/* sv.h
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (c) 1991-2003, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
SVp_IOK|SVp_NOK|SVf_IVisUV))
#ifdef __GNUC__
-#define assert_not_ROK(sv) ({assert(!SvROK(sv) || !SvRV(sv))})
+#define assert_not_ROK(sv) ({assert(!SvROK(sv) || !SvRV(sv))}),
#else
-#define assert_not_ROK(sv) 0
+#define assert_not_ROK(sv)
#endif
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
-#define SvOK_off(sv) (assert_not_ROK(sv), \
+#define SvOK_off(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_IVisUV|SVf_UTF8), \
SvOOK_off(sv))
-#define SvOK_off_exc_UV(sv) (assert_not_ROK(sv), \
+#define SvOK_off_exc_UV(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_UTF8), \
SvOOK_off(sv))
#define SvNOKp(sv) (SvFLAGS(sv) & SVp_NOK)
#define SvNOKp_on(sv) (SvFLAGS(sv) |= SVp_NOK)
#define SvPOKp(sv) (SvFLAGS(sv) & SVp_POK)
-#define SvPOKp_on(sv) (assert_not_ROK(sv), \
+#define SvPOKp_on(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) |= SVp_POK)
#define SvIOK(sv) (SvFLAGS(sv) & SVf_IOK)
#define SvUTF8_off(sv) (SvFLAGS(sv) &= ~(SVf_UTF8))
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
-#define SvPOK_on(sv) (assert_not_ROK(sv), \
+#define SvPOK_on(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
-#define SvPOK_only(sv) (assert_not_ROK(sv), \
+#define SvPOK_only(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_IVisUV|SVf_UTF8), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
-#define SvPOK_only_UTF8(sv) (assert_not_ROK(sv), \
+#define SvPOK_only_UTF8(sv) (assert_not_ROK(sv) \
SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC| \
SVf_IVisUV), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
# define SvRELEASE_IVX(sv) ((void)((SvFLAGS(sv) & (SVf_OOK|SVf_READONLY|SVf_FAKE)) \
&& Perl_sv_release_IVX(aTHX_ sv)))
# define SvIsCOW_normal(sv) (SvIsCOW(sv) && SvLEN(sv))
+
+#define CAN_COW_MASK (SVs_OBJECT|SVs_GMG|SVs_SMG|SVs_RMG|SVf_IOK|SVf_NOK| \
+ SVf_POK|SVf_ROK|SVp_IOK|SVp_NOK|SVp_POK|SVf_FAKE| \
+ SVf_OOK|SVf_BREAK|SVf_READONLY|SVf_AMAGIC)
+#define CAN_COW_FLAGS (SVp_POK|SVf_POK)
+
#else
# define SvRELEASE_IVX(sv) ((void)SvOOK_off(sv))
#endif /* PERL_COPY_ON_WRITE */
#define sv_pvn_force(sv, lp) sv_pvn_force_flags(sv, lp, SV_GMAGIC)
#define sv_utf8_upgrade(sv) sv_utf8_upgrade_flags(sv, SV_GMAGIC)
+/* Should be named SvCatPVN_utf8_upgrade? */
+#define sv_catpvn_utf8_upgrade(dsv, sstr, slen, nsv) \
+ STMT_START { \
+ if (!(nsv)) \
+ nsv = sv_2mortal(newSVpvn(sstr, slen)); \
+ else \
+ sv_setpvn(nsv, sstr, slen); \
+ SvUTF8_off(nsv); \
+ sv_utf8_upgrade(nsv); \
+ sv_catsv(dsv, nsv); \
+ } STMT_END
/*
=for apidoc Am|SV*|newRV_inc|SV* sv
#define SvSetMagicSV_nosteal(dst,src) \
SvSetSV_nosteal_and(dst,src,SvSETMAGIC(dst))
+
#if !defined(SKIP_DEBUGGING)
#define SvPEEK(sv) sv_peek(sv)
#else