This patch adds bitmap.c and bitmap.h to rdma-core/ccan to
support bitmap operation, as they depends on endian.h,
therefore, endian.h also is added.
Signed-off-by: Yixian Liu <liuyixian@xxxxxxxxxx>
---
CMakeLists.txt | 2 +
ccan/CMakeLists.txt | 3 +
ccan/bitmap.c | 125 ++++++++++++++++++
ccan/bitmap.h | 243 +++++++++++++++++++++++++++++++++++
ccan/endian.h | 355 ++++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 728 insertions(+)
create mode 100644 ccan/bitmap.c
create mode 100644 ccan/bitmap.h
create mode 100644 ccan/endian.h
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 96c36c9..ec313b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -141,6 +141,8 @@ if (NOT DEFINED ENABLE_STATIC)
set(ENABLE_STATIC "OFF" CACHE BOOL "Produce static linking libraries as well as shared libraries.")
endif()
+add_definitions("-DHAVE_LITTLE_ENDIAN=1")
+
#-------------------------
# Setup the basic C compiler
RDMA_BuildType()
diff --git a/ccan/CMakeLists.txt b/ccan/CMakeLists.txt
index b5de515..798b88a 100644
--- a/ccan/CMakeLists.txt
+++ b/ccan/CMakeLists.txt
@@ -1,7 +1,9 @@
publish_internal_headers(ccan
+ bitmap.h
build_assert.h
check_type.h
container_of.h
+ endian.h
list.h
minmax.h
str.h
@@ -9,6 +11,7 @@ publish_internal_headers(ccan
)
set(C_FILES
+ bitmap.c
list.c
str.c
)
diff --git a/ccan/bitmap.c b/ccan/bitmap.c
new file mode 100644
index 0000000..03eb422
--- /dev/null
+++ b/ccan/bitmap.c
@@ -0,0 +1,125 @@
+/* Licensed under LGPLv2.1+ - see LICENSE file for details */
+
+#include "config.h"
+
+#include <ccan/bitmap.h>
+
+#include <assert.h>
+
+#define BIT_ALIGN_DOWN(n) ((n) & ~(BITMAP_WORD_BITS - 1))
+#define BIT_ALIGN_UP(n) BIT_ALIGN_DOWN((n) + BITMAP_WORD_BITS - 1)
+
+void bitmap_zero_range(bitmap *bitmap, unsigned long n, unsigned long m)
+{
+ unsigned long an = BIT_ALIGN_UP(n);
+ unsigned long am = BIT_ALIGN_DOWN(m);
+ bitmap_word headmask = -1ULL >> (n % BITMAP_WORD_BITS);
+ bitmap_word tailmask = ~(-1ULL >> (m % BITMAP_WORD_BITS));
+
+ assert(m >= n);
+
+ if (am < an) {
+ BITMAP_WORD(bitmap, n) &= ~bitmap_bswap(headmask & tailmask);
+ return;
+ }
+
+ if (an > n)
+ BITMAP_WORD(bitmap, n) &= ~bitmap_bswap(headmask);
+
+ if (am > an)
+ memset(&BITMAP_WORD(bitmap, an), 0,
+ (am - an) / BITMAP_WORD_BITS * sizeof(bitmap_word));
+
+ if (m > am)
+ BITMAP_WORD(bitmap, m) &= ~bitmap_bswap(tailmask);
+}
+
