#include <ctype.h>
#include <gargoyle/twine.h>

static uint8_t is_sep(char tok) {
  return (tok == '_' || tok == '-');
}

uint8_t gargoyle_cmp(const char *s1, const char *s2, uint16_t len, uint8_t flags) {
  while(*s1 && *s2 && len) {
    if(flags & GARGOYLE_CMP_ICASE && isalpha(*s1) && tolower(*s1) == tolower(*s2)) {
      s1 += 1, s2 += 1;
    } else if(flags & GARGOYLE_CMP_SYMBL && is_sep(*s1) && is_sep(*s2)) {
      s1 += 1, s2 += 1;
    } else if(*s1 == *s2) {
      s1 += 1, s2 += 1;
    } else {
      return 0;
    }

    len -= 1;
  }

  return 1;
}

char *gargoyle_cpy(char *dst, const char *src, uint16_t len) {
  uint16_t idx = 1;

  for(; len; dst += 1, len -= 1, idx += 1) {
    if(*src) {
      *dst = *src;
      src += 1;
    } else {
      *dst = '\0';
    }
  }

  return dst;
}