annotate src/readpstlog.c @ 59:7d5c637aaafb

General cleanup and code fixes. Use autoscan to cleanup our autoconf system. Use autoconf to detect when we need to use our XGetopt files and other header files. Decode BCC field. Fix missing LE32_CPU byte swapping for FILETIME types.
author Carl Byington <carl@five-ten-sg.com>
date Thu, 14 Feb 2008 14:55:32 -0800
parents 034641c26ab9
children b12f4e50e2e8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
48
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1 #include "define.h"
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2
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3 #include <stdio.h>
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4 #include <ctype.h>
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5 #include <string.h>
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6
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7 #ifndef _WIN32
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8 # include <unistd.h>
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9 #endif
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10
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11 #ifndef __GNUC__
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12 # include "XGetopt.h"
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13 #endif
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14
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15
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16 #define BUF_SIZE 4096
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17
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18 int usage();
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19 size_t get(void * buf, int size, unsigned int count, FILE *fp);
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20 int split_args(char *args, int **targ);
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21 int is_in(int a, int *b, int c);
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22
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23 int main(int argc, char** argv) {
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24 int identity = 0;
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25 int level = 0;
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26 off_t *i = NULL;
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27 int x, ptr, stop=0, flag;
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28 char *fname, *buf, rec_type;
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29 unsigned char version;
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30 int *show_type=NULL, show_size=0;
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31 int *ex_type=NULL, ex_size=0;
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32 unsigned int funcname=0, filename=0, text=0, end=0, dtype=0, line=0, c;
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33 FILE *fp;
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34 struct pst_debug_file_rec_m mfile_rec;
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35 struct pst_debug_file_rec_l lfile_rec;
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36 char format = 'D'; // default
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37 while ((c = getopt(argc, argv, "f:t:x:")) != -1) {
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38 switch(c) {
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39 case 'f':
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40 // change the output format
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41 format = toupper(optarg[0]);
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42 break;
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43 case 't':
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44 //change the type of statements shown
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45 show_size = split_args(optarg, &show_type);
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46 // type = atoi(optarg);
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47 break;
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48 case 'x':
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49 // change the type of statements excluded
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50 ex_size = split_args(optarg, &ex_type);
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51 break;
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52 }
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53 }
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54 if (argc > optind) {
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55 fname = argv[optind++];
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56 } else {
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57 usage();
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58 exit(2);
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59 }
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60
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61 fp = fopen(fname, "rb");
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62 if (fp == NULL) {
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63 printf("Error. couldn't open debug file\n");
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64 return 2;
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65 }
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66 if (get(&version, sizeof(char), 1, fp)==0) {
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67 printf("Error. could not read version byte from front of file");
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68 return 3;
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69 }
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70
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71 if (version > DEBUG_VERSION) {
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72 printf("Version number is higher than the format I know about.");
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73 return 4;
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74 }
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75
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76 buf = (char*) xmalloc(BUF_SIZE);
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77
52
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78 while (!stop) {
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79 off_t temp;
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80 if (fread(&temp, sizeof(off_t), 1, fp)<=0) break;
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81 x = (int)temp;
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82 ptr = 0;
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83 if (x > 0) {
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84 if (i) free(i);
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85 i = (off_t*)xmalloc(sizeof(off_t)*(x+1));
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86 // plus 1 cause we want to read the offset of the next index
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87 if (get(i, sizeof(off_t), x+1, fp)==0) {
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88 // we have reached the end of the debug file
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89 printf("oh dear. we must now end\n");
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90 break;
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91 }
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92 while (ptr < x) {
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93 fseek(fp, i[ptr++], SEEK_SET);
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94 get(&rec_type, 1, sizeof(char), fp);
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95 if (rec_type == 'L') {
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96 get(&lfile_rec, sizeof(lfile_rec), 1, fp);
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97 funcname=lfile_rec.funcname;
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98 filename=lfile_rec.filename;
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99 text = lfile_rec.text;
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100 end = lfile_rec.end;
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101 dtype = lfile_rec.type;
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102 line = lfile_rec.line;
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103 } else if (rec_type == 'M') {
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104 get(&mfile_rec, sizeof(mfile_rec), 1, fp);
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105 funcname = mfile_rec.funcname;
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106 filename = mfile_rec.filename;
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107 text = mfile_rec.text;
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108 end = mfile_rec.end;
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109 dtype = mfile_rec.type;
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110 line = mfile_rec.line;
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111 }
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112 if (dtype == DEBUG_FUNCENT_NO) level++;
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113 if ((show_type == NULL || is_in(dtype, show_type, show_size)) &&
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114 (ex_type == NULL || !is_in(dtype, ex_type, ex_size))) {
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115 c = 0; flag = 0;
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116 while (c < end) {
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117 int ii = (level-1) * 4;
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118 if (ii < 0) ii = 0;
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119 if (ii > 64) ii = 64;
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120 char indent[ii+1];
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121 memset(indent, ' ', ii);
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122 indent[ii] = '\0';
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123 if (c + (BUF_SIZE-1) < end) {
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124 get(buf, 1, BUF_SIZE-1, fp);
