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In Perl_sv_usepvn_flags(), with MYMALLOC, use the actual malloc()ed
[perl5.git] / sv.h
diff --git a/sv.h b/sv.h
index 9ab1c94..fc67ed9 100644 (file)
--- a/sv.h
+++ b/sv.h
@@ -117,10 +117,10 @@ struct STRUCT_SV {                /* struct sv { */
     _SV_HEAD(void*);
     _SV_HEAD_UNION;
 #ifdef DEBUG_LEAKING_SCALARS
-    unsigned   sv_debug_optype:9;      /* the type of OP that allocated us */
-    unsigned   sv_debug_inpad:1;       /* was allocated in a pad for an OP */
-    unsigned   sv_debug_cloned:1;      /* was cloned for an ithread */
-    unsigned   sv_debug_line:16;       /* the line where we were allocated */
+    PERL_BITFIELD32 sv_debug_optype:9; /* the type of OP that allocated us */
+    PERL_BITFIELD32 sv_debug_inpad:1;  /* was allocated in a pad for an OP */
+    PERL_BITFIELD32 sv_debug_cloned:1; /* was cloned for an ithread */
+    PERL_BITFIELD32 sv_debug_line:16;  /* the line where we were allocated */
     char *     sv_debug_file;          /* the file where we were allocated */
 #endif
 };
@@ -221,7 +221,7 @@ perform the upgrade if necessary.  See C<svtype>.
 #define SvFLAGS(sv)    (sv)->sv_flags
 #define SvREFCNT(sv)   (sv)->sv_refcnt
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
+#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
 #  define SvREFCNT_inc(sv)             \
     ({                                 \
        SV * const _sv = (SV*)(sv);     \
@@ -264,7 +264,7 @@ perform the upgrade if necessary.  See C<svtype>.
 #define SvREFCNT_inc_void_NN(sv)       (void)(++SvREFCNT((SV*)(sv)))
 #define SvREFCNT_inc_simple_void_NN(sv)        (void)(++SvREFCNT((SV*)(sv)))
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
+#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
 #  define SvREFCNT_dec(sv)             \
     ({                                 \
        SV * const _sv = (SV*)(sv);     \
@@ -532,38 +532,48 @@ typedef struct {
     IV         xfm_lines;
 } xpvfm_allocated;
 
+#define _XPVIO_TAIL                                                    \
+    PerlIO *   xio_ifp;        /* ifp and ofp are normally the same */ \
+    PerlIO *   xio_ofp;        /* but sockets need separate streams */ \
+    /* Cray addresses everything by word boundaries (64 bits) and      \
+     * code and data pointers cannot be mixed (which is exactly what   \
+     * Perl_filter_add() tries to do with the dirp), hence the         \
+     *  following union trick (as suggested by Gurusamy Sarathy).      \
+     * For further information see Geir Johansen's problem report      \
+     * titled [ID 20000612.002] Perl problem on Cray system            \
+     * The any pointer (known as IoANY()) will also be a good place    \
+     * to hang any IO disciplines to.                                  \
+     */                                                                        \
+    union {                                                            \
+       DIR *   xiou_dirp;      /* for opendir, readdir, etc */         \
+       void *  xiou_any;       /* for alignment */                     \
+    } xio_dirpu;                                                       \
+    IV         xio_lines;      /* $. */                                \
+    IV         xio_page;       /* $% */                                \
+    IV         xio_page_len;   /* $= */                                \
+    IV         xio_lines_left; /* $- */                                \
+    char *     xio_top_name;   /* $^ */                                \
+    GV *       xio_top_gv;     /* $^ */                                \
+    char *     xio_fmt_name;   /* $~ */                                \
+    GV *       xio_fmt_gv;     /* $~ */                                \
+    char *     xio_bottom_name;/* $^B */                               \
+    GV *       xio_bottom_gv;  /* $^B */                               \
+    char       xio_type;                                               \
+    U8         xio_flags
+
+
 struct xpvio {
     _XPV_HEAD;
     _XPVMG_HEAD;
-
-    PerlIO *   xio_ifp;        /* ifp and ofp are normally the same */
-    PerlIO *   xio_ofp;        /* but sockets need separate streams */
-    /* Cray addresses everything by word boundaries (64 bits) and
-     * code and data pointers cannot be mixed (which is exactly what
-     * Perl_filter_add() tries to do with the dirp), hence the following
-     * union trick (as suggested by Gurusamy Sarathy).
-     * For further information see Geir Johansen's problem report titled
-       [ID 20000612.002] Perl problem on Cray system
-     * The any pointer (known as IoANY()) will also be a good place
-     * to hang any IO disciplines to.
-     */
-    union {
-       DIR *   xiou_dirp;      /* for opendir, readdir, etc */
-       void *  xiou_any;       /* for alignment */
-    } xio_dirpu;
-    IV         xio_lines;      /* $. */
-    IV         xio_page;       /* $% */
-    IV         xio_page_len;   /* $= */
-    IV         xio_lines_left; /* $- */
-    char *     xio_top_name;   /* $^ */
-    GV *       xio_top_gv;     /* $^ */
-    char *     xio_fmt_name;   /* $~ */
-    GV *       xio_fmt_gv;     /* $~ */
-    char *     xio_bottom_name;/* $^B */
-    GV *       xio_bottom_gv;  /* $^B */
-    char       xio_type;
-    U8         xio_flags;
+    _XPVIO_TAIL;
 };
+
+typedef struct {
+    _XPV_ALLOCATED_HEAD;
+    _XPVMG_HEAD;
+    _XPVIO_TAIL;
+} xpvio_allocated;
+
 #define xio_dirp       xio_dirpu.xiou_dirp
 #define xio_any                xio_dirpu.xiou_any
 
@@ -1103,6 +1113,7 @@ the scalar's value cannot change unless written to.
            assert(SvTYPE(_svi) != SVt_PVHV);                           \
            assert(SvTYPE(_svi) != SVt_PVCV);                           \
            assert(SvTYPE(_svi) != SVt_PVFM);                           \
+           assert(SvTYPE(_svi) != SVt_PVIO);                           \
            assert(!isGV_with_GP(_svi));                                \
           &(((XPVNV*) SvANY(_svi))->xnv_u.xnv_nv);                     \
         }))
@@ -1177,6 +1188,7 @@ the scalar's value cannot change unless written to.
        STMT_START { assert(SvTYPE(sv) == SVt_NV || SvTYPE(sv) >= SVt_PVNV); \
            assert(SvTYPE(sv) != SVt_PVAV); assert(SvTYPE(sv) != SVt_PVHV); \
            assert(SvTYPE(sv) != SVt_PVCV); assert(SvTYPE(sv) != SVt_PVFM); \
+               assert(SvTYPE(sv) != SVt_PVIO);         \
                assert(!isGV_with_GP(sv));              \
                (((XPVNV*)SvANY(sv))->xnv_u.xnv_nv = (val)); } STMT_END
 #define SvPV_set(sv, val) \