/usr/include/dpkg/version.h is in libdpkg-dev 1.17.27.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* libdpkg - Debian packaging suite library routines
* version.h - version handling routines
*
* Copyright © 1994,1995 Ian Jackson <ian@chiark.greenend.org.uk>
* Copyright © 2011-2014 Guillem Jover <guillem@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_VERSION_H
#define LIBDPKG_VERSION_H
#include <stdbool.h>
#include <dpkg/macros.h>
DPKG_BEGIN_DECLS
/**
* @defgroup version Version handling
* @ingroup dpkg-public
* @{
*/
/**
* Data structure representing a Debian version.
*
* @see deb-version(5)
*/
struct dpkg_version {
/** The epoch. It will be zero if no epoch is present. */
unsigned int epoch;
/** The upstream part of the version. */
const char *version;
/** The Debian revision part of the version. */
const char *revision;
};
/**
* Compound literal for a dpkg_version.
*/
#define DPKG_VERSION_OBJECT(e, v, r) \
(struct dpkg_version){ .epoch = (e), .version = (v), .revision = (r) }
/**
* Enum constants for the supported relation operations that can be done
* on Debian versions.
*/
enum dpkg_relation {
/** The “none” relation, sentinel value. */
DPKG_RELATION_NONE = 0,
/** Equality relation (‘=’). */
DPKG_RELATION_EQ = DPKG_BIT(0),
/** Less than relation (‘<<’). */
DPKG_RELATION_LT = DPKG_BIT(1),
/** Less than or equal to relation (‘<=’). */
DPKG_RELATION_LE = DPKG_RELATION_LT | DPKG_RELATION_EQ,
/** Greater than relation (‘>>’). */
DPKG_RELATION_GT = DPKG_BIT(2),
/** Greater than or equal to relation (‘>=’). */
DPKG_RELATION_GE = DPKG_RELATION_GT | DPKG_RELATION_EQ,
};
void dpkg_version_blank(struct dpkg_version *version);
bool dpkg_version_is_informative(const struct dpkg_version *version);
int dpkg_version_compare(const struct dpkg_version *a,
const struct dpkg_version *b);
bool dpkg_version_relate(const struct dpkg_version *a,
enum dpkg_relation rel,
const struct dpkg_version *b);
/** @} */
DPKG_END_DECLS
#endif /* LIBDPKG_VERSION_H */
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