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annotate lwar/main.c @ 370:8764142b3192

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Convert internal error/warning handling framework to a new unified system Replace the ad hoc error and warning handling with a new system that codifies the errors with specific codes. This makes it possible in the future for error numbers to be used for testing and other purposes. It also makes sure the error strings themselves are consistent. Thanks to Erik G <erik@6809.org> for the patch.
author William Astle <lost@l-w.ca>
date Mon, 22 Jun 2015 18:49:38 -0600
parents 4130ffdeb5c8
children 221b5f58d8ad
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /*
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2 main.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWAR.
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6
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7 LWAR is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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21 Implements the program startup code
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22
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23 */
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24
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25 #include <errno.h>
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26 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <sys/types.h>
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29 #include <sys/stat.h>
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30 #include <unistd.h>
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31
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32 #include <lw_cmdline.h>
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33 #include <lw_version.h>
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34
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35 #include "lwar.h"
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36
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37 // command line option handling
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38 #define PROGVER "lwar from " PACKAGE_STRING
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39 char *program_name;
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40
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41 static int parse_opts(int key, char *arg, void *state)
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42 {
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43 switch (key)
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44 {
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45 case 'd':
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46 // debug
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47 debug_level++;
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48 break;
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49
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50 case 'a':
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51 // add members
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52 operation = LWAR_OP_ADD;
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53 break;
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54
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55 case 'c':
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56 // create archive
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57 operation = LWAR_OP_CREATE;
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58 break;
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59
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60 case 'm':
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61 mergeflag = 1;
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62 break;
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63
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64 case 'r':
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65 // replace members
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66 operation = LWAR_OP_REPLACE;
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67 break;
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68
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69 case 'l':
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70 // list members
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71 operation = LWAR_OP_LIST;
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72 break;
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73
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74 case 'x':
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75 // extract members
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76 operation = LWAR_OP_EXTRACT;
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77 break;
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78
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79 case lw_cmdline_key_arg:
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80 if (archive_file)
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81 {
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82 // add archive member to list
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83 add_file_name(arg);
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84 }
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85 else
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86 archive_file = arg;
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87 break;
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88
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89 default:
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90 return lw_cmdline_err_unknown;
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91 }
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92 return 0;
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93 }
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94
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95 static struct lw_cmdline_options options[] =
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96 {
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97 { "replace", 'r', 0, 0,
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98 "Add or replace archive members" },
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99 { "extract", 'x', 0, 0,
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100 "Extract members from the archive" },
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101 { "add", 'a', 0, 0,
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102 "Add members to the archive" },
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103 { "list", 'l', 0, 0,
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104 "List the contents of the archive" },
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105 { "create", 'c', 0, 0,
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106 "Create new archive (or truncate existing one)" },
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107 { "merge", 'm', 0, 0,
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108 "Add the contents of archive arguments instead of the archives themselves" },
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109 { "debug", 'd', 0, 0,
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110 "Set debug mode"},
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111 { 0 }
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112 };
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113
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114 static struct lw_cmdline_parser argparser =
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115 {
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116 options,
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117 parse_opts,
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118 "ARCHIVE [FILE ...]",
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119 "lwar, a library file manager for lwlink",
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120 PROGVER
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121 };
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122
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123 extern void do_list(void);
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124 extern void do_add(void);
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125 extern void do_remove(void);
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126 extern void do_replace(void);
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127 extern void do_extract(void);
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128
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129 // main function; parse command line, set up assembler state, and run the
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130 // assembler on the first file
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131 int main(int argc, char **argv)
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132 {
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133 program_name = argv[0];
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134 lw_cmdline_parse(&argparser, argc, argv, 0, 0, NULL);
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135 if (archive_file == NULL)
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136 {
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137 fprintf(stderr, "You must specify an archive file.\n");
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138 exit(1);
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139 }
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140
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141 if (operation == 0)
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142 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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143 fprintf(stderr, "You must specify an operation.\n");
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144 exit(1);
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145 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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146
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147 if (operation == LWAR_OP_LIST || operation == LWAR_OP_REMOVE || operation == LWAR_OP_EXTRACT)
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148 {
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149 struct stat stbuf;
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150 // make sure the archive exists
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151 if (stat(archive_file, &stbuf) < 0)
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152 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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153 fprintf(stderr, "Cannot open archive file %s:\n", archive_file);
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154 perror("");
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155 exit(2);
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156 }
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157 }
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158 if (operation == LWAR_OP_CREATE)
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159 {
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160 struct stat stbuf;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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161 // check if the archive exists
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162 if (stat(archive_file, &stbuf) < 0)
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163 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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164 if (errno != ENOENT)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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165 {
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166 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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167 perror("");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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168 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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169 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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170 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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171 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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172 {
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173 if (unlink(archive_file) < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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174 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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175 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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176 perror("");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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177 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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178 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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179
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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180 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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181 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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182
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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183 switch (operation)
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184 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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185 case LWAR_OP_LIST:
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186 do_list();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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187 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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188
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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189 case LWAR_OP_ADD:
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190 case LWAR_OP_CREATE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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191 do_add();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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192 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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194 case LWAR_OP_REMOVE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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195 do_remove();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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196 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
197
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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198 case LWAR_OP_REPLACE:
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diff changeset
199 do_replace();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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200 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
201
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff changeset
202 case LWAR_OP_EXTRACT:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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203 do_extract();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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204 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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205 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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206
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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207 exit(0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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208 }