/* now even GCC supports __declspec() */
/* miniperl has no reason to export anything */
-#if defined(PERL_IS_MINIPERL) && !defined(UNDER_CE) && defined(_MSC_VER)
+#if defined(PERL_IS_MINIPERL) && !defined(UNDER_CE)
# define DllExport
#else
# if defined(PERLDLL)
* The XS code in the re extension is special, in that it redefines
* core APIs locally, so don't mark them as "dllimport" because GCC
* cannot handle this situation.
+ *
+ * Certain old GCCs will not allow the function pointer of dllimport marked
+ * function to be "const". This was fixed later on. Since this is a
+ * deoptimization, target "gcc version 3.4.5 (mingw-vista special r3)" only,
+ * The GCC bug was fixed in GCC patch "varasm.c (initializer_constant_valid_p):
+ * Don't deny DECL_DLLIMPORT_P on functions", which probably was first released
+ * in GCC 4.3.0, this #if can be expanded upto but not including 4.3.0 if more
+ * deployed GCC are found that wont build with the follow error, initializer
+ * element is a PerlIO func exported from perl5xx.dll.
+ *
+ * encoding.xs:610: error: initializer element is not constant
+ * encoding.xs:610: error: (near initialization for `PerlIO_encode.Open')
*/
-#if !defined(PERLDLL) && !defined(PERL_EXT_RE_BUILD)
-# ifdef __cplusplus
-# define PERL_CALLCONV extern "C" __declspec(dllimport)
-# ifdef _MSC_VER
-# define PERL_CALLCONV_NO_RET extern "C" __declspec(dllimport) __declspec(noreturn)
+
+#if (defined(__GNUC__) && defined(__MINGW32__) && \
+ !defined(__MINGW64_VERSION_MAJOR) && !defined(__clang__) && \
+ ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ <= 5))))
+/* use default fallbacks from perl.h for this particular GCC */
+#else
+# if !defined(PERLDLL) && !defined(PERL_EXT_RE_BUILD)
+# ifdef __cplusplus
+# define PERL_CALLCONV extern "C" __declspec(dllimport)
+# ifdef _MSC_VER
+# define PERL_CALLCONV_NO_RET extern "C" __declspec(dllimport) __declspec(noreturn)
+# endif
+# else
+# define PERL_CALLCONV __declspec(dllimport)
+# ifdef _MSC_VER
+# define PERL_CALLCONV_NO_RET __declspec(dllimport) __declspec(noreturn)
+# endif
# endif
-# else
-# define PERL_CALLCONV __declspec(dllimport)
+# else /* MSVC noreturn support inside the interp */
# ifdef _MSC_VER
-# define PERL_CALLCONV_NO_RET __declspec(dllimport) __declspec(noreturn)
+# define PERL_CALLCONV_NO_RET __declspec(noreturn)
# endif
# endif
-#else /* MSVC noreturn support inside the interp */
-# ifdef _MSC_VER
-# define PERL_CALLCONV_NO_RET __declspec(noreturn)
-# endif
#endif
#ifdef _MSC_VER
#endif
#endif
-#define STANDARD_C 1
#define DOSISH 1 /* no escaping our roots */
#define OP_BINARY O_BINARY /* mistake in in pp_sys.c? */
#define snprintf _snprintf
#define vsnprintf _vsnprintf
-/* on VC2003, msvcrt.lib is missing these symbols */
+/* on VS2003, msvcrt.lib is missing these symbols */
#if _MSC_VER >= 1300 && _MSC_VER < 1400
# pragma intrinsic(_rotl64,_rotr64)
#endif
-# pragma warning(push)
-# pragma warning(disable:4756;disable:4056)
+#pragma warning(push)
+#pragma warning(disable:4756;disable:4056)
PERL_STATIC_INLINE
double S_Infinity() {
/* this is a real C literal which can get further constant folded
folding INF is creating -INF */
return (DBL_MAX+DBL_MAX);
}
-# pragma warning(pop)
-# define NV_INF S_Infinity()
+#pragma warning(pop)
+#define NV_INF S_Infinity()
/* selectany allows duplicate and unused data symbols to be removed by
VC linker, if this were static, each translation unit will have its own,
that DLL actually uses __PL_nan_u */
extern const __declspec(selectany) union { unsigned __int64 __q; double __d; }
__PL_nan_u = { 0x7FF8000000000000UI64 };
-# define NV_NAN ((NV)__PL_nan_u.__d)
+#define NV_NAN ((NV)__PL_nan_u.__d)
+
+/* The CRT was rewritten in VS2015. */
+#if _MSC_VER >= 1900
+
+/* No longer declared in stdio.h */
+EXTERN_C char *gets(char* buffer);
+
+#define tzname _tzname
+
+/* From corecrt_internal_stdio.h: */