+void bitmap_fill_range(bitmap *bitmap, unsigned long n, unsigned long m)
+{
+ unsigned long an = BIT_ALIGN_UP(n);
+ unsigned long am = BIT_ALIGN_DOWN(m);
+ bitmap_word headmask = -1ULL >> (n % BITMAP_WORD_BITS);
+ bitmap_word tailmask = ~(-1ULL >> (m % BITMAP_WORD_BITS));
+
+ assert(m >= n);
+
+ if (am < an) {
+ BITMAP_WORD(bitmap, n) |= bitmap_bswap(headmask & tailmask);
+ return;
+ }
+
+ if (an > n)
+ BITMAP_WORD(bitmap, n) |= bitmap_bswap(headmask);
+
+ if (am > an)
+ memset(&BITMAP_WORD(bitmap, an), 0xff,
+ (am - an) / BITMAP_WORD_BITS * sizeof(bitmap_word));
+
+ if (m > am)
+ BITMAP_WORD(bitmap, m) |= bitmap_bswap(tailmask);
+}
+
+static int bitmap_clz(bitmap_word w)
+{
+#if HAVE_BUILTIN_CLZL
+ return __builtin_clzl(w);
+#else
+ int lz = 0;
+ bitmap_word mask = 1UL << (BITMAP_WORD_BITS - 1);
+
+ while (!(w & mask)) {
+ lz++;
+ mask >>= 1;
+ }
+
+ return lz;
+#endif
+}
+
+unsigned long bitmap_ffs(const bitmap *bitmap,
+ unsigned long n, unsigned long m)
+{
+ unsigned long an = BIT_ALIGN_UP(n);
+ unsigned long am = BIT_ALIGN_DOWN(m);
+ bitmap_word headmask = -1ULL >> (n % BITMAP_WORD_BITS);
+ bitmap_word tailmask = ~(-1ULL >> (m % BITMAP_WORD_BITS));
+
+ assert(m >= n);
+
+ if (am < an) {
+ bitmap_word w = bitmap_bswap(BITMAP_WORD(bitmap, n));
+
+ w &= (headmask & tailmask);
+
+ return w ? am + bitmap_clz(w) : m;
+ }
+
+ if (an > n) {
+ bitmap_word w = bitmap_bswap(BITMAP_WORD(bitmap, n));
+
+ w &= headmask;
+
+ if (w)
+ return BIT_ALIGN_DOWN(n) + bitmap_clz(w);
+ }
+
+ while (an < am) {
+ bitmap_word w = bitmap_bswap(BITMAP_WORD(bitmap, an));
+
+ if (w)
+ return an + bitmap_clz(w);
+
+ an += BITMAP_WORD_BITS;
+ }
+
+ if (m > am) {
+ bitmap_word w = bitmap_bswap(BITMAP_WORD(bitmap, m));
+
+ w &= tailmask;
+
+ if (w)
+ return am + bitmap_clz(w);
+ }
+
+ return m;
+}
diff --git a/ccan/bitmap.h b/ccan/bitmap.h
new file mode 100644
index 0000000..bc5ffe9
--- /dev/null
+++ b/ccan/bitmap.h
@@ -0,0 +1,243 @@
+/* Licensed under LGPLv2+ - see LICENSE file for details */
+#ifndef CCAN_BITMAP_H_
+#define CCAN_BITMAP_H_
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+
+#include <ccan/endian.h>
+
+typedef unsigned long bitmap_word;
+
+#define BITMAP_WORD_BITS (sizeof(bitmap_word) * CHAR_BIT)
+#define BITMAP_NWORDS(_n) \
+ (((_n) + BITMAP_WORD_BITS - 1) / BITMAP_WORD_BITS)
+
+/*
+ * We wrap each word in a structure for type checking.
