[PATCH] volatile, avoid clobbered

Not sure if this is the right way to go, but the addition of a couple 

of "VOL" removes the "may be clobbered" warnings (with gcc and g++).  



Robin Barker



diff -ur ../perl-current/op.c ./op.c

--- ../perl-current/op.c	2008-01-11 17:04:39.000000000 +0000

+++ ./op.

@@ -2343,7 +2343,7 @@

 Perl_fold_constants(pTHX_ register OP *o)

 {

     dVAR;

-    register OP *curop;

+    VOL register OP *curop;

     OP *newop;

     VOL I32 type = o->op_type;

     SV * VOL sv = NULL;

@@ -2408,7 +2408,7 @@

     curop = LINKLIST(o);

     old_next = o->op_next;

     o->op_next = 0;

-    PL_op = curop;

+    PL_op = (OP *)curop;

 

     oldscope = PL_scopestack_ix;

     create_eval_scope(G_FAKINGEVAL);

Only in ../perl-current: .patch

diff -ur ../perl-current/perl.c ./perl.c

--- ../perl-current/perl.c	2008-01-21 13:09:37.000000000 +0000

+++ ./perl.c	

@@ -2560,7 +2560,7 @@

 */

 

 I32

-Perl_call_sv(pTHX_ SV *sv, I32 flags)

+Perl_call_sv(pTHX_ SV *sv, VOL I32 flags)

           		/* See G_* flags in cop.h */

 {

     dVAR; dSP;

diff -ur ../perl-current/perl.h ./perl.h

--- ../perl-current/perl.h	2008-01-18 14:28:02.000000000 +0000

+++ ./perl.h	

@@ -524,11 +524,7 @@

 #endif

 

 #if defined(HASVOLATILE) || defined(STANDARD_C)

-#   ifdef __cplusplus

-#	define VOL		/* to temporarily suppress warnings */

-#   else

 #	define VOL volatile

-#   endif

 #else

 #   define VOL

 #endif

End of patch

 <<volatile.patch>> 



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• [PATCH] volatile, avoid clobbered by Robin Barker