static int irc_compare_nicks_int(const char *const nick1, const char *const nick2) {
int i = 0;
while (nick1[i] != '\0') {
if (irc_tolower(nick1[i]) != irc_tolower(nick2[i]))
return(1);
i++;
}
if (nick2[i] != '\0')
return(1);
return(0);
}
/**
* irc_str_cmp:
* @s1: First string
* @s2: Second string
*
* Compares two strings for equality ignoring case
* according to the IRC RFC.
*
* See Also: irc_tolower()
* Returns: 0 when equal
*/
int
irc_str_cmp (const char *s1, const char *s2)
{
int c1, c2;
while (*s1 && *s2)
{
c1 = (int)irc_tolower (*s1);
c2 = (int)irc_tolower (*s2);
if (c1 != c2)
return (c1 - c2);
s1++; s2++;
}
return (((int)*s1) - ((int)*s2));
}
/**
* irc_strcasestr:
* @haystack: String to look in
* @needle: String to look for
*
* Looks for @needle in @haystack ignoring case according
* to the IRC RFC and returns pointer to the start of the
* match. If @needle is empty returns pointer to @haystack.
* If not found returns %NULL.
*
* See also: irc_tolower()
*/
char *
irc_strcasestr (const char *haystack, const char *needle)
{
const gsize needle_len = strlen (needle);
const gsize haystack_len = strlen (haystack);
for (gsize i = 0; haystack_len - i >= needle_len; ++i, ++haystack)
{
char *haystack_p = (char*)haystack;
char *needle_p = (char*)needle;
gsize matched = 0;
while (*needle_p && irc_tolower(*haystack_p) == irc_tolower(*needle_p))
{
++haystack_p;
++needle_p;
++matched;
}
if (matched == needle_len)
return (char*)haystack;
}
return NULL;
}
