X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/6f51351dc430b1cdbea64b49a24a0fc68a028a36..644838b906239fcab75e1867c94bef47bac45e81:/perl.h

diff --git a/perl.h b/perl.h
index 136d472..1335096 100644
--- a/perl.h
+++ b/perl.h
@@ -210,16 +210,17 @@
  * for silencing unused variables that are actually used most of the time,
  * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
  */
-#define PERL_UNUSED_VAR(var) ((void)var)
-
-#ifndef LINT_UNUSED_ARG
+#ifndef PERL_UNUSED_ARG
 #  ifdef lint
 #    include <note.h>
-#    define LINT_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
+#    define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
 #  else
-#    define LINT_UNUSED_ARG(x)
+#    define PERL_UNUSED_ARG(x) ((void)x)
 #  endif
 #endif
+#ifndef PERL_UNUSED_VAR
+#  define PERL_UNUSED_VAR(x) ((void)x)
+#endif
 
 #define NOOP (void)0
 #define dNOOP extern int Perl___notused PERL_UNUSED_DECL
@@ -1514,8 +1515,8 @@ typedef UVTYPE UV;
  * The only feasible use is probably temporarily storing
  * function pointers in a data pointer (such as a void pointer). */
 
-#define DPTR2FPTR(t,p) ((t)PTR2UV(p)) /* data pointer to function pointer */
-#define FPTR2DPTR(t,p) ((t)PTR2UV(p)) /* function pointer to data pointer */
+#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
+#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
 
 #ifdef USE_LONG_DOUBLE
 #  if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
@@ -2385,6 +2386,41 @@ typedef struct clone_params CLONE_PARAMS;
 #  endif
 #endif
 
+/* In case Configure was not used (we are using a "canned config"
+ * such as Win32, or a cross-compilation setup, for example) try going
+ * by the gcc major and minor versions.  One useful URL is
+ * http://www.ohse.de/uwe/articles/gcc-attributes.html,
+ * but contrary to this information warn_unused_result seems
+ * not to be in gcc 3.3.5, at least. --jhi
+ * Set these up now otherwise we get confused when some of the <*thread.h>
+ * includes below indirectly pull in <perlio.h> (which needs to know if we
+ * have HASATTRIBUTE_FORMAT).
+ */
+
+#if defined __GNUC__
+#  if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
+#    define HASATTRIBUTE_FORMAT
+#  endif
+#  if __GNUC__ >= 3 /* 3.0 -> */
+#    define HASATTRIBUTE_MALLOC
+#  endif
+#  if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
+#    define HASATTRIBUTE_NONNULL
+#  endif
+#  if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
+#    define HASATTRIBUTE_NORETURN
+#  endif
+#  if __GNUC__ >= 3 /* gcc 3.0 -> */
+#    define HASATTRIBUTE_PURE
+#  endif
+#  if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
+#    define HASATTRIBUTE_UNUSED
+#  endif
+#  if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
+#    define HASATTRIBUTE_WARN_UNUSED_RESULT
+#  endif
+#endif
+
 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
  * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
  * this results in many functions being undeclared which bothers C++
@@ -2601,42 +2637,11 @@ typedef pthread_key_t	perl_key;
 #  define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
 #endif
 
-/* In case Configure was not used (we are using a "canned config"
- * such as Win32, or a cross-compilation setup, for example) try going
- * by the gcc major and minor versions.  One useful URL is
- * http://www.ohse.de/uwe/articles/gcc-attributes.html,
- * but contrary to this information warn_unused_result seems
- * not to be in gcc 3.3.5, at least. --jhi */
-#if defined __GNUC__
-#  if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
-#    define HASATTRIBUTE_FORMAT
-#  endif
-#  if __GNUC__ >= 3 /* 3.0 -> */
-#    define HASATTRIBUTE_MALLOC
-#  endif
-#  if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
-#    define HASATTRIBUTE_NONNULL
-#  endif
-#  if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
-#    define HASATTRIBUTE_NORETURN
-#  endif
-#  if __GNUC__ >= 3 /* gcc 3.0 -> */
-#    define HASATTRIBUTE_PURE
-#  endif
-#  if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
-#    define HASATTRIBUTE_UNUSED
-#  endif
-#  if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
-#    define HASATTRIBUTE_WARN_UNUSED_RESULT
-#  endif
-#endif
-
-
 #ifdef HASATTRIBUTE_FORMAT
 #  define __attribute__format__(x,y,z)      __attribute__((format(x,y,z)))
 #endif
 #ifdef HASATTRIBUTE_MALLOC
-#  define __attribute__malloc__             __attribute__((malloc))
+#  define __attribute__malloc__             __attribute__((__malloc__))
 #endif
 #ifdef HASATTRIBUTE_NONNULL
 #  define __attribute__nonnull__(a)         __attribute__((nonnull(a)))
@@ -2825,7 +2830,7 @@ typedef I32 CHECKPOINT;
    body arenas  */
 struct ptr_tbl_ent {
     struct ptr_tbl_ent*		next;
-    void*			oldval;
+    const void*			oldval;
     void*			newval;
 };