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Use ISC_UxxTOyy_BE macros for {peek,get,put}_uint16 macros

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Reduce the duplication and use existing macros from isc/endian.h for
network to host and vice versa conversion.
This commit is contained in:
Ondřej Surý 2025-08-18 08:05:33 +02:00
parent 727fb9a011
commit 80dac1bbae
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GPG Key ID: 2820F37E873DEA41
1 changed files with 8 additions and 6 deletions
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14
lib/dns/rdataslab_p.h
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@ -13,6 +13,8 @@
#pragma once
#include <isc/endian.h>
#include <dns/rdataslab.h>
#define ANCIENT(header) \
@ -58,15 +60,15 @@
((atomic_load_acquire(&(header)->attributes) & \
DNS_SLABHEADERATTR_ZEROTTL) != 0)
#define peek_uint16(buffer) ({ ((uint16_t)*(buffer) << 8) | *((buffer) + 1); })
#define peek_uint16(buffer) ISC_U8TO16_BE(buffer)
#define get_uint16(buffer) \
({ \
uint16_t __ret = peek_uint16(buffer); \
buffer += sizeof(uint16_t); \
__ret; \
})
#define put_uint16(buffer, val) \
({ \
*buffer++ = (val & 0xff00) >> 8; \
*buffer++ = (val & 0x00ff); \
})
#define put_uint16(buffer, val) \
{ \
ISC_U16TO8_BE(buffer, val); \
(buffer) += sizeof(uint16_t); \
}