68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
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/* Copyright (C) 1991-2002 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with Bash; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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static int INTERNAL_GLOB_PATTERN_P __P((const CHAR *));
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/* Return nonzero if PATTERN has any special globbing chars in it.
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Compiled twice, once each for single-byte and multibyte characters. */
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static int
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INTERNAL_GLOB_PATTERN_P (pattern)
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const CHAR *pattern;
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{
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register const CHAR *p;
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register CHAR c;
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int bopen;
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p = pattern;
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bopen = 0;
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while ((c = *p++) != L('\0'))
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switch (c)
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{
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case L('?'):
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case L('*'):
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return 1;
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case L('['): /* Only accept an open brace if there is a close */
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bopen++; /* brace to match it. Bracket expressions must be */
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continue; /* complete, according to Posix.2 */
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case L(']'):
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if (bopen)
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return 1;
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continue;
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case L('+'): /* extended matching operators */
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case L('@'):
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case L('!'):
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if (*p == L('(')) /*) */
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return 1;
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continue;
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case L('\\'):
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if (*p++ == L('\0'))
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return 0;
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}
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return 0;
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}
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#undef INTERNAL_GLOB_PATTERN_P
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#undef L
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#undef INT
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#undef CHAR
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