Function str_strncasecmp

ut.h:1263–1292

* case-insensitive compare n chars of two str's */

 * case-insensitive compare n chars of two str's
 */
static inline int str_strncasecmp(const str *stra, const str *strb, int n)
{
	int i;

	if(stra==NULL || strb==NULL || stra->s ==NULL || strb->s==NULL
	|| stra->len<0 || strb->len<0)
	{
#ifdef EXTRA_DEBUG
		LM_DBG("bad parameters\n");
#endif
		return -2;
	}

	if (stra->len<n || strb->len<n) {
		LM_ERR("input strings don't have at least [n=%d] characters\n", n);
		return -2;
	}

	for (i = 0; i < n; i++) {
		const char a = tolower(stra->s[i]);
		const char b = tolower(strb->s[i]);
		if (a < b)
			return -1;
		if (a > b)
			return 1;
	}

	return 0;

}

/*
 * case-insensitive compare two str's