FreeCalypso > hg > freecalypso-tools

annotate ringtools/fc-pwt-comp.c @ 1012:11391cb6bdc0

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patch from fixeria: doc change from SE K2x0 to K2xx Since their discovery in late 2022, Sony Ericsson K200 and K220 phones were collectively referred to as SE K2x0 in FreeCalypso documentation. However, now that SE K205 has been discovered as yet another member of the same family (same PCBA in different case), it makes more sense to refer to the whole family as SE K2xx.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Sep 2024 12:23:20 +0000
parents 16e259bff02b
children
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rev   line source
867
dfd98dd46068 ringtools: fc-pwt-comp utility written
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This program compiles a FreeCalypso PWT melody from our ASCII source
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3 * format into the compact binary format that will be uploaded into
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4 * FC device FFS for use by our BUZM melody player engine.
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5 *
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6 * The binary format going into FFS consists of 4-byte records;
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7 * each record has the following format:
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8 *
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9 * 1 byte: PWT note code [0,47] going directly into hw register
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10 * 1 byte: tone volume in [1,64] range, or 0 means rest period
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11 * 2 bytes LE: tone or rest duration in TDMA frames
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12 */
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13
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14 #include <stdio.h>
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15 #include <stdlib.h>
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16 #include <ctype.h>
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17 #include <string.h>
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18 #include <strings.h>
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19
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20 static struct pwt_note {
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21 char *name;
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22 int code;
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23 } pwt_notes_table[] = {
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24 {"f4", 47}, /* 349 Hz */
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25 {"fs4", 43}, /* 370 Hz */
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26 {"g4", 39}, /* 392 Hz */
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27 {"gs4", 35}, /* 415 Hz */
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28 {"a4", 31}, /* 440 Hz */
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29 {"as4", 27}, /* 466 Hz */
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30 {"b4", 23}, /* 494 Hz */
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31 {"c5", 19}, /* 523 Hz */
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32 {"cs5", 15}, /* 554 Hz */
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33 {"d5", 11}, /* 587 Hz */
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34 {"ds5", 7}, /* 622 Hz */
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35 {"e5", 3}, /* 659 Hz */
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36 {"f5", 46}, /* 698 Hz */
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37 {"fs5", 42}, /* 740 Hz */
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38 {"g5", 38}, /* 784 Hz */
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39 {"gs5", 34}, /* 831 Hz */
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40 {"a5", 30}, /* 880 Hz */
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41 {"as5", 26}, /* 932 Hz */
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42 {"b5", 22}, /* 988 Hz */
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43 {"c6", 18}, /* 1047 Hz */
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44 {"cs6", 14}, /* 1109 Hz */
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45 {"d6", 10}, /* 1175 Hz */
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46 {"ds6", 6}, /* 1245 Hz */
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47 {"e6", 2}, /* 1319 Hz */
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48 {"f6", 45}, /* 1397 Hz */
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49 {"fs6", 41}, /* 1480 Hz */
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50 {"g6", 37}, /* 1568 Hz */
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51 {"gs6", 33}, /* 1661 Hz */
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52 {"a6", 29}, /* 1760 Hz */
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53 {"as6", 25}, /* 1865 Hz */
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54 {"b6", 21}, /* 1976 Hz */
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55 {"c7", 17}, /* 2093 Hz */
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56 {"cs7", 13}, /* 2217 Hz */
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57 {"d7", 9}, /* 2349 Hz */
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58 {"ds7", 5}, /* 2489 Hz */
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59 {"e7", 1}, /* 2637 Hz */
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60 {"f7", 44}, /* 2794 Hz */
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61 {"fs7", 40}, /* 2960 Hz */
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62 {"g7", 36}, /* 3136 Hz */
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63 {"gs7", 32}, /* 3322 Hz */
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64 {"a7", 28}, /* 3520 Hz */
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65 {"as7", 24}, /* 3729 Hz */
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66 {"b7", 20}, /* 3951 Hz */
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67 {"c8", 16}, /* 4186 Hz */
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68 {"cs8", 12}, /* 4435 Hz */
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69 {"d8", 8}, /* 4699 Hz */
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70 {"ds8", 4}, /* 4978 Hz */
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71 {"e8", 0}, /* 5274 Hz */
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72 /* table search terminator */
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73 {0, -1}
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74 };
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75
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76 char *infname, *outfname;
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77 FILE *inf, *outf;
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78 char linebuf[256], *fields[3];
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79 int lineno, nfields;
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80
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81 parse_line_into_fields()
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82 {
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83 char *cp;
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84
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85 cp = index(linebuf, '\n');
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86 if (!cp) {
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87 fprintf(stderr, "%s line %d: missing newline\n",
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88 infname, lineno);
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89 exit(1);
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90 }
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91 cp = linebuf;
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92 nfields = 0;
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93 for (;;) {
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94 while (isspace(*cp))
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95 cp++;
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96 if (*cp == '\0' || *cp == '#')
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97 break;
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98 if (nfields >= 3) {
