gistfile1.cpp

// grab all the relevant constants
const int bufferSize = 256;
const int numParams = a_thread->GetNumParams();

// split single-line declarations
int len = 0;
int size = 0;
int ret = -1;

// might as well zero-init the buffer
char* str = NULL;
char buffer[bufferSize] = { 0 };

// used multiple times
gmMachine* machine = a_thread->GetMachine();

// canonical loop, no suprises
for (int i = 0; i < numParams; ++i)
{
  // collect block-local values used
  gmVariable param = a_thread->Param(i);
  const char* param_str = param.AsString(machine, buffer, bufferSize);

  // use block-local values
  gmConcat(machine, str, len, size, param_str, 64);

  // fine
  if (str)
  {
    GM_ASSERT(len < size);
    str[len++] = ' ';
    str[len] = '\0';
  }
}