mdw@git.distorted.org.uk Git - sgt/charset/blob - slookup.c

   1 /*
   2  * slookup.c - static lookup of character sets.
   3  */
   4
   5 #include "charset.h"
   6 #include "internal.h"
   7
   8 #define ENUM_CHARSET(x) extern charset_spec const charset_##x;
   9 #include "enum.c"
  10 #undef ENUM_CHARSET
  11
  12 static charset_spec const *const cs_table[] = {
  13
  14 #define ENUM_CHARSET(x) &charset_##x,
  15 #include "enum.c"
  16 #undef ENUM_CHARSET
  17
  18 };
  19
  20 charset_spec const *charset_find_spec(int charset)
  21 {
  22     int i;
  23
  24     for (i = 0; i < (int)lenof(cs_table); i++)
  25         if (cs_table[i]->charset == charset)
  26             return cs_table[i];
  27
  28     return NULL;
  29 }
  30
  31 int charset_exists(int charset)
  32 {
  33     return charset_find_spec(charset) != NULL;
  34 }