postgresql/contrib/dbase/endian.c

/* Maarten Boekhold (maarten.boekhold@reuters.com) oktober 1995 */

#include <sys/types.h>
#include "dbf.h"
/*
 * routine to change little endian long to host long
 */
long
get_long(u_char *cp)
{
	long		ret;

	ret = *cp++;
	ret += ((*cp++) << 8);
	ret += ((*cp++) << 16);
	ret += ((*cp++) << 24);

	return ret;
}

void
put_long(u_char *cp, long lval)
{
	cp[0] = lval & 0xff;
	cp[1] = (lval >> 8) & 0xff;
	cp[2] = (lval >> 16) & 0xff;
	cp[3] = (lval >> 24) & 0xff;
}

/*
 * routine to change little endian short to host short
 */
short
get_short(u_char *cp)
{
	short		ret;

	ret = *cp++;
	ret += ((*cp++) << 8);

	return ret;
}

void
put_short(u_char *cp, short sval)
{
	cp[0] = sval & 0xff;
	cp[1] = (sval >> 8) & 0xff;
}