Messages in this thread | | | Date | Sun, 30 Oct 2005 19:22:05 +0900 | From | Eric Piel <> | Subject | Re: [PATCH] include/linux/etherdevice.h, kernel 2.6.14 |
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J.A. Magallon wrote: > > Just for curiosity, could you both benchmark this also: > > int is_zero_ether_addr0(const unsigned char *addr) > { > return !(((unsigned long *)addr)[0] | ((unsigned short*)addr)[2]); > } >
This is probably safer (wrt 64 bits systems):
int is_zero_ether_addr0(const unsigned char *addr) { return !(((u32*)addr)[0] | ((u16*)addr)[2]); }
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