Extend length calculation

2019-11-14 15:59:45 +08:00 · 2019-11-14 15:59:45 +08:00 · 0d0a0f0e82
commit 0d0a0f0e82
parent 3935acd859
1 changed files with 1 additions and 1 deletions
--- a/src/lib_json/json_value.cpp
+++ b/src/lib_json/json_value.cpp
@ -140,7 +140,7 @@ static inline char* duplicateAndPrefixStringValue(const char* value,
                                    sizeof(unsigned) - 1U,
                      "in Json::Value::duplicateAndPrefixStringValue(): "
                      "length too big for prefixing");
-  unsigned actualLength = length + static_cast<unsigned>(sizeof(unsigned)) + 1U;
+  size_t actualLength = sizeof(length) + length + 1;
  auto newString = static_cast<char*>(malloc(actualLength));
  if (newString == nullptr) {
    throwRuntimeError("in Json::Value::duplicateAndPrefixStringValue(): "