--- /dev/null
+/*
+ * This program 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 program 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __SHARED_COMPILER_H
+#define __SHARED_COMPILER_H
+
+#define __noinline __attribute__((noinline))
+#define __noreturn __attribute__((noreturn))
+#define __inline __attribute__((always_inline))
+#define __hot __attribute__((hot))
+#define __cold __attribute__((cold))
+#define __unused __attribute__((unused))
+#define __force __attribute__((force))
+#define __section(s) __attribute__((section("." # s)))
+#define __aligned(a) __attribute__((aligned(a)))
+#define __packed __attribute__((packed))
+#define __visible __attribute__((externally_visible))
+
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
+
+#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
+
+#define __roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+
+#define __must_be_array(a) \
+ BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
+#define ARRAY_SIZE(arr) (sizeof((arr)) / sizeof((arr)[0]) + __must_be_array(arr))
+
+#define BIT(b) (1 << (b))
+#define MASK(w) (BIT(w) - 1)
+
+#undef offsetof
+#ifdef __compiler_offsetof
+# define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
+#else
+# define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
+#define min(x, y) ({ \
+ typeof(x) _min1 = (x); \
+ typeof(y) _min2 = (y); \
+ (void) (&_min1 == &_min2); \
+ _min1 < _min2 ? _min1 : _min2; })
+
+#define max(x, y) ({ \
+ typeof(x) _max1 = (x); \
+ typeof(y) _max2 = (y); \
+ (void) (&_max1 == &_max2); \
+ _max1 > _max2 ? _max1 : _max2; })
+
+#define min_t(type, x, y) ({ \
+ type __min1 = (x); \
+ type __min2 = (y); \
+ __min1 < __min2 ? __min1 : __min2; })
+
+#define max_t(type, x, y) ({ \
+ type __max1 = (x); \
+ type __max2 = (y); \
+ __max1 > __max2 ? __max1 : __max2; })
+
+
+#define container_of(ptr, type, member) ({ \
+ const typeof(((type *)0)->member) * __mptr = (ptr); \
+ (type *)(((unsigned long)__mptr - offsetof(type, member))); })
+
+#define MAX_ERRNO 4095
+
+#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
+
+static inline void *ERR_PTR(long errornr)
+{
+ return (void *) errornr;
+}
+
+static inline long PTR_ERR(const void *ptr)
+{
+ return (long) ptr;
+}
+
+static inline long IS_ERR(const void *ptr)
+{
+ return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+static inline long IS_ERR_OR_NULL(const void *ptr)
+{
+ return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+#endif /* __SHARED_COMPILER_H */
projects / librecmc / open-ath9k-htc-firmware.git / commitdiff