options.h revision 1.1.1.1
1/*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)options.h 5.1 (Berkeley) 3/7/91 37 */ 38 39struct shparam { 40 int nparam; /* number of positional parameters (without $0) */ 41 char malloc; /* true if parameter list dynamicly allocated */ 42 char **p; /* parameter list */ 43 char **optnext; /* next parameter to be processed by getopts */ 44 char *optptr; /* used by getopts */ 45}; 46 47 48 49#define eflag optval[0] 50#define fflag optval[1] 51#define Iflag optval[2] 52#define iflag optval[3] 53#define jflag optval[4] 54#define nflag optval[5] 55#define sflag optval[6] 56#define xflag optval[7] 57#define zflag optval[8] 58#define vflag optval[9] 59 60#define NOPTS 10 61 62#ifdef DEFINE_OPTIONS 63const char optchar[NOPTS+1] = "efIijnsxzv"; /* shell flags */ 64char optval[NOPTS+1]; /* values of option flags */ 65#else 66extern const char optchar[NOPTS+1]; 67extern char optval[NOPTS+1]; 68#endif 69 70 71extern char *minusc; /* argument to -c option */ 72extern char *arg0; /* $0 */ 73extern struct shparam shellparam; /* $@ */ 74extern char **argptr; /* argument list for builtin commands */ 75extern char *optarg; /* set by nextopt */ 76extern char *optptr; /* used by nextopt */ 77 78 79#ifdef __STDC__ 80void procargs(int, char **); 81void setparam(char **); 82void freeparam(struct shparam *); 83int nextopt(char *); 84#else 85void procargs(); 86void setparam(); 87void freeparam(); 88int nextopt(); 89#endif 90