mirror of
https://github.com/systemd/systemd.git
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129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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#ifndef foomacrohfoo
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#define foomacrohfoo
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <assert.h>
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#include <sys/types.h>
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#define _printf_attr(a,b) __attribute__ ((format (printf, a, b)))
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#define _sentinel __attribute__ ((sentinel))
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#define _noreturn __attribute__((noreturn))
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#define _unused __attribute__ ((unused))
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#define _destructor __attribute__ ((destructor))
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#define _pure __attribute__ ((pure))
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#define _const __attribute__ ((const))
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#define _deprecated __attribute__ ((deprecated))
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#define _packed __attribute__ ((packed))
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#define _malloc __attribute__ ((malloc))
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#define _likely(x) (__builtin_expect(!!(x),1))
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#define _unlikely(x) (__builtin_expect(!!(x),0))
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/* Rounds up */
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static inline size_t ALIGN(size_t l) {
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return ((l + sizeof(void*) - 1) & ~(sizeof(void*) - 1));
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}
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#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
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#define MAX(a,b) \
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__extension__ ({ \
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typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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_a > _b ? _a : _b; \
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})
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#define MIN(a,b) \
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__extension__ ({ \
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typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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_a < _b ? _a : _b; \
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})
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#define CLAMP(x, low, high) \
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__extension__ ({ \
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typeof(x) _x = (x); \
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typeof(low) _low = (low); \
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typeof(high) _high = (high); \
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((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
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})
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#define assert_se(expr) \
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do { \
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if (_unlikely(!(expr))) { \
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log_error("Assertion '%s' failed at %s:%u, function %s(). Aborting.", \
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#expr , __FILE__, __LINE__, __PRETTY_FUNCTION__); \
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abort(); \
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} \
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} while (false) \
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/* We override the glibc assert() here. */
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#undef assert
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#ifdef NDEBUG
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#define assert(expr) do {} while(false)
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#else
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#define assert(expr) assert_se(expr)
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#endif
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#define assert_not_reached(t) \
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do { \
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log_error("Code should not be reached '%s' at %s:%u, function %s(). Aborting.", \
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t, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
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abort(); \
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} while (false)
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#define assert_cc(expr) \
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do { \
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switch (0) { \
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case 0: \
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case !!(expr): \
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; \
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} \
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} while (false)
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#define PTR_TO_UINT(p) ((unsigned int) ((uintptr_t) (p)))
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#define UINT_TO_PTR(u) ((void*) ((uintptr_t) (u)))
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#define PTR_TO_UINT32(p) ((uint32_t) ((uintptr_t) (p)))
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#define UINT32_TO_PTR(u) ((void*) ((uintptr_t) (u)))
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#define PTR_TO_INT(p) ((int) ((intptr_t) (p)))
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#define INT_TO_PTR(u) ((void*) ((intptr_t) (u)))
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#define TO_INT32(p) ((int32_t) ((intptr_t) (p)))
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#define INT32_TO_PTR(u) ((void*) ((intptr_t) (u)))
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#define memzero(x,l) (memset((x), 0, (l)))
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#define zero(x) (memzero(&(x), sizeof(x)))
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#define char_array_0(x) x[sizeof(x)-1] = 0;
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#define IOVEC_SET_STRING(iovec, s) \
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do { \
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(iovec).iov_base = s; \
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(iovec).iov_len = strlen(s); \
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} while(false);
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#include "log.h"
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#endif
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