diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-10-17 08:50:01 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-10-17 08:50:01 +0000 |
| commit | 1efb3c31b731e99627bbc0da13dfd3463bb67c67 (patch) | |
| tree | f6258144a4e2509c34fac5fcda8291547951b4dc /regint.h | |
| parent | 0f67a3bb3171c98770c7a5de8559636d2551a3b8 (diff) | |
| download | ruby-1efb3c31b731e99627bbc0da13dfd3463bb67c67.tar.gz | |
* Avoid undefined behaviors found by gcc -fsanitize=undefined.
gcc (Debian 4.9.1-16) 4.9.1
* include/ruby/ruby.h (INT2FIX): Avoid undefined behavior.
* node.h (nd_set_line): Ditto.
* pack.c (encodes): Ditto.
(pack_unpack): Ditto.
* regint.h (BIT_STATUS_AT): Ditto.
(BS_BIT): Ditto.
* time.c (time_mdump): Ditto.
(time_mload): Ditto.
* vm_core.h (VM_FRAME_MAGIC_MASK): Ditto.
* vm_trace.c (recalc_add_ruby_vm_event_flags): Ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'regint.h')
| -rw-r--r-- | regint.h | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -392,7 +392,7 @@ typedef unsigned int BitStatusType; #define BIT_STATUS_CLEAR(stats) (stats) = 0 #define BIT_STATUS_ON_ALL(stats) (stats) = ~((BitStatusType )0) #define BIT_STATUS_AT(stats,n) \ - ((n) < (int )BIT_STATUS_BITS_NUM ? ((stats) & (1 << n)) : ((stats) & 1)) + ((n) < (int )BIT_STATUS_BITS_NUM ? ((stats) & ((BitStatusType)1 << n)) : ((stats) & 1)) #define BIT_STATUS_ON_AT(stats,n) do {\ if ((n) < (int )BIT_STATUS_BITS_NUM) \ @@ -468,7 +468,7 @@ typedef Bits* BitSetRef; } while (0) #define BS_ROOM(bs,pos) (bs)[(int )(pos) / BITS_IN_ROOM] -#define BS_BIT(pos) (1 << ((int )(pos) % BITS_IN_ROOM)) +#define BS_BIT(pos) (1U << ((int )(pos) % BITS_IN_ROOM)) #define BITSET_AT(bs, pos) (BS_ROOM(bs,pos) & BS_BIT(pos)) #define BITSET_SET_BIT(bs, pos) BS_ROOM(bs,pos) |= BS_BIT(pos) |