+ */
+typedef struct {
+ bitmap_word w;
+} bitmap;
+
+#define BITMAP_DECLARE(_name, _nbits) \
+ bitmap (_name)[BITMAP_NWORDS(_nbits)]
+
+static inline size_t bitmap_sizeof(unsigned long nbits)
+{
+ return BITMAP_NWORDS(nbits) * sizeof(bitmap_word);
+}
+
+static inline bitmap_word bitmap_bswap(bitmap_word w)
+{
+ if (BITMAP_WORD_BITS == 32)
+ return (ENDIAN_CAST bitmap_word)cpu_to_be32(w);
+ else if (BITMAP_WORD_BITS == 64)
+ return (ENDIAN_CAST bitmap_word)cpu_to_be64(w);
+}
+
+#define BITMAP_WORD(_bm, _n) ((_bm)[(_n) / BITMAP_WORD_BITS].w)
+#define BITMAP_WORDBIT(_n) \
+ (bitmap_bswap(1UL << (BITMAP_WORD_BITS - ((_n) % BITMAP_WORD_BITS) - 1)))
+
+#define BITMAP_HEADWORDS(_nbits) \
+ ((_nbits) / BITMAP_WORD_BITS)
+#define BITMAP_HEADBYTES(_nbits) \
+ (BITMAP_HEADWORDS(_nbits) * sizeof(bitmap_word))
+
+#define BITMAP_TAILWORD(_bm, _nbits) \
+ ((_bm)[BITMAP_HEADWORDS(_nbits)].w)
+#define BITMAP_HASTAIL(_nbits) (((_nbits) % BITMAP_WORD_BITS) != 0)
+#define BITMAP_TAILBITS(_nbits) \
+ (bitmap_bswap(~(-1UL >> ((_nbits) % BITMAP_WORD_BITS))))
+#define BITMAP_TAIL(_bm, _nbits) \
+ (BITMAP_TAILWORD(_bm, _nbits) & BITMAP_TAILBITS(_nbits))
+
+static inline void bitmap_set_bit(bitmap *bitmap, unsigned long n)
+{
+ BITMAP_WORD(bitmap, n) |= BITMAP_WORDBIT(n);
+}
+
+static inline void bitmap_clear_bit(bitmap *bitmap, unsigned long n)
+{
+ BITMAP_WORD(bitmap, n) &= ~BITMAP_WORDBIT(n);
+}
+
+static inline void bitmap_change_bit(bitmap *bitmap, unsigned long n)
+{
+ BITMAP_WORD(bitmap, n) ^= BITMAP_WORDBIT(n);
+}
+
+static inline bool bitmap_test_bit(const bitmap *bitmap, unsigned long n)
+{
+ return !!(BITMAP_WORD(bitmap, n) & BITMAP_WORDBIT(n));
+}
+
+void bitmap_zero_range(bitmap *bitmap, unsigned long n, unsigned long m);
+void bitmap_fill_range(bitmap *bitmap, unsigned long n, unsigned long m);
+
+static inline void bitmap_zero(bitmap *bitmap, unsigned long nbits)
+{
+ memset(bitmap, 0, bitmap_sizeof(nbits));
+}
+
+static inline void bitmap_fill(bitmap *bitmap, unsigned long nbits)
+{
+ memset(bitmap, 0xff, bitmap_sizeof(nbits));
+}
+
+static inline void bitmap_copy(bitmap *dst, const bitmap *src,
+ unsigned long nbits)
+{
+ memcpy(dst, src, bitmap_sizeof(nbits));
+}
+
+#define BITMAP_DEF_BINOP(_name, _op) \
+ static inline void bitmap_##_name(bitmap *dst, bitmap *src1, bitmap *src2, \
+ unsigned long nbits) \
+ { \
+ unsigned long i = 0; \
+ for (i = 0; i < BITMAP_NWORDS(nbits); i++) { \
+ dst[i].w = src1[i].w _op src2[i].w; \
+ } \
+ }
+
+BITMAP_DEF_BINOP(and, &)
+BITMAP_DEF_BINOP(or, |)
+BITMAP_DEF_BINOP(xor, ^)
+BITMAP_DEF_BINOP(andnot, & ~)
+
+#undef BITMAP_DEF_BINOP
+
+static inline void bitmap_complement(bitmap *dst, const bitmap *src,
+ unsigned long nbits)
+{
+ unsigned long i;
+
+ for (i = 0; i < BITMAP_NWORDS(nbits); i++)
+ dst[i].w = ~src[i].w;
+}
+
+static inline bool bitmap_equal(const bitmap *src1, const bitmap *src2,
+ unsigned long nbits)
+{
