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/*
* Copyright (C) 2004-2008, 2010 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1998-2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: buffer.h,v 1.55 2010-12-20 23:47:21 tbox Exp $ */
#ifndef ISC_BUFFER_H
#define ISC_BUFFER_H 1
/*****
***** Module Info
*****/
/*! \file isc/buffer.h
*
* \brief A buffer is a region of memory, together with a set of related subregions.
* Buffers are used for parsing and I/O operations.
*
* The 'used region' and the 'available' region are disjoint, and their
* union is the buffer's region. The used region extends from the beginning
* of the buffer region to the last used byte. The available region
* extends from one byte greater than the last used byte to the end of the
* buffer's region. The size of the used region can be changed using various
* buffer commands. Initially, the used region is empty.
*
* The used region is further subdivided into two disjoint regions: the
* 'consumed region' and the 'remaining region'. The union of these two
* regions is the used region. The consumed region extends from the beginning
* of the used region to the byte before the 'current' offset (if any). The
* 'remaining' region the current pointer to the end of the used
* region. The size of the consumed region can be changed using various
* buffer commands. Initially, the consumed region is empty.
*
* The 'active region' is an (optional) subregion of the remaining region.
* It extends from the current offset to an offset in the remaining region
* that is selected with isc_buffer_setactive(). Initially, the active region
* is empty. If the current offset advances beyond the chosen offset, the
* active region will also be empty.
*
* \verbatim
* /------------entire length---------------\
* /----- used region -----\/-- available --\
* +----------------------------------------+
* | consumed | remaining | |
* +----------------------------------------+
* a b c d e
*
* a == base of buffer.
* b == current pointer. Can be anywhere between a and d.
* c == active pointer. Meaningful between b and d.
* d == used pointer.
* e == length of buffer.
*
* a-e == entire length of buffer.
* a-d == used region.
* a-b == consumed region.
* b-d == remaining region.
* b-c == optional active region.
*\endverbatim
*
* The following invariants are maintained by all routines:
*
*\code
* length > 0
*
* base is a valid pointer to length bytes of memory
*
* 0 <= used <= length
*
* 0 <= current <= used
*
* 0 <= active <= used
* (although active < current implies empty active region)
*\endcode
*
* \li MP:
* Buffers have no synchronization. Clients must ensure exclusive
* access.
*
* \li Reliability:
* No anticipated impact.
*
* \li Resources:
* Memory: 1 pointer + 6 unsigned integers per buffer.
*
* \li Security:
* No anticipated impact.
*
* \li Standards:
* None.
*/
/***
*** Imports
***/
#include <isc/lang.h>
#include <isc/magic.h>
#include <isc/types.h>
/*!
* To make many functions be inline macros (via \#define) define this.
* If it is undefined, a function will be used.
*/
/* #define ISC_BUFFER_USEINLINE */
ISC_LANG_BEGINDECLS
/*@{*/
/*!
*** Magic numbers
***/
#define ISC_BUFFER_MAGIC 0x42756621U /* Buf!. */
#define ISC_BUFFER_VALID(b) ISC_MAGIC_VALID(b, ISC_BUFFER_MAGIC)
/*@}*/
/*
* The following macros MUST be used only on valid buffers. It is the
* caller's responsibility to ensure this by using the ISC_BUFFER_VALID
* check above, or by calling another isc_buffer_*() function (rather than
* another macro.)
*/
/*@{*/
/*!
* Fundamental buffer elements. (A through E in the introductory comment.)
*/
#define isc_buffer_base(b) ((void *)(b)->base) /*a*/
#define isc_buffer_current(b) \
((void *)((unsigned char *)(b)->base + (b)->current)) /*b*/
#define isc_buffer_active(b) \
((void *)((unsigned char *)(b)->base + (b)->active)) /*c*/
#define isc_buffer_used(b) \
((void *)((unsigned char *)(b)->base + (b)->used)) /*d*/
#define isc_buffer_length(b) ((b)->length) /*e*/
/*@}*/
/*@{*/
/*!
