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annotate lwar/main.c @ 396:d0c0fede5021

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Update to gcc6809lw patch which may help compilation of some sources Due to persistent random compiler crashes and errors related to "M_REGS", this patch update (4.6.4-2) essentially removes the varius constraints allowing the "soft registers" in most operations. It was causing more problems than it solved and it is not clear that the logic behind those soft registers even makes sense any more. This patch also fixes a bogus comparison related to selecting the right size for a constant. Instead of the excessively clever comparison scheme that was previously in use, the comparisons have been replaced with straight forward comparisions for the top and bottom of the relevant 2's complement ranges.
author William Astle <lost@l-w.ca>
date Mon, 20 Jul 2015 22:32:41 -0600
parents 221b5f58d8ad
children 45df37e81741
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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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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
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31 #include <lw_cmdline.h>
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32 #include <lw_version.h>
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33
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34 #include "lwar.h"
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35
386
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36 #ifdef _MSC_VER
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37 #include <lw_win.h> // windows build
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38 #else
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39 #include <unistd.h>
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40 #endif
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41
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42 // command line option handling
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43 #define PROGVER "lwar from " PACKAGE_STRING
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44 char *program_name;
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45
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46 static int parse_opts(int key, char *arg, void *state)
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47 {
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48 switch (key)
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49 {
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50 case 'd':
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51 // debug
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52 debug_level++;
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53 break;
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54
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55 case 'a':
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56 // add members
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57 operation = LWAR_OP_ADD;
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58 break;
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59
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60 case 'c':
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61 // create archive
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62 operation = LWAR_OP_CREATE;
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63 break;
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64
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65 case 'm':
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66 mergeflag = 1;
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67 break;
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68
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69 case 'r':
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70 // replace members
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71 operation = LWAR_OP_REPLACE;
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72 break;
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73
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74 case 'l':
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75 // list members
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76 operation = LWAR_OP_LIST;
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77 break;
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78
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79 case 'x':
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80 // extract members
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81 operation = LWAR_OP_EXTRACT;
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82 break;
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83
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84 case lw_cmdline_key_arg:
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85 if (archive_file)
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86 {
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87 // add archive member to list
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88 add_file_name(arg);
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89 }
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90 else
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91 archive_file = arg;
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92 break;
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93
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94 default:
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95 return lw_cmdline_err_unknown;
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96 }
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97 return 0;
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98 }
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99
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100 static struct lw_cmdline_options options[] =
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101 {
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102 { "replace", 'r', 0, 0,
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103 "Add or replace archive members" },
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104 { "extract", 'x', 0, 0,
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105 "Extract members from the archive" },
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106 { "add", 'a', 0, 0,
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107 "Add members to the archive" },
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108 { "list", 'l', 0, 0,
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109 "List the contents of the archive" },
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110 { "create", 'c', 0, 0,
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111 "Create new archive (or truncate existing one)" },
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112 { "merge", 'm', 0, 0,
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113 "Add the contents of archive arguments instead of the archives themselves" },
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114 { "debug", 'd', 0, 0,
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115 "Set debug mode"},
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116 { 0 }
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117 };
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118
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119 static struct lw_cmdline_parser argparser =
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120 {
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121 options,
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122 parse_opts,
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123 "ARCHIVE [FILE ...]",
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124 "lwar, a library file manager for lwlink",
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125 PROGVER
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126 };
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127
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128 extern void do_list(void);
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129 extern void do_add(void);
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130 extern void do_remove(void);
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131 extern void do_replace(void);
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132 extern void do_extract(void);
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133
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134 // main function; parse command line, set up assembler state, and run the
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135 // assembler on the first file
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136 int main(int argc, char **argv)
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137 {
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138 program_name = argv[0];
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diff changeset
139 lw_cmdline_parse(&argparser, argc, argv, 0, 0, NULL);
0
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140 if (archive_file == NULL)
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141 {
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142 fprintf(stderr, "You must specify an archive file.\n");
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143 exit(1);
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144 }
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145
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146 if (operation == 0)
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147 {
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148 fprintf(stderr, "You must specify an operation.\n");
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149 exit(1);
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150 }
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151
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152 if (operation == LWAR_OP_LIST || operation == LWAR_OP_REMOVE || operation == LWAR_OP_EXTRACT)
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153 {
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154 struct stat stbuf;
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155 // make sure the archive exists
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156 if (stat(archive_file, &stbuf) < 0)
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157 {
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158 fprintf(stderr, "Cannot open archive file %s:\n", archive_file);
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159 perror("");
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160 exit(2);
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161 }
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162 }
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163 if (operation == LWAR_OP_CREATE)
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164 {
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165 struct stat stbuf;
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166 // check if the archive exists
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167 if (stat(archive_file, &stbuf) < 0)
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168 {
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169 if (errno != ENOENT)
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170 {
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171 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
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172 perror("");
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173 exit(2);
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174 }
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175 }
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176 else
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177 {
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178 if (unlink(archive_file) < 0)
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179 {
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180 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
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181 perror("");
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182 exit(2);
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183 }
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184
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185 }
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186 }
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187
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188 switch (operation)
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189 {
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190 case LWAR_OP_LIST:
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191 do_list();
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192 break;
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193
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194 case LWAR_OP_ADD:
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195 case LWAR_OP_CREATE:
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196 do_add();
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197 break;
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198
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199 case LWAR_OP_REMOVE:
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200 do_remove();
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201 break;
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202
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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203 case LWAR_OP_REPLACE:
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204 do_replace();
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205 break;
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206
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207 case LWAR_OP_EXTRACT:
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208 do_extract();
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209 break;
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210 }
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211
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212 exit(0);
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213 }