+ return (memcmp(src1, src2, BITMAP_HEADBYTES(nbits)) == 0)
+ && (!BITMAP_HASTAIL(nbits)
+ || (BITMAP_TAIL(src1, nbits) == BITMAP_TAIL(src2, nbits)));
+}
+
+static inline bool bitmap_intersects(const bitmap *src1, const bitmap *src2,
+ unsigned long nbits)
+{
+ unsigned long i;
+
+ for (i = 0; i < BITMAP_HEADWORDS(nbits); i++) {
+ if (src1[i].w & src2[i].w)
+ return true;
+ }
+ if (BITMAP_HASTAIL(nbits) &&
+ (BITMAP_TAIL(src1, nbits) & BITMAP_TAIL(src2, nbits)))
+ return true;
+ return false;
+}
+
+static inline bool bitmap_subset(const bitmap *src1, const bitmap *src2,
+ unsigned long nbits)
+{
+ unsigned long i;
+
+ for (i = 0; i < BITMAP_HEADWORDS(nbits); i++) {
+ if (src1[i].w & ~src2[i].w)
+ return false;
+ }
+ if (BITMAP_HASTAIL(nbits) &&
+ (BITMAP_TAIL(src1, nbits) & ~BITMAP_TAIL(src2, nbits)))
+ return false;
+ return true;
+}
+
+static inline bool bitmap_full(const bitmap *bitmap, unsigned long nbits)
+{
+ unsigned long i;
+
+ for (i = 0; i < BITMAP_HEADWORDS(nbits); i++) {
+ if (bitmap[i].w != -1UL)
+ return false;
+ }
+ if (BITMAP_HASTAIL(nbits) &&
+ (BITMAP_TAIL(bitmap, nbits) != BITMAP_TAILBITS(nbits)))
+ return false;
+
+ return true;
+}
+
+static inline bool bitmap_empty(const bitmap *bitmap, unsigned long nbits)
+{
+ unsigned long i;
+
+ for (i = 0; i < BITMAP_HEADWORDS(nbits); i++) {
+ if (bitmap[i].w != 0)
+ return false;
+ }
+ if (BITMAP_HASTAIL(nbits) && (BITMAP_TAIL(bitmap, nbits) != 0))
+ return false;
+
+ return true;
+}
+
+unsigned long bitmap_ffs(const bitmap *bitmap,
+ unsigned long n, unsigned long m);
+
+/*
+ * Allocation functions
+ */
+static inline bitmap *bitmap_alloc(unsigned long nbits)
+{
+ return malloc(bitmap_sizeof(nbits));
+}
+
+static inline bitmap *bitmap_alloc0(unsigned long nbits)
+{
+ bitmap *bitmap;
+
+ bitmap = bitmap_alloc(nbits);
+ if (bitmap)
+ bitmap_zero(bitmap, nbits);
+ return bitmap;
+}
+
+static inline bitmap *bitmap_alloc1(unsigned long nbits)
+{
+ bitmap *bitmap;
+
+ bitmap = bitmap_alloc(nbits);
+ if (bitmap)
+ bitmap_fill(bitmap, nbits);
+ return bitmap;
+}
+
+static inline bitmap *bitmap_realloc0(bitmap *bitmap,
+ unsigned long obits, unsigned long nbits)
+{
+ bitmap = realloc(bitmap, bitmap_sizeof(nbits));
+
+ if ((nbits > obits) && bitmap)
+ bitmap_zero_range(bitmap, obits, nbits);
+
+ return bitmap;
+}
+
+static inline bitmap *bitmap_realloc1(bitmap *bitmap,
+ unsigned long obits, unsigned long nbits)
+{
+ bitmap = realloc(bitmap, bitmap_sizeof(nbits));
+
+ if ((nbits > obits) && bitmap)
+ bitmap_fill_range(bitmap, obits, nbits);
+
+ return bitmap;
+}
+
+#endif /* CCAN_BITMAP_H_ */
diff --git a/ccan/endian.h b/ccan/endian.h
new file mode 100644
index 0000000..6732e8a
--- /dev/null
+++ b/ccan/endian.h
@@ -0,0 +1,355 @@
+/* CC0 (Public domain) - see LICENSE file for details */
+#ifndef CCAN_ENDIAN_H
+#define CCAN_ENDIAN_H
+#include <stdint.h>
+#include "config.h"
+
+/**
+ * BSWAP_16 - reverse bytes in a constant uint16_t value.
