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1 #include <stdio.h> |
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2 #include <stdlib.h> |
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3 #include <unistd.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 #include "list.h" |
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8 |
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9 #define MAX_LENGHT_INPUT 1024 |
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10 #define cfg_entry(n) list_entry(n, cfg_entry_t, list) |
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11 |
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12 typedef struct _cfg_entry_t { |
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13 char *key; |
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14 char *value; |
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15 struct list_head list; |
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16 } cfg_entry_t; |
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17 |
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18 static LIST_HEAD(cfg_list); |
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19 |
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20 |
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21 void push_in_list(char *key, char *value) |
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22 { |
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23 cfg_entry_t *new_entry = calloc(1, sizeof(cfg_entry_t)); |
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24 |
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25 new_entry->key = (char *) calloc(1, strlen(key) + 1); |
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26 new_entry->value = (char *) calloc(1, strlen(value) + 1); |
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27 |
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28 strcpy(new_entry->key, key); |
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29 strcpy(new_entry->value, value); |
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30 |
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31 list_add(&new_entry->list, &cfg_list); |
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32 } |
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33 |
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34 int cfg_file(char *filename) |
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35 { |
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36 FILE *fp; |
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37 char *buf; |
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38 char *line; |
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39 char *value; |
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40 |
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41 buf = malloc(255); |
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42 |
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43 if ((fp = fopen(filename, "r")) == NULL) { |
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44 perror("fopen (parsecfg.c:46)"); |
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45 exit(EXIT_FAILURE); |
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46 } |
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47 |
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48 while (fgets(buf, 255, fp) != NULL) { |
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49 line = buf; |
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50 |
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51 while (isspace((int) *line)) |
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52 line++; |
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53 |
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54 while ((strlen(line) > 0) |
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55 && isspace((int) line[strlen(line) - 1])) |
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56 line[strlen(line) - 1] = '\0'; |
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57 |
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58 if ((*line == '\n') || (*line == '\0') || (*line == '#')) |
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59 continue; |
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60 |
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61 if ((strchr(line, '=') != NULL)) { |
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62 value = strchr(line, '='); |
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63 *value = '\0'; |
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64 value++; |
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65 |
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66 while (isspace((int) *value)) |
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67 value++; |
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68 |
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69 while ((strlen(line) > 0) |
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70 && isspace((int) line[strlen(line) - 1])) |
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71 line[strlen(line) - 1] = '\0'; |
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72 |
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73 push_in_list(line, value); |
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74 continue; |
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75 } |
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76 fprintf(stderr, "CFG: orphaned line \"%s\"\n", line); |
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77 } |
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78 return 1; |
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79 } |
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80 |
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81 char *cfg_read(char *key) |
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82 { |
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83 struct list_head *n, *pos; |
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84 cfg_entry_t *search_entry = NULL; |
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85 |
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86 list_for_each_safe(pos, n, &cfg_list) { |
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87 search_entry = cfg_entry(pos); |
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88 if (search_entry->key) { |
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89 if (!strcasecmp(search_entry->key, key)) { |
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90 return search_entry->value; |
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91 } |
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92 } |
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93 } |
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94 return NULL; |
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95 } |
