1 files changed, 14 insertions, 1 deletions
diff --git a/ustring.c b/ustring.c
index 8b0c865..3f52972 100644
--- a/ustring.c
+++ b/ustring.c
@@ -288,7 +288,7 @@ int uisalpha(wchar_t c) {
 #endif
 }
 
-int ustricmp(wchar_t *lhs, wchar_t *rhs) {
+int ustricmp(wchar_t const *lhs, wchar_t const *rhs) {
     wchar_t lc, rc;
     while ((lc = utolower(*lhs)) == (rc = utolower(*rhs)) && lc && rc)
 	lhs++, rhs++;
@@ -300,6 +300,19 @@ int ustricmp(wchar_t *lhs, wchar_t *rhs) {
 	return 1;
 }
 
+int ustrnicmp(wchar_t const *lhs, wchar_t const *rhs, int maxlen) {
+    wchar_t lc = 0, rc = 0;
+    while (maxlen-- > 0 &&
+	   (lc = utolower(*lhs)) == (rc = utolower(*rhs)) && lc && rc)
+	lhs++, rhs++;
+    if (lc < rc)
+	return -1;
+    else if (lc > rc)
+	return 1;
+    else
+	return 0;
+}
+
 wchar_t *ustrlow(wchar_t *s) {
     wchar_t *p = s;
     while (*p) {