* Derived lengths. (Described in the introductory comment.)
*/
#define isc_buffer_usedlength(b) ((b)->used) /* d-a */
#define isc_buffer_consumedlength(b) ((b)->current) /* b-a */
#define isc_buffer_remaininglength(b) ((b)->used - (b)->current) /* d-b */
#define isc_buffer_activelength(b) ((b)->active - (b)->current) /* c-b */
#define isc_buffer_availablelength(b) ((b)->length - (b)->used) /* e-d */
/*@}*/
/*!
* Note that the buffer structure is public. This is principally so buffer
* operations can be implemented using macros. Applications are strongly
* discouraged from directly manipulating the structure.
*/
struct isc_buffer {
unsigned int magic;
void *base;
/*@{*/
/*! The following integers are byte offsets from 'base'. */
unsigned int length;
unsigned int used;
unsigned int current;
unsigned int active;
/*@}*/
/*! linkable */
ISC_LINK(isc_buffer_t) link;
/*! private internal elements */
isc_mem_t *mctx;
};
/***
*** Functions
***/
isc_result_t
isc_buffer_allocate(isc_mem_t *mctx, isc_buffer_t **dynbuffer,
unsigned int length);
/*!<
* \brief Allocate a dynamic linkable buffer which has "length" bytes in the
* data region.
*
* Requires:
*\li "mctx" is valid.
*
*\li "dynbuffer" is non-NULL, and "*dynbuffer" is NULL.
*
* Returns:
*\li ISC_R_SUCCESS - success
*\li ISC_R_NOMEMORY - no memory available
*
* Note:
*\li Changing the buffer's length field is not permitted.
*/
void
isc_buffer_free(isc_buffer_t **dynbuffer);
/*!<
* \brief Release resources allocated for a dynamic buffer.
*
* Requires:
*\li "dynbuffer" is not NULL.
*
*\li "*dynbuffer" is a valid dynamic buffer.
*
* Ensures:
*\li "*dynbuffer" will be NULL on return, and all memory associated with
* the dynamic buffer is returned to the memory context used in
* isc_buffer_allocate().
*/
void
isc__buffer_init(isc_buffer_t *b, const void *base, unsigned int length);
/*!<
* \brief Make 'b' refer to the 'length'-byte region starting at base.
*
* Requires:
*
*\li 'length' > 0
*
*\li 'base' is a pointer to a sequence of 'length' bytes.
*
*/
void
isc__buffer_initnull(isc_buffer_t *b);
/*!<
*\brief Initialize a buffer 'b' with a null data and zero length/
*/
void
isc_buffer_reinit(isc_buffer_t *b, void *base, unsigned int length);
/*!<
* \brief Make 'b' refer to the 'length'-byte region starting at base.
* Any existing data will be copied.
*
* Requires:
*
*\li 'length' > 0 AND length >= previous length
*
*\li 'base' is a pointer to a sequence of 'length' bytes.
*
*/
void
isc__buffer_invalidate(isc_buffer_t *b);
/*!<
* \brief Make 'b' an invalid buffer.
*
* Requires:
*\li 'b' is a valid buffer.
*
* Ensures:
*\li If assertion checking is enabled, future attempts to use 'b' without
* calling isc_buffer_init() on it will cause an assertion failure.
*/
void
isc__buffer_region(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_usedregion(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the used region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_availableregion(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the available region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_add(isc_buffer_t *b, unsigned int n);
/*!<
* \brief Increase the 'used' region of 'b' by 'n' bytes.
*
* Requires:
*
*\li 'b' is a valid buffer
*
*\li used + n <= length
*
*/
void
isc__buffer_subtract(isc_buffer_t *b, unsigned int n);
/*!<
* \brief Decrease the 'used' region of 'b' by 'n' bytes.
*
* Requires:
*
*\li 'b' is a valid buffer
*
*\li used >= n
*
*/
void
isc__buffer_clear(isc_buffer_t *b);
/*!<
* \brief Make the used region empty.
