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#include <dx/dx.h>
Error m_HelloErrorChecking(Object *in, Object *out)
{
char message[30], *greeting, *longmessage=NULL;
if (!in[0]) {
sprintf(message,"hello world");
out[0] = (Object)DXNewString(message);
}
else {
if (!DXExtractString(in[0],&greeting)) {
DXSetError(ERROR_BAD_PARAMETER,"value must be a string");
goto error;
}
if (strlen(greeting)<=23) {
sprintf(message,"%s %s", "hello", greeting);
out[0] = (Object)DXNewString(message);
}
else {
longmessage = (char *)DXAllocate(strlen(greeting)*sizeof(char) + 7);
if (!longmessage)
goto error;
sprintf(longmessage,"%s %s", "hello", greeting);
out[0] = (Object)DXNewString(longmessage);
DXFree((Pointer)longmessage);
}
}
return OK;
error:
DXFree((Pointer)longmessage);
return ERROR;
}
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