/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#ifndef	_GLOB_H

#define	_GLOB_H	1

#include <features.h>

/* Bits set in the FLAGS argument to `glob'.  */
#define	GLOB_ERR	(1 << 0)/* Return on read errors.  */
#define	GLOB_MARK	(1 << 1)/* Append a slash to each name.  */
#define	GLOB_NOSORT	(1 << 2)/* Don't sort the names.  */
#define	GLOB_DOOFFS	(1 << 3)/* Insert PGLOB->gl_offs NULLs.  */
#define	GLOB_NOCHECK	(1 << 4)/* If nothing matches, return the pattern.  */
#define	GLOB_APPEND	(1 << 5)/* Append to results of a previous call.  */
#define	GLOB_NOESCAPE	(1 << 6)/* Backslashes don't quote metacharacters.  */
#define	GLOB_PERIOD	(1 << 7)/* Leading `.' can be matched by metachars.  */
#define	__GLOB_FLAGS	(GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
			 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|GLOB_PERIOD)

/* Error returns from `glob'.  */
#define	GLOB_NOSPACE	1	/* Ran out of memory.  */
#define	GLOB_ABEND	2	/* Read error.  */
#define	GLOB_NOMATCH	3	/* No matches found.  */

/* Structure describing a globbing run.  */
typedef struct
  {
    int gl_pathc;	/* Count of paths matched by the pattern.  */
    char **gl_pathv;	/* List of matched pathnames.  */
    int gl_offs;	/* Slots to reserve in `gl_pathv'.  */
  } glob_t;

__BEGIN_DECLS

/* Do glob searching for PATTERN, placing results in PGLOB.
   The bits defined above may be set in FLAGS.
   If a directory cannot be opened or read and ERRFUNC is not nil,
   it is called with the pathname that caused the error, and the
   `errno' value from the failing call; if it returns non-zero
   `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
   If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
   Otherwise, `glob' returns zero.  */
extern int glob __P ((const char *__pattern, int __flags,
		int (*__errfunc)(const char *, int), glob_t *__pglob));

/* Free storage allocated in PGLOB by a previous `glob' call.  */
extern void globfree __P ((glob_t *__pglob));

__END_DECLS

#endif	/* glob.h  */