/usr/include/isc/region.h is in libbind-dev 1:9.11.3+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /*
* Copyright (C) 1998-2002, 2004-2007, 2013, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* $Id: region.h,v 1.25 2007/06/19 23:47:18 tbox Exp $ */
#ifndef ISC_REGION_H
#define ISC_REGION_H 1
/*! \file isc/region.h */
#include <isc/types.h>
#include <isc/lang.h>
struct isc_region {
unsigned char * base;
unsigned int length;
};
struct isc_textregion {
char * base;
unsigned int length;
};
/* XXXDCL questionable ... bears discussion. we have been putting off
* discussing the region api.
*/
struct isc_constregion {
const void * base;
unsigned int length;
};
struct isc_consttextregion {
const char * base;
unsigned int length;
};
/*@{*/
/*!
* The region structure is not opaque, and is usually directly manipulated.
* Some macros are defined below for convenience.
*/
#define isc_region_consume(r,l) \
do { \
isc_region_t *_r = (r); \
unsigned int _l = (l); \
INSIST(_r->length >= _l); \
_r->base += _l; \
_r->length -= _l; \
} while (0)
#define isc_textregion_consume(r,l) \
do { \
isc_textregion_t *_r = (r); \
unsigned int _l = (l); \
INSIST(_r->length >= _l); \
_r->base += _l; \
_r->length -= _l; \
} while (0)
#define isc_constregion_consume(r,l) \
do { \
isc_constregion_t *_r = (r); \
unsigned int _l = (l); \
INSIST(_r->length >= _l); \
_r->base += _l; \
_r->length -= _l; \
} while (0)
/*@}*/
ISC_LANG_BEGINDECLS
int
isc_region_compare(isc_region_t *r1, isc_region_t *r2);
/*%<
* Compares the contents of two regions
*
* Requires:
*\li 'r1' is a valid region
*\li 'r2' is a valid region
*
* Returns:
*\li < 0 if r1 is lexicographically less than r2
*\li = 0 if r1 is lexicographically identical to r2
*\li > 0 if r1 is lexicographically greater than r2
*/
ISC_LANG_ENDDECLS
#endif /* ISC_REGION_H */
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