/usr/include/dpkg/macros.h is in libdpkg-dev 1.16.1.2ubuntu7.7.
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 | /*
* libdpkg - Debian packaging suite library routines
* macros.h - C language support macros
*
* Copyright © 2008, 2009 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 <http://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_MACROS_H
#define LIBDPKG_MACROS_H
#ifndef LIBDPKG_VOLATILE_API
#error "The libdpkg API is to be considered volatile, please read 'README.api'."
#endif
/* Language definitions. */
#ifdef __GNUC__
#define DPKG_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
#else
#define DPKG_GCC_VERSION 0
#endif
#if DPKG_GCC_VERSION >= 0x0300
#define DPKG_ATTR_UNUSED __attribute__((unused))
#define DPKG_ATTR_CONST __attribute__((const))
#define DPKG_ATTR_PURE __attribute__((pure))
#define DPKG_ATTR_MALLOC __attribute__((malloc))
#define DPKG_ATTR_NORET __attribute__((noreturn))
#define DPKG_ATTR_PRINTF(n) __attribute__((format(printf, n, n + 1)))
#define DPKG_ATTR_VPRINTF(n) __attribute__((format(printf, n, 0)))
#else
#define DPKG_ATTR_UNUSED
#define DPKG_ATTR_CONST
#define DPKG_ATTR_PURE
#define DPKG_ATTR_MALLOC
#define DPKG_ATTR_NORET
#define DPKG_ATTR_PRINTF(n)
#define DPKG_ATTR_VPRINTF(n)
#endif
#if DPKG_GCC_VERSION > 0x0302
#define DPKG_ATTR_NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
#define DPKG_ATTR_REQRET __attribute__((warn_unused_result))
#else
#define DPKG_ATTR_NONNULL(...)
#define DPKG_ATTR_REQRET
#endif
#if DPKG_GCC_VERSION >= 0x0400
#define DPKG_ATTR_SENTINEL __attribute__((sentinel))
#else
#define DPKG_ATTR_SENTINEL
#endif
#ifdef __cplusplus
#define DPKG_BEGIN_DECLS extern "C" {
#define DPKG_END_DECLS }
#else
#define DPKG_BEGIN_DECLS
#define DPKG_END_DECLS
#endif
#ifndef array_count
#define array_count(a) (sizeof(a) / sizeof((a)[0]))
#endif
/* For C++ use native implementations from STL or similar. */
#ifndef __cplusplus
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
#endif
#endif /* LIBDPKG_MACROS_H */
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