forked from espressif/arduino-esp32
Update tools to latest IDF
This commit is contained in:
65
tools/sdk/include/wpa_supplicant/byteswap.h
Normal file
65
tools/sdk/include/wpa_supplicant/byteswap.h
Normal file
@ -0,0 +1,65 @@
|
||||
/*
|
||||
* Copyright (c) 2010 Espressif System
|
||||
*/
|
||||
|
||||
#ifndef BYTESWAP_H
|
||||
#define BYTESWAP_H
|
||||
|
||||
/* Swap bytes in 16 bit value. */
|
||||
#ifdef __GNUC__
|
||||
# define __bswap_16(x) \
|
||||
(__extension__ \
|
||||
({ unsigned short int __bsx = (x); \
|
||||
((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8)); }))
|
||||
#else
|
||||
static INLINE unsigned short int
|
||||
__bswap_16 (unsigned short int __bsx)
|
||||
{
|
||||
return ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8));
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Swap bytes in 32 bit value. */
|
||||
#ifdef __GNUC__
|
||||
# define __bswap_32(x) \
|
||||
(__extension__ \
|
||||
({ unsigned int __bsx = (x); \
|
||||
((((__bsx) & 0xff000000) >> 24) | (((__bsx) & 0x00ff0000) >> 8) | \
|
||||
(((__bsx) & 0x0000ff00) << 8) | (((__bsx) & 0x000000ff) << 24)); }))
|
||||
#else
|
||||
static INLINE unsigned int
|
||||
__bswap_32 (unsigned int __bsx)
|
||||
{
|
||||
return ((((__bsx) & 0xff000000) >> 24) | (((__bsx) & 0x00ff0000) >> 8) |
|
||||
(((__bsx) & 0x0000ff00) << 8) | (((__bsx) & 0x000000ff) << 24));
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined __GNUC__ && __GNUC__ >= 2
|
||||
/* Swap bytes in 64 bit value. */
|
||||
# define __bswap_constant_64(x) \
|
||||
((((x) & 0xff00000000000000ull) >> 56) \
|
||||
| (((x) & 0x00ff000000000000ull) >> 40) \
|
||||
| (((x) & 0x0000ff0000000000ull) >> 24) \
|
||||
| (((x) & 0x000000ff00000000ull) >> 8) \
|
||||
| (((x) & 0x00000000ff000000ull) << 8) \
|
||||
| (((x) & 0x0000000000ff0000ull) << 24) \
|
||||
| (((x) & 0x000000000000ff00ull) << 40) \
|
||||
| (((x) & 0x00000000000000ffull) << 56))
|
||||
|
||||
# define __bswap_64(x) \
|
||||
(__extension__ \
|
||||
({ union { __extension__ unsigned long long int __ll; \
|
||||
unsigned int __l[2]; } __w, __r; \
|
||||
if (__builtin_constant_p (x)) \
|
||||
__r.__ll = __bswap_constant_64 (x); \
|
||||
else \
|
||||
{ \
|
||||
__w.__ll = (x); \
|
||||
__r.__l[0] = __bswap_32 (__w.__l[1]); \
|
||||
__r.__l[1] = __bswap_32 (__w.__l[0]); \
|
||||
} \
|
||||
__r.__ll; }))
|
||||
#endif
|
||||
|
||||
#endif /* BYTESWAP_H */
|
Reference in New Issue
Block a user