1 /* $NetBSD: expand.h,v 1.26 2021/11/22 05:17:43 kre Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)expand.h 8.2 (Berkeley) 5/4/95 35 */ 36 37 #include <inttypes.h> 38 39 struct strlist { 40 struct strlist *next; 41 char *text; 42 }; 43 44 45 struct arglist { 46 struct strlist *list; 47 struct strlist **lastp; 48 }; 49 50 /* 51 * expandarg() flags 52 */ 53 #define EXP_SPLIT 0x1 /* perform word splitting */ 54 #define EXP_TILDE 0x2 /* do normal tilde expansion */ 55 #define EXP_VARTILDE 0x4 /* expand tildes in an assignment */ 56 #define EXP_REDIR 0x8 /* file glob for a redirection (1 match only) */ 57 #define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */ 58 #define EXP_IFS_SPLIT 0x20 /* need to record arguments for ifs breakup */ 59 #define EXP_IN_QUOTES 0x40 /* don't set EXP_IFS_SPLIT again */ 60 #define EXP_GLOB 0x80 /* perform filename globbing */ 61 #define EXP_NL 0x100 /* keep CRTNONL in output */ 62 63 #define EXP_FULL (EXP_SPLIT | EXP_GLOB) 64 #define EXP_QNEEDED (EXP_GLOB | EXP_CASE | EXP_REDIR) 65 66 union node; 67 68 char *expandhere(union node *); 69 void expandarg(union node *, struct arglist *, int); 70 int rmescapes(char *); 71 int casematch(union node *, char *); 72