c++ - _free_base "Error reading register value" -


i have code test application:

char* buff = new char[0]; f_hstream.read(buff, size); string cut_header = zcrypto::from_base64( string(buff, size) );  if ( cut_header.length() == 0 ) break;  const char* dec = zcrypto::decrypt( cut_header ); printf( "header >> %s\n", dec ); vector<string> header = split(string(dec), ';');

decrypt function >

const char* zcrypto::decrypt(const std::string& str_in) {     const string key = zcrypto::from_base64("<base_64line_here>");     const string iv = zcrypto::from_base64("<base_64line_here>");      std::string str_out;     cryptopp::cbc_mode<cryptopp::rijndael>::decryption decryption((byte*)key.c_str(), key.length(), (byte*)iv.c_str());      cryptopp::stringsource encryptor(str_in, true,         new cryptopp::streamtransformationfilter(decryption,             new cryptopp::stringsink(str_out)         )     );      return str_out.data(); }

and getting debugger error on line const char* dec = zcrypto::decrypt( cut_header );, if trying launch application without mvs debugger, crash - application has stopped working...

p.s. can't change code generation - runtime library /mt, cryptopp functions in app compiling without errors type.

decryption works fine too, whats wrong?

update:

i change 

const char* zcrypto::decrypt(const std::string& str_in) {

to

string zcrypto::decrypt(const std::string& str_in) {

and 

char* buff = new char[0]; const char* dec = zcrypto::decrypt( cut_header );

to

char* buff = new char[size]; string dec = zcrypto::decrypt( cut_header );

i'm still getting error.

this line not sound right.

char* buff = new char[0];

you need:

char* buff = new char[size];

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