+ * @val: constant value whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_16(0x1234)];
+ * };
+ */
+#define BSWAP_16(val) \
+ ((((uint16_t)(val) & 0x00ff) << 8) \
+ | (((uint16_t)(val) & 0xff00) >> 8))
+
+/**
+ * BSWAP_32 - reverse bytes in a constant uint32_t value.
+ * @val: constant value whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_32(0xff000000)];
+ * };
+ */
+#define BSWAP_32(val) \
+ ((((uint32_t)(val) & 0x000000ff) << 24) \
+ | (((uint32_t)(val) & 0x0000ff00) << 8) \
+ | (((uint32_t)(val) & 0x00ff0000) >> 8) \
+ | (((uint32_t)(val) & 0xff000000) >> 24))
+
+/**
+ * BSWAP_64 - reverse bytes in a constant uint64_t value.
+ * @val: constantvalue whose bytes to swap.
+ *
+ * Designed to be usable in constant-requiring initializers.
+ *
+ * Example:
+ * struct mystruct {
+ * char buf[BSWAP_64(0xff00000000000000ULL)];
+ * };
+ */
+#define BSWAP_64(val) \
+ ((((uint64_t)(val) & 0x00000000000000ffULL) << 56) \
+ | (((uint64_t)(val) & 0x000000000000ff00ULL) << 40) \
+ | (((uint64_t)(val) & 0x0000000000ff0000ULL) << 24) \
+ | (((uint64_t)(val) & 0x00000000ff000000ULL) << 8) \
+ | (((uint64_t)(val) & 0x000000ff00000000ULL) >> 8) \
+ | (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24) \
+ | (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40) \
+ | (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
+
+#if HAVE_BYTESWAP_H
+#include <byteswap.h>
+#else
+/**
+ * bswap_16 - reverse bytes in a uint16_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 4 as two bytes reversed"
+ * printf("1024 is %u as two bytes reversed\n", bswap_16(1024));
+ */
+static inline uint16_t bswap_16(uint16_t val)
+{
+ return BSWAP_16(val);
+}
+
+/**
+ * bswap_32 - reverse bytes in a uint32_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 262144 as four bytes reversed"
+ * printf("1024 is %u as four bytes reversed\n", bswap_32(1024));
+ */
+static inline uint32_t bswap_32(uint32_t val)
+{
+ return BSWAP_32(val);
+}
+#endif /* !HAVE_BYTESWAP_H */
+
+#if !HAVE_BSWAP_64
+/**
+ * bswap_64 - reverse bytes in a uint64_t value.
+ * @val: value whose bytes to swap.
+ *
+ * Example:
+ * // Output contains "1024 is 1125899906842624 as eight bytes reversed"
+ * printf("1024 is %llu as eight bytes reversed\n",
+ * (unsigned long long)bswap_64(1024));
+ */
+static inline uint64_t bswap_64(uint64_t val)
+{
+ return BSWAP_64(val);
+}
+#endif
+
+/* Needed for Glibc like endiness check */
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+
+/* Sanity check the defines. We don't handle weird endianness. */
+#if !HAVE_LITTLE_ENDIAN && !HAVE_BIG_ENDIAN
+#error "Unknown endian"
+#elif HAVE_LITTLE_ENDIAN && HAVE_BIG_ENDIAN
+#error "Can't compile for both big and little endian."
