filters.h

   1
   2 #ifndef INTFILTER
   3 # define BINFILTER
   4 #endif
   5
   6 #ifdef PCRE2FILTER
   7 # undef BINFILTER
   8 # undef INTFILTER
   9 #endif
  10
  11 #ifdef INTFILTER
  12 # ifdef BINSEARCH
  13 #  ifndef BESORT
  14 #   define OMITMASK
  15 #  endif
  16 # endif
  17 #endif
  18
  19 #ifdef OMITMASK
  20 # define EXPANDMASK
  21 #endif
  22
  23 // whether binfilter struct is needed
  24 #ifdef BINFILTER
  25 # define NEEDBINFILTER
  26 #endif
  27 #ifdef INTFILTER
  28 # define NEEDBINFILTER
  29 #endif
  30
  31
  32 #ifdef NEEDBINFILTER
  33
  34 # ifndef BINFILTERLEN
  35 #  define BINFILTERLEN PUBLIC_LEN
  36 # endif
  37
  38 struct binfilter {
  39         u8 f[BINFILTERLEN];
  40         size_t len; // real len minus one
  41         u8 mask;
  42 } ;
  43
  44 VEC_STRUCT(bfiltervec,struct binfilter);
  45
  46 #ifdef BINFILTER
  47 extern struct bfiltervec filters;
  48 #endif
  49
  50 #endif // NEEDBINFILTER
  51
  52
  53
  54 #ifdef INTFILTER
  55
  56 struct intfilter {
  57         IFT f;
  58 # ifndef OMITMASK
  59         IFT m;
  60 # endif
  61 } ;
  62
  63 VEC_STRUCT(ifiltervec,struct intfilter);
  64
  65 extern struct ifiltervec filters;
  66
  67 # ifdef OMITMASK
  68 extern IFT ifiltermask;
  69 # endif
  70
  71 #endif // INTFILTER
  72
  73
  74
  75 #ifdef PCRE2FILTER
  76
  77 #define PCRE2_CODE_UNIT_WIDTH 8
  78 #include <pcre2.h>
  79
  80 struct pcre2filter {
  81         char *str;
  82         pcre2_code *re;
  83 } ;
  84
  85 VEC_STRUCT(pfiltervec,struct pcre2filter);
  86
  87 extern struct pfiltervec filters;
  88
  89 #endif // PCRE2FILTER
  90
  91
  92 extern int flattened;
  93
  94 extern void filters_init(void);
  95 extern void filters_add(const char *filter);
  96 extern size_t filters_count(void);