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82
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1 /* svn://svn.kuehne.cn/dstress/extract__.c
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2 *
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3 * extract compiler flags for DStress test cases
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4 *
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239
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5 * Copyright (C) 2004, 2005 Thomas Kuehne
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82
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6 *
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7 * This program is free software; you can redistribute it and/or modify
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8 * it under the terms of the GNU General Public License as published by
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9 * the Free Software Foundation; either version 2 of the License, or
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10 * (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful,
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 * GNU General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with this program; if not, write to the Free Software
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19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 */
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21
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22 #include <stdio.h>
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23 #include <stdlib.h>
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24 #include <string.h>
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25 #include <errno.h>
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26
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27 // @WARNING@ works only with ASCII / UTF-8 source files
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28 int main(int argc, char* argv[]){
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29 if(argc!=2){
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30 printf("this stdin will be queried for the patter given as first argument\n");
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31 return -1;
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32 }
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33
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34 // the longest source line in the test is a bit over 1<<16 bytes long
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35 size_t length = 1 << 17;
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36 char* line = malloc(length);
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37 char* buffer;
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38 char* found;
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39 char* pattern=argv[1];
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40 size_t pattern_length=strlen(pattern);
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41
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42 errno=0;
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43 while(buffer=fgets(line, length, stdin)){
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44 found = strstr(buffer, pattern);
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45
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46 if(errno!=0){
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47 break;
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48 }else if(found!=NULL){
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49 found+=pattern_length;
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50 printf("%s", found);
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51 break;
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52 }
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53 }
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54
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55 free(line);
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56
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57 return 0;
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58 }
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