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99 fprintf(stderr, "%s line %d: too many fields\n",
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100 infname, lineno);
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101 exit(1);
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102 }
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103 fields[nfields++] = cp;
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104 while (*cp && !isspace(*cp))
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105 cp++;
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106 if (*cp)
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107 *cp++ = '\0';
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108 }
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109 }
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110
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111 emit_record(freq, volume, duration)
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112 unsigned freq, volume, duration;
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113 {
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114 putc(freq, outf);
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115 putc(volume, outf);
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116 putc(duration & 0xFF, outf);
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117 putc(duration >> 8, outf);
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118 }
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119
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120 process_tone_entry()
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121 {
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122 struct pwt_note *tp;
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123 unsigned note_vol, duration;
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124
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125 for (tp = pwt_notes_table; tp->name; tp++)
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126 if (!strcmp(tp->name, fields[0]))
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127 break;
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128 if (tp->code < 0) {
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129 fprintf(stderr, "%s line %d: invalid note name\n",
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130 infname, lineno);
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131 exit(1);
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132 }
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133 note_vol = strtoul(fields[1], 0, 0);
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134 if (note_vol < 1 || note_vol > 64) {
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135 fprintf(stderr, "%s line %d: invalid note volume\n",
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136 infname, lineno);
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137 exit(1);
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138 }
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139 duration = strtoul(fields[2], 0, 0);
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140 if (duration < 1 || duration > 0xFFFF) {
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141 fprintf(stderr,
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142 "%s line %d: the duration number is out of range\n",
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143 infname, lineno);
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144 exit(1);
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145 }
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146 emit_record(tp->code, note_vol, duration);
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147 }
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148
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149 process_rest_entry()
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150 {
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151 unsigned duration;
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152
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153 duration = strtoul(fields[1], 0, 0);
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154 if (duration < 1 || duration > 0xFFFF) {
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155 fprintf(stderr,
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156 "%s line %d: the duration number is out of range\n",
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157 infname, lineno);
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158 exit(1);
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159 }
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160 emit_record(0, 0, duration);
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161 }
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162
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163 main(argc, argv)
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164 char **argv;
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165 {
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166 int nonempty;
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167
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168 if (argc != 3) {
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169 fprintf(stderr, "usage: %s src-file bin-file\n", argv[0]);
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170 exit(1);
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171 }
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172 if (strcmp(argv[1], "-")) {
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173 infname = argv[1];
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174 inf = fopen(infname, "r");
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175 if (!inf) {
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176 perror(infname);
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177 exit(1);
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178 }
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179 } else {
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180 infname = "stdin";
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181 inf = stdin;
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182 }
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183 outfname = argv[2];
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184 outf = fopen(outfname, "w");
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185 if (!outf) {
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186 perror(outfname);
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187 exit(1);
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188 }
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189
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190 nonempty = 0;
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191 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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192 parse_line_into_fields();
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193 if (!nfields)
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194 continue;
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195 if (nfields == 3)
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196 process_tone_entry();
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197 else if (nfields == 2 && !strcmp(fields[0], "rest"))
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198 process_rest_entry();
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199 else {
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200 fprintf(stderr, "%s line %d: invalid syntax\n",
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201 infname, lineno);
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202 exit(1);
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203 }
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204 nonempty = 1;
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205 }
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206 if (nonempty)
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207 exit(0);
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208 else {
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209 fprintf(stderr, "error: %s is empty\n", infname);
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210 exit(1);
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211 }
867
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212 }