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| 4758 | right-hear | 1 | /* |
| 2 | * Copyright (c) 1987, 1993, 1994 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. All advertising materials mentioning features or use of this software |
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| 14 | * must display the following acknowledgement: |
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| 15 | * This product includes software developed by the University of |
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| 16 | * California, Berkeley and its contributors. |
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| 17 | * 4. Neither the name of the University nor the names of its contributors |
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| 18 | * may be used to endorse or promote products derived from this software |
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| 19 | * without specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 31 | * SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |||
| 34 | /* last review : october 29th, 2002 */ |
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| 35 | |||
| 36 | #if defined(LIBC_SCCS) && !defined(lint) |
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| 37 | static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95"; |
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| 38 | #endif /* LIBC_SCCS and not lint */ |
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| 39 | |||
| 40 | #include |
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| 41 | #include |
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| 42 | #include |
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| 43 | |||
| 44 | int opterr = 1, /* if error message should be printed */ |
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| 45 | optind = 1, /* index into parent argv vector */ |
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| 46 | optopt, /* character checked for validity */ |
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| 47 | optreset; /* reset getopt */ |
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| 48 | const char *optarg; /* argument associated with option */ |
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| 49 | |||
| 50 | typedef struct option |
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| 51 | { |
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| 52 | const char *name; |
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| 53 | int has_arg; |
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| 54 | int *flag; |
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| 55 | int val; |
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| 56 | }option_t; |
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| 57 | |||
| 58 | #define BADCH (int)'?' |
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| 59 | #define BADARG (int)':' |
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| 60 | #define EMSG "" |
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| 61 | |||
| 62 | /* As this class remembers its values from one Java call to the other, reset the values before each use */ |
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| 63 | void reset_options_reading() { |
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| 64 | opterr = 1; |
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| 65 | optind = 1; |
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| 66 | } |
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| 67 | |||
| 68 | /* |
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| 69 | * getopt -- |
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| 70 | * Parse argc/argv argument vector. |
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| 71 | */ |
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| 72 | int getopt(int nargc, char *const *nargv, const char *ostr) { |
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| 73 | # define __progname nargv[0] |
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| 74 | static const char *place = EMSG; /* option letter processing */ |
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| 75 | char *oli; /* option letter list index */ |
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| 76 | |||
| 77 | if (optreset || !*place) { /* update scanning pointer */ |
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| 78 | optreset = 0; |
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| 79 | if (optind >= nargc || *(place = nargv[optind]) != '-') { |
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| 80 | place = EMSG; |
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| 81 | return (-1); |
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| 82 | } |
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| 83 | if (place[1] && *++place == '-') { /* found "--" */ |
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| 84 | ++optind; |
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| 85 | place = EMSG; |
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| 86 | return (-1); |
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| 87 | } |
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| 88 | } /* option letter okay? */ |
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| 89 | if ((optopt = (int) *place++) == (int) ':' || |
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| 90 | !(oli = strchr(ostr, optopt))) { |
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| 91 | /* |
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| 92 | * if the user didn't specify '-' as an option, |
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| 93 | * assume it means -1. |
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| 94 | */ |
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| 95 | if (optopt == (int) '-') |
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| 96 | return (-1); |
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| 97 | if (!*place) |
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| 98 | ++optind; |
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| 99 | if (opterr && *ostr != ':') { |
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| 100 | fprintf(stderr, |
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| 101 | "%s: illegal option -- %c\n", __progname, optopt); |
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| 102 | return (BADCH); |
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| 103 | } |
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| 104 | } |
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| 105 | if (*++oli != ':') { /* don't need argument */ |
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| 106 | optarg = NULL; |
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| 107 | if (!*place) |
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| 108 | ++optind; |
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| 109 | } else { /* need an argument */ |
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| 110 | if (*place) /* no white space */ |
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| 111 | optarg = place; |
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| 112 | else if (nargc <= ++optind) { /* no arg */ |
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| 113 | place = EMSG; |
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| 114 | if (*ostr == ':') |
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| 115 | return (BADARG); |
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| 116 | if (opterr) { |
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| 117 | fprintf(stderr, |
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| 118 | "%s: option requires an argument -- %c\n", |
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| 119 | __progname, optopt); |
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| 120 | return (BADCH); |
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| 121 | } |
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| 122 | } else /* white space */ |
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| 123 | optarg = nargv[optind]; |
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| 124 | place = EMSG; |
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| 125 | ++optind; |
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| 126 | } |
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| 127 | return (optopt); /* dump back option letter */ |
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| 128 | } |
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| 129 | |||
| 130 | |||
| 131 | int getopt_long(int argc, char * const argv[], const char *optstring, |
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| 132 | struct option *longopts, int totlen) { |
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| 133 | static int lastidx,lastofs; |
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| 134 | char *tmp; |
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| 135 | int i,len; |
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| 136 | char param = 1; |
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| 137 | |||
| 138 | again: |
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| 139 | if (optind >= argc || !argv[optind] || *argv[optind]!='-') |
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| 140 | return -1; |
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| 141 | |||
| 142 | if (argv[optind][0]=='-' && argv[optind][1]==0) { |
