annotate readpstlog.c @ 6:3484500f514e

revert to vendor branch, since I don't care about this part
author carl
date Thu, 23 Dec 2004 11:44:01 -0800
parents 6b1b602514db
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <stdio.h>
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2 #include <ctype.h>
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3 #include <string.h>
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4
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5 #ifndef _WIN32
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6 # include <unistd.h>
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7 #endif
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8
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9 #ifndef __GNUC__
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10 # include "XGetopt.h"
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11 #endif
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12
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13 #include "define.h"
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14
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15 #define BUF_SIZE 4096
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16
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17 int usage();
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18 size_t get(void * buf, int size, unsigned int count, FILE *fp);
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19 int split_args(char *args, int **targ);
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20 int is_in(int a, int *b, int c);
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21
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22 int main(int argc, char** argv) {
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23 int *i=NULL, x, ptr, stop=0, flag;
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24 char *fname, *buf, format, rec_type;
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25 unsigned char version;
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26 int *show_type=NULL, show_size=0;
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27 int *ex_type=NULL, ex_size=0;
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28 unsigned int funcname, filename, text, end, dtype, line, c;
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29 FILE *fp;
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30 struct _debug_file_rec_m mfile_rec;
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31 struct _debug_file_rec_l lfile_rec;
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32
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33 while ((c = getopt(argc, argv, "f:t:x:")) != -1) {
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34 switch(c) {
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35 case 'f':
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36 // change the output format
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37 format = toupper(optarg[0]);
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38 break;
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39 case 't':
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40 //change the type of statements shown
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41 show_size = split_args(optarg, &show_type);
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42 // type = atoi(optarg);
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43 break;
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44 case 'x':
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45 // change the type of statements excluded
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46 ex_size = split_args(optarg, &ex_type);
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47 break;
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48 }
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49 }
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50 if (argc > optind) {
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51 fname = argv[optind++];
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52 } else {
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53 usage();
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54 exit(2);
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55 }
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56
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57 fp = fopen(fname, "rb");
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58 if (fp == NULL) {
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59 printf("Error. couldn't open debug file\n");
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60 return 2;
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61 }
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62 if (get(&version, sizeof(char), 1, fp)==0) {
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63 printf("Error. could not read version byte from front of file");
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64 return 3;
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65 }
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66
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67 if (version > DEBUG_VERSION) {
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68 printf("Version number is higher than the format I know about.");
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69 return 4;
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70 }
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71
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72 buf = (char*) xmalloc(BUF_SIZE);
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73
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74 while (!stop) {
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75 if (fread(&x, sizeof(int), 1, fp)<=0) {
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76 break;
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77 }
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78 ptr = 0;
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79 if (x > 0) {
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80 if (i != NULL)
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81 free(i);
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82 i = (int*)xmalloc(sizeof(int)*(x+1));
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83 // plus 1 cause we want to read the offset of the next index
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84 if (get(i, sizeof(int), x+1, fp)==0) {
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85 // we have reached the end of the debug file
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86 printf("oh dear. we must now end\n");
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87 break;
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88 }
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89 while (ptr < x) {
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90 fseek(fp,i[ptr++], SEEK_SET);
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91 get(&rec_type, 1, sizeof(char), fp);
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92 if (rec_type == 'L') {
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93 get(&lfile_rec, sizeof(lfile_rec), 1, fp);
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94 funcname=lfile_rec.funcname;
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95 filename=lfile_rec.filename;
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96 text = lfile_rec.text;
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97 end = lfile_rec.end;
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98 dtype = lfile_rec.type;
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99 line = lfile_rec.line;
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100 } else if (rec_type == 'M') {
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101 get(&mfile_rec, sizeof(mfile_rec), 1, fp);
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102 funcname = mfile_rec.funcname;
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103 filename = mfile_rec.filename;
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104 text = mfile_rec.text;
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105 end = mfile_rec.end;
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106 dtype = mfile_rec.type;
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107 line = mfile_rec.line;
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108 }
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109 if ((show_type == NULL || is_in(dtype, show_type, show_size))
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110 && (ex_type == NULL || !is_in(dtype, ex_type, ex_size))) {
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111 c = 0; flag = 0;
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112 while (c < end) {
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113 if (c + (BUF_SIZE-1) < end) {
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114 get(buf, 1, BUF_SIZE-1, fp);
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115 buf[BUF_SIZE-1] = '\0';
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116 c += BUF_SIZE-1;
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117 } else {
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118 get(buf, 1, end-c, fp);
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119 buf[end-c] = '\0';
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120 c = end;
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121 }
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122 if (flag == 0) {
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123 if (format=='T') { // text format
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124 printf("%s[%d]: %s", &buf[funcname], line, &buf[text]);
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125 } else {
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126 printf("Type: %d\nFile[line]: %s[%d]\nFunction:%s\nText:%s", dtype,
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127 &buf[filename], line, &buf[funcname], &buf[text]);
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128 }
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129 flag = 1;
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130 } else {
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131 printf("%s", buf);
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132 }
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133 }
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134 printf("\n");
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135 }
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136 }
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137 if (fseek(fp, i[ptr], SEEK_SET)==-1) {
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138 printf("finished\n");
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139 break;
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140 }
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141 } else {
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142 printf("...no more items\n");
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143 break;
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144 }
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145 }
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146 free(buf);
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147 fclose(fp);
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148 return 0;
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149 }
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150
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151 size_t get(void * buf, int size, unsigned int count, FILE *fp) {
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152 size_t z;
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153 if ((z=fread(buf,size, count, fp)) < count) {
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154 printf("Read Failed! (size=%d, count=%d,z=%ld)\n", size, count, (long)z);
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155 exit(1);
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156 }
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157 return z;
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158 }
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159
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160 int usage() {
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161 printf("readlog -t[show_type] -x[exclude_type] -f[format] filename\n");
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162 printf("\tformat:\n\t\tt: Text log format\n");
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163 printf("\tshow_type:\n\t\tcomma separated list of types to show "
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164 "[ie, 2,4,1,6]\n");
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165 printf("\texclude_type:\n\t\tcomma separated list of types to exclude "
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166 "[ie, 1,5,3,7]\n");
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167 return 0;
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168 }
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169
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170 int split_args(char *args, int **targ) {
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171 int count = 1, *i, x, z;
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172 char *tmp = args, *y;
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173 if (*targ != NULL) {
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174 free(*targ);
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175 }
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176 // find the number of tokens in the string. Starting
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177 // from 1 cause there will always be one
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178 while ((tmp = strchr(tmp, ',')) != NULL) {
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179 tmp++; count++;
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180 }
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181 *targ = (int*)xmalloc(count * sizeof(int));
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182 i = *targ; // for convienience
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183 tmp = args;
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184 z = 0;
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185 for (x = 0; x < count; x++) {
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186 y = strtok(tmp, ",");
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187 tmp = NULL; // must be done after first call
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188 if (y != NULL) {
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189 i[x] = atoi(y);
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190 z++;
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191 }
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192 }
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193 return z;
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194 }
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195
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196 // checks to see if the first arg is in the array of the second arg,
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197 // the size of which is specified with the third arg. If the second
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198 // arg is NULL, then it is obvious that it ain't there.
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199 int is_in(int a, int *b, int c){
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200 int d = 0;
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201 if (b == NULL || c == 0) { // no array or no items in array
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202 return 0;
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203 }
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204 while (d < c) {
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205 if (a == b[d])
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206 return 1;
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207 d++;
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208 }
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209 return 0;
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210 }