*
* Requires:
*
*\li 'b' is a valid buffer
*
* Ensures:
*
*\li used = 0
*
*/
void
isc__buffer_consumedregion(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the consumed region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_remainingregion(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the remaining region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_activeregion(isc_buffer_t *b, isc_region_t *r);
/*!<
* \brief Make 'r' refer to the active region of 'b'.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li 'r' points to a region structure.
*/
void
isc__buffer_setactive(isc_buffer_t *b, unsigned int n);
/*!<
* \brief Sets the end of the active region 'n' bytes after current.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li current + n <= used
*/
void
isc__buffer_first(isc_buffer_t *b);
/*!<
* \brief Make the consumed region empty.
*
* Requires:
*
*\li 'b' is a valid buffer
*
* Ensures:
*
*\li current == 0
*
*/
void
isc__buffer_forward(isc_buffer_t *b, unsigned int n);
/*!<
* \brief Increase the 'consumed' region of 'b' by 'n' bytes.
*
* Requires:
*
*\li 'b' is a valid buffer
*
*\li current + n <= used
*
*/
void
isc__buffer_back(isc_buffer_t *b, unsigned int n);
/*!<
* \brief Decrease the 'consumed' region of 'b' by 'n' bytes.
*
* Requires:
*
*\li 'b' is a valid buffer
*
*\li n <= current
*
*/
void
isc_buffer_compact(isc_buffer_t *b);
/*!<
* \brief Compact the used region by moving the remaining region so it occurs
* at the start of the buffer. The used region is shrunk by the size of
* the consumed region, and the consumed region is then made empty.
*
* Requires:
*
*\li 'b' is a valid buffer
*
* Ensures:
*
*\li current == 0
*
*\li The size of the used region is now equal to the size of the remaining
* region (as it was before the call). The contents of the used region
* are those of the remaining region (as it was before the call).
*/
isc_uint8_t
isc_buffer_getuint8(isc_buffer_t *b);
/*!<
* \brief Read an unsigned 8-bit integer from 'b' and return it.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li The length of the available region of 'b' is at least 1.
*
* Ensures:
*
*\li The current pointer in 'b' is advanced by 1.
*
* Returns:
*
*\li A 8-bit unsigned integer.
*/
void
isc__buffer_putuint8(isc_buffer_t *b, isc_uint8_t val);
/*!<
* \brief Store an unsigned 8-bit integer from 'val' into 'b'.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li The length of the unused region of 'b' is at least 1.
*
* Ensures:
*\li The used pointer in 'b' is advanced by 1.
*/
isc_uint16_t
isc_buffer_getuint16(isc_buffer_t *b);
/*!<
* \brief Read an unsigned 16-bit integer in network byte order from 'b', convert
* it to host byte order, and return it.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li The length of the available region of 'b' is at least 2.
*
* Ensures:
*
*\li The current pointer in 'b' is advanced by 2.
*
* Returns:
*
*\li A 16-bit unsigned integer.
*/
void
isc__buffer_putuint16(isc_buffer_t *b, isc_uint16_t val);
/*!<
* \brief Store an unsigned 16-bit integer in host byte order from 'val'
* into 'b' in network byte order.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li The length of the unused region of 'b' is at least 2.
*
* Ensures:
*\li The used pointer in 'b' is advanced by 2.
*/
isc_uint32_t
isc_buffer_getuint32(isc_buffer_t *b);
/*!<
* \brief Read an unsigned 32-bit integer in network byte order from 'b', convert
* it to host byte order, and return it.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li The length of the available region of 'b' is at least 4.
*
* Ensures:
*
*\li The current pointer in 'b' is advanced by 4.
*
* Returns:
*
*\li A 32-bit unsigned integer.
*/
void
isc__buffer_putuint32(isc_buffer_t *b, isc_uint32_t val);
/*!<
* \brief Store an unsigned 32-bit integer in host byte order from 'val'
* into 'b' in network byte order.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li The length of the unused region of 'b' is at least 4.
*
* Ensures:
*\li The used pointer in 'b' is advanced by 4.
