usr/src/cmd/msgfmt/option.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1996-2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include "common.h"
  30
  31 int
  32 parse_option(int *pargc, char ***pargv, struct flags *flag)
  33 {
  34         char    c;
  35         char    *arg;
  36         int     argc = *pargc;
  37         char    **argv = *pargv;
  38
  39         argv++;
  40         while (--argc > 1) {
  41                 arg = *argv;
  42                 if (*arg == '-') {
  43                         if (!*(arg + 1)) {
  44                                 /* not an option */
  45                                 break;
  46                         }
  47 loop:
  48                         if ((c = *++arg) == '\0') {
  49                                 /* next argument */
  50                                 argv++;
  51                                 continue;
  52                         } else if (c != '-') {
  53                                 /* Sun option */
  54                                 switch (c) {
  55                                 case 'D':
  56                                         /*
  57                                          * add directory to list for input
  58                                          * files search.
  59                                          */
  60                                         if (*(arg + 1)) {
  61                                                 /*
  62                                                  * no spaces between -D and
  63                                                  * optarg
  64                                                  */
  65                                                 flag->idir = ++arg;
  66                                                 argv++;
  67                                                 continue;
  68                                         }
  69                                         if (--argc > 1) {
  70                                                 if (!flag->idir)
  71                                                         flag->idir = *++argv;
  72                                                 else
  73                                                         ++argv;
  74                                                 argv++;
  75                                                 continue;
  76                                         }
  77                                         /* not enough args */
  78                                         return (-1);
  79                                         /* NOTREACHED */
  80                                 case 'f':
  81                                         /*
  82                                          * Use fuzzy entry
  83                                          */
  84                                         flag->fuzzy = 1;
  85                                         goto loop;
  86                                         /* NOTREACHED */
  87                                 case 'o':
  88                                         /*
  89                                          * Specify output file name
  90                                          */
  91                                         if (*(arg + 1)) {
  92                                                 /*
  93                                                  * no spaces between -o and
  94                                                  * optarg
  95                                                  */
  96                                                 flag->ofile = ++arg;
  97                                                 argv++;
  98                                                 continue;
  99                                         }
 100                                         if (--argc > 1) {
 101                                                 flag->ofile = *++argv;
 102                                                 argv++;
 103                                                 continue;
 104                                         }
 105                                         /* not enough args */
 106                                         return (-1);
 107                                 case 'g':
 108                                         /*
 109                                          * GNU mode
 110                                          */
 111                                         flag->gnu_p = 1;
 112                                         goto loop;
 113                                 case 's':
 114                                         /*
 115                                          * Sun mode
 116                                          */
 117                                         flag->sun_p = 1;
 118                                         goto loop;
 119                                 case 'v':
 120                                         /*
 121                                          * verbose mode
 122                                          */
 123                                         flag->verbose = 1;
 124                                         goto loop;
 125                                 default:
 126                                         /* illegal option */
 127                                         return (-1);
 128                                 }
 129                                 /* NOTREACHED */
 130                         }
 131
 132                         if (*(arg + 1) == '\0') {
 133                                 /* option end */
 134                                 argv++;
 135                                 argc--;
 136                                 break;
 137                         }
 138
 139                         /* GNU options */
 140                         arg++;
 141                         if (strncmp(arg, "directory=", 10) == 0) {
 142                                 /*
 143                                  * add directory to list for input
 144                                  * files search.
 145                                  */
 146                                 if (flag->idir) {
 147                                         /*
 148                                          * inputdir has already been specified
 149                                          */
 150                                         argv++;
 151                                         continue;
 152                                 }
 153                                 arg += 10;
 154                                 if (*arg == '\0') {
 155                                         /* illegal option */
 156                                         return (-1);
 157                                 }
 158                                 flag->idir = arg;
 159                                 argv++;
 160                                 continue;
 161                         }
 162                         if (strcmp(arg, "use-fuzzy") == 0) {
 163                                 /*
 164                                  * Use fuzzy entry
 165                                  */
 166                                 flag->fuzzy = 1;
 167                                 argv++;
 168                                 continue;
 169                         }
 170                         if (strncmp(arg, "output-file=", 12) == 0) {
 171                                 /*
 172                                  * Specify output file name
 173                                  */
 174                                 arg += 12;
 175                                 if (*arg == '\0') {
 176                                         /* illegal option */
 177                                         return (-1);
 178                                 }
 179                                 flag->ofile = arg;
 180                                 argv++;
 181                                 continue;
 182                         }
 183                         if (strcmp(arg, "strict") == 0) {
 184                                 /*
 185                                  * strict mode
 186                                  */
 187                                 flag->strict = 1;
 188                                 argv++;
 189                                 continue;
 190                         }
 191                         if (strcmp(arg, "verbose") == 0) {
 192                                 /*
 193                                  * verbose mode
 194                                  */
 195                                 flag->verbose = 1;
 196                                 argv++;
 197                                 continue;
 198                         }
 199                         /* illegal option */
 200                         return (-1);
 201                 }
 202                 break;
 203         }
 204
 205         if (argc == 0)
 206                 return (-1);
 207
 208         *pargc = argc;
 209         *pargv = argv;
 210         return (0);
 211 }