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-rw-r--r--compat/bswap.h60
1 files changed, 46 insertions, 14 deletions
diff --git a/compat/bswap.h b/compat/bswap.h
index d47c003544..5078ce5ecc 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -158,23 +158,55 @@ static inline uint64_t git_bswap64(uint64_t x)
#define get_be16(p) ntohs(*(unsigned short *)(p))
#define get_be32(p) ntohl(*(unsigned int *)(p))
+#define get_be64(p) ntohll(*(uint64_t *)(p))
#define put_be32(p, v) do { *(unsigned int *)(p) = htonl(v); } while (0)
+#define put_be64(p, v) do { *(uint64_t *)(p) = htonll(v); } while (0)
#else
-#define get_be16(p) ( \
- (*((unsigned char *)(p) + 0) << 8) | \
- (*((unsigned char *)(p) + 1) << 0) )
-#define get_be32(p) ( \
- (*((unsigned char *)(p) + 0) << 24) | \
- (*((unsigned char *)(p) + 1) << 16) | \
- (*((unsigned char *)(p) + 2) << 8) | \
- (*((unsigned char *)(p) + 3) << 0) )
-#define put_be32(p, v) do { \
- unsigned int __v = (v); \
- *((unsigned char *)(p) + 0) = __v >> 24; \
- *((unsigned char *)(p) + 1) = __v >> 16; \
- *((unsigned char *)(p) + 2) = __v >> 8; \
- *((unsigned char *)(p) + 3) = __v >> 0; } while (0)
+static inline uint16_t get_be16(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint16_t)p[0] << 8 |
+ (uint16_t)p[1] << 0;
+}
+
+static inline uint32_t get_be32(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint32_t)p[0] << 24 |
+ (uint32_t)p[1] << 16 |
+ (uint32_t)p[2] << 8 |
+ (uint32_t)p[3] << 0;
+}
+
+static inline uint64_t get_be64(const void *ptr)
+{
+ const unsigned char *p = ptr;
+ return (uint64_t)get_be32(&p[0]) << 32 |
+ (uint64_t)get_be32(&p[4]) << 0;
+}
+
+static inline void put_be32(void *ptr, uint32_t value)
+{
+ unsigned char *p = ptr;
+ p[0] = value >> 24;
+ p[1] = value >> 16;
+ p[2] = value >> 8;
+ p[3] = value >> 0;
+}
+
+static inline void put_be64(void *ptr, uint64_t value)
+{
+ unsigned char *p = ptr;
+ p[0] = value >> 56;
+ p[1] = value >> 48;
+ p[2] = value >> 40;
+ p[3] = value >> 32;
+ p[4] = value >> 24;
+ p[5] = value >> 16;
+ p[6] = value >> 8;
+ p[7] = value >> 0;
+}
#endif