X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=utils.h;h=383a52105fc6dec0d3cb73b97e6ac826fa4ce3a8;hp=e56998d2f3bbad6198eed676be8fd252b8311e2c;hb=5ad190fccfc01fcc6f68d9eefe5ea0df718c6006;hpb=d03a6a27c7fcdca70db417c15cdccc0185b1efef

diff --git a/utils.h b/utils.h
index e56998d..383a521 100644
--- a/utils.h
+++ b/utils.h
@@ -20,6 +20,8 @@
 #define __LIBUBOX_UTILS_H
 
 #include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
 
 /*
  * calloc_a(size_t len, [void **addr, size_t len,...], NULL)
@@ -30,8 +32,93 @@
  * the last argument needs to be a NULL pointer
  */
 
-#define calloc_a(len, ...) __calloc_a(len, ##__VA_ARGS__)
+#define calloc_a(len, ...) __calloc_a(len, ##__VA_ARGS__, NULL)
 
 void *__calloc_a(size_t len, ...);
 
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#endif
+
+#define __BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+
+#ifdef __OPTIMIZE__
+extern int __BUILD_BUG_ON_CONDITION_FAILED;
+#define BUILD_BUG_ON(condition)					\
+	do {							\
+		__BUILD_BUG_ON(condition);			\
+		if (condition)					\
+			__BUILD_BUG_ON_CONDITION_FAILED = 1;	\
+	} while(0)
+#else
+#define BUILD_BUG_ON __BUILD_BUG_ON
+#endif
+
+#ifdef __APPLE__
+
+#define CLOCK_REALTIME	0
+#define CLOCK_MONOTONIC	1
+
+void clock_gettime(int type, struct timespec *tv);
+
+#endif
+
+#if defined(__linux__) || defined(__CYGWIN__)
+#include <byteswap.h>
+#include <endian.h>
+
+#elif defined(__APPLE__)
+#include <machine/endian.h>
+#include <machine/byte_order.h>
+#define bswap_16(x) OSSwapInt16(x)
+#define bswap_32(x) OSSwapInt32(x)
+#define bswap_64(x) OSSwapInt64(x)
+#elif defined(__FreeBSD__)
+#include <sys/endian.h>
+#define bswap_16(x) bswap16(x)
+#define bswap_32(x) bswap32(x)
+#define bswap_64(x) bswap64(x)
+#else
+#include <machine/endian.h>
+#define bswap_16(x) swap16(x)
+#define bswap_32(x) swap32(x)
+#define bswap_64(x) swap64(x)
+#endif
+
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+#define cpu_to_be64(x) bswap_64(x)
+#define cpu_to_be32(x) bswap_32(x)
+#define cpu_to_be16(x) bswap_16(x)
+
+#define be64_to_cpu(x) bswap_64(x)
+#define be32_to_cpu(x) bswap_32(x)
+#define be16_to_cpu(x) bswap_16(x)
+
+#else
+
+#define cpu_to_be64(x) (x)
+#define cpu_to_be32(x) (x)
+#define cpu_to_be16(x) (x)
+
+#define be64_to_cpu(x) (x)
+#define be32_to_cpu(x) (x)
+#define be16_to_cpu(x) (x)
+
+#endif
+
+#ifndef __packed
+#define __packed __attribute__((packed))
+#endif
+
 #endif