/* cbigopen.c for Linux */

#include <stdio.h>
# define __USE_LARGEFILE64 1
/* open() needs the following, maybe */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include "cbigopen.h"

FILE*	cBigOpenR(char inName[])
	{
	int	fid;
	FILE*	inFd;

	/* inFd=fopen(inName, "r"); */
	fid = open(inName, (O_LARGEFILE | O_RDONLY));
	if (fid < 0)
		{
		fprintf(stderr, "cBigOpenR(inName) for input failed\n");
		inFd = NULL;
		}
	else
		inFd = fdopen(fid, "r");
	return inFd;
	}

FILE*	cBigOpenW(char outName[])
	{
	int	fid;
	FILE*	outFd;

	/* outFd=fopen(outName, "w"); */
	fid = open(outName, (O_LARGEFILE | O_WRONLY|O_CREAT|O_TRUNC),
			S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
	if (fid < 0)
		{
		fprintf(stderr, "cBigOpenW(outName) for output failed\n");
		outFd = NULL;
		}
	else
		outFd = fdopen(fid, "w");
	return outFd;
	}