36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
// ISC License
|
|
//
|
|
// Copyright (c) 2024 Stephen Seo
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
// PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
#include "big_endian.h"
|
|
|
|
int is_big_endian(void) {
|
|
union {
|
|
int i;
|
|
char c[4];
|
|
} bint = {0x01020304};
|
|
|
|
return bint.c[0] == 1 ? 1 : 0;
|
|
}
|
|
|
|
unsigned short u16_be_swap(unsigned short value) {
|
|
if (is_big_endian()) {
|
|
return value;
|
|
} else {
|
|
return ((value >> 8) & 0xFF) | ((value << 8) & 0xFF00);
|
|
}
|
|
}
|
|
|
|
// vim: ts=2 sts=2 sw=2
|