Re: Endianness and comparing IP's

/* convert the bytes of a 32-bit integer to little endian */
#define BSWAP32(c)
((c>>24)&0xff)|((c>>8)&0xff00)|((c<<8)&0xff0000)|(c<<24)

 #define BSWAP32(c) \
(((c>>24)&0xff)|((c>>8)&0xff00)|((c<<8)&0xff0000)|(c<<24))


will work as you expect it too... ;-)

precedence is a funny thing...

Iain.

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On Sat, 6 Jan 2001, Iain Sandoe wrote:

quoted

/* convert the bytes of a 32-bit integer to little endian */
#define BSWAP32(c)
((c>>24)&0xff)|((c>>8)&0xff00)|((c<<8)&0xff0000)|(c<<24)

 #define BSWAP32(c) \
(((c>>24)&0xff)|((c>>8)&0xff00)|((c<<8)&0xff0000)|(c<<24))


will work as you expect it too... ;-)

precedence is a funny thing...

Similarly, replace `c' by `(c)'.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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Thank you all. The problem has been solved. solution (as per Iain and
Geert):

#define BSWAP32(c)
((((c)>>24)&0xff)|(((c)>>8)&0xff00)|(((c)<<8)&0xff0000)|((c)<<24))


thanks again.
alex


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