annotate src/readpstlog.c @ 86:7d8cc1712221

Added tag stable-0-6-15 for changeset 582e927756d3
author Carl Byington <carl@five-ten-sg.com>
date Wed, 30 Jul 2008 22:27:08 -0700
parents 987aa872294e
children 0f1492b7fe8b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include "define.h"
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2
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3 #define BUF_SIZE 4096
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4
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5 int usage();
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6 size_t get(void * buf, int size, unsigned int count, FILE *fp);
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7 int split_args(char *args, int **targ);
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8 int is_in(int a, int *b, int c);
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9
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10 int main(int argc, char** argv) {
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11 int identity = 0;
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12 int level = 0;
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13 int x, ptr, stop=0, flag;
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14 char *fname, *buf, rec_type;
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15 unsigned char version;
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16 int *show_type=NULL, show_size=0;
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17 int *ex_type=NULL, ex_size=0;
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18 unsigned int funcname=0, filename=0, text=0, end=0, dtype=0, line=0;
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19 int c;
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20 char ch;
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21 FILE *fp;
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22 struct pst_debug_file_rec_m mfile_rec;
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23 struct pst_debug_file_rec_l lfile_rec;
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24 char format = 'D'; // default
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25 while ((c = getopt(argc, argv, "f:t:x:")) != -1) {
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26 ch = c;
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27 switch(ch) {
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28 case 'f':
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29 // change the output format
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30 format = toupper(optarg[0]);
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31 break;
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32 case 't':
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33 //change the type of statements shown
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34 show_size = split_args(optarg, &show_type);
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35 // type = atoi(optarg);
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36 break;
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37 case 'x':
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38 // change the type of statements excluded
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39 ex_size = split_args(optarg, &ex_type);
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40 break;
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41 }
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42 }
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43 if (argc > optind) {
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44 fname = argv[optind++];
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45 } else {
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46 usage();
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47 exit(2);
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48 }
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49
52
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50 fp = fopen(fname, "rb");
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51 if (fp == NULL) {
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52 printf("Error. couldn't open debug file\n");
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53 return 2;
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54 }
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55 if (get(&version, sizeof(char), 1, fp)==0) {
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56 printf("Error. could not read version byte from front of file");
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57 return 3;
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58 }
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59
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60 if (version > DEBUG_VERSION) {
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61 printf("Version number is higher than the format I know about.");
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62 return 4;
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63 }
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64
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65 buf = (char*) xmalloc(BUF_SIZE);
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66
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67 while (!stop) {
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68 off_t temp;
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69 if (fread(&temp, sizeof(off_t), 1, fp)<=0) break;
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70 x = (int)temp;
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71 ptr = 0;
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72 if (x > 0) {
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73 off_t i[x+1]; // plus 1 because we want to read the offset of the next index
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74 if (get(i, sizeof(off_t), x+1, fp)==0) {
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75 // we have reached the end of the debug file
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76 printf("oh dear. we must now end\n");
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77 break;
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78 }
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79 while (ptr < x) {
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80 fseeko(fp, i[ptr++], SEEK_SET);
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81 get(&rec_type, 1, sizeof(char), fp);
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82 if (rec_type == 'L') {
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83 get(&lfile_rec, sizeof(lfile_rec), 1, fp);
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84 funcname=lfile_rec.funcname;
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85 filename=lfile_rec.filename;
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86 text = lfile_rec.text;
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87 end = lfile_rec.end;
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88 dtype = lfile_rec.type;
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89 line = lfile_rec.line;
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90 } else if (rec_type == 'M') {
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91 get(&mfile_rec, sizeof(mfile_rec), 1, fp);
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92 funcname = mfile_rec.funcname;
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93 filename = mfile_rec.filename;
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94 text = mfile_rec.text;
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95 end = mfile_rec.end;
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96 dtype = mfile_rec.type;
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97 line = mfile_rec.line;
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98 }
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99 if (dtype == DEBUG_FUNCENT_NO) level++;
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100 if ((show_type == NULL || is_in(dtype, show_type, show_size)) &&
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101 (ex_type == NULL || !is_in(dtype, ex_type, ex_size))) {
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102 unsigned int c = 0;
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103 flag = 0;
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104 while (c < end) {
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105 int ii = (level-1) * 4;
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106 if (ii < 0) ii = 0;
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107 if (ii > 64) ii = 64;
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108 char indent[ii+1];
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109 memset(indent, ' ', ii);
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110 indent[ii] = '\0';
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111 if (c + (BUF_SIZE-1) < end) {
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112 get(buf, 1, BUF_SIZE-1, fp);
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113 buf[BUF_SIZE-1] = '\0';
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114 c += BUF_SIZE-1;
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115 } else {
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116 get(buf, 1, end-c, fp);
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117 buf[end-c] = '\0';
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118 c = end;
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119 }
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120 if (flag == 0) {
