Fix #1668: whiteSpace in _scanString should use only char codes as keys not chars and char codes.

1 files changed, 1 insertions, 7 deletions

diff --git a/src/library.js b/src/library.js
index 49f8e453..ee38cf5d 100644
--- a/src/library.js
+++ b/src/library.js
@@ -1660,12 +1660,6 @@ LibraryManager.library = {
       __scanString.whiteSpace[{{{ charCode('\v') }}}] = 1;
       __scanString.whiteSpace[{{{ charCode('\f') }}}] = 1;
       __scanString.whiteSpace[{{{ charCode('\r') }}}] = 1;
-      __scanString.whiteSpace[' '] = 1;
-      __scanString.whiteSpace['\t'] = 1;
-      __scanString.whiteSpace['\n'] = 1;
-      __scanString.whiteSpace['\v'] = 1;
-      __scanString.whiteSpace['\f'] = 1;
-      __scanString.whiteSpace['\r'] = 1;
     }
     // Supports %x, %4x, %d.%d, %lld, %s, %f, %lf.
     // TODO: Support all format specifiers.
@@ -1903,7 +1897,7 @@ LibraryManager.library = {
             break;
         }
         fields++;
-      } else if (format[formatIndex] in __scanString.whiteSpace) {
+      } else if (format[formatIndex].charCodeAt(0) in __scanString.whiteSpace) {
         next = get();
         while (next in __scanString.whiteSpace) {
           if (next <= 0) break mainLoop;  // End of input.