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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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
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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