X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=handy.h;h=2f76f0afc3e2d59dd0fdac15a76deaa3a5a86bf6;hb=2dd6f5a35a53bce8ba17b896d0b97a638e612121;hp=353060aba39f0883d3e3964b3ade73a6da1dfed0;hpb=568a785aea241a073c29598a27f44ca0be3e7591;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/handy.h b/handy.h
index 353060a..2f76f0a 100644
--- a/handy.h
+++ b/handy.h
@@ -175,7 +175,7 @@ typedef U64TYPE U64;
 #endif
 
 /* HMB H.Merijn Brand - a placeholder for preparing Configure patches */
-#if defined(HAS_MALLOC_SIZE) && defined(LOCALTIME_R_NEEDS_TZSET) && defined(HAS_DIR_DD_FD) && defined(HAS_PSEUDOFORK)
+#if defined(HAS_MALLOC_SIZE) && defined(LOCALTIME_R_NEEDS_TZSET) && defined(HAS_PSEUDOFORK)
 /* Not (yet) used at top level, but mention them for metaconfig */
 #endif
 
@@ -685,16 +685,18 @@ PoisonWith(0xEF) for catching access to freed memory.
 #define NEWSV(x,len)	newSV(len)
 #endif
 
+#define MEM_SIZE_MAX ((MEM_SIZE)~0)
+
 /* The +0.0 in MEM_WRAP_CHECK_ is an attempt to foil
  * overly eager compilers that will bleat about e.g.
  * (U16)n > (size_t)~0/sizeof(U16) always being false. */
 #ifdef PERL_MALLOC_WRAP
 #define MEM_WRAP_CHECK(n,t) MEM_WRAP_CHECK_1(n,t,PL_memory_wrap)
 #define MEM_WRAP_CHECK_1(n,t,a) \
-	(void)(sizeof(t) > 1 && ((MEM_SIZE)(n)+0.0) > ((MEM_SIZE)~0)/sizeof(t) && (Perl_croak_nocontext(a),0))
+	(void)(sizeof(t) > 1 && ((MEM_SIZE)(n)+0.0) > MEM_SIZE_MAX/sizeof(t) && (Perl_croak_nocontext(a),0))
 #define MEM_WRAP_CHECK_(n,t) MEM_WRAP_CHECK(n,t),
 
-#define PERL_STRLEN_ROUNDUP(n) ((void)(((n) > (MEM_SIZE)~0 - 2 * PERL_STRLEN_ROUNDUP_QUANTUM) ? (Perl_croak_nocontext(PL_memory_wrap),0):0),((n-1+PERL_STRLEN_ROUNDUP_QUANTUM)&~((MEM_SIZE)PERL_STRLEN_ROUNDUP_QUANTUM-1)))
+#define PERL_STRLEN_ROUNDUP(n) ((void)(((n) > MEM_SIZE_MAX - 2 * PERL_STRLEN_ROUNDUP_QUANTUM) ? (Perl_croak_nocontext(PL_memory_wrap),0):0),((n-1+PERL_STRLEN_ROUNDUP_QUANTUM)&~((MEM_SIZE)PERL_STRLEN_ROUNDUP_QUANTUM-1)))
 
 #else