bin/sh/expand.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Kenneth Almquist.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  *      @(#)expand.h    8.2 (Berkeley) 5/4/95
  33  * $FreeBSD$
  34  */
  35
  36 struct strlist {
  37         struct strlist *next;
  38         char *text;
  39 };
  40
  41
  42 struct arglist {
  43         struct strlist *list;
  44         struct strlist **lastp;
  45 };
  46
  47 /*
  48  * expandarg() flags
  49  */
  50 #define EXP_FULL        0x1     /* perform word splitting & file globbing */
  51 #define EXP_TILDE       0x2     /* do normal tilde expansion */
  52 #define EXP_VARTILDE    0x4     /* expand tildes in an assignment */
  53 #define EXP_CASE        0x10    /* keeps quotes around for CASE pattern */
  54 #define EXP_SPLIT_LIT   0x20    /* IFS split literal text ${v+-a b c} */
  55 #define EXP_LIT_QUOTED  0x40    /* for EXP_SPLIT_LIT, start off quoted */
  56
  57
  58 union node;
  59 void expandarg(union node *, struct arglist *, int);
  60 void rmescapes(char *);
  61 int casematch(union node *, const char *);