/**
* \file
* source file of ProtoInterface
*/

#include <stdio.h>
#include "protointerface_test.h"
#include "generic.h"

int protoInterface_init(ProtoInterface *protoInterfacep, FILE *outStream)
{
	protoInterfacep->outStream = outStream;
	return !0;
}

void protoInterface_destroy(ProtoInterface *protoInterfacep)
{
	protoInterfacep->outStream = NULL;
}

int protoInterface_printf(ProtoInterface *protoInterfacep, const char *formatString, ...)
{
	char outBuffer[PROTOINTERFACE_BUFFER_INIT_SIZE];
	int ret;
	va_list ap;
	
	va_start(ap, formatString);
	ret = wrapper_vsnprintf(outBuffer, PROTOINTERFACE_BUFFER_INIT_SIZE, formatString, ap);
	/*outBuffer was too small*/
	if (ret == -1 && PROTOINTERFACE_BUFFER_INIT_SIZE >= 4)
	{
		outBuffer[PROTOINTERFACE_BUFFER_INIT_SIZE - 2] = '.'; 
		outBuffer[PROTOINTERFACE_BUFFER_INIT_SIZE - 3] = '.'; 
		outBuffer[PROTOINTERFACE_BUFFER_INIT_SIZE - 4] = '.'; 
		ret = PROTOINTERFACE_BUFFER_INIT_SIZE - 1;
	}
	va_end(ap);
	if (ret)
		fputs(outBuffer, protoInterfacep->outStream);
		
	return ret;
}