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annotate ffstools/tiaud/decomp.c @ 1010:1d144553a5d0 default tip

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CHANGES: fc-host-tools-r21 about to be released
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 12 Dec 2023 07:45:56 +0000
parents 516066ac5bc1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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163
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This utility decompiles a binary /aud/*.cfg file read out of FFS
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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3 * into our ASCII text representation.
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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4 */
568e2a2b49c8 tiaud-decomp utility written
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5
568e2a2b49c8 tiaud-decomp utility written
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6 #include <sys/types.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <sys/file.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <sys/stat.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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9 #include <stdio.h>
568e2a2b49c8 tiaud-decomp utility written
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10 #include <stdint.h>
568e2a2b49c8 tiaud-decomp utility written
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11 #include <endian.h>
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12 #include <stdlib.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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13 #include <unistd.h>
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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14 #include "binstruct.h"
568e2a2b49c8 tiaud-decomp utility written
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15
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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16 struct audio_cfg_bin bin;
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17 int is_new_aec;
163
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18 FILE *outf;
568e2a2b49c8 tiaud-decomp utility written
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19
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20 read_bin_file(filename)
568e2a2b49c8 tiaud-decomp utility written
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21 char *filename;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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22 {
568e2a2b49c8 tiaud-decomp utility written
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23 int fd;
568e2a2b49c8 tiaud-decomp utility written
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24 struct stat st;
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25
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26 fd = open(filename, O_RDONLY);
568e2a2b49c8 tiaud-decomp utility written
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27 if (fd < 0) {
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28 perror(filename);
568e2a2b49c8 tiaud-decomp utility written
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29 exit(1);
568e2a2b49c8 tiaud-decomp utility written
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30 }
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31 fstat(fd, &st);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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32 if (!S_ISREG(st.st_mode)) {
568e2a2b49c8 tiaud-decomp utility written
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33 fprintf(stderr, "%s is not a regular file\n", filename);
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34 exit(1);
568e2a2b49c8 tiaud-decomp utility written
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35 }
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36 if (st.st_size == MODE_FILE_SIZE_OLDAEC)
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37 is_new_aec = 0;
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38 else if (st.st_size == MODE_FILE_SIZE_NEWAEC)
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39 is_new_aec = 1;
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40 else {
163
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41 fprintf(stderr, "%s has the wrong length\n", filename);
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42 exit(1);
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43 }
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44 read(fd, &bin, st.st_size);
163
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45 close(fd);
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46 }
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47
568e2a2b49c8 tiaud-decomp utility written
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48 emit_fir(table)
568e2a2b49c8 tiaud-decomp utility written
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49 uint16_t *table;
568e2a2b49c8 tiaud-decomp utility written
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50 {
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51 int i;
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52
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53 for (i = 0; i < 31; i++) {
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54 if ((i % 8) == 0)
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55 fprintf(outf, "\tfir %2d", i);
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Mychaela Falconia <falcon@freecalypso.org>
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56 fprintf(outf, " 0x%04X", le16toh(table[i]));
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57 if (i == 7 || i == 15 || i == 23 || i == 30)
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58 putc('\n', outf);
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59 }
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60 }
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61
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62 emit_ascii()
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63 {
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64 int i, num_aec;
163
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65
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66 fprintf(outf, "voice-path %u\n", bin.voice_path);
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67
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68 switch (bin.mic_mode) {
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69 case AUDIO_MICROPHONE_HANDHELD:
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70 fprintf(outf, "mic default {\n");
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71 break;
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72 case AUDIO_MICROPHONE_HANDFREE:
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73 fprintf(outf, "mic aux {\n");
568e2a2b49c8 tiaud-decomp utility written
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74 break;
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Mychaela Falconia <falcon@freecalypso.org>
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75 case AUDIO_MICROPHONE_HEADSET:
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76 fprintf(outf, "mic headset {\n");
568e2a2b49c8 tiaud-decomp utility written
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77 break;
568e2a2b49c8 tiaud-decomp utility written
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78 default:
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79 fprintf(stderr, "error: unknown microphone mode 0x%02X\n",
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80 bin.mic_mode);
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81 exit(1);
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82 }
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83 fprintf(outf, "\tgain %d\n", bin.mic_bytes[0]);
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84 if (bin.mic_mode == AUDIO_MICROPHONE_HANDFREE) {
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85 fprintf(outf, "\textra-gain %d\n", bin.mic_bytes[1]);
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86 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[2]);
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87 } else
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88 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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89 emit_fir(bin.mic_fir);
568e2a2b49c8 tiaud-decomp utility written
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90 fputs("}\n", outf);
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91
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92 switch (bin.speaker_mode) {
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93 case AUDIO_SPEAKER_HANDHELD:
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94 fprintf(outf, "speaker ear {\n");
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95 break;
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96 case AUDIO_SPEAKER_HANDFREE:
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97 fprintf(outf, "speaker aux {\n");
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98 break;
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99 case AUDIO_SPEAKER_HEADSET:
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100 fprintf(outf, "speaker headset {\n");
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101 break;
568e2a2b49c8 tiaud-decomp utility written
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102 case AUDIO_SPEAKER_BUZZER:
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103 fprintf(outf, "speaker buzzer {\n");
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104 break;
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105 case AUDIO_SPEAKER_HANDHELD_HANDFREE:
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106 fprintf(outf, "speaker ear+aux {\n");
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107 break;
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108 default:
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109 fprintf(stderr, "error: unknown speaker mode 0x%02X\n",
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110 bin.speaker_mode);
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111 exit(1);
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112 }
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113 if (bin.speaker_mode != AUDIO_SPEAKER_BUZZER) {
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114 fprintf(outf, "\tgain %d\n", bin.speaker_bytes[0]);
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115 fprintf(outf, "\taudio-filter %d\n", bin.speaker_bytes[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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116 emit_fir(bin.speaker_fir);
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117 } else
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118 fprintf(outf, "\tactivate %d\n", bin.speaker_bytes[0]);
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119 fputs("}\n", outf);
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120
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121 fprintf(outf, "sidetone %d\n", bin.sidetone_gain);
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122 if (is_new_aec) {
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123 fputs("aec-new", outf);
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124 num_aec = 12;
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125 } else {
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126 fputs("aec", outf);
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127 num_aec = 5;
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128 }
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129 for (i = 0; i < num_aec; i++) {
163
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130 putc(' ', outf);
568e2a2b49c8 tiaud-decomp utility written
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131 if (bin.aec_words[i])
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132 fprintf(outf, "0x%X", le16toh(bin.aec_words[i]));
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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133 else
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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134 putc('0', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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135 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 putc('\n', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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137 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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138
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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139 main(argc, argv)
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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140 char **argv;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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141 {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 if (argc < 2 || argc > 3) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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144 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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145 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 read_bin_file(argv[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 if (argc > 2) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 outf = fopen(argv[2], "w");
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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149 if (!outf) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 perror(argv[2]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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152 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 } else
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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154 outf = stdout;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 emit_ascii();
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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156 exit(0);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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157 }