add workaround for dlopen() bug on OpenBSD (relative paths that

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

diff --git a/pp.c b/pp.c
index f404883..7fc6b1a 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -247,7 +247,7 @@ PP(pp_rv2gv)
                        STRLEN len;
                        SV *namesv = PL_curpad[cUNOP->op_targ];
                        name = SvPV(namesv, len);
-                       gv = (GV*)NEWSV(0,len);
+                       gv = (GV*)NEWSV(0,0);
                        gv_init(gv, CopSTASH(PL_curcop), name, len, 0);
                    }
                    else {
@@ -2021,7 +2021,9 @@ PP(pp_substr)
            sv_pos_u2b(sv, &pos, &rem);
        tmps += pos;
        sv_setpvn(TARG, tmps, rem);
-       if (lvalue) {                   /* it's an lvalue! */
+       if (repl)
+           sv_insert(sv, pos, rem, repl, repl_len);
+       else if (lvalue) {              /* it's an lvalue! */
            if (!SvGMAGICAL(sv)) {
                if (SvROK(sv)) {
                    STRLEN n_a;
@@ -2050,8 +2052,6 @@ PP(pp_substr)
            LvTARGOFF(TARG) = pos;
            LvTARGLEN(TARG) = rem;
        }
-       else if (repl)
-           sv_insert(sv, pos, rem, repl, repl_len);
     }
     SPAGAIN;
     PUSHs(TARG);               /* avoid SvSETMAGIC here */
@@ -2261,7 +2261,7 @@ PP(pp_ucfirst)
        
        tend = uv_to_utf8(tmpbuf, uv);
 
-       if (!SvPADTMP(sv) || tend - tmpbuf != ulen) {
+       if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) {
            dTARGET;
            sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
            sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
@@ -2273,7 +2273,7 @@ PP(pp_ucfirst)
        }
     }
     else {
-       if (!SvPADTMP(sv)) {
+       if (!SvPADTMP(sv) || SvREADONLY(sv)) {
            dTARGET;
            sv_setsv(TARG, sv);
            sv = TARG;
@@ -2318,7 +2318,7 @@ PP(pp_lcfirst)
        
        tend = uv_to_utf8(tmpbuf, uv);
 
-       if (!SvPADTMP(sv) || tend - tmpbuf != ulen) {
+       if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) {
            dTARGET;
            sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
            sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
@@ -2330,7 +2330,7 @@ PP(pp_lcfirst)
        }
     }
     else {
-       if (!SvPADTMP(sv)) {
+       if (!SvPADTMP(sv) || SvREADONLY(sv)) {
            dTARGET;
            sv_setsv(TARG, sv);
            sv = TARG;
@@ -2397,7 +2397,7 @@ PP(pp_uc)
        }
     }
     else {
-       if (!SvPADTMP(sv)) {
+       if (!SvPADTMP(sv) || SvREADONLY(sv)) {
            dTARGET;
            sv_setsv(TARG, sv);
            sv = TARG;
@@ -2468,7 +2468,7 @@ PP(pp_lc)
        }
     }
     else {
-       if (!SvPADTMP(sv)) {
+       if (!SvPADTMP(sv) || SvREADONLY(sv)) {
            dTARGET;
            sv_setsv(TARG, sv);
            sv = TARG;
@@ -4852,9 +4852,13 @@ PP(pp_pack)
                     * of pack() (and all copies of the result) are
                     * gone.
                     */
-                   if (ckWARN(WARN_UNSAFE) && (SvTEMP(fromstr) || SvPADTMP(fromstr)))
+                   if (ckWARN(WARN_UNSAFE) && (SvTEMP(fromstr)
+                                               || (SvPADTMP(fromstr)
+                                                   && !SvREADONLY(fromstr))))
+                   {
                        Perl_warner(aTHX_ WARN_UNSAFE,
                                "Attempt to pack pointer to temporary value");
+                   }
                    if (SvPOK(fromstr) || SvNIOK(fromstr))
                        aptr = SvPV(fromstr,n_a);
                    else