remove more unused byte munching code
This commit is contained in:
parent
201e15348e
commit
2c24b6d723
1 changed files with 0 additions and 30 deletions
|
|
@ -3,36 +3,6 @@
|
|||
|
||||
#include "dns_request.h"
|
||||
|
||||
/*
|
||||
* get k'th bit from byte c
|
||||
* because of how the DNS spec works, this starts counting from the LEFTMOST bit.
|
||||
*/
|
||||
// unsigned int get_bit(unsigned char c, unsigned int k)
|
||||
// {
|
||||
// unsigned int flag = 1U; // flag = 0000.....00001
|
||||
//
|
||||
// flag = flag << (8U-k); // flag = 0000...010...000 (shifted k positions)
|
||||
//
|
||||
// return c & flag;
|
||||
// }
|
||||
|
||||
/*
|
||||
* get n bits from byte c starting at position k
|
||||
* because of how the DNS spec works, this starts counting from the LEFTMOST bit.
|
||||
*/
|
||||
// unsigned int get_bits(unsigned char c, unsigned int n, unsigned int k)
|
||||
// {
|
||||
// unsigned int ret = 0;
|
||||
// unsigned int flag = 1U; // flag = 0000.....00001
|
||||
//
|
||||
// for (int j = 0; j < n; j++) {
|
||||
// unsigned int bit_pos = 8U - k + j;
|
||||
// ret = ret | get_bit(c, k+j) << bit_pos;
|
||||
// }
|
||||
//
|
||||
// return ret;
|
||||
// }
|
||||
|
||||
struct DNSRequest *parse_dns_query(struct DNSPacketBuffer *pb)
|
||||
{
|
||||
struct DNSRequest *req;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue