bswap32.c

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    1 /*  $NetBSD: bswap32.c,v 1.3 2003/12/04 13:57:31 keihan Exp $    */
    2 
    3 /*
    4  * Written by Manuel Bouyer <bouyer@NetBSD.org>.
    5  * Public domain.
    6  */
    7 
    8 #include <sys/cdefs.h>
    9 #if defined(LIBC_SCCS) && !defined(lint)
   10 __RCSID("$NetBSD: bswap32.c,v 1.3 2003/12/04 13:57:31 keihan Exp $");
   11 #endif /* LIBC_SCCS and not lint */
   12 
   13 #include <sys/types.h>
   14 #include <machine/bswap.h>
   15 
   16 #undef bswap32
   17 
   18 u_int32_t
   19 bswap32(x)
   20         u_int32_t x;
   21 {
   22         return  ((x << 24) & 0xff000000 ) |
   23                 ((x <<  8) & 0x00ff0000 ) |
   24                 ((x >>  8) & 0x0000ff00 ) |
   25                 ((x >> 24) & 0x000000ff );
   26 }

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FreeBSD/Linux Kernel Cross Reference sys/lib/libkern/bswap32.c

FreeBSD/Linux Kernel Cross Reference
sys/lib/libkern/bswap32.c