Question

The following code produces the compilation error, invalid conversion from 'const char*' to 'char*'. Both ptrInputFileName and ptrFileName are both declared as const char*. Any suggestions on how to get this to compile? Thank you.

TextInputBuffer::TextInputBuffer(const char *ptrInputFileName)
    : ptrFileName(new char[strlen(ptrInputFileName) + 1])
{
    //--Copy the file name.
    std::strcpy(ptrFileName, ptrInputFileName);

Answer 1

strcpy takes the the destination as non-const pointer char* and ptrFileName is const char*. No implicit conversion possible and I wouldn’t recommend an explicit conversion. Just make ptrFileName non-const.