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https://github.com/isc-projects/bind9.git
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95 lines
2 KiB
C
95 lines
2 KiB
C
/*
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* Copyright (C) 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#ifndef ISC_BUFFERLIST_H
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#define ISC_BUFFERLIST_H 1
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/*****
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***** Module Info
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*****/
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/*
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* Buffer Lists
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*
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* Buffer lists have no synchronization. Clients must ensure exclusive
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* access.
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*
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* Reliability:
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* No anticipated impact.
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* Security:
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* No anticipated impact.
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*
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* Standards:
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* None.
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*/
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/***
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*** Imports
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***/
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#include <isc/lang.h>
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#include <isc/buffer.h>
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#include <isc/bufferlist.h>
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#include <isc/list.h>
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#include <isc/mem.h>
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#include <isc/region.h>
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#include <isc/int.h>
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ISC_LANG_BEGINDECLS
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/***
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*** Types
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***/
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typedef ISC_LIST(isc_buffer_t) isc_bufferlist_t;
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/***
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*** Functions
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***/
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unsigned int
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isc_bufferlist_usedcount(isc_bufferlist_t *bl);
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/*
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* Return the length of the sum of all used regions of all buffers in
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* the buffer list 'bl'
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*
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* Requires:
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*
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* 'bl' is not NULL.
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*
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* Returns:
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* sum of all used regions' lengths.
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*/
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unsigned int
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isc_bufferlist_availablecount(isc_bufferlist_t *bl);
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/*
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* Return the length of the sum of all available regions of all buffers in
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* the buffer list 'bl'
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*
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* Requires:
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*
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* 'bl' is not NULL.
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*
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* Returns:
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* sum of all available regions' lengths.
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*/
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ISC_LANG_ENDDECLS
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#endif /* ISC_BUFFERLIST_H */
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