include/uapi/asm-generic/swab.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_GENERIC_SWAB_H
   3 #define _ASM_GENERIC_SWAB_H
   4
   5 #include <asm/bitsperlong.h>
   6
   7 /*
   8  * 32 bit architectures typically (but not always) want to
   9  * set __SWAB_64_THRU_32__. In user space, this is only
  10  * valid if the compiler supports 64 bit data types.
  11  */
  12
  13 #if __BITS_PER_LONG == 32
  14 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
  15 #define __SWAB_64_THRU_32__
  16 #endif
  17 #endif
  18
  19 #endif /* _ASM_GENERIC_SWAB_H */