Explain an apparent bug reported by

[p5sagit/p5-mst-13.2.git] / perl.h

diff --git a/perl.h b/perl.h
index 7009f16..85a50a4 100644 (file)
--- a/perl.h
+++ b/perl.h
@@ -62,7 +62,7 @@
 #ifdef PERL_IMPLICIT_CONTEXT
 #  ifdef USE_5005THREADS
 struct perl_thread;
-#    define pTHX       register struct perl_thread *thr
+#    define pTHX       register struct perl_thread *thr PERL_UNUSED_DECL
 #    define aTHX       thr
 #    define dTHR       dNOOP /* only backward compatibility */
 #    define dTHXa(a)   pTHX = (struct perl_thread*)a
@@ -70,7 +70,7 @@ struct perl_thread;
 #    ifndef MULTIPLICITY
 #      define MULTIPLICITY
 #    endif
-#    define pTHX       register PerlInterpreter *my_perl
+#    define pTHX       register PerlInterpreter *my_perl PERL_UNUSED_DECL
 #    define aTHX       my_perl
 #    define dTHXa(a)   pTHX = (PerlInterpreter*)a
 #  endif
@@ -2020,6 +2020,14 @@ typedef pthread_key_t    perl_key;
 #  endif
 #endif
 
+#ifndef Nullformat
+#  ifdef CHECK_FORMAT
+#    define Nullformat "%s",""
+#  else
+#    define Nullformat Nullch
+#  endif
+#endif
+
 /* Some unistd.h's give a prototype for pause() even though
    HAS_PAUSE ends up undefined.  This causes the #define
    below to be rejected by the compiler.  Sigh.
@@ -3059,7 +3067,7 @@ enum {            /* pass one of these to get_vtbl */
 #define HINT_FILETEST_ACCESS   0x00400000
 #define HINT_UTF8              0x00800000
 
-/* Various states of an input record separator SV (rs, nrs) */
+/* Various states of the input record separator SV (rs) */
 #define RsSNARF(sv)   (! SvOK(sv))
 #define RsSIMPLE(sv)  (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
 #define RsPARA(sv)    (SvPOK(sv) && ! SvCUR(sv))
@@ -3850,6 +3858,12 @@ int flock(int fd, int op);
 
 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
 
+/* Input flags: */
+#define PERL_SCAN_ALLOW_UNDERSCORES   0x01 /* grok_??? accept _ in numbers */
+#define PERL_SCAN_DISALLOW_PREFIX     0x02 /* grok_??? reject 0x in hex etc */
+/* Output flags: */
+#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
+
 /* to let user control profiling */
 #ifdef PERL_GPROF_CONTROL
 extern void moncontrol(int);