(x) == pWARN_NONE)
/* if PL_warnhook is set to this value, then warnings die */
-#define PERL_WARNHOOK_FATAL (((SV*)0) + 1)
+#define PERL_WARNHOOK_FATAL (&PL_sv_placeholder)
/* Warnings Categories added in Perl 5.008 */
#define isWARNf_on(c,x) (IsSet((U8 *)(c + 1), 2*(x)+1))
#define DUP_WARNINGS(p) \
- (STRLEN*)(specialWARN(p) ? (p) \
- : CopyD(p, PerlMemShared_malloc(sizeof(*p)+*p), sizeof(*p)+*p, char))
+ (specialWARN(p) ? (STRLEN*)(p) \
+ : (STRLEN*)CopyD(p, PerlMemShared_malloc(sizeof(*p)+*p), sizeof(*p)+*p, \
+ char))
#define ckWARN(w) Perl_ckwarn(aTHX_ packWARN(w))
#define ckWARN2(w1,w2) Perl_ckwarn(aTHX_ packWARN2(w1,w2))