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 * 4. 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 * @(#)options.h 8.2 (Berkeley) 5/4/95 33 * $FreeBSD$ 34 */ 35 36 struct shparam { 37 int nparam; /* # of positional parameters (without $0) */ 38 unsigned char malloc; /* if parameter list dynamically allocated */ 39 unsigned char reset; /* if getopts has been reset */ 40 char **p; /* parameter list */ 41 char **optnext; /* next parameter to be processed by getopts */ 42 char *optptr; /* used by getopts */ 43 }; 44 45 46 47 #define eflag optlist[0].val 48 #define fflag optlist[1].val 49 #define Iflag optlist[2].val 50 #define iflag optlist[3].val 51 #define mflag optlist[4].val 52 #define nflag optlist[5].val 53 #define sflag optlist[6].val 54 #define xflag optlist[7].val 55 #define vflag optlist[8].val 56 #define Vflag optlist[9].val 57 #define Eflag optlist[10].val 58 #define Cflag optlist[11].val 59 #define aflag optlist[12].val 60 #define bflag optlist[13].val 61 #define uflag optlist[14].val 62 #define privileged optlist[15].val 63 #define Tflag optlist[16].val 64 #define Pflag optlist[17].val 65 66 #define NOPTS 18 67 68 struct optent { 69 const char *name; 70 const char letter; 71 char val; 72 }; 73 74 #ifdef DEFINE_OPTIONS 75 struct optent optlist[NOPTS] = { 76 { "errexit", 'e', 0 }, 77 { "noglob", 'f', 0 }, 78 { "ignoreeof", 'I', 0 }, 79 { "interactive",'i', 0 }, 80 { "monitor", 'm', 0 }, 81 { "noexec", 'n', 0 }, 82 { "stdin", 's', 0 }, 83 { "xtrace", 'x', 0 }, 84 { "verbose", 'v', 0 }, 85 { "vi", 'V', 0 }, 86 { "emacs", 'E', 0 }, 87 { "noclobber", 'C', 0 }, 88 { "allexport", 'a', 0 }, 89 { "notify", 'b', 0 }, 90 { "nounset", 'u', 0 }, 91 { "privileged", 'p', 0 }, 92 { "trapsasync", 'T', 0 }, 93 { "physical", 'P', 0 }, 94 }; 95 #else 96 extern struct optent optlist[NOPTS]; 97 #endif 98 99 100 extern char *minusc; /* argument to -c option */ 101 extern char *arg0; /* $0 */ 102 extern struct shparam shellparam; /* $@ */ 103 extern char **argptr; /* argument list for builtin commands */ 104 extern char *shoptarg; /* set by nextopt */ 105 extern char *optptr; /* used by nextopt */ 106 107 void procargs(int, char **); 108 void optschanged(void); 109 void setparam(char **); 110 void freeparam(struct shparam *); 111 int shiftcmd(int, char **); 112 int setcmd(int, char **); 113 int getoptscmd(int, char **); 114 int nextopt(char *); 115 void getoptsreset(const char *); 116