67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* Copyright (C) 1991-2005 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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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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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