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/* Copyright (C) 2002, 2010 by  Red Hat, Incorporated. All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software

 * is freely granted, provided that this notice is preserved.

 */

#ifndef _WORDEXP_H_

#define _WORDEXP_H_

#include <sys/types.h>

#ifdef __cplusplus

extern "C" {

#endif

struct _wordexp_t

{

  size_t we_wordc;      /* Count of words matched by words. */

  char **we_wordv;      /* Pointer to list of expanded words. */

  size_t we_offs;       /* Slots to reserve at the beginning of we_wordv. */

};

typedef struct _wordexp_t wordexp_t;

#define WRDE_DOOFFS     0x0001  /* Use we_offs. */

#define WRDE_APPEND     0x0002  /* Append to output from previous call. */

#define WRDE_NOCMD      0x0004  /* Don't perform command substitution. */

#define WRDE_REUSE      0x0008  /* pwordexp points to a wordexp_t struct returned from

                                   a previous successful call to wordexp. */

#define WRDE_SHOWERR    0x0010  /* Print error messages to stderr. */

#define WRDE_UNDEF      0x0020  /* Report attempt to expand undefined shell variable. */

enum {

  WRDE_SUCCESS,

  WRDE_NOSPACE,

  WRDE_BADCHAR,

  WRDE_BADVAL,

  WRDE_CMDSUB,

  WRDE_SYNTAX,

  WRDE_NOSYS

};

/* Note: This implementation of wordexp requires a version of bash

   that supports the --wordexp and --protected arguments to be present

   on the system.  It does not support the WRDE_UNDEF flag. */

int wordexp(const char *, wordexp_t *, int);

void wordfree(wordexp_t *);

#ifdef __cplusplus

}

#endif

#endif /* _WORDEXP_H_  */