diff options
| -rw-r--r-- | server/util/nss_sha512crypt.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/server/util/nss_sha512crypt.c b/server/util/nss_sha512crypt.c index 47f676d5..8ba16d4a 100644 --- a/server/util/nss_sha512crypt.c +++ b/server/util/nss_sha512crypt.c @@ -92,6 +92,7 @@ static inline void b64_from_24bit(char **dest, size_t *len, size_t n, *dest += i; } +#define PTR_2_INT(x) ((x) - ((__typeof__ (x)) NULL)) #define ALIGN64 __alignof__(uint64_t) static int sha512_crypt_r(const char *key, @@ -142,14 +143,14 @@ static int sha512_crypt_r(const char *key, salt_len = MIN(strcspn(salt, "$"), SALT_LEN_MAX); key_len = strlen(key); - if ((((uint64_t)key) % ALIGN64) != 0) { + if ((PTR_2_INT(key) % ALIGN64) != 0) { tmp = (char *)alloca(key_len + ALIGN64); - key = copied_key = memcpy(tmp + ALIGN64 - (((uint64_t)tmp) % ALIGN64), key, key_len); + key = copied_key = memcpy(tmp + ALIGN64 - PTR_2_INT(tmp) % ALIGN64, key, key_len); } - if (((uint64_t)salt) % ALIGN64 != 0) { + if (PTR_2_INT(salt) % ALIGN64 != 0) { tmp = (char *)alloca(salt_len + ALIGN64); - salt = copied_salt = memcpy(tmp + ALIGN64 - ((uint64_t)tmp) % ALIGN64, salt, salt_len); + salt = copied_salt = memcpy(tmp + ALIGN64 - PTR_2_INT(tmp) % ALIGN64, salt, salt_len); } if (!nspr_nss_init_done) { |