1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1997-2005 5 * Herbert Xu <herbert@gondor.apana.org.au>. 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 * @(#)options.h 8.2 (Berkeley) 5/4/95 35 */ 36 37struct shparam { 38 int nparam; /* # of positional parameters (without $0) */ 39 unsigned char malloc; /* if parameter list dynamically allocated */ 40 char **p; /* parameter list */ 41 int optind; /* next parameter to be processed by getopts */ 42 int optoff; /* used by getopts */ 43}; 44 45 46 47#define eflag optlist[0] 48#define fflag optlist[1] 49#define Iflag optlist[2] 50#define iflag optlist[3] 51#define mflag optlist[4] 52#define nflag optlist[5] 53#define sflag optlist[6] 54#define xflag optlist[7] 55#define vflag optlist[8] 56#define Vflag optlist[9] 57#define Eflag optlist[10] 58#define Cflag optlist[11] 59#define aflag optlist[12] 60#define bflag optlist[13] 61#define uflag optlist[14] 62#define nolog optlist[15] 63#define debug optlist[16] 64 65#define NOPTS 17 66 67extern const char optletters[NOPTS]; 68extern char optlist[NOPTS]; 69 70 71extern char *minusc; /* argument to -c option */ 72extern char *orig_arg0; /* argv[0] at startup */ 73extern char *arg0; /* $0 */ 74extern struct shparam shellparam; /* $@ */ 75extern char **argptr; /* argument list for builtin commands */ 76extern char *optionarg; /* set by nextopt */ 77extern char *optptr; /* used by nextopt */ 78 79int procargs(int, char **, int); 80void optschanged(void); 81void setparam(char **); 82void freeparam(volatile struct shparam *); 83int shiftcmd(int, char **); 84int setcmd(int, char **); 85int getoptscmd(int, char **); 86int nextopt(const char *); 87void getoptsreset(const char *); 88