Few more IDE/editor nits from p5p.

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

diff --git a/mg.c b/mg.c
index 0ac0742..3a61655 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1,6 +1,6 @@
 /*    mg.c
  *
- *    Copyright (c) 1991-2000, Larry Wall
+ *    Copyright (c) 1991-2001, 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.
@@ -261,6 +261,8 @@ MAGIC*
 Perl_mg_find(pTHX_ SV *sv, int type)
 {
     MAGIC* mg;
+    if (!sv)
+        return 0;
     for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
        if (mg->mg_type == type)
            return mg;
@@ -311,11 +313,12 @@ Perl_mg_free(pTHX_ SV *sv)
        moremagic = mg->mg_moremagic;
        if (vtbl && vtbl->svt_free)
            CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
-       if (mg->mg_ptr && mg->mg_type != 'g')
+       if (mg->mg_ptr && mg->mg_type != 'g') {
            if (mg->mg_len >= 0)
                Safefree(mg->mg_ptr);
            else if (mg->mg_len == HEf_SVKEY)
                SvREFCNT_dec((SV*)mg->mg_ptr);
+       }
        if (mg->mg_flags & MGf_REFCOUNTED)
            SvREFCNT_dec(mg->mg_obj);
        Safefree(mg);
@@ -324,6 +327,7 @@ Perl_mg_free(pTHX_ SV *sv)
     return 0;
 }
 
+
 #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
 #include <signal.h>
 #endif
@@ -364,6 +368,11 @@ Perl_magic_regdatum_get(pTHX_ SV *sv, MAGIC *mg)
                    i = t;
                else                    /* @- */
                    i = s;
+               
+               if (i > 0 && DO_UTF8(PL_reg_sv)) {
+                   char *b = rx->subbeg;
+                   i = Perl_utf8_length(aTHX_ (U8*)b, (U8*)(b+i));
+               }
                sv_setiv(sv,i);
            }
     }
@@ -922,6 +931,7 @@ Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg)
     }
     FreeEnvironmentStrings(envv);
 #      else
+#ifdef USE_ENVIRON_ARRAY
 #          ifndef PERL_USE_SAFE_PUTENV
     I32 i;
 
@@ -934,6 +944,7 @@ Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg)
 
     environ[0] = Nullch;
 
+#endif /* USE_ENVIRON_ARRAY */
 #      endif /* WIN32 */
 #   endif /* PERL_IMPLICIT_SYS */
 #endif /* VMS */
@@ -1408,7 +1419,14 @@ Perl_magic_setsubstr(pTHX_ SV *sv, MAGIC *mg)
 {
     STRLEN len;
     char *tmps = SvPV(sv,len);
-    sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len);
+    if (DO_UTF8(sv)) {
+       sv_utf8_upgrade(LvTARG(sv));
+       sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len);
+       SvUTF8_on(LvTARG(sv));
+    }
+    else
+        sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len);
+
     return 0;
 }