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annotate lwar/add.c @ 207:07e1fac76321

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Added pragma to allow non case sensitive symbols Added "nosymbolcase" and "symbolnocase" pragmas to cause symbols defined while the pragma is in effect to be treated as case insensitive. Also documented the new pragma.
author William Astle <lost@l-w.ca>
date Sat, 09 Jun 2012 15:47:22 -0600
parents 7317fbe024af
children 346966cffeef
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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1 /*
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2 add.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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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15 more details.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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16
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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17 You should have received a copy of the GNU General Public License along with
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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20
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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>
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
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28 #include <string.h>
0
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29
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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30 #include "lwar.h"
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31
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32 void do_add(void)
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33 {
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34 FILE *f;
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35 unsigned char buf[8];
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36 long l;
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37 int c;
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38 FILE *f2;
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39 int i;
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40
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41 f = fopen(archive_file, "r+");
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42 if (!f)
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43 {
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44 if (errno == ENOENT)
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45 {
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46 f = fopen(archive_file, "w");
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47 if (f)
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48 {
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49 fputs("LWAR1V", f);
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50 goto doadd;
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51 }
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52 }
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53 perror("Cannot open archive file");
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54 }
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55
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56 fread(buf, 1, 6, f);
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57 if (memcmp("LWAR1V", buf, 6))
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58 {
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59 fprintf(stderr, "%s is not a valid archive file.\n", archive_file);
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60 exit(1);
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61 }
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62
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63 for (;;)
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64 {
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65 c = fgetc(f);
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66 if (c == EOF && ferror(f))
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67 {
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68 perror("Reading archive file");
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69 exit(1);
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70 }
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71 if (c == EOF)
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72 goto doadd;
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73
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74 if (!c)
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75 {
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76 fseek(f, -1, SEEK_CUR);
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77 goto doadd;
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78 }
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79
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80 // find the end of the file name
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81 while (c)
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82 {
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83 c = fgetc(f);
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84 if (c == EOF || ferror(f))
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85 {
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86 fprintf(stderr, "Bad archive file\n");
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87 exit(1);
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88 }
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89 }
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90
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91 // get length of archive member
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92 l = 0;
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93 c = fgetc(f);
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94 l = c << 24;
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95 c = fgetc(f);
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96 l |= c << 16;
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97 c = fgetc(f);
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98 l |= c << 8;
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99 c = fgetc(f);
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100 l |= c;
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101
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102 fseek(f, l, SEEK_CUR);
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103 }
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104 // back up to the NUL byte at the end of the file
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105 fseek(f, -1, SEEK_CUR);
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106 doadd:
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107 for (i = 0; i < nfiles; i++)
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108 {
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109 f2 = fopen(files[i], "r");
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110 if (!f2)
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111 {
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112 fprintf(stderr, "Cannot open file %s:", files[i]);
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113 perror("");
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114 exit(1);
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115 }
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116 fread(buf, 1, 6, f2);
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117 if (mergeflag && !memcmp("LWAR1V", buf, 6))
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118 {
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119 // add archive contents...
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120 for (;;)
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121 {
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122 c = fgetc(f2);
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123 if (c == EOF || ferror(f2))
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124 {
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125 perror("Reading input archive file");
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126 exit(1);
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127 }
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128 if (c == EOF)
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129 break;
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130
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131 if (!c)
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132 {
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133 break;
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134 }
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135
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136 // find the end of the file name
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137 while (c)
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138 {
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139 fputc(c, f);
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140 c = fgetc(f2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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141 if (c == EOF || ferror(f))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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, "Bad input archive file\n");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144 exit(1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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147 fputc(0, f);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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148
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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149 // get length of archive member
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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150 l = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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151 c = fgetc(f2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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152 fputc(c, f);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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153 l = c << 24;
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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154 c = fgetc(f2);
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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155 fputc(c, f);
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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156 l |= c << 16;
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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157 c = fgetc(f2);
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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158 fputc(c, f);
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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159 l |= c << 8;
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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160 c = fgetc(f2);
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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161 fputc(c, f);
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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162 l |= c;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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 while (l)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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165 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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166 c = fgetc(f2);
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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167 fputc(c, f);
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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168 l--;
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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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172 fclose(f2);
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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173 continue;
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 }
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 fseek(f2, 0, SEEK_END);
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 l = ftell(f2);
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 fseek(f2, 0, SEEK_SET);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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178 fputs(files[i], f);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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179 fputc(0, f);
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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180 fputc(l >> 24, f);
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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181 fputc((l >> 16) & 0xff, f);
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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182 fputc((l >> 8) & 0xff, f);
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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183 fputc(l & 0xff, f);
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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184 while (l)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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185 {
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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186 c = fgetc(f2);
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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187 fputc(c, f);
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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188 l--;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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189 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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190 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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191
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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192 // flag end of file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193 fputc(0, f);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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194 }