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/* pathexp.h -- The shell interface to the globbing library. */
/* Copyright (C) 1987-2020 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/>.
*/
#if !defined (_PATHEXP_H_)
#define _PATHEXP_H_
#if defined (USE_POSIX_GLOB_LIBRARY)
# define GLOB_FAILED(glist) !(glist)
#else /* !USE_POSIX_GLOB_LIBRARY */
# define GLOB_FAILED(glist) (glist) == (char **)&glob_error_return
extern int noglob_dot_filenames;
extern char *glob_error_return;
#endif /* !USE_POSIX_GLOB_LIBRARY */
/* Flag values for quote_string_for_globbing */
#define QGLOB_CVTNULL 0x01 /* convert QUOTED_NULL strings to '\0' */
#define QGLOB_FILENAME 0x02 /* do correct quoting for matching filenames */
#define QGLOB_REGEXP 0x04 /* quote an ERE for regcomp/regexec */
#define QGLOB_CTLESC 0x08 /* turn CTLESC CTLESC into CTLESC for BREs */
#define QGLOB_DEQUOTE 0x10 /* like dequote_string but quote glob chars */
#if defined (EXTENDED_GLOB)
/* Flags to OR with other flag args to strmatch() to enabled the extended
pattern matching. */
# define FNMATCH_EXTFLAG (extended_glob ? FNM_EXTMATCH : 0)
#else
# define FNMATCH_EXTFLAG 0
#endif /* !EXTENDED_GLOB */
#define FNMATCH_IGNCASE (match_ignore_case ? FNM_CASEFOLD : 0)
#define FNMATCH_NOCASEGLOB (glob_ignore_case ? FNM_CASEFOLD : 0)
extern int glob_dot_filenames;
extern int extended_glob;
extern int glob_star;
extern int match_ignore_case; /* doesn't really belong here */
extern int unquoted_glob_pattern_p PARAMS((char *));
/* PATHNAME can contain characters prefixed by CTLESC; this indicates
that the character is to be quoted. We quote it here in the style
that the glob library recognizes. If flags includes QGLOB_CVTNULL,
we change quoted null strings (pathname[0] == CTLNUL) into empty
strings (pathname[0] == 0). If this is called after quote removal
is performed, (flags & QGLOB_CVTNULL) should be 0; if called when quote
removal has not been done (for example, before attempting to match a
pattern while executing a case statement), flags should include
QGLOB_CVTNULL. If flags includes QGLOB_FILENAME, appropriate quoting
to match a filename should be performed. */
extern char *quote_string_for_globbing PARAMS((const char *, int));
extern int glob_char_p PARAMS((const char *));
extern char *quote_globbing_chars PARAMS((const char *));
/* Call the glob library to do globbing on PATHNAME. FLAGS is additional
flags to pass to QUOTE_STRING_FOR_GLOBBING, mostly having to do with
whether or not we've already performed quote removal. */
extern char **shell_glob_filename PARAMS((const char *, int));
/* Filename completion ignore. Used to implement the "fignore" facility of
tcsh, GLOBIGNORE (like ksh-93 FIGNORE), and EXECIGNORE.
It is passed a NULL-terminated array of (char *)'s that must be
free()'d if they are deleted. The first element (names[0]) is the
least-common-denominator string of the matching patterns (i.e.
u<TAB> produces names[0] = "und", names[1] = "under.c", names[2] =
"undun.c", name[3] = NULL). */
struct ign {
char *val;
int len, flags;
};
typedef int sh_iv_item_func_t PARAMS((struct ign *));
struct ignorevar {
char *varname; /* FIGNORE, GLOBIGNORE, or EXECIGNORE */
struct ign *ignores; /* Store the ignore strings here */
int num_ignores; /* How many are there? */
char *last_ignoreval; /* Last value of variable - cached for speed */
sh_iv_item_func_t *item_func; /* Called when each item is parsed from $`varname' */
};
extern void setup_ignore_patterns PARAMS((struct ignorevar *));
extern void setup_glob_ignore PARAMS((char *));
extern int should_ignore_glob_matches PARAMS((void));
extern void ignore_glob_matches PARAMS((char **));
#endif
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