Function strncatz

Libraries/unrar/strfn.cpp:311–316

Safe append: resulting dest length cannot exceed maxlen and dest is always zero terminated. 'maxlen' parameter defines the entire dest buffer size and is not compatible with wcsncat.

// is always zero terminated. 'maxlen' parameter defines the entire
// dest buffer size and is not compatible with wcsncat.
void strncatz(char* dest, const char* src, size_t maxlen)
{
  size_t length = strlen(dest);
  if (maxlen > length)
    strncpyz(dest + length, src, maxlen - length);
}


// Safe append: resulting dest length cannot exceed maxlen and dest