int substr_index_from_char(char c) {
int result = VOID_CHAR_IDX;
if( is_lower_case(c) ){
return c - LOWER_A_ASCII;
} else if( is_upper_case(c) ){
return c - UPPER_A_ASCII + UPPER_SUBSTR_OFFSET;
}
return result;
}
/* Make all the characters in the word lower case. */
static void convert_to_lower(unsigned int *word)
{
int i;
str_char* cword;
cword = (str_char*) word;
ASSERT(word);
for (i=0; i < sizeof(unsigned int); i++)
{
if ( is_upper_case(cword[i]) )
cword[i] = (str_char) (cword[i] - OFFSET);
}
}
/*
* Make a string all lower-case.
*/
void lower(char *string, char *dest) {
if(string != NULL) {
size_t str_len = strlen(string);
snprintf(dest, str_len, "%s", string);
int i;
for(i = 0; i < str_len; ++i) {
if(is_upper_case(dest[i]))
dest[i] += 32;
}
}
}
