std::vector<char> starting from any index in the vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45129
91177308-0d34-0410-b5e6-
96231b3b80d8
}
char* ReadCStr(char* cstr = NULL, unsigned MaxLen=0, bool isNullTerm=true);
- void ReadCStr(std::vector<char>& buff, bool isNullTerm=false);
+ void ReadCStr(std::vector<char>& buff, bool isNullTerm=false, unsigned Idx=0);
template <typename T>
inline T* ReadOwnedPtr(bool AutoRegister = true) {
return cstr;
}
-void Deserializer::ReadCStr(std::vector<char>& buff, bool isNullTerm) {
+void Deserializer::ReadCStr(std::vector<char>& buff, bool isNullTerm,
+ unsigned Idx) {
+
unsigned len = ReadInt();
- buff.clear();
- buff.reserve(len);
+ // If Idx is beyond the current before size, reduce Idx to refer to the
+ // element after the last element.
+ if (Idx > buff.size())
+ Idx = buff.size();
+
+ buff.reserve(len+Idx);
+ buff.resize(Idx);
for (unsigned i = 0; i < len; ++i)
buff.push_back((char) ReadInt());