case L('!'):
if (*p == L('(')) /*) */
return 1;
continue;
case L('\\'):
if (*p++ == L('\0'))
return 0;
}
return 0;
}
#undef INTERNAL_GLOB_PATTERN_P
#undef L
#undef INT
#undef CHAR
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