return len;
}
+
+char *m_strrtrim(char *s)
+{
+ if (s) {
+ char *p = s + m_strlen(s);
+
+ while (p > s && ISSPACE(p[-1])) {
+ *--p = '\0';
+ }
+ return p;
+ }
+
+ return NULL;
+}
+
+const char *m_stristrn(const char *haystack, const char *needle, ssize_t nlen)
+{
+ int nc;
+
+ if (!nlen)
+ return haystack;
+
+ nc = tolower(*needle);
+ for (;;) {
+ int c = tolower(*haystack);
+
+ if (c != nc) {
+ if (c == '\0')
+ return NULL;
+ } else {
+ ssize_t i;
+
+ /* compare the rest of needle */
+ for (i = 1;; i++) {
+ if (i == nlen)
+ return haystack;
+ if (c == '\0')
+ return NULL;
+ c = tolower(haystack[i]);
+ if (c != tolower(needle[i]))
+ break;
+ }
+ }
+
+ haystack++;
+ }
+}