X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=Magic.xs;h=814a6af19004a662f7e2906ebfaecf5d4af3c9cb;hb=077519905e1c99ca8cf60cca6825fddce7696dff;hp=e9d9debe0c20c2d17b671d64682ef46be9d52aac;hpb=da95f9db8211008bbb415d2de11e3616daf4017e;p=perl%2Fmodules%2FVariable-Magic.git

diff --git a/Magic.xs b/Magic.xs
index e9d9deb..814a6af 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -229,8 +229,10 @@ STATIC const char *const vmg_opclassnames[] = {
 };
 
 STATIC opclass vmg_opclass(const OP *o) {
+#if 0
  if (!o)
   return OPc_NULL;
+#endif
 
  if (o->op_type == 0)
   return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
@@ -335,8 +337,7 @@ STATIC U16 vmg_gensig(pTHX) {
  char buf[8];
  dMY_CXT;
 
- if (HvKEYS(MY_CXT.wizards) >= SIG_NBR)
-  croak(vmg_toomanysigs);
+ if (HvKEYS(MY_CXT.wizards) >= SIG_NBR) croak(vmg_toomanysigs);
 
  do {
   sig = SIG_NBR * Drand01() + SIG_MIN;
@@ -1088,7 +1089,6 @@ STATIC U16 vmg_sv2sig(pTHX_ SV *sv) {
 
 STATIC U16 vmg_wizard_sig(pTHX_ SV *wiz) {
 #define vmg_wizard_sig(W) vmg_wizard_sig(aTHX_ (W))
- char buf[8];
  U16 sig;
 
  if (SvROK(wiz)) {
@@ -1101,7 +1101,9 @@ STATIC U16 vmg_wizard_sig(pTHX_ SV *wiz) {
 
  {
   dMY_CXT;
-  if (!hv_exists(MY_CXT.wizards, buf, sprintf(buf, "%u", sig)))
+  char buf[8];
+  SV **old = hv_fetch(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), 0);
+  if (!(old && SV2MGWIZ(*old)))
    croak(vmg_invalid_wiz);
  }
 
@@ -1110,8 +1112,6 @@ STATIC U16 vmg_wizard_sig(pTHX_ SV *wiz) {
 
 STATIC SV *vmg_wizard_wiz(pTHX_ SV *wiz) {
 #define vmg_wizard_wiz(W) vmg_wizard_wiz(aTHX_ (W))
- char buf[8];
- SV **old;
  U16 sig;
 
  if (SvROK(wiz)) {
@@ -1129,8 +1129,12 @@ STATIC SV *vmg_wizard_wiz(pTHX_ SV *wiz) {
 
  {
   dMY_CXT;
-  return (old = hv_fetch(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), 0))
-          ? *old : NULL;
+  char buf[8];
+  SV **old = hv_fetch(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), 0);
+  if (!(old && SV2MGWIZ(*old)))
+   croak(vmg_invalid_wiz);
+
+  return *old;
  }
 }
 
@@ -1255,13 +1259,16 @@ CODE:
    STRLEN len;
    char *sig = HePV(key, len);
    SV *sv;
-   const MGWIZ *w;
-   MAGIC *mg;
-   w  = SV2MGWIZ(HeVAL(key));
-   w  = vmg_wizard_clone(w);
-   sv = MGWIZ2SV(w);
-   mg = sv_magicext(sv, NULL, PERL_MAGIC_ext, &vmg_wizard_vtbl, NULL, 0);
-   mg->mg_private = SIG_WZO;
+   const MGWIZ *w = SV2MGWIZ(HeVAL(key));
+   if (w) {
+    MAGIC *mg;
+    w  = vmg_wizard_clone(w);
+    sv = MGWIZ2SV(w);
+    mg = sv_magicext(sv, NULL, PERL_MAGIC_ext, &vmg_wizard_vtbl, NULL, 0);
+    mg->mg_private = SIG_WZO;
+   } else {
+    sv = MGWIZ2SV(NULL);
+   }
    SvREADONLY_on(sv);
    if (!hv_store(hv, sig, len, sv, HeHASH(key))) croak("%s during CLONE", vmg_globstorefail);
   }
@@ -1315,7 +1322,8 @@ CODE:
  if (SvOK(svsig)) {
   SV **old;
   sig = vmg_sv2sig(svsig);
-  if ((old = hv_fetch(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), 0))) {
+  old = hv_fetch(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), 0);
+  if (old && SV2MGWIZ(*old)) {
    ST(0) = sv_2mortal(newRV_inc(*old));
    XSRETURN(1);
   }
@@ -1378,8 +1386,14 @@ OUTPUT:
 
 SV *gensig()
 PROTOTYPE:
+PREINIT:
+ U16 sig;
+ char buf[8];
 CODE:
- RETVAL = newSVuv(vmg_gensig());
+ dMY_CXT;
+ sig = vmg_gensig();
+ if (!hv_store(MY_CXT.wizards, buf, sprintf(buf, "%u", sig), MGWIZ2SV(NULL), 0)) croak(vmg_globstorefail);
+ RETVAL = newSVuv(sig);
 OUTPUT:
  RETVAL
 
@@ -1398,8 +1412,6 @@ PREINIT:
  SV *ret;
 CODE:
  wiz = vmg_wizard_wiz(wiz);
- if (!wiz)
-  XSRETURN_UNDEF;
  if (items > 2) {
   I32 i;
   args = newAV();