FreeCalypso > hg > freecalypso-hwlab

annotate ee2232/ee2232-gen.c @ 169:17ffa6c66951

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ee2232/README: update deprecation notice, point at the current version in fc-usbser-tools
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Sep 2023 04:17:09 +0000
parents 252e3d37b9e5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
be4cbc0efb7e ee2232-gen program written
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1 #include <sys/types.h>
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2 #include <ctype.h>
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3 #include <string.h>
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4 #include <strings.h>
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7
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8 u_short vid = 0x0403, pid = 0x6010;
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9 char *manuf, *product;
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10 u_char byte00 = 0x08, byte01 = 0x08;
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11 u_char byte08 = 0x80, byte0A = 0x00;
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12 unsigned maxpower = 100;
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13 u_short usb_version = 0x0200;
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14
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15 u_short eeprom[64];
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16 unsigned eeprom_string_ptr = 0x0B;
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17
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18 read_config_file(filename)
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19 char *filename;
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20 {
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21 FILE *inf;
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22 char linebuf[1024];
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23 int lineno;
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24 char *cp, *np;
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25
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26 inf = fopen(filename, "r");
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27 if (!inf) {
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28 perror(filename);
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29 exit(1);
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30 }
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31 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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32 cp = index(linebuf, '\n');
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33 if (!cp) {
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34 fprintf(stderr,
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35 "%s line %d: too long or unterminated\n",
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36 filename, lineno);
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37 exit(1);
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38 }
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39 *cp = '\0';
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40 for (cp = linebuf; isspace(*cp); cp++)
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41 ;
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42 if (*cp == '\0' || *cp == '#')
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43 continue;
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44 for (np = cp; *cp && !isspace(*cp); cp++)
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45 ;
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46 if (*cp)
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47 *cp++ = '\0';
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48 while (isspace(*cp))
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49 cp++;
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50 if (*cp == '\0' || *cp == '#') {
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51 fprintf(stderr,
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52 "%s line %d: \"%s\" setting without argument\n",
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53 filename, lineno, np);
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54 exit(1);
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55 }
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56 if (!strcmp(np, "vid"))
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57 vid = strtoul(cp, 0, 16);
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58 else if (!strcmp(np, "pid"))
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59 pid = strtoul(cp, 0, 16);
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60 else if (!strcmp(np, "manuf"))
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61 manuf = strdup(cp);
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62 else if (!strcmp(np, "product"))
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63 product = strdup(cp);
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64 else if (!strcmp(np, "byte00"))
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65 byte00 = strtoul(cp, 0, 16);
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66 else if (!strcmp(np, "byte01"))
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67 byte01 = strtoul(cp, 0, 16);
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68 else if (!strcmp(np, "byte08"))
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69 byte08 = strtoul(cp, 0, 16);
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70 else if (!strcmp(np, "byte0A"))
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71 byte0A = strtoul(cp, 0, 16);
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72 else if (!strcmp(np, "maxpower"))
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73 maxpower = strtoul(cp, 0, 10);
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74 else if (!strcmp(np, "usbver"))
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75 usb_version = strtoul(cp, 0, 16);
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76 else {
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77 fprintf(stderr, "%s line %d: unknown \"%s\" setting\n",
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78 filename, lineno, np);
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79 exit(1);
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80 }
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81 }
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82 fclose(inf);
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83 if (!manuf) {
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84 fprintf(stderr, "error: manuf not set in %s\n", filename);
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85 exit(1);
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86 }
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87 if (!product) {
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88 fprintf(stderr, "error: product not set in %s\n", filename);
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89 exit(1);
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90 }
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91 }
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92
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93 write_string(str)
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94 char *str;
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95 {
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96 unsigned longlen, startptr;
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97
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98 longlen = strlen(str) * 2 + 2;
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99 startptr = eeprom_string_ptr;
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100 eeprom[eeprom_string_ptr++] = 0x0300 | longlen;
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101 while (*str)
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102 eeprom[eeprom_string_ptr++] = *str++;
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103 return (longlen << 8) | 0x80 | (startptr << 1);
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104 }
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105
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106 fill_eeprom(serial)
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107 char *serial;
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108 {
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109 u_char byte09;
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110
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111 if (serial)
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112 byte0A |= 0x08;
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113 else
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114 byte0A &= 0xF7;
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115 byte09 = maxpower / 2;
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116 eeprom[0] = (byte01 << 8) | byte00;
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117 eeprom[1] = vid;
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118 eeprom[2] = pid;
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119 eeprom[3] = 0x0500;
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120 eeprom[4] = (byte09 << 8) | byte08;
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121 eeprom[5] = byte0A;
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122 eeprom[6] = usb_version;
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123 eeprom[7] = write_string(manuf);
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124 eeprom[8] = write_string(product);
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125 if (serial)
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126 eeprom[9] = write_string(serial);
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127 else
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128 eeprom[9] = 0;
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129 eeprom[10] = 0x46;
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130 }
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131
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132 do_checksum()
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133 {
2
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134 u_short chksum = 0xAAAA;
0
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135 unsigned n;
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136
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137 for (n = 0; n < 63; n++) {
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138 chksum ^= eeprom[n];
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139 chksum = (chksum << 1) | (chksum >> 15);
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140 }
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141 eeprom[63] = chksum;
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142 }
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143
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144 emit_output()
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Mychaela Falconia <falcon@freecalypso.org>
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145 {
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Mychaela Falconia <falcon@freecalypso.org>
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146 unsigned n, col;
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Mychaela Falconia <falcon@freecalypso.org>
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147
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148 for (n = 0; n < 64; n++) {
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149 col = n & 7;
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Mychaela Falconia <falcon@freecalypso.org>
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150 if (col == 0)
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151 printf("%02X:", n * 2);
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Mychaela Falconia <falcon@freecalypso.org>
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152 printf(" %04X", eeprom[n]);
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Mychaela Falconia <falcon@freecalypso.org>
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153 if (col == 7)
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Mychaela Falconia <falcon@freecalypso.org>
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154 putchar('\n');
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155 }
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156 }
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157
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Mychaela Falconia <falcon@freecalypso.org>
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158 main(argc, argv)
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Mychaela Falconia <falcon@freecalypso.org>
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159 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
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160 {
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Mychaela Falconia <falcon@freecalypso.org>
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161 if (argc < 2 || argc > 3) {
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Mychaela Falconia <falcon@freecalypso.org>
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162 fprintf(stderr, "usage: %s config-file [serial-num]\n",
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163 argv[0]);
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Mychaela Falconia <falcon@freecalypso.org>
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164 exit(1);
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165 }
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Mychaela Falconia <falcon@freecalypso.org>
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166 read_config_file(argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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167 fill_eeprom(argv[2]);
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Mychaela Falconia <falcon@freecalypso.org>
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168 do_checksum();
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Mychaela Falconia <falcon@freecalypso.org>
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169 emit_output();
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Mychaela Falconia <falcon@freecalypso.org>
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170 exit(0);
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171 }