Initial commit - full huishou project

2026-07-27 14:07:26 +08:00
commit 60790ad1b3
39127 changed files with 5989265 additions and 0 deletions
@@ -0,0 +1,19 @@
+var isStr = require('./isStr');
+var strToBytes = require('./strToBytes');
+
+exports = function(input, previous) {
+    return exports.signed(input, previous) >>> 0;
+};
+exports.signed = function(input, previous) {
+    if (isStr(input)) input = strToBytes(input);
+    var crc = ~~previous;
+    var accum = 0;
+    for (var i = 0, len = input.length; i < len; i++) {
+        var byte = input[i];
+        accum += byte;
+    }
+    crc += accum % 256;
+    return crc % 256;
+};
+
+module.exports = exports;