view libtest/local_endian.c @ 561:cf62fe9fac3a

gsmhr-cod2hex: read native endian by default Let's change gsmhr-* utilities to read *.cod and *.dec files in the local machine's native byte order by default, and support both -b and -l override options. This approach is the only sane one when we write *.cod and *.dec files in the local endian.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Feb 2025 00:04:33 +0000
parents 9a9d05a8fc75
children
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/*
 * This C module is our current best attempt at determining the local endian
 * in a portable manner that (hopefully) won't come back to bite us when
 * someone needs to compile our software under a different flavor of Unix.
 */

#include <stdint.h>
#include <arpa/inet.h>
#include "local_endian.h"

int is_native_big_endian(void)
{
	uint16_t big_end_one;

	big_end_one = htons(1);
	if (big_end_one == 1)
		return 1;
	else
		return 0;
}