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| 143 | if(optind >= (argc - 1)){ /* no more input parameters */ |
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| 144 | param = 0; |
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| 145 | } |
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| 146 | else{ /* more input parameters */ |
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| 147 | if(argv[optind + 1][0] == '-'){ |
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| 148 | param = 0; /* Missing parameter after '-' */ |
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| 149 | } |
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| 150 | else{ |
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| 151 | param = 2; |
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| 152 | } |
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| 153 | } |
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| 154 | } |
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| 155 | |||
| 156 | if (param == 0) { |
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| 157 | ++optind; |
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| 158 | return (BADCH); |
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| 159 | } |
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| 160 | |||
| 161 | if (argv[optind][0]=='-') { /* long option */ |
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| 162 | char* arg=argv[optind]+1; |
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| 163 | const struct option* o; |
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| 164 | o=longopts; |
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| 165 | len=sizeof(longopts[0]); |
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| 166 | |||
| 167 | if (param > 1){ |
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| 168 | arg = argv[optind+1]; |
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| 169 | optind++; |
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| 170 | } |
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| 171 | else |
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| 172 | arg = argv[optind]+1; |
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| 173 | |||
| 174 | if(strlen(arg)>1){ |
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| 175 | for (i=0;i |
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| 176 | if (!strcmp(o->name,arg)) { /* match */ |
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| 177 | if (o->has_arg == 0) { |
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| 178 | if ((argv[optind+1])&&(!(argv[optind+1][0]=='-'))){ |
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| 179 | fprintf(stderr,"%s: option does not require an argument. Ignoring %s\n",arg,argv[optind+1]); |
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| 180 | ++optind; |
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| 181 | } |
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| 182 | }else{ |
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| 183 | optarg=argv[optind+1]; |
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| 184 | if(optarg){ |
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| 185 | if (optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ |
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| 186 | if (opterr) { |
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| 187 | fprintf(stderr,"%s: option requires an argument\n",arg); |
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| 188 | return (BADCH); |
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| 189 | } |
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| 190 | } |
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| 191 | } |
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| 192 | if (!optarg && o->has_arg==1) { /* no argument there */ |
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| 193 | if (opterr) { |
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| 194 | fprintf(stderr,"%s: option requires an argument \n",arg); |
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| 195 | return (BADCH); |
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| 196 | } |
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| 197 | } |
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| 198 | ++optind; |
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| 199 | } |
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| 200 | ++optind; |
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| 201 | if (o->flag) |
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| 202 | *(o->flag)=o->val; |
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| 203 | else |
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| 204 | return o->val; |
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| 205 | return 0; |
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| 206 | } |
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| 207 | }//(end for)String not found in the list |
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| 208 | fprintf(stderr,"Invalid option %s\n",arg); |
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| 209 | ++optind; |
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| 210 | return (BADCH); |
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| 211 | }else{ /*Single character input parameter*/ |
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| 212 | if (*optstring==':') return ':'; |
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| 213 | if (lastidx!=optind) { |
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| 214 | lastidx=optind; lastofs=0; |
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| 215 | } |
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| 216 | optopt=argv[optind][lastofs+1]; |
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| 217 | if ((tmp=strchr(optstring,optopt))) {/*Found input parameter in list*/ |
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| 218 | if (*tmp==0) { /* apparently, we looked for \0, i.e. end of argument */ |
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| 219 | ++optind; |
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| 220 | goto again; |
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| 221 | } |
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| 222 | if (tmp[1]==':') { /* argument expected */ |
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| 223 | if (tmp[2]==':' || argv[optind][lastofs+2]) { /* "-foo", return "oo" as optarg */ |
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| 224 | if (!*(optarg=argv[optind]+lastofs+2)) optarg=0; |
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| 225 | goto found; |
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| 226 | } |
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| 227 | optarg=argv[optind+1]; |
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| 228 | if(optarg){ |
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| 229 | if (optarg[0] == '-'){ /* Has read next input parameter: No arg for current parameter */ |
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| 230 | if (opterr) { |
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| 231 | fprintf(stderr,"%s: option requires an argument\n",arg); |
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| 232 | return (BADCH); |
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| 233 | } |
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| 234 | } |
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| 235 | } |
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| 236 | if (!optarg) { /* missing argument */ |
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| 237 | if (opterr) { |
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| 238 | fprintf(stderr,"%s: option requires an argument\n",arg); |
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| 239 | return (BADCH); |
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| 240 | } |
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| 241 | } |
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| 242 | ++optind; |
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| 243 | }else {/*Argument not expected*/ |
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| 244 | ++lastofs; |
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| 245 | return optopt; |
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| 246 | } |
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| 247 | found: |
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| 248 | ++optind; |
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| 249 | return optopt; |
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| 250 | } else { /* not found */ |
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| 251 | fprintf(stderr,"Invalid option %s\n",arg); |
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| 252 | ++optind; |
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| 253 | return (BADCH); |
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| 254 | }//end of not found |
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| 255 | |||
| 256 | }// end of single character |
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| 257 | }//end '-' |
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| 258 | fprintf(stderr,"Invalid option\n"); |
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| 259 | ++optind; |
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| 260 | return (BADCH);; |
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| 261 | }//end function |