/* gcc -Wall:
* for silencing unused variables that are actually used most of the time,
- * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
+ * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
*/
-#define PERL_UNUSED_VAR(var) ((void)var)
+#ifndef PERL_UNUSED_ARG
+# ifdef lint
+# include <note.h>
+# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
+# else
+# 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
*/
#if !(defined(STMT_START) && defined(STMT_END))
# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
-# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
+# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
# define STMT_END )
# else
/* Now which other defined()s do we need here ??? */
#define MEM_SIZE Size_t
+/* Round all values passed to malloc up, by default to a multiple of
+ sizeof(size_t)
+*/
+#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
+#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
+#endif
+
#if defined(STANDARD_C) && defined(I_STDDEF)
# include <stddef.h>
# define STRUCT_OFFSET(s,m) offsetof(s,m)
# define PTR2ul(p) INT2PTR(unsigned long,p)
#endif
+/* According to strict ANSI C89 one cannot freely cast between
+ * data pointers and function (code) pointers. There are at least
+ * two ways around this. One (used below) is to do two casts,
+ * first the other pointer to an (unsigned) integer, and then
+ * the integer to the other pointer. The other way would be
+ * to use unions to "overlay" the pointers. For an example of
+ * the latter technique, see union dirpu in struct xpvio in sv.h.
+ * The only feasible use is probably temporarily storing
+ * function pointers in a data pointer (such as a void 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
# define LONG_DOUBLE_EQUALS_DOUBLE
typedef struct block BLOCK;
typedef struct magic MAGIC;
-typedef struct xrv XRV;
typedef struct xpv XPV;
typedef struct xpviv XPVIV;
typedef struct xpvuv XPVUV;
# 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++
# 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)))
typedef I32 CHECKPOINT;
+/* Keep next first in this structure, because sv_free_arenas take
+ advantage of this to share code between the pte arenas and the SV
+ body arenas */
struct ptr_tbl_ent {
struct ptr_tbl_ent* next;
- void* oldval;
+ const void* oldval;
void* newval;
};
want_vtbl_regdatum,
want_vtbl_backref,
want_vtbl_utf8,
- want_vtbl_symtab
+ want_vtbl_symtab,
+ want_vtbl_arylen_p
};
/* Note: the lowest 8 bits are reserved for
);
MGVTBL_SET(
+ PL_vtbl_arylen_p,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ MEMBER_TO_FPTR(Perl_magic_freearylen_p),
+ NULL,
+ NULL
+);
+
+MGVTBL_SET(
PL_vtbl_glob,
MEMBER_TO_FPTR(Perl_magic_getglob),
MEMBER_TO_FPTR(Perl_magic_setglob),
https://perl5.git.perl.org / perl5.git / blobdiff