Adding upstream version 5.2.37.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

pathexp.h

@@ -0,0 +1,104 @@
+/* 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_
+
+#define GLOB_FAILED(glist)	(glist) == (char **)&glob_error_return
+
+extern int noglob_dot_filenames;
+extern char *glob_error_return;
+
+/* 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