fix(crypto): fix undefined behaviour of IS_ALIGNED_64 macro

3 years ago · f96e737ef5
parent fb88db41a0
commit f96e737ef5
1 changed files with 1 additions and 1 deletions
--- a/crypto/sha3.c
+++ b/crypto/sha3.c
@ -27,7 +27,7 @@
 #define I64(x) x##LL
 #define ROTL64(qword, n) ((qword) << (n) ^ ((qword) >> (64 - (n))))
 #define le2me_64(x) (x)
-#define IS_ALIGNED_64(p) (0 == (7 & ((const char*)(p) - (const char*)0)))
+#define IS_ALIGNED_64(p) (0 == (((uintptr_t)(const void *)(p) & 0x7)))
 # define me64_to_le_str(to, from, length) memcpy((to), (from), (length))

 /* constants */