Function writeStdString

scripts/WechatWin.dll/hook.js:12–30

(s, content)

    }
}
function writeStdString(s, content) {
    var flag = s.add(23).readU8()
    if (flag == 0x80) {
        // 从堆中写入
        var orisize = s.add(8).readUInt()
        if (content.length > orisize) {
            throw "must below orisize!"
        }
        s.readPointer().writeUtf8String(content)
        s.add(8).writeUInt(content.length)
    } else {
        // 从栈中写入
        if (content.length > 22) {
            throw "max 23 for stack str"
        }
        s.writeUtf8String(content)
        s.add(23).writeU8(content.length)
    }
}