Merge pull request #450 from caiiiycuk/openttd

strndump function implementation

1 files changed, 18 insertions, 0 deletions

diff --git a/src/library.js b/src/library.js
index f406f02a..8d68251f 100644
--- a/src/library.js
+++ b/src/library.js
@@ -4199,6 +4199,24 @@ LibraryManager.library = {
     return newStr;
   },
 
+  strndup__deps: ['strdup'],
+  strndup: function(ptr, size) {
+    var len = String_len(ptr);
+
+    if (size >= len) {
+      return _strdup(ptr);
+    }
+
+    if (size < 0) {
+      size = 0;
+    }
+    
+    var newStr = _malloc(size + 1);
+    {{{ makeCopyValues('newStr', 'ptr', 'size', 'null', null, 1) }}};
+    {{{ makeSetValue('newStr', 'size', '0', 'i8') }}};
+    return newStr;
+  },
+
   strpbrk: function(ptr1, ptr2) {
     var searchSet = Runtime.set.apply(null, String_copy(ptr2));
     while ({{{ makeGetValue('ptr1', 0, 'i8') }}}) {