src/helper/options.c

   1 /***************************************************************************
   2  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "types.h"
  25 #include "command.h"
  26 #include "configuration.h"
  27 #include "log.h"
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <getopt.h>
  32 #include <string.h>
  33
  34
  35 static int help_flag;
  36
  37 static struct option long_options[] =
  38 {
  39         {"help",                        no_argument,    &help_flag, 1},
  40
  41         {"debug",                       optional_argument,      0, 'd'},
  42         {"file",                        required_argument,      0, 'f'},
  43         {"search",                      required_argument,      0, 's'},
  44         {"log_output",          required_argument,      0, 'l'},
  45         {"command",                     required_argument,      0, 'c'},
  46
  47         {0, 0, 0, 0}
  48 };
  49
  50
  51 int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[])
  52 {
  53         int c;
  54         char command_buffer[128];
  55
  56         while (1)
  57         {
  58                 /* getopt_long stores the option index here. */
  59                 int option_index = 0;
  60
  61                 c = getopt_long(argc, argv, "hd::l:f:s:c:", long_options, &option_index);
  62
  63                 /* Detect the end of the options. */
  64                 if (c == -1)
  65                         break;
  66
  67                 switch (c)
  68                 {
  69                         case 0:
  70                                 break;
  71                         case 'h':       /* --help | -h */
  72                                 help_flag = 1;
  73                                 break;
  74                         case 'f':       /* --file | -f */
  75                                 snprintf(command_buffer, 128, "script %s", optarg);
  76                                 add_config_file_name(command_buffer);
  77                                 break;
  78                         case 's':       /* --search | -s */
  79                                 add_script_search_dir(optarg);
  80                                 break;
  81                         case 'd':       /* --debug | -d */
  82                                 if (optarg)
  83                                         snprintf(command_buffer, 128, "debug_level %s", optarg);
  84                                 else
  85                                         snprintf(command_buffer, 128, "debug_level 3");
  86                                 command_run_line(cmd_ctx, command_buffer);
  87                                 break;
  88                         case 'l':       /* --log_output | -l */
  89                                 if (optarg)
  90                                 {
  91                                         snprintf(command_buffer, 128, "log_output %s", optarg);
  92                                         command_run_line(cmd_ctx, command_buffer);
  93                                 }
  94                                 break;
  95                         case 'c':       /* --command | -c */
  96                                 if (optarg)
  97                                 {
  98                                         add_config_file_name(optarg);
  99                                 }
 100                                 break;
 101
 102                 }
 103         }
 104
 105         if (help_flag)
 106         {
 107                 printf("Open On-Chip Debugger\n(c) 2005 by Dominic Rath\n\n");
 108                 printf("--help       | -h\tdisplay this help\n");
 109                 printf("--file       | -f\tuse configuration file <name>\n");
 110                 printf("--search     | -s\tdir to search for config files and scripts.\n");
 111                 printf("--debug      | -d\tset debug level <0-3>\n");
 112                 printf("--log_output | -l\tredirect log output to file <name>\n");
 113                 printf("--command    | -c\trun <command>\n");
 114                 exit(-1);
 115         }
 116
 117         /* Add dir for openocd supplied scripts last so that user can over
 118            ride those scripts if desired. */
 119         add_script_search_dir(PKGDATADIR);
 120         add_script_search_dir(PKGLIBDIR);
 121
 122         return ERROR_OK;
 123 }