compare unsigned values in str[n]cmp

2 files changed, 16 insertions, 2 deletions

diff --git a/src/library.js b/src/library.js
index c6470560..a20cb03d 100644
--- a/src/library.js
+++ b/src/library.js
@@ -4224,8 +4224,8 @@ LibraryManager.library = {
   strncmp: function(px, py, n) {
     var i = 0;
     while (i < n) {
-      var x = {{{ makeGetValue('px', 'i', 'i8') }}};
-      var y = {{{ makeGetValue('py', 'i', 'i8') }}};
+      var x = {{{ makeGetValue('px', 'i', 'i8', 0, 1) }}};
+      var y = {{{ makeGetValue('py', 'i', 'i8', 0, 1) }}};
       if (x == y && x == 0) return 0;
       if (x == 0) return -1;
       if (y == 0) return 1;
diff --git a/tests/runner.py b/tests/runner.py
index 70f7ba9d..c7a53e25 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -1487,6 +1487,20 @@ c5,de,15,8a
         '''
         self.do_run(src, '4:10,177,543,def\n4\nwowie\ntoo\n76\n5\n(null)\n/* a comment */\n// another\ntest\n', ['wowie', 'too', '74'])
 
+    def test_strcmp_uni(self):
+      src = '''
+        #include <stdio.h>
+        #include <string.h>
+        int main()
+        {
+          char *word = "WORD";
+          char *wordEntry = "Â";
+          int cmp = strncmp(word, wordEntry, 2);
+          printf("Compare value is %d\\n", cmp);
+        }
+      '''
+      self.do_run(src, 'Compare value is -1\n')
+
     def test_strndup(self):
         src = '''
           //---------------