}
if (load && PL_subname && PL_def_layerlist
&& PL_def_layerlist->cur >= 2) {
- SV *pkgsv = newSVpvn("PerlIO", 6);
- SV *layer = newSVpvn(name, len);
- ENTER;
- /*
- * The two SVs are magically freed by load_module
- */
- Perl_load_module(aTHX_ 0, pkgsv, Nullsv, layer, Nullsv);
- LEAVE;
- return PerlIO_find_layer(aTHX_ name, len, 0);
+ if (PL_in_load_module) {
+ Perl_croak(aTHX_ "Recursive call to Perl_load_module in PerlIO_find_layer");
+ return NULL;
+ } else {
+ SV *pkgsv = newSVpvn("PerlIO", 6);
+ SV *layer = newSVpvn(name, len);
+ ENTER;
+ SAVEINT(PL_in_load_module);
+ PL_in_load_module++;
+ /*
+ * The two SVs are magically freed by load_module
+ */
+ Perl_load_module(aTHX_ 0, pkgsv, Nullsv, layer, Nullsv);
+ PL_in_load_module--;
+ LEAVE;
+ return PerlIO_find_layer(aTHX_ name, len, 0);
+ }
}
PerlIO_debug("Cannot find %.*s\n", (int) len, name);
return NULL;
b->ptr++; /* say we have read it as far as
* flush() is concerned */
b->buf++; /* Leave space in front of buffer */
+ /* Note as we have moved buf up flush's
+ posn += ptr-buf
+ will naturally make posn point at CR
+ */
b->bufsiz--; /* Buffer is thus smaller */
code = PerlIO_fill(f); /* Fetch some more */
b->bufsiz++; /* Restore size for next time */
b->buf--; /* Point at space */
b->ptr = nl = b->buf; /* Which is what we hand
* off */
- b->posn--; /* Buffer starts here */
*nl = 0xd; /* Fill in the CR */
if (code == 0)
goto test; /* fill() call worked */