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/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.

This 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.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this 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

#ifdef      __cplusplus
extern "C"

#undef      __ptr_t
#if defined (__cplusplus) || (defined (__STDC__) && __STDC__)
#undef      __P
#define     __P(protos) protos
#define     __ptr_t     void *
#else /* Not C++ or ANSI C.  */
#undef      __P
#define     __P(protos) ()
#undef      const
#define     const
#define     __ptr_t     char *
#endif /* C++ or ANSI C.  */

/* 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.  */

#if !defined (_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 2 || defined (_BSD_SOURCE)
#define     GLOB_MAGCHAR      (1 << 8)/* Set in gl_flags if any metachars seen.  */

/* 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'.  */
    int gl_flags;       /* Set to FLAGS, maybe | GLOB_MAGCHAR.  */
  } glob_t;

/* 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) __P ((const char *, int)),
                  glob_t *__pglob));

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

#if !defined (_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 2 || defined (_GNU_SOURCE)
/* If they are not NULL, `glob' uses these functions to read directories.  */
extern __ptr_t (*__glob_opendir_hook) __P ((const char *__directory));
extern const char *(*__glob_readdir_hook) __P ((__ptr_t __stream));
extern void (*__glob_closedir_hook) __P ((__ptr_t __stream));

#ifdef      __cplusplus

#endif /* glob.h  */

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