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sv.h: SvPVx now equivalent to SvPV, et.al #22960

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Merged
merged 1 commit into from
Apr 27, 2025
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sv.h: SvPVx now equivalent to SvPV, et.al #22960

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35 changes: 12 additions & 23 deletions sv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2074,29 +2074,18 @@ END_EXTERN_C
#define SvUVx(sv) SvUV(sv)
#define SvNVx(sv) SvNV(sv)

#if defined(PERL_USE_GCC_BRACE_GROUPS)

# define SvPVx(sv, len) ({SV *_sv = (sv); SvPV(_sv, len); })
# define SvPVx_const(sv, len) ({SV *_sv = (sv); SvPV_const(_sv, len); })
# define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); })
# define SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); })
# define SvPVutf8x(sv, len) ({SV *_sv = (sv); SvPVutf8(_sv, len); })
# define SvPVbytex(sv, len) ({SV *_sv = (sv); SvPVbyte(_sv, len); })
# define SvPVbytex_nolen(sv) ({SV *_sv = (sv); SvPVbyte_nolen(_sv); })

#else /* __GNUC__ */

/* These inlined macros use globals, which will require a thread
* declaration in user code, so we avoid them under threads */

# define SvPVx(sv, len) ((PL_Sv = (sv)), SvPV(PL_Sv, len))
# define SvPVx_const(sv, len) ((PL_Sv = (sv)), SvPV_const(PL_Sv, len))
# define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv))
# define SvPVx_nolen_const(sv) ((PL_Sv = (sv)), SvPV_nolen_const(PL_Sv))
# define SvPVutf8x(sv, len) ((PL_Sv = (sv)), SvPVutf8(PL_Sv, len))
# define SvPVbytex(sv, len) ((PL_Sv = (sv)), SvPVbyte(PL_Sv, len))
# define SvPVbytex_nolen(sv) ((PL_Sv = (sv)), SvPVbyte_nolen(PL_Sv))
#endif /* __GNU__ */
/* The following macro expansions evaluate their arguments just once. In
* earlier perl releases, the global variable PL_Sv was used as an intermediate
* in order to prevent multiple evaluations. The implementation changed in
* commit 1ef9039bccbfe64f47f201b6cfb7d6d23e0b08a7 to use inline functions
* instead. */
#define SvPVx(sv, len) SvPV(sv, len)
#define SvPVx_const(sv, len) SvPV_const(sv, len)
#define SvPVx_nolen(sv) SvPV_nolen(sv)
#define SvPVx_nolen_const(sv) SvPV_nolen_const(sv)
#define SvPVutf8x(sv, len) SvPVutf8(sv, len)
#define SvPVbytex(sv, len) SvPVbyte(sv, len)
#define SvPVbytex_nolen(sv) SvPVbyte_nolen(sv)

#define SvIsCOW(sv) (SvFLAGS(sv) & SVf_IsCOW)
#define SvIsCOW_on(sv) (SvFLAGS(sv) |= SVf_IsCOW)
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