initial code repo

[stor4nfv.git] / src / ceph / src / crush / crush_compat.h

diff --git a/src/ceph/src/crush/crush_compat.h b/src/ceph/src/crush/crush_compat.h
new file mode 100644 (file)
index 0000000..08eb4ea
--- /dev/null
+++ b/src/ceph/src/crush/crush_compat.h
@@ -0,0 +1,39 @@
+#ifndef CEPH_CRUSH_COMPAT_H
+#define CEPH_CRUSH_COMPAT_H
+
+#include "include/int_types.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* asm-generic/bug.h */
+
+#define BUG_ON(x) assert(!(x))
+
+/* linux/kernel.h */
+
+#define U8_MAX         ((__u8)~0U)
+#define S8_MAX         ((__s8)(U8_MAX>>1))
+#define S8_MIN         ((__s8)(-S8_MAX - 1))
+#define U16_MAX                ((__u16)~0U)
+#define S16_MAX                ((__s16)(U16_MAX>>1))
+#define S16_MIN                ((__s16)(-S16_MAX - 1))
+#define U32_MAX                ((__u32)~0U)
+#define S32_MAX                ((__s32)(U32_MAX>>1))
+#define S32_MIN                ((__s32)(-S32_MAX - 1))
+#define U64_MAX                ((__u64)~0ULL)
+#define S64_MAX                ((__s64)(U64_MAX>>1))
+#define S64_MIN                ((__s64)(-S64_MAX - 1))
+
+/* linux/math64.h */
+
+#define div64_s64(dividend, divisor) ((dividend) / (divisor))
+
+/* linux/slab.h */
+
+#define kmalloc(size, flags) malloc(size)
+#define kfree(x) do { if (x) free(x); } while (0)
+
+#endif /* CEPH_CRUSH_COMPAT_H */