Merge pull request mandiant#8 from re-fox/patch-1

Adding support for msvcrt.wcslen
CyberMonitor · Aug 27, 2020 · 8b17d8e · 8b17d8e
2 parents de1b884 + f182fa9
commit 8b17d8e
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/speakeasy/winenv/api/usermode/msvcrt.py b/speakeasy/winenv/api/usermode/msvcrt.py
@@ -747,6 +747,20 @@ def strlen(self, emu, argv, ctx={}):
 
         return rv
 
+    @apihook('wcslen', argc=1, conv=e_arch.CALL_CONV_CDECL)
+    def wcslen(self, emu, argv, ctx={}):
+        """
+        size_t wcslen(
+          const wchar_t* wcs
+        );
+        """
+        s, = argv
+        string = self.read_wide_string(s)
+        argv[0] = string
+        rv = len(string)
+
+        return rv
+
     @apihook('_lock', argc=1, conv=e_arch.CALL_CONV_CDECL)
     def _lock(self, emu, argv, ctx={}):
         """