+#elif HAVE_LITTLE_ENDIAN
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#elif HAVE_BIG_ENDIAN
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+
+#ifdef __CHECKER__
+/* sparse needs forcing to remove bitwise attribute from ccan/short_types */
+#define ENDIAN_CAST __attribute__((force))
+#define ENDIAN_TYPE __attribute__((bitwise))
+#else
+#define ENDIAN_CAST
+#define ENDIAN_TYPE
+#endif
+
+typedef uint64_t ENDIAN_TYPE leint64_t;
+typedef uint64_t ENDIAN_TYPE beint64_t;
+typedef uint32_t ENDIAN_TYPE leint32_t;
+typedef uint32_t ENDIAN_TYPE beint32_t;
+typedef uint16_t ENDIAN_TYPE leint16_t;
+typedef uint16_t ENDIAN_TYPE beint16_t;
+
+#if HAVE_LITTLE_ENDIAN
+/**
+ * CPU_TO_LE64 - convert a constant uint64_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE64(native) ((ENDIAN_CAST leint64_t)(native))
+
+/**
+ * CPU_TO_LE32 - convert a constant uint32_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE32(native) ((ENDIAN_CAST leint32_t)(native))
+
+/**
+ * CPU_TO_LE16 - convert a constant uint16_t value to little-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_LE16(native) ((ENDIAN_CAST leint16_t)(native))
+
+/**
+ * LE64_TO_CPU - convert a little-endian uint64_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE64_TO_CPU(le_val) ((ENDIAN_CAST uint64_t)(le_val))
+
+/**
+ * LE32_TO_CPU - convert a little-endian uint32_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE32_TO_CPU(le_val) ((ENDIAN_CAST uint32_t)(le_val))
+
+/**
+ * LE16_TO_CPU - convert a little-endian uint16_t constant
+ * @le_val: little-endian constant to convert
+ */
+#define LE16_TO_CPU(le_val) ((ENDIAN_CAST uint16_t)(le_val))
+
+#else /* ... HAVE_BIG_ENDIAN */
+#define CPU_TO_LE64(native) ((ENDIAN_CAST leint64_t)BSWAP_64(native))
+#define CPU_TO_LE32(native) ((ENDIAN_CAST leint32_t)BSWAP_32(native))
+#define CPU_TO_LE16(native) ((ENDIAN_CAST leint16_t)BSWAP_16(native))
+#define LE64_TO_CPU(le_val) BSWAP_64((ENDIAN_CAST uint64_t)le_val)
+#define LE32_TO_CPU(le_val) BSWAP_32((ENDIAN_CAST uint32_t)le_val)
+#define LE16_TO_CPU(le_val) BSWAP_16((ENDIAN_CAST uint16_t)le_val)
+#endif /* HAVE_BIG_ENDIAN */
+
+#if HAVE_BIG_ENDIAN
+/**
+ * CPU_TO_BE64 - convert a constant uint64_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE64(native) ((ENDIAN_CAST beint64_t)(native))
+
+/**
+ * CPU_TO_BE32 - convert a constant uint32_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE32(native) ((ENDIAN_CAST beint32_t)(native))
+
+/**
+ * CPU_TO_BE16 - convert a constant uint16_t value to big-endian
+ * @native: constant to convert
+ */
+#define CPU_TO_BE16(native) ((ENDIAN_CAST beint16_t)(native))
+
+/**
+ * BE64_TO_CPU - convert a big-endian uint64_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE64_TO_CPU(le_val) ((ENDIAN_CAST uint64_t)(le_val))
+
+/**
+ * BE32_TO_CPU - convert a big-endian uint32_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE32_TO_CPU(le_val) ((ENDIAN_CAST uint32_t)(le_val))
+
+/**
+ * BE16_TO_CPU - convert a big-endian uint16_t constant
+ * @le_val: big-endian constant to convert
+ */
+#define BE16_TO_CPU(le_val) ((ENDIAN_CAST uint16_t)(le_val))
+
+#else /* ... HAVE_LITTLE_ENDIAN */