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125 buf[BUF_SIZE-1] = '\0';
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126 c += BUF_SIZE-1;
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127 } else {
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128 get(buf, 1, end-c, fp);
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129 buf[end-c] = '\0';
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130 c = end;
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131 }
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132 if (flag == 0) {
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133 if (format == 'I') { // indented text format
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134 char *b = buf+text;
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135 identity++;
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136 //printf("%s %d %s/%s[%d]: ", indent, identity, &buf[filename], &buf[funcname], line);
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137 printf("%s %s/%s[%d]: ", indent, &buf[filename], &buf[funcname], line);
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138 while (b) {
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139 char *p = strchr(b, '\n');
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140 if (p) {
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141 *p = '\0';
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142 printf("%s\n%s ", b, indent);
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143 b = p + 1;
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144 }
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145 else {
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146 printf("%s", b);
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147 b = NULL;
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148 }
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149 }
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150 }
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151 else if (format == 'T') { // text format
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152 printf("%s/%s[%d]: %s", &buf[filename], &buf[funcname], line, &buf[text]);
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153 } else {
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154 printf("Type: %d\nFile[line]: %s[%d]\nFunction:%s\nText:%s", dtype,
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155 &buf[filename], line, &buf[funcname], &buf[text]);
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156 }
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157 flag = 1;
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158 } else {
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159 if (format == 'I') {
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160 char *b = buf;
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161 while (b) {
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162 char *p = strchr(b, '\n');
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163 if (p) {
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164 *p = '\0';
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165 printf("%s\n%s ", b, indent);
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166 b = p + 1;
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167 }
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168 else {
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169 printf("%s", b);
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170 b = NULL;
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171 }
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172 }
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173 }
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174 else printf("%s", buf);
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175 }
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176 }
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177 printf("\n");
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178 }
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179 if (dtype == DEBUG_FUNCRET_NO) level--;
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180 }
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181 if (fseek(fp, i[ptr], SEEK_SET)==-1) {
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182 printf("finished\n");
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183 break;
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184 }
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185 } else {
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186 printf("...no more items\n");
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187 break;
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188 }
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189 }
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190 free(buf);
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191 fclose(fp);
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192 if (format == 'I') printf("final indent level = %i\n", level);
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193 return 0;
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194 }
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195
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196 size_t get(void *buf, int size, unsigned int count, FILE *fp) {
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197 size_t z;
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198 if ((z=fread(buf, size, count, fp)) < count) {
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199 printf("Read Failed! (size=%d, count=%d,z=%ld)\n", size, count, (long)z);
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200 exit(1);
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201 }
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202 return z;
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203 }
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204
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205 int usage() {
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206 printf("readlog -t[show_type] -x[exclude_type] -f[format] filename\n");
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207 printf("\tformat:\n\t\tt: text log format\n");
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208 printf("\t\ti: indented text log format\n");
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209 printf("\tshow_type:\n\t\tcomma separated list of types to show "
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210 "[ie, 2,4,1,6]\n");
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211 printf("\texclude_type:\n\t\tcomma separated list of types to exclude "
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212 "[ie, 1,5,3,7]\n");
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213 return 0;
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214 }
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215
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216
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217 int split_args(char *args, int **targ) {
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218 int count = 1, *i, x, z;
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219 char *tmp = args, *y;
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220 if (*targ != NULL) {
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221 free(*targ);
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222 }
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223 // find the number of tokens in the string. Starting
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224 // from 1 cause there will always be one
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225 while ((tmp = strchr(tmp, ',')) != NULL) {
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226 tmp++; count++;
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227 }
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228 *targ = (int*)xmalloc(count * sizeof(int));
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229 i = *targ; // for convienience
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230 tmp = args;
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231 z = 0;
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232 for (x = 0; x < count; x++) {
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233 y = strtok(tmp, ",");
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234 tmp = NULL; // must be done after first call
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235 if (y != NULL) {
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236 i[x] = atoi(y);
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237 z++;
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238 }
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239 }
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240 return z;
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241 }
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242
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243
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244 // checks to see if the first arg is in the array of the second arg,
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245 // the size of which is specified with the third arg. If the second
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246 // arg is NULL, then it is obvious that it is not there.
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247 int is_in(int a, int *b, int c){
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248 int d = 0;
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249 if (b == NULL || c == 0) { // no array or no items in array
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250 return 0;
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251 }
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252 while (d < c) {
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253 if (a == b[d]) return 1;
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254 d++;
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255 }
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256 return 0;
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257 }