[win32] merge changes#922,944,949,965,970 from maintbranch

[p5sagit/p5-mst-13.2.git] / sv.c

diff --git a/sv.c b/sv.c
index 1abc3fd..8310047 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -400,6 +400,10 @@ sv_free_arenas(void)
            Safefree((void *)sva);
     }
 
+    if (nice_chunk)
+       Safefree(nice_chunk);
+    nice_chunk = Nullch;
+    nice_chunk_size = 0;
     sv_arenaroot = 0;
     sv_root = 0;
 }
@@ -1902,8 +1906,11 @@ sv_setsv(SV *dstr, register SV *sstr)
 
     switch (stype) {
     case SVt_NULL:
-       (void)SvOK_off(dstr);
-       return;
+       if (dtype != SVt_PVGV) {
+           (void)SvOK_off(dstr);
+           return;
+       }
+       break;
     case SVt_IV:
        if (dtype != SVt_IV && dtype < SVt_PVIV) {
            if (dtype < SVt_IV)
@@ -2205,7 +2212,12 @@ sv_setsv(SV *dstr, register SV *sstr)
        SvIVX(dstr) = SvIVX(sstr);
     }
     else {
-       (void)SvOK_off(dstr);
+       if (dtype == SVt_PVGV) {
+           if (dowarn)
+               warn("Undefined value assigned to typeglob");
+       }
+       else
+           (void)SvOK_off(dstr);
     }
     SvTAINT(dstr);
 }
@@ -2417,11 +2429,7 @@ sv_catpv_mg(register SV *sv, register char *ptr)
 }
 
 SV *
-#ifdef LEAKTEST
-newSV(I32 x, STRLEN len)
-#else
 newSV(STRLEN len)
-#endif
 {
     register SV *sv;
     
@@ -2630,10 +2638,17 @@ sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen)
     register char *midend;
     register char *bigend;
     register I32 i;
+    STRLEN curlen;
+    
 
     if (!bigstr)
        croak("Can't modify non-existent substring");
-    SvPV_force(bigstr, na);
+    SvPV_force(bigstr, curlen);
+    if (offset + len > curlen) {
+       SvGROW(bigstr, offset+len+1);
+       Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char);
+       SvCUR_set(bigstr, offset+len);
+    }
 
     i = littlelen - len;
     if (i > 0) {                       /* string might grow */
@@ -3695,7 +3710,7 @@ sv_reset(register char *s, HV *stash)
 
     if (!*s) {         /* reset ?? searches */
        for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
-           pm->op_pmflags &= ~PMf_USED;
+           pm->op_pmdynflags &= ~PMdf_USED;
        }
        return;
     }
@@ -4115,6 +4130,10 @@ sv_unglob(SV *sv)
     SvFAKE_off(sv);
     if (GvGP(sv))
        gp_free((GV*)sv);
+    if (GvSTASH(sv)) {
+       SvREFCNT_dec(GvSTASH(sv));
+       GvSTASH(sv) = Nullhv;
+    }
     sv_unmagic(sv, '*');
     Safefree(GvNAME(sv));
     GvMULTI_off(sv);