*/
isc_uint64_t
isc_buffer_getuint48(isc_buffer_t *b);
/*!<
* \brief Read an unsigned 48-bit integer in network byte order from 'b',
* convert it to host byte order, and return it.
*
* Requires:
*
*\li 'b' is a valid buffer.
*
*\li The length of the available region of 'b' is at least 6.
*
* Ensures:
*
*\li The current pointer in 'b' is advanced by 6.
*
* Returns:
*
*\li A 48-bit unsigned integer (stored in a 64-bit integer).
*/
void
isc__buffer_putuint48(isc_buffer_t *b, isc_uint64_t val);
/*!<
* \brief Store an unsigned 48-bit integer in host byte order from 'val'
* into 'b' in network byte order.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li The length of the unused region of 'b' is at least 6.
*
* Ensures:
*\li The used pointer in 'b' is advanced by 6.
*/
void
isc__buffer_putuint24(isc_buffer_t *b, isc_uint32_t val);
/*!<
* Store an unsigned 24-bit integer in host byte order from 'val'
* into 'b' in network byte order.
*
* Requires:
*\li 'b' is a valid buffer.
*
* The length of the unused region of 'b' is at least 3.
*
* Ensures:
*\li The used pointer in 'b' is advanced by 3.
*/
void
isc__buffer_putmem(isc_buffer_t *b, const unsigned char *base,
unsigned int length);
/*!<
* \brief Copy 'length' bytes of memory at 'base' into 'b'.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li 'base' points to 'length' bytes of valid memory.
*
*/
void
isc__buffer_putstr(isc_buffer_t *b, const char *source);
/*!<
* \brief Copy 'source' into 'b', not including terminating NUL.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li 'source' to be a valid NULL terminated string.
*
*\li strlen(source) <= isc_buffer_available(b)
*/
isc_result_t
isc_buffer_copyregion(isc_buffer_t *b, const isc_region_t *r);
/*!<
* \brief Copy the contents of 'r' into 'b'.
*
* Requires:
*\li 'b' is a valid buffer.
*
*\li 'r' is a valid region.
*
* Returns:
*
*\li ISC_R_SUCCESS
*\li ISC_R_NOSPACE The available region of 'b' is not
* big enough.
*/
ISC_LANG_ENDDECLS
/*
* Inline macro versions of the functions. These should never be called
* directly by an application, but will be used by the functions within
* buffer.c. The callers should always use "isc_buffer_*()" names, never
* ones beginning with "isc__"
*/
/*! \note
* XXXDCL Something more could be done with initializing buffers that
* point to const data. For example, a new function, isc_buffer_initconst,
* could be used, and a new boolean flag in the buffer structure could
* indicate whether the buffer was initialized with that function.
* (isc_bufer_init itself would be reprototyped to *not* have its "base"
* parameter be const.) Then if the boolean were true, the isc_buffer_put*
* functions could assert a contractual requirement for a non-const buffer.
* One drawback is that the isc_buffer_* functions (macros) that return
* pointers would still need to return non-const pointers to avoid compiler
* warnings, so it would be up to code that uses them to have to deal
* with the possibility that the buffer was initialized as const --
* a problem that they *already* have to deal with but have absolutely
* no ability to. With a new isc_buffer_isconst() function returning
* true/false, they could at least assert a contractual requirement for
* non-const buffers when needed.
