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diff --git a/src/shared/macro.h b/src/shared/macro.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <assert.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <inttypes.h>
+
+#define _printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
+#define _sentinel_ __attribute__ ((sentinel))
+#define _noreturn_ __attribute__((noreturn))
+#define _unused_ __attribute__ ((unused))
+#define _destructor_ __attribute__ ((destructor))
+#define _pure_ __attribute__ ((pure))
+#define _const_ __attribute__ ((const))
+#define _deprecated_ __attribute__ ((deprecated))
+#define _packed_ __attribute__ ((packed))
+#define _malloc_ __attribute__ ((malloc))
+#define _weak_ __attribute__ ((weak))
+#define _likely_(x) (__builtin_expect(!!(x),1))
+#define _unlikely_(x) (__builtin_expect(!!(x),0))
+#define _public_ __attribute__ ((visibility("default")))
+#define _hidden_ __attribute__ ((visibility("hidden")))
+#define _weakref_(x) __attribute__((weakref(#x)))
+#define _introspect_(x) __attribute__((section("introspect." x)))
+#define _alignas_(x) __attribute__((aligned(__alignof(x))))
+
+#define XSTRINGIFY(x) #x
+#define STRINGIFY(x) XSTRINGIFY(x)
+
+/* Rounds up */
+#define ALIGN(l) ALIGN_TO((l), sizeof(void*))
+static inline size_t ALIGN_TO(size_t l, size_t ali) {
+ return ((l + ali - 1) & ~(ali - 1));
+}
+
+#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
+
+/*
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+#ifndef MAX
+#define MAX(a,b) \
+ __extension__ ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a > _b ? _a : _b; \
+ })
+#endif
+
+#define MAX3(a,b,c) \
+ MAX(MAX(a,b),c)
+
+#ifndef MIN
+#define MIN(a,b) \
+ __extension__ ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a < _b ? _a : _b; \
+ })
+#endif
+
+#define MIN3(a,b,c) \
+ MIN(MIN(a,b),c)
+
+#define CLAMP(x, low, high) \
+ __extension__ ({ \
+ typeof(x) _x = (x); \
+ typeof(low) _low = (low); \
+ typeof(high) _high = (high); \
+ ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
+ })
+
+#define assert_se(expr) \
+ do { \
+ if (_unlikely_(!(expr))) \
+ log_assert_failed(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ } while (false) \
+
+/* We override the glibc assert() here. */
+#undef assert
+#ifdef NDEBUG
+#define assert(expr) do {} while(false)
+#else
+#define assert(expr) assert_se(expr)
+#endif
+
+#define assert_not_reached(t) \
+ do { \
+ log_assert_failed_unreachable(t, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ } while (false)
+
+#define assert_cc(expr) \
+ do { \
+ switch (0) { \
+ case 0: \
+ case !!(expr): \
+ ; \
+ } \
+ } while (false)
+
+#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
+#define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))
+
+#define PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p)))
+#define UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u)))
+
+#define PTR_TO_ULONG(p) ((unsigned long) ((uintptr_t) (p)))
+#define ULONG_TO_PTR(u) ((void*) ((uintptr_t) (u)))
+
+#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
+#define INT_TO_PTR(u) ((void*) ((intptr_t) (u)))
+
+#define TO_INT32(p) ((int32_t) ((intptr_t) (p)))
+#define INT32_TO_PTR(u) ((void*) ((intptr_t) (u)))
+
+#define PTR_TO_LONG(p) ((long) ((intptr_t) (p)))
+#define LONG_TO_PTR(u) ((void*) ((intptr_t) (u)))
+
+#define memzero(x,l) (memset((x), 0, (l)))
+#define zero(x) (memzero(&(x), sizeof(x)))
+
+#define char_array_0(x) x[sizeof(x)-1] = 0;
+
+#define IOVEC_SET_STRING(i, s) \
+ do { \
+ struct iovec *_i = &(i); \
+ char *_s = (char *)(s); \
+ _i->iov_base = _s; \
+ _i->iov_len = strlen(_s); \
+ } while(false)
+
+static inline size_t IOVEC_TOTAL_SIZE(const struct iovec *i, unsigned n) {
+ unsigned j;
+ size_t r = 0;
+
+ for (j = 0; j < n; j++)
+ r += i[j].iov_len;
+
+ return r;
+}
+
+static inline size_t IOVEC_INCREMENT(struct iovec *i, unsigned n, size_t k) {
+ unsigned j;
+
+ for (j = 0; j < n; j++) {
+ size_t sub;
+
+ if (_unlikely_(k <= 0))
+ break;
+
+ sub = MIN(i[j].iov_len, k);
+ i[j].iov_len -= sub;
+ i[j].iov_base = (uint8_t*) i[j].iov_base + sub;
+ k -= sub;
+ }
+
+ return k;
+}
+
+#define _cleanup_free_ __attribute__((cleanup(freep)))
+#define _cleanup_fclose_ __attribute__((cleanup(fclosep)))
+#define _cleanup_close_ __attribute__((cleanup(closep)))
+#define _cleanup_closedir_ __attribute__((cleanup(closedirp)))
+#define _cleanup_umask_ __attribute__((cleanup(umaskp)))
+#define _cleanup_strv_free_ __attribute__((cleanup(strv_freep)))
+
+#define VA_FORMAT_ADVANCE(format, ap) \
+do { \
+ int _argtypes[128]; \
+ size_t _i, _k; \
+ _k = parse_printf_format((format), ELEMENTSOF(_argtypes), _argtypes); \
+ assert(_k < ELEMENTSOF(_argtypes)); \
+ for (_i = 0; _i < _k; _i++) { \
+ if (_argtypes[_i] & PA_FLAG_PTR) { \
+ (void) va_arg(ap, void*); \
+ continue; \
+ } \
+ \
+ switch (_argtypes[_i]) { \
+ case PA_INT: \
+ case PA_INT|PA_FLAG_SHORT: \
+ case PA_CHAR: \
+ (void) va_arg(ap, int); \
+ break; \
+ case PA_INT|PA_FLAG_LONG: \
+ (void) va_arg(ap, long int); \
+ break; \
+ case PA_INT|PA_FLAG_LONG_LONG: \
+ (void) va_arg(ap, long long int); \
+ break; \
+ case PA_WCHAR: \
+ (void) va_arg(ap, wchar_t); \
+ break; \
+ case PA_WSTRING: \
+ case PA_STRING: \
+ case PA_POINTER: \
+ (void) va_arg(ap, void*); \
+ break; \
+ case PA_FLOAT: \
+ case PA_DOUBLE: \
+ (void) va_arg(ap, double); \
+ break; \
+ case PA_DOUBLE|PA_FLAG_LONG_DOUBLE: \
+ (void) va_arg(ap, long double); \
+ break; \
+ default: \
+ assert_not_reached("Unknown format string argument."); \
+ } \
+ } \
+} while(false)
+
+#include "log.h"
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