helpmod2/hcensor.c

   1 #include <stdlib.h>
   2 #include <stdio.h> /* for debug */
   3 #include <string.h>
   4
   5 #include "hcensor.h"
   6
   7 #include "hgen.h"
   8
   9 hcensor *hcensor_get_by_pattern(hcensor *hcens, const char *pat)
  10 {
  11     for (;hcens;hcens = hcens->next)
  12         if (!ci_strcmp(pat, hcens->pattern->content))
  13             return hcens;
  14     return NULL;
  15 }
  16
  17 hcensor *hcensor_get_by_index(hcensor *hcens, int index)
  18 {
  19     if (index > 512) /* some sanity */
  20         return NULL;
  21
  22     while (index && hcens)
  23         hcens = hcens->next;
  24
  25     return hcens;
  26 }
  27
  28 hcensor *hcensor_check(hcensor *hcens, const char *str)
  29 {
  30     for (;hcens;hcens = hcens->next)
  31         if (strregexp(str, hcens->pattern->content))
  32             return hcens;
  33     return NULL;
  34 }
  35
  36 hcensor *hcensor_add(hcensor **hcens, const char *pat, const char *rsn)
  37 {
  38     hcensor *tmp;
  39
  40     if (hcensor_get_by_pattern(*hcens, pat))
  41         return NULL;
  42
  43     tmp = malloc(sizeof(hcensor));
  44     tmp->next = *hcens;
  45
  46     tmp->pattern = getsstring(pat, strlen(pat));
  47     if (rsn)
  48         tmp->reason = getsstring(rsn, strlen(rsn));
  49     else
  50         tmp->reason = NULL;
  51
  52     *hcens = tmp;
  53
  54     return tmp;
  55 }
  56
  57 hcensor *hcensor_del(hcensor **hcens, hcensor *ptr)
  58 {
  59     for (;*hcens;hcens = &(*hcens)->next)
  60         if (*hcens == ptr)
  61         {
  62             hcensor *tmp = (*hcens)->next;
  63             freesstring((*hcens)->pattern);
  64             freesstring((*hcens)->reason);
  65             free (*hcens);
  66             *hcens = tmp;
  67             return NULL;
  68         }
  69     return ptr;
  70 }
  71
  72 void hcensor_del_all(hcensor **hcens)
  73 {
  74     while (*hcens)
  75         hcensor_del(hcens, *hcens);
  76 }
  77
  78 int hcensor_count(hcensor *hcens)
  79 {
  80     int count = 0;
  81     for (;hcens;hcens = hcens->next, count++);
  82     return count;
  83 }