include/wordexp.h

   1 /*-
   2  * Copyright (c) 2002 Tim J. Robbins.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #ifndef _WORDEXP_H_
  30 #define _WORDEXP_H_
  31
  32 #include <sys/cdefs.h>
  33 #include <sys/_types.h>
  34
  35 #if __XSI_VISIBLE && !defined(_SIZE_T_DECLARED)
  36 typedef __size_t        size_t;
  37 #define _SIZE_T_DECLARED
  38 #endif
  39
  40 typedef struct {
  41         __size_t        we_wordc;       /* count of words matched */
  42         char            **we_wordv;     /* pointer to list of words */
  43         __size_t        we_offs;        /* slots to reserve in we_wordv */
  44         char            *we_strings;    /* storage for wordv strings */
  45         __size_t        we_nbytes;      /* size of we_strings */
  46 } wordexp_t;
  47
  48 /*
  49  * Flags for wordexp().
  50  */
  51 #define WRDE_APPEND     0x1             /* append to previously generated */
  52 #define WRDE_DOOFFS     0x2             /* we_offs member is valid */
  53 #define WRDE_NOCMD      0x4             /* disallow command substitution */
  54 #define WRDE_REUSE      0x8             /* reuse wordexp_t */
  55 #define WRDE_SHOWERR    0x10            /* don't redirect stderr to /dev/null */
  56 #define WRDE_UNDEF      0x20            /* disallow undefined shell vars */
  57
  58 /*
  59  * Return values from wordexp().
  60  */
  61 #define WRDE_BADCHAR    1               /* unquoted special character */
  62 #define WRDE_BADVAL     2               /* undefined variable */
  63 #define WRDE_CMDSUB     3               /* command substitution not allowed */
  64 #define WRDE_NOSPACE    4               /* no memory for result */
  65 #if __XSI_VISIBLE
  66 #define WRDE_NOSYS      5               /* obsolete, reserved */
  67 #endif
  68 #define WRDE_SYNTAX     6               /* shell syntax error */
  69
  70 __BEGIN_DECLS
  71 int     wordexp(const char * __restrict, wordexp_t * __restrict, int);
  72 void    wordfree(wordexp_t *);
  73 __END_DECLS
  74
  75 #endif /* !_WORDEXP_H_ */