libkmod-util: copy macros for unaligned access from BlueZ

diff --git a/libkmod/libkmod-util.h b/libkmod/libkmod-util.h
index 163b187..ffe7c43 100644 (file)
--- a/libkmod/libkmod-util.h
+++ b/libkmod/libkmod-util.h
@@ -25,4 +25,20 @@ char *modname_normalize(const char *modname, char buf[PATH_MAX], size_t *len) __
 char *path_to_modname(const char *path, char buf[PATH_MAX], size_t *len) __attribute__((nonnull(2)));
 unsigned long long stat_mstamp(const struct stat *st);
 
+#define get_unaligned(ptr)                     \
+({                                             \
+       struct __attribute__((packed)) {        \
+               typeof(*(ptr)) __v;             \
+       } *__p = (typeof(__p)) (ptr);           \
+       __p->__v;                               \
+})
+
+#define bt_put_unaligned(val, ptr)             \
+do {                                           \
+       struct __attribute__((packed)) {        \
+               typeof(*(ptr)) __v;             \
+       } *__p = (typeof(__p)) (ptr);           \
+       __p->__v = (val);                       \
+} while(0)
+
 #endif