diff options
Diffstat (limited to 'sv.h')
| -rw-r--r-- | sv.h | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -462,6 +462,8 @@ perform the upgrade if necessary. See C<L</svtype>>. /* Some private flags. */ +/* scalar SVs with SVp_POK */ +#define SVppv_STATIC 0x40000000 /* PV is pointer to static const; must be set with SVf_IsCOW */ /* PVAV */ #define SVpav_REAL 0x40000000 /* free old entries */ /* PVHV */ @@ -2008,10 +2010,11 @@ scalar. ) \ ) -#define SvIsCOW(sv) (SvFLAGS(sv) & SVf_IsCOW) -#define SvIsCOW_on(sv) (SvFLAGS(sv) |= SVf_IsCOW) -#define SvIsCOW_off(sv) (SvFLAGS(sv) &= ~SVf_IsCOW) -#define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0) +#define SvIsCOW(sv) (SvFLAGS(sv) & SVf_IsCOW) +#define SvIsCOW_on(sv) (SvFLAGS(sv) |= SVf_IsCOW) +#define SvIsCOW_off(sv) (SvFLAGS(sv) &= ~(SVf_IsCOW|SVppv_STATIC)) +#define SvIsCOW_shared_hash(sv) ((SvFLAGS(sv) & (SVf_IsCOW|SVppv_STATIC)) == (SVf_IsCOW) && SvLEN(sv) == 0) +#define SvIsCOW_static(sv) ((SvFLAGS(sv) & (SVf_IsCOW|SVppv_STATIC)) == (SVf_IsCOW|SVppv_STATIC)) #define SvSHARED_HEK_FROM_PV(pvx) \ ((struct hek*)(pvx - STRUCT_OFFSET(struct hek, hek_key))) |