ldns_buffer_begin.3 - Online Linux Manual Page

ldns - Online Linux Manual PageSection : 3
Updated : 30 May 2006

NAMEldns_buffer_limit, ldns_buffer_set_limit, ldns_buffer_capacity, ldns_buffer_set_capacity, ldns_buffer_reserve, ldns_buffer_at, ldns_buffer_begin, ldns_buffer_end, ldns_buffer_current − buffer limits and pointers

SYNOPSIS#include <stdint.h>
#include <stdbool.h>
#include <ldns/ldns.h> size_t ldns_buffer_limit(const ldns_buffer *buffer); void ldns_buffer_set_limit(ldns_buffer *buffer, size_t limit); size_t ldns_buffer_capacity(const ldns_buffer *buffer); bool ldns_buffer_set_capacity(ldns_buffer *buffer, size_t capacity); bool ldns_buffer_reserve(ldns_buffer *buffer, size_t amount); uint8_t * ldns_buffer_at(const ldns_buffer *buffer, size_t at); uint8_t * ldns_buffer_begin(const ldns_buffer *buffer); uint8_t * ldns_buffer_end(const ldns_buffer *buffer); uint8_t * ldns_buffer_current(const ldns_buffer *buffer);

DESCRIPTIONldns_buffer_limit() returns the maximum size of the buffer \param[in] buffer
Returns the size ldns_buffer_set_limit() changes the buffer's limit. If the buffer's position is greater than the new limit the position is set to the limit.
buffer: the buffer
limit: the new limit ldns_buffer_capacity() returns the number of bytes the buffer can hold.
buffer: the buffer
Returns the number of bytes ldns_buffer_set_capacity() changes the buffer's capacity. The data is reallocated so any pointers to the data may become invalid. The buffer's limit is set to the buffer's new capacity.
buffer: the buffer
capacity: the capacity to use
Returns whether this failed or succeeded ldns_buffer_reserve() ensures BUFFER can contain at least AMOUNT more bytes. The buffer's capacity is increased if necessary using buffer_set_capacity(). The buffer's limit is always set to the (possibly increased) capacity.
buffer: the buffer
amount: amount to use
Returns whether this failed or succeeded ldns_buffer_at() returns a pointer to the data at the indicated position.
buffer: the buffer
at: position
Returns the pointer to the data ldns_buffer_begin() returns a pointer to the beginning of the buffer (the data at position 0).
buffer: the buffer
Returns the pointer ldns_buffer_end() returns a pointer to the end of the buffer (the data at the buffer's limit).
buffer: the buffer
Returns the pointer ldns_buffer_current() returns a pointer to the data at the buffer's current position.
buffer: the buffer
Returns the pointer

AUTHORThe ldns team at NLnet Labs.

REPORTING BUGSPlease report bugs to ldns-team@nlnetlabs.nl or in our bugzilla at http://www.nlnetlabs.nl/bugs/index.html

SEE ALSOldns_buffer. And perldoc Net::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035.

REMARKSThis manpage was automatically generated from the ldns source code. 0

Johanes Gumabo

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