Re-introduce the changes from change 68 (runops becomes a

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

diff --git a/mg.c b/mg.c
index 1355740..b931065 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -454,11 +454,14 @@ MAGIC *mg;
 #endif
        break;
     case '?':
-       sv_setiv(sv, (IV)STATUS_CURRENT);
+       {
+           dTHR;
+           sv_setiv(sv, (IV)STATUS_CURRENT);
 #ifdef COMPLEX_STATUS
-       LvTARGOFF(sv) = statusvalue;
-       LvTARGLEN(sv) = statusvalue_vms;
+           LvTARGOFF(sv) = statusvalue;
+           LvTARGLEN(sv) = statusvalue_vms;
 #endif
+       }
        break;
     case '^':
        s = IoTOP_NAME(GvIOp(defoutgv));
@@ -491,7 +494,7 @@ MAGIC *mg;
     case '/':
        break;
     case '[':
-       sv_setiv(sv, (IV)curcop->cop_arybase);
+       WITH_THR(sv_setiv(sv, (IV)curcop->cop_arybase));
        break;
     case '|':
        sv_setiv(sv, (IV)(IoFLAGS(GvIOp(defoutgv)) & IOf_FLUSH) != 0 );
@@ -531,27 +534,20 @@ MAGIC *mg;
        break;
     case '(':
        sv_setiv(sv, (IV)gid);
-       s = buf;
-       (void)sprintf(s,"%d",(int)gid);
+       sv_setpvf(sv, "%Vd", (IV)gid);
        goto add_groups;
     case ')':
        sv_setiv(sv, (IV)egid);
-       s = buf;
-       (void)sprintf(s,"%d",(int)egid);
+       sv_setpvf(sv, "%Vd", (IV)egid);
       add_groups:
-       while (*s) s++;
 #ifdef HAS_GETGROUPS
        {
            Groups_t gary[NGROUPS];
-
            i = getgroups(NGROUPS,gary);
-           while (--i >= 0) {
-               (void)sprintf(s," %d", (int)gary[i]);
-               while (*s) s++;
-           }
+           while (--i >= 0)
+               sv_catpvf(sv, " %Vd", (IV)gary[i]);
        }
 #endif
-       sv_setpv(sv,buf);
        SvIOK_on(sv);   /* what a wonderful hack! */
        break;
     case '*':
@@ -634,9 +630,11 @@ MAGIC* mg;
 
            while (s < strend) {
                struct stat st;
-               s = cpytill(tokenbuf, s, strend, ':', &i);
+               s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf,
+                            s, strend, ':', &i);
                s++;
-               if (*tokenbuf != '/'
+               if (i >= sizeof tokenbuf   /* too long -- assume the worst */
+                     || *tokenbuf != '/'
                      || (Stat(tokenbuf, &st) == 0 && (st.st_mode & 2)) ) {
                    MgTAINTEDDIR_on(mg);
                    return 0;
@@ -670,6 +668,7 @@ MAGIC* mg;
        if(psig_ptr[i])
            sv_setsv(sv,psig_ptr[i]);
        else {
+           dTHR;               /* just for SvREFCNT_inc */
            Sighandler_t sigstate = rsignal_state(i);
 
            /* cache state so we don't fetch it again */
@@ -709,6 +708,7 @@ magic_setsig(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     register char *s;
     I32 i;
     SV** svp;
@@ -769,10 +769,8 @@ MAGIC* mg;
         * access to a known hint bit in a known OP, we can't
         * tell whether HINT_STRICT_REFS is in force or not.
         */
-       if (!strchr(s,':') && !strchr(s,'\'')) {
-           sprintf(tokenbuf, "main::%s",s);
-           sv_setpv(sv,tokenbuf);
-       }
+       if (!strchr(s,':') && !strchr(s,'\''))
+           sv_setpv(sv, form("main::%s", s));
        if (i)
            (void)rsignal(i, sighandler);
        else
@@ -822,6 +820,7 @@ SV* sv;
 MAGIC* mg;
 char *meth;
 {
+    dTHR;
     dSP;
 
     ENTER;
@@ -863,6 +862,7 @@ magic_setpack(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     dSP;
 
     PUSHMARK(sp);
@@ -896,6 +896,7 @@ int magic_wipepack(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     dSP;
 
     PUSHMARK(sp);
@@ -913,6 +914,7 @@ SV* sv;
 MAGIC* mg;
 SV* key;
 {
+    dTHR;
     dSP;
     char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
 
@@ -946,6 +948,7 @@ magic_setdbline(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     OP *o;
     I32 i;
     GV* gv;
@@ -967,6 +970,7 @@ magic_getarylen(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + curcop->cop_arybase);
     return 0;
 }
@@ -976,6 +980,7 @@ magic_setarylen(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     av_fill((AV*)mg->mg_obj, SvIV(sv) - curcop->cop_arybase);
     return 0;
 }
@@ -990,6 +995,7 @@ MAGIC* mg;
     if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) {
        mg = mg_find(lsv, 'g');
        if (mg && mg->mg_len >= 0) {
+           dTHR;
            sv_setiv(sv, mg->mg_len + curcop->cop_arybase);
            return 0;
        }
@@ -1023,7 +1029,7 @@ MAGIC* mg;
     }
     len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv);
 
-    pos = SvIV(sv) - curcop->cop_arybase;
+    WITH_THR(pos = SvIV(sv) - curcop->cop_arybase);
     if (pos < 0) {
        pos += len;
        if (pos < 0)
@@ -1100,6 +1106,7 @@ magic_settaint(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     if (localizing) {
        if (localizing == 1)
            mg->mg_len <<= 1;
@@ -1141,6 +1148,7 @@ MAGIC* mg;
                targ = AvARRAY(av)[LvTARGOFF(sv)];
        }
        if (targ && targ != &sv_undef) {
+           dTHR;               /* just for SvREFCNT_dec */
            /* somebody else defined it for us */
            SvREFCNT_dec(LvTARG(sv));
            LvTARG(sv) = SvREFCNT_inc(targ);
@@ -1183,6 +1191,7 @@ void
 vivify_defelem(sv)
 SV* sv;
 {
+    dTHR;                      /* just for SvREFCNT_inc and SvREFCNT_dec*/
     MAGIC* mg;
     SV* value;
 
@@ -1279,6 +1288,7 @@ magic_set(sv,mg)
 SV* sv;
 MAGIC* mg;
 {
+    dTHR;
     register char *s;
     I32 i;
     STRLEN len;
@@ -1612,6 +1622,23 @@ MAGIC* mg;
     return 0;
 }
 
+#ifdef USE_THREADS
+int
+magic_mutexfree(sv, mg)
+SV *sv;
+MAGIC *mg;
+{
+    dTHR;
+    DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: magic_mutexfree 0x%lx\n",
+                         (unsigned long)thr, (unsigned long)sv);)
+    if (MgOWNER(mg))
+       croak("panic: magic_mutexfree");
+    MUTEX_DESTROY(MgMUTEXP(mg));
+    COND_DESTROY(MgCONDP(mg));
+    return 0;
+}
+#endif /* USE_THREADS */
+
 I32
 whichsig(sig)
 char *sig;
@@ -1636,6 +1663,7 @@ Signal_t
 sighandler(sig)
 int sig;
 {
+    dTHR;
     dSP;
     GV *gv;
     HV *st;