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121 if (format == 'I') { // indented text format
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122 char *b = buf+text;
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123 identity++;
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124 //printf("%s %d %s/%s[%d]: ", indent, identity, &buf[filename], &buf[funcname], line);
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125 printf("%s %s/%s[%d]: ", indent, &buf[filename], &buf[funcname], line);
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126 while (b) {
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127 char *p = strchr(b, '\n');
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128 if (p) {
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129 *p = '\0';
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130 printf("%s\n%s ", b, indent);
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131 b = p + 1;
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132 }
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133 else {
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134 printf("%s", b);
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135 b = NULL;
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136 }
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137 }
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138 }
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139 else if (format == 'T') { // text format
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140 printf("%s/%s[%d]: %s", &buf[filename], &buf[funcname], line, &buf[text]);
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141 } else {
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142 printf("Type: %d\nFile[line]: %s[%d]\nFunction:%s\nText:%s", dtype,
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143 &buf[filename], line, &buf[funcname], &buf[text]);
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144 }
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145 flag = 1;
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146 } else {
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147 if (format == 'I') {
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148 char *b = buf;
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149 while (b) {
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150 char *p = strchr(b, '\n');
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151 if (p) {
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152 *p = '\0';
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153 printf("%s\n%s ", b, indent);
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154 b = p + 1;
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155 }
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156 else {
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157 printf("%s", b);
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158 b = NULL;
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159 }
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160 }
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161 }
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162 else printf("%s", buf);
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163 }
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164 }
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165 printf("\n");
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166 }
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167 if (dtype == DEBUG_FUNCRET_NO) level--;
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168 }
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169 if (fseeko(fp, i[ptr], SEEK_SET)==-1) {
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170 printf("finished\n");
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171 break;
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172 }
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173 } else {
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174 printf("...no more items\n");
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175 break;
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176 }
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177 }
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178 free(buf);
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179 fclose(fp);
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180 if (format == 'I') printf("final indent level = %i\n", level);
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181 return 0;
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182 }
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183
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184 size_t get(void *buf, int size, unsigned int count, FILE *fp) {
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185 size_t z;
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186 if ((z=fread(buf, size, count, fp)) < count) {
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187 printf("Read Failed! (size=%d, count=%d,z=%ld)\n", size, count, (long)z);
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188 exit(1);
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189 }
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190 return z;
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191 }
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192
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193 int usage() {
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194 printf("readlog -t[show_type] -x[exclude_type] -f[format] filename\n");
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195 printf("\tformat:\n\t\tt: text log format\n");
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196 printf("\t\ti: indented text log format\n");
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197 printf("\tshow_type:\n\t\tcomma separated list of types to show "
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198 "[ie, 2,4,1,6]\n");
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199 printf("\texclude_type:\n\t\tcomma separated list of types to exclude "
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200 "[ie, 1,5,3,7]\n");
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201 return 0;
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202 }
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203
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204
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205 int split_args(char *args, int **targ) {
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206 int count = 1, *i, x, z;
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207 char *tmp = args, *y;
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208 if (*targ != NULL) {
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209 free(*targ);
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210 }
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211 // find the number of tokens in the string. Starting
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212 // from 1 cause there will always be one
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213 while ((tmp = strchr(tmp, ',')) != NULL) {
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214 tmp++; count++;
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215 }
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216 *targ = (int*)xmalloc(count * sizeof(int));
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217 i = *targ; // for convienience
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218 tmp = args;
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219 z = 0;
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220 for (x = 0; x < count; x++) {
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221 y = strtok(tmp, ",");
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222 tmp = NULL; // must be done after first call
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223 if (y != NULL) {
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224 i[x] = atoi(y);
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225 z++;
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226 }
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227 }
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228 return z;
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229 }
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230
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231
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232 // checks to see if the first arg is in the array of the second arg,
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233 // the size of which is specified with the third arg. If the second
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234 // arg is NULL, then it is obvious that it is not there.
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235 int is_in(int a, int *b, int c){
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236 int d = 0;
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237 if (b == NULL || c == 0) { // no array or no items in array
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238 return 0;
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239 }
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240 while (d < c) {
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241 if (a == b[d]) return 1;
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242 d++;
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243 }
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244 return 0;
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245 }