Add RB_ID_SERIAL_MAX

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Nobuyoshi Nakada 2019-04-25 13:22:06 +09:00
parent 99084f5401
commit d0ba4abf1a
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1 changed files with 4 additions and 0 deletions

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@ -53,6 +53,10 @@ id_type(ID id)
}
typedef uint32_t rb_id_serial_t;
static const uint32_t RB_ID_SERIAL_MAX = /* 256M on LP32 */
UINT32_MAX >>
((sizeof(ID)-sizeof(rb_id_serial_t))*CHAR_BIT < RUBY_ID_SCOPE_SHIFT ?
RUBY_ID_SCOPE_SHIFT : 0);
typedef struct {
rb_id_serial_t last_id;