uapi/asm-generic/swab.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _ASM_GENERIC_SWAB_H
0003 #define _ASM_GENERIC_SWAB_H
0004
0005 #include <asm/bitsperlong.h>
0006
0007 /*
0008  * 32 bit architectures typically (but not always) want to
0009  * set __SWAB_64_THRU_32__. In user space, this is only
0010  * valid if the compiler supports 64 bit data types.
0011  */
0012
0013 #if __BITS_PER_LONG == 32
0014 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
0015 #define __SWAB_64_THRU_32__
0016 #endif
0017 #endif
0018
0019 #endif /* _ASM_GENERIC_SWAB_H */