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109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
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/* gmisc.c -- miscellaneous pattern matching utility functions for Bash.
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Copyright (C) 2010-2020 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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#include "config.h"
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#include "bashtypes.h"
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#if defined (HAVE_UNISTD_H)
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# include <unistd.h>
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#endif
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#include "bashansi.h"
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#include "shmbutil.h"
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#include "chartypes.h"
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#include "stdc.h"
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#ifndef FNM_CASEFOLD
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# include "strmatch.h"
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#endif
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#include "glob.h"
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/* Make sure these names continue to agree with what's in smatch.c */
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extern char *glob_patscan PARAMS((char *, char *, int));
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/* Compile `gm_loop.inc' for single-byte characters. */
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#define CHAR char
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#define INT int
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#define L(CS) CS
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#define EXTGLOB_PATTERN_P extglob_pattern_p
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#define MATCH_PATTERN_CHAR match_pattern_char
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#define MATCHLEN umatchlen
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#define FOLD(c) ((flags & FNM_CASEFOLD) \
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? TOLOWER ((unsigned char)c) \
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: ((unsigned char)c))
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#ifndef LPAREN
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#define LPAREN '('
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#define RPAREN ')'
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#endif
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#include "gm_loop.inc"
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/* Compile `gm_loop.inc' again for multibyte characters. */
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#if HANDLE_MULTIBYTE
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#define CHAR wchar_t
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#define INT wint_t
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#define L(CS) L##CS
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#define EXTGLOB_PATTERN_P wextglob_pattern_p
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#define MATCH_PATTERN_CHAR match_pattern_wchar
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#define MATCHLEN wmatchlen
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#define FOLD(c) ((flags & FNM_CASEFOLD) && iswupper (c) ? towlower (c) : (c))
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#define LPAREN L'('
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#define RPAREN L')'
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#include "gm_loop.inc"
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#endif /* HANDLE_MULTIBYTE */
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#if defined (EXTENDED_GLOB)
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/* Skip characters in PAT and return the final occurrence of DIRSEP. This
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is only called when extended_glob is set, so we have to skip over extglob
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patterns x(...) */
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char *
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glob_dirscan (pat, dirsep)
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char *pat;
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int dirsep;
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{
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char *p, *d, *pe, *se;
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d = pe = se = 0;
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for (p = pat; p && *p; p++)
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{
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if (extglob_pattern_p (p))
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{
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if (se == 0)
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se = p + strlen (p) - 1;
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pe = glob_patscan (p + 2, se, 0);
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if (pe == 0)
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continue;
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else if (*pe == 0)
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break;
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p = pe - 1; /* will do increment above */
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continue;
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}
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if (*p == dirsep)
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d = p;
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}
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return d;
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}
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#endif /* EXTENDED_GLOB */
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