diff options
Diffstat (limited to 'perl.h')
-rw-r--r-- | perl.h | 17 |
1 files changed, 10 insertions, 7 deletions
@@ -1269,19 +1269,22 @@ EXTERN_C char *crypt(const char *, const char *); #define ERRSV GvSVn(PL_errgv) +/* contains inlined gv_add_by_type */ #define CLEAR_ERRSV() STMT_START { \ - if (!GvSV(PL_errgv)) { \ - sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \ - } else if (SvREADONLY(GvSV(PL_errgv))) { \ - SvREFCNT_dec(GvSV(PL_errgv)); \ - GvSV(PL_errgv) = newSVpvs(""); \ + SV ** const svp = &GvSV(PL_errgv); \ + if (!*svp) { \ + goto clresv_newemptypv; \ + } else if (SvREADONLY(*svp)) { \ + SvREFCNT_dec_NN(*svp); \ + clresv_newemptypv: \ + *svp = newSVpvs(""); \ } else { \ - SV *const errsv = GvSV(PL_errgv); \ + SV *const errsv = *svp; \ sv_setpvs(errsv, ""); \ + SvPOK_only(errsv); \ if (SvMAGICAL(errsv)) { \ mg_free(errsv); \ } \ - SvPOK_only(errsv); \ } \ } STMT_END |