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annotate lwar/main.c @ 325:6821f4855702

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Fix bug with section padding and downward allocation. When placing sections with the "high" method, padding was added to the section instance at the lowest address insted of the highest as is appropriate for the padafter option. Explicitly handle the padding for the first instance encountered (highest address) when growing down.
author William Astle <lost@l-w.ca>
date Fri, 21 Mar 2014 23:49:23 -0600
parents 6eed14cccac9
children 4130ffdeb5c8
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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19
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20
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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
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34 #include "lwar.h"
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35
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36 // command line option handling
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37 #define PROGVER "lwar from " PACKAGE_STRING
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38 char *program_name;
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39
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40 static int parse_opts(int key, char *arg, void *state)
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41 {
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42 switch (key)
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43 {
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44 case 'd':
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45 // debug
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46 debug_level++;
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47 break;
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48
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49 case 'a':
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50 // add members
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51 operation = LWAR_OP_ADD;
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52 break;
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53
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54 case 'c':
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55 // create archive
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56 operation = LWAR_OP_CREATE;
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57 break;
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58
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59 case 'm':
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60 mergeflag = 1;
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61 break;
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62
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63 case 'r':
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64 // replace members
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65 operation = LWAR_OP_REPLACE;
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66 break;
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67
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68 case 'l':
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69 // list members
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70 operation = LWAR_OP_LIST;
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71 break;
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72
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73 case 'x':
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74 // extract members
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75 operation = LWAR_OP_EXTRACT;
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76 break;
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77
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78 case lw_cmdline_key_arg:
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79 if (archive_file)
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80 {
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81 // add archive member to list
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82 add_file_name(arg);
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83 }
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84 else
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85 archive_file = arg;
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86 break;
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87
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88 default:
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89 return lw_cmdline_err_unknown;
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90 }
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91 return 0;
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92 }
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93
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94 static struct lw_cmdline_options options[] =
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95 {
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96 { "replace", 'r', 0, 0,
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97 "Add or replace archive members" },
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98 { "extract", 'x', 0, 0,
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99 "Extract members from the archive" },
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100 { "add", 'a', 0, 0,
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101 "Add members to the archive" },
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102 { "list", 'l', 0, 0,
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103 "List the contents of the archive" },
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104 { "create", 'c', 0, 0,
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105 "Create new archive (or truncate existing one)" },
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106 { "merge", 'm', 0, 0,
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107 "Add the contents of archive arguments instead of the archives themselves" },
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108 { "debug", 'd', 0, 0,
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109 "Set debug mode"},
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110 { 0 }
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111 };
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112
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113 static struct lw_cmdline_parser argparser =
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114 {
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115 options,
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116 parse_opts,
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117 "ARCHIVE [FILE ...]",
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118 "lwar, a library file manager for lwlink",
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119 PROGVER
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120 };
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121
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122 extern void do_list(void);
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123 extern void do_add(void);
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124 extern void do_remove(void);
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125 extern void do_replace(void);
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126 extern void do_extract(void);
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127
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128 // main function; parse command line, set up assembler state, and run the
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129 // assembler on the first file
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130 int main(int argc, char **argv)
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131 {
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132 program_name = argv[0];
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133 lw_cmdline_parse(&argparser, argc, argv, 0, 0, NULL);
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134 if (archive_file == NULL)
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135 {
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136 fprintf(stderr, "You must specify an archive file.\n");
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137 exit(1);
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138 }
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139
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140 if (operation == 0)
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141 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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142 fprintf(stderr, "You must specify an operation.\n");
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143 exit(1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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145
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146 if (operation == LWAR_OP_LIST || operation == LWAR_OP_REMOVE || operation == LWAR_OP_EXTRACT)
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147 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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148 struct stat stbuf;
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149 // make sure the archive exists
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150 if (stat(archive_file, &stbuf) < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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151 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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152 fprintf(stderr, "Cannot open archive file %s:\n", archive_file);
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153 perror("");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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154 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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155 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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156 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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157 if (operation == LWAR_OP_CREATE)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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158 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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159 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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160 // check if the archive exists
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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161 if (stat(archive_file, &stbuf) < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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162 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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163 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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164 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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165 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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166 perror("");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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167 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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168 }
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 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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171 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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172 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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173 {
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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174 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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175 perror("");
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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176 exit(2);
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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177 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
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 switch (operation)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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183 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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184 case LWAR_OP_LIST:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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185 do_list();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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186 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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187
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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188 case LWAR_OP_ADD:
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_CREATE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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190 do_add();
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 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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192
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193 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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194 do_remove();
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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195 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
196
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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197 case LWAR_OP_REPLACE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
198 do_replace();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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199 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
200
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
201 case LWAR_OP_EXTRACT:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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202 do_extract();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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203 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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204 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
205
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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diff changeset
206 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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diff changeset
207 }