*/
#define ISC__BUFFER_INIT(_b, _base, _length) \
do { \
union { \
const void * konst; \
void * var; \
} _u; \
_u.konst = (_base); \
(_b)->base = _u.var; \
(_b)->length = (_length); \
(_b)->used = 0; \
(_b)->current = 0; \
(_b)->active = 0; \
(_b)->mctx = NULL; \
ISC_LINK_INIT(_b, link); \
(_b)->magic = ISC_BUFFER_MAGIC; \
} while (0)
#define ISC__BUFFER_INITNULL(_b) ISC__BUFFER_INIT(_b, NULL, 0)
#define ISC__BUFFER_INVALIDATE(_b) \
do { \
(_b)->magic = 0; \
(_b)->base = NULL; \
(_b)->length = 0; \
(_b)->used = 0; \
(_b)->current = 0; \
(_b)->active = 0; \
} while (0)
#define ISC__BUFFER_REGION(_b, _r) \
do { \
(_r)->base = (_b)->base; \
(_r)->length = (_b)->length; \
} while (0)
#define ISC__BUFFER_USEDREGION(_b, _r) \
do { \
(_r)->base = (_b)->base; \
(_r)->length = (_b)->used; \
} while (0)
#define ISC__BUFFER_AVAILABLEREGION(_b, _r) \
do { \
(_r)->base = isc_buffer_used(_b); \
(_r)->length = isc_buffer_availablelength(_b); \
} while (0)
#define ISC__BUFFER_ADD(_b, _n) \
do { \
(_b)->used += (_n); \
} while (0)
#define ISC__BUFFER_SUBTRACT(_b, _n) \
do { \
(_b)->used -= (_n); \
if ((_b)->current > (_b)->used) \
(_b)->current = (_b)->used; \
if ((_b)->active > (_b)->used) \
(_b)->active = (_b)->used; \
} while (0)
#define ISC__BUFFER_CLEAR(_b) \
do { \
(_b)->used = 0; \
(_b)->current = 0; \
(_b)->active = 0; \
} while (0)
#define ISC__BUFFER_CONSUMEDREGION(_b, _r) \
do { \
(_r)->base = (_b)->base; \
(_r)->length = (_b)->current; \
} while (0)
#define ISC__BUFFER_REMAININGREGION(_b, _r) \
do { \
(_r)->base = isc_buffer_current(_b); \
(_r)->length = isc_buffer_remaininglength(_b); \
} while (0)
#define ISC__BUFFER_ACTIVEREGION(_b, _r) \
do { \
if ((_b)->current < (_b)->active) { \
(_r)->base = isc_buffer_current(_b); \
(_r)->length = isc_buffer_activelength(_b); \
} else { \
(_r)->base = NULL; \
(_r)->length = 0; \
} \
} while (0)
#define ISC__BUFFER_SETACTIVE(_b, _n) \
do { \
(_b)->active = (_b)->current + (_n); \
} while (0)
#define ISC__BUFFER_FIRST(_b) \
do { \
(_b)->current = 0; \
} while (0)
#define ISC__BUFFER_FORWARD(_b, _n) \
do { \
(_b)->current += (_n); \
} while (0)
#define ISC__BUFFER_BACK(_b, _n) \
do { \
(_b)->current -= (_n); \
} while (0)
#define ISC__BUFFER_PUTMEM(_b, _base, _length) \
do { \
memcpy(isc_buffer_used(_b), (_base), (_length)); \
(_b)->used += (_length); \
} while (0)
#define ISC__BUFFER_PUTSTR(_b, _source) \
do { \
unsigned int _length; \
unsigned char *_cp; \
_length = strlen(_source); \
_cp = isc_buffer_used(_b); \
memcpy(_cp, (_source), _length); \
(_b)->used += (_length); \
} while (0)
#define ISC__BUFFER_PUTUINT8(_b, _val) \
do { \
unsigned char *_cp; \
isc_uint8_t _val2 = (_val); \
_cp = isc_buffer_used(_b); \
(_b)->used++; \
_cp[0] = _val2 & 0x00ff; \
} while (0)
#define ISC__BUFFER_PUTUINT16(_b, _val) \
do { \
unsigned char *_cp; \
isc_uint16_t _val2 = (_val); \
_cp = isc_buffer_used(_b); \
(_b)->used += 2; \
_cp[0] = (unsigned char)((_val2 & 0xff00U) >> 8); \
_cp[1] = (unsigned char)(_val2 & 0x00ffU); \
} while (0)
#define ISC__BUFFER_PUTUINT24(_b, _val) \