+typedef struct
+{
+ union
+ {
+ FILE _public_file;
+ char* _ptr;
+ };
+
+ char* _base;
+ int _cnt;
+ long _flags;
+ long _file;
+ int _charbuf;
+ int _bufsiz;
+ char* _tmpfname;
+ CRITICAL_SECTION _lock;
+} __crt_stdio_stream_data;
+
+#define PERLIO_FILE_flag_RD 0x0001 /* _IOREAD */
+#define PERLIO_FILE_flag_WR 0x0002 /* _IOWRITE */
+#define PERLIO_FILE_flag_RW 0x0004 /* _IOUPDATE */
+#define PERLIO_FILE_ptr(f) (((__crt_stdio_stream_data*)(f))->_ptr)
+#define PERLIO_FILE_base(f) (((__crt_stdio_stream_data*)(f))->_base)
+#define PERLIO_FILE_cnt(f) (((__crt_stdio_stream_data*)(f))->_cnt)
+#define PERLIO_FILE_flag(f) ((int)(((__crt_stdio_stream_data*)(f))->_flags))
+#define PERLIO_FILE_file(f) (*(int*)(&((__crt_stdio_stream_data*)(f))->_file))
+
+#endif
#endif /* _MSC_VER */
+#if (!defined(_MSC_VER)) || (defined(_MSC_VER) && _MSC_VER < 1900)
+
+/* Note: PERLIO_FILE_ptr/base/cnt are not actually used for GCC or <VS2015
+ * since FILE_ptr/base/cnt do the same thing anyway but it doesn't hurt to
+ * define them all here for completeness. */
+#define PERLIO_FILE_flag_RD _IOREAD /* 0x001 */
+#define PERLIO_FILE_flag_WR _IOWRT /* 0x002 */
+#define PERLIO_FILE_flag_RW _IORW /* 0x080 */
+#define PERLIO_FILE_ptr(f) ((f)->_ptr)
+#define PERLIO_FILE_base(f) ((f)->_base)
+#define PERLIO_FILE_cnt(f) ((f)->_cnt)
+#define PERLIO_FILE_flag(f) ((f)->_flag)
+#define PERLIO_FILE_file(f) ((f)->_file)
+
+#endif
+
#ifdef __MINGW32__ /* Minimal Gnu-Win32 */
typedef long uid_t;
# define PERL_WAIT_FOR_CHILDREN win32_wait_for_children(aTHX)
#endif
+/* The following ioinfo struct manipulations had been removed but were
+ * reinstated to fix RT#120091/118059. However, they do not work with
+ * the rewritten CRT in VS2015 so they are removed once again for VS2015
+ * onwards, which will therefore suffer from the reintroduction of the
+ * close socket bug. */
+#if (!defined(_MSC_VER)) || (defined(_MSC_VER) && _MSC_VER < 1900)
+
#ifdef PERL_CORE
+
/* C doesn't like repeat struct definitions */
#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION>=3)
-#undef _CRTIMP
+# undef _CRTIMP
#endif
#ifndef _CRTIMP
-#define _CRTIMP __declspec(dllimport)
+# define _CRTIMP __declspec(dllimport)
#endif
-/* VV 2005 has multiple ioinfo struct definitions through VC 2005's release life
- * VC 2008-2012 have been stable but do not assume future VCs will have the
+/* VS2005 has multiple ioinfo struct definitions through VS2005's release life
+ * VS2008-2012 have been stable but do not assume future VSs will have the
* same ioinfo struct, just because past struct stability. If research is done
- * on the CRTs of future VS, the version check can be bumped up so the newer
- * VC uses a fixed ioinfo size.
+ * on the CRTs of future VSs, the version check can be bumped up so the newer
+ * VS uses a fixed ioinfo size. (Actually, only VS2013 (_MSC_VER 1800) hasn't
+ * been looked at; after that we cannot use the ioinfo struct anyway (see the
+ * #if above).)
*/
#if ! (_MSC_VER < 1400 || (_MSC_VER >= 1500 && _MSC_VER <= 1700) \
|| defined(__MINGW32__))
# if _MSC_VER >= 1400 && _MSC_VER < 1500
# error "This ioinfo struct is incomplete for Visual C 2005"
# endif
-/* VC 2005 CRT has at least 3 different definitions of this struct based on the
+/* VS2005 CRT has at least 3 different definitions of this struct based on the
* CRT DLL's build number. */
# if _MSC_VER >= 1500
# ifndef _SAFECRT_IMPL
#endif
/* since we are not doing a dup2(), this works fine */
-# define _set_osfhnd(fh, osfh) (void)(_osfhnd(fh) = (intptr_t)osfh)
+#define _set_osfhnd(fh, osfh) (void)(_osfhnd(fh) = (intptr_t)osfh)
+
#endif /* PERL_CORE */
+#endif /* !defined(_MSC_VER) || _MSC_VER<1900 */
+
/* IO.xs and POSIX.xs define PERLIO_NOT_STDIO to 1 */
#if defined(PERL_EXT_IO) || defined(PERL_EXT_POSIX)
#undef PERLIO_NOT_STDIO
https://perl5.git.perl.org / perl5.git / blobdiff