+#define CPU_TO_BE64(native) ((ENDIAN_CAST beint64_t)BSWAP_64(native))
+#define CPU_TO_BE32(native) ((ENDIAN_CAST beint32_t)BSWAP_32(native))
+#define CPU_TO_BE16(native) ((ENDIAN_CAST beint16_t)BSWAP_16(native))
+#define BE64_TO_CPU(le_val) BSWAP_64((ENDIAN_CAST uint64_t)le_val)
+#define BE32_TO_CPU(le_val) BSWAP_32((ENDIAN_CAST uint32_t)le_val)
+#define BE16_TO_CPU(le_val) BSWAP_16((ENDIAN_CAST uint16_t)le_val)
+#endif /* HAVE_LITTE_ENDIAN */
+
+
+/**
+ * cpu_to_le64 - convert a uint64_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint64_t cpu_to_le64(uint64_t native)
+{
+ return CPU_TO_LE64(native);
+}
+
+/**
+ * cpu_to_le32 - convert a uint32_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint32_t cpu_to_le32(uint32_t native)
+{
+ return CPU_TO_LE32(native);
+}
+
+/**
+ * cpu_to_le16 - convert a uint16_t value to little-endian
+ * @native: value to convert
+ */
+static inline leint16_t cpu_to_le16(uint16_t native)
+{
+ return CPU_TO_LE16(native);
+}
+
+/**
+ * le64_to_cpu - convert a little-endian uint64_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint64_t le64_to_cpu(leint64_t le_val)
+{
+ return LE64_TO_CPU(le_val);
+}
+
+/**
+ * le32_to_cpu - convert a little-endian uint32_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint32_t le32_to_cpu(leint32_t le_val)
+{
+ return LE32_TO_CPU(le_val);
+}
+
+/**
+ * le16_to_cpu - convert a little-endian uint16_t value
+ * @le_val: little-endian value to convert
+ */
+static inline uint16_t le16_to_cpu(leint16_t le_val)
+{
+ return LE16_TO_CPU(le_val);
+}
+
+/**
+ * cpu_to_be64 - convert a uint64_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint64_t cpu_to_be64(uint64_t native)
+{
+ return CPU_TO_BE64(native);
+}
+
+/**
+ * cpu_to_be32 - convert a uint32_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint32_t cpu_to_be32(uint32_t native)
+{
+ return CPU_TO_BE32(native);
+}
+
+/**
+ * cpu_to_be16 - convert a uint16_t value to big endian.
+ * @native: value to convert
+ */
+static inline beint16_t cpu_to_be16(uint16_t native)
+{
+ return CPU_TO_BE16(native);
+}
+
+/**
+ * be64_to_cpu - convert a big-endian uint64_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint64_t be64_to_cpu(beint64_t be_val)
+{
+ return BE64_TO_CPU(be_val);
+}
+
+/**
+ * be32_to_cpu - convert a big-endian uint32_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint32_t be32_to_cpu(beint32_t be_val)
+{
+ return BE32_TO_CPU(be_val);
+}
+
+/**
+ * be16_to_cpu - convert a big-endian uint16_t value
+ * @be_val: big-endian value to convert
+ */
+static inline uint16_t be16_to_cpu(beint16_t be_val)
+{
+ return BE16_TO_CPU(be_val);
+}
+
+/* Whichever they include first, they get these definitions. */
+#ifdef CCAN_SHORT_TYPES_H
+/**
+ * be64/be32/be16 - 64/32/16 bit big-endian representation.
+ */
+typedef beint64_t be64;
+typedef beint32_t be32;
+typedef beint16_t be16;
+
+/**
+ * le64/le32/le16 - 64/32/16 bit little-endian representation.
+ */
+typedef leint64_t le64;
+typedef leint32_t le32;
+typedef leint16_t le16;
+#endif
+#endif /* CCAN_ENDIAN_H */
--
1.9.1
--
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