do { \
unsigned char *_cp; \
isc_uint32_t _val2 = (_val); \
_cp = isc_buffer_used(_b); \
(_b)->used += 3; \
_cp[0] = (unsigned char)((_val2 & 0xff0000U) >> 16); \
_cp[1] = (unsigned char)((_val2 & 0xff00U) >> 8); \
_cp[2] = (unsigned char)(_val2 & 0x00ffU); \
} while (0)
#define ISC__BUFFER_PUTUINT32(_b, _val) \
do { \
unsigned char *_cp; \
isc_uint32_t _val2 = (_val); \
_cp = isc_buffer_used(_b); \
(_b)->used += 4; \
_cp[0] = (unsigned char)((_val2 & 0xff000000) >> 24); \
_cp[1] = (unsigned char)((_val2 & 0x00ff0000) >> 16); \
_cp[2] = (unsigned char)((_val2 & 0x0000ff00) >> 8); \
_cp[3] = (unsigned char)((_val2 & 0x000000ff)); \
} while (0)
#if defined(ISC_BUFFER_USEINLINE)
#define isc_buffer_init ISC__BUFFER_INIT
#define isc_buffer_initnull ISC__BUFFER_INITNULL
#define isc_buffer_invalidate ISC__BUFFER_INVALIDATE
#define isc_buffer_region ISC__BUFFER_REGION
#define isc_buffer_usedregion ISC__BUFFER_USEDREGION
#define isc_buffer_availableregion ISC__BUFFER_AVAILABLEREGION
#define isc_buffer_add ISC__BUFFER_ADD
#define isc_buffer_subtract ISC__BUFFER_SUBTRACT
#define isc_buffer_clear ISC__BUFFER_CLEAR
#define isc_buffer_consumedregion ISC__BUFFER_CONSUMEDREGION
#define isc_buffer_remainingregion ISC__BUFFER_REMAININGREGION
#define isc_buffer_activeregion ISC__BUFFER_ACTIVEREGION
#define isc_buffer_setactive ISC__BUFFER_SETACTIVE
#define isc_buffer_first ISC__BUFFER_FIRST
#define isc_buffer_forward ISC__BUFFER_FORWARD
#define isc_buffer_back ISC__BUFFER_BACK
#define isc_buffer_putmem ISC__BUFFER_PUTMEM
#define isc_buffer_putstr ISC__BUFFER_PUTSTR
#define isc_buffer_putuint8 ISC__BUFFER_PUTUINT8
#define isc_buffer_putuint16 ISC__BUFFER_PUTUINT16
#define isc_buffer_putuint24 ISC__BUFFER_PUTUINT24
#define isc_buffer_putuint32 ISC__BUFFER_PUTUINT32
#else
#define isc_buffer_init isc__buffer_init
#define isc_buffer_initnull isc__buffer_initnull
#define isc_buffer_invalidate isc__buffer_invalidate
#define isc_buffer_region isc__buffer_region
#define isc_buffer_usedregion isc__buffer_usedregion
#define isc_buffer_availableregion isc__buffer_availableregion
#define isc_buffer_add isc__buffer_add
#define isc_buffer_subtract isc__buffer_subtract
#define isc_buffer_clear isc__buffer_clear
#define isc_buffer_consumedregion isc__buffer_consumedregion
#define isc_buffer_remainingregion isc__buffer_remainingregion
#define isc_buffer_activeregion isc__buffer_activeregion
#define isc_buffer_setactive isc__buffer_setactive
#define isc_buffer_first isc__buffer_first
#define isc_buffer_forward isc__buffer_forward
#define isc_buffer_back isc__buffer_back
#define isc_buffer_putmem isc__buffer_putmem
#define isc_buffer_putstr isc__buffer_putstr
#define isc_buffer_putuint8 isc__buffer_putuint8
#define isc_buffer_putuint16 isc__buffer_putuint16
#define isc_buffer_putuint24 isc__buffer_putuint24
#define isc_buffer_putuint32 isc__buffer_putuint32
#endif
/*
* No inline method for this one (yet).
*/
#define isc_buffer_putuint48 isc__buffer_putuint48
#endif /* ISC_BUFFER_H */
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