6ab3092b11
Only assembly version for i386 bswap16 and bswap32 for now (bswap64 uses bswap32). Contribution of assembly versions of these are welcome. Add byte-swapping of ext2fs metadata for big-endian systems. Tested on i386 and sparc.
26 lines
483 B
C
26 lines
483 B
C
/* $NetBSD: bswap32.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $ */
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/*
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* Written by Manuel Bouyer <bouyer@netbsd.org>.
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* Public domain.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char *rcsid = "$NetBSD: bswap32.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $";
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#endif
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#include <sys/types.h>
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#undef bswap32
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u_int32_t
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bswap32(x)
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u_int32_t x;
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{
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return ((x << 24) & 0xff000000 ) |
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((x << 8) & 0x00ff0000 ) |
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((x >> 8) & 0x0000ff00 ) |
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((x >> 24) & 0x000000ff );
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}
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