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mask bits to be checked in ot_net

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Dirk Engling 2024-03-29 03:58:23 +01:00
parent 5805fe5f86
commit a3251ffac7
1 changed files with 2 additions and 2 deletions
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4
ot_accesslist.c
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@ -385,10 +385,10 @@ void accesslist_cleanup( void ) {
#endif #endif
int address_in_net( const ot_ip6 address, const ot_net *net ) { int address_in_net( const ot_ip6 address, const ot_net *net ) {
int bits = net->bits; int bits = net->bits, checkbits = ( 0x7f00 >> ( bits & 7 ));
int result = memcmp( address, &net->address, bits >> 3 ); int result = memcmp( address, &net->address, bits >> 3 );
if( !result && ( bits & 7 ) ) if( !result && ( bits & 7 ) )
result = ( ( 0x7f00 >> ( bits & 7 ) ) & address[bits>>3] ) - net->address[bits>>3]; result = ( checkbits & address[bits>>3] ) - ( checkbits & net->address[bits>>3]);
return result == 0; return result == 0;
} }