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89
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1 /* Copyright (C) 2004 Mads Martin Joergensen <mmj at mmj.dk>
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2 *
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3 * $Id$
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4 *
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225
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy
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6 * of this software and associated documentation files (the "Software"), to
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7 * deal in the Software without restriction, including without limitation the
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8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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9 * sell copies of the Software, and to permit persons to whom the Software is
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10 * furnished to do so, subject to the following conditions:
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11 *
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12 * The above copyright notice and this permission notice shall be included in
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13 * all copies or substantial portions of the Software.
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14 *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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21 * IN THE SOFTWARE.
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89
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22 */
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23
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24 #include <sys/types.h>
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25 #include <sys/stat.h>
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26 #include <stdlib.h>
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164
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27 #include <fcntl.h>
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28 #include <unistd.h>
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89
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29
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30 #include "strgen.h"
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31 #include "ctrlvalue.h"
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32 #include "mygetline.h"
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33 #include "chomp.h"
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245
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34 #include "memory.h"
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89
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35
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754
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36 static char *ctrlval(const char *listdir, const char *ctrlstr, int oneline)
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89
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37 {
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291
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38 char *filename, *value = NULL;
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754
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39 int ctrlfd, i;
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89
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40
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291
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41 if(listdir == NULL)
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42 return NULL;
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43
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44 filename = concatstr(3, listdir, "/control/", ctrlstr);
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164
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45 ctrlfd = open(filename, O_RDONLY);
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245
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46 myfree(filename);
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89
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47
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164
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48 if(ctrlfd < 0)
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49 return NULL;
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754
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50
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51 if (oneline) {
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52 value = mygetline(ctrlfd);
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53 chomp(value);
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54 } else {
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55 value = mygetcontent(ctrlfd);
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56 i = strlen(value) - 1;
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57 if (i >= 0 && value[i] == '\n') {
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58 value[i] = '\0';
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59 i--;
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60 }
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61 if (i >= 0 && value[i] == '\r') {
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62 value[i] = '\0';
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63 i--;
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64 }
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65 }
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164
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66 close(ctrlfd);
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89
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67
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68 return value;
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69 }
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70
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754
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71 char *ctrlvalue(const char *listdir, const char *ctrlstr)
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72 {
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73 return ctrlval(listdir, ctrlstr, 1);
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74 }
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75
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76 char *ctrlcontent(const char *listdir, const char *ctrlstr)
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77 {
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78 return ctrlval(listdir, ctrlstr, 0);
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79 }
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