avoid MakeMaker setting $^W=1
[p5sagit/p5-mst-13.2.git] / win32 / win32.h
index 50b4f19..f8e8dc7 100644 (file)
@@ -9,7 +9,9 @@
 #ifndef  _INC_WIN32_PERL5
 #define  _INC_WIN32_PERL5
 
-#define _WIN32_WINNT 0x0400    /* needed for TryEnterCriticalSection() etc. */
+#ifndef _WIN32_WINNT
+#  define _WIN32_WINNT 0x0400     /* needed for TryEnterCriticalSection() etc. */
+#endif
 
 #if defined(PERL_OBJECT) || defined(PERL_IMPLICIT_SYS) || defined(PERL_CAPI)
 #  define DYNAMIC_ENV_FETCH
 #    define __int64 long long
 #  endif
 #  define Win32_Winsock
-/* GCC does not do __declspec() - render it a nop 
- * and turn on options to avoid importing data 
- */
-#ifndef __declspec
-#  define __declspec(x)
-#endif
-#  ifndef PERL_OBJECT
-#    define PERL_GLOBAL_STRUCT
-#    ifndef MULTIPLICITY
-#      define MULTIPLICITY
-#    endif
-#  endif
 #endif
 
 /* Define DllExport akin to perl's EXT, 
@@ -55,6 +45,8 @@
  * otherwise import it.
  */
 
+/* now even GCC supports __declspec() */
+
 #if defined(PERL_OBJECT)
 #define DllExport
 #else
@@ -131,15 +123,18 @@ struct utsname {
 #define PERL_SOCK_SYSREAD_IS_RECV
 #define PERL_SOCK_SYSWRITE_IS_SEND
 
+#define PERL_NO_FORCE_LINK             /* no need for PL_force_link_funcs */
 
 /* if USE_WIN32_RTL_ENV is not defined, Perl uses direct Win32 calls
  * to read the environment, bypassing the runtime's (usually broken)
  * facilities for accessing the same.  See note in util.c/my_setenv(). */
 /*#define USE_WIN32_RTL_ENV */
 
-/* Define USE_FIXED_OSFHANDLE to fix VC's _open_osfhandle() on W95.
- * Can only enable it if not using the DLL CRT (it doesn't expose internals) */
-#if defined(_MSC_VER) && !defined(_DLL) && defined(_M_IX86)
+/* Define USE_FIXED_OSFHANDLE to fix MSVCRT's _open_osfhandle() on W95.
+   It now uses some black magic to work seamlessly with the DLL CRT and
+   works with MSVC++ 4.0+ or GCC/Mingw32
+       -- BKS 1-24-2000 */
+#if (defined(_M_IX86) && _MSC_VER >= 1000) || defined(__MINGW32__)
 #define USE_FIXED_OSFHANDLE
 #endif
 
@@ -168,6 +163,7 @@ struct utsname {
 #define _access access
 #define _chdir chdir
 #define _getpid getpid
+#define wcsicmp _wcsicmp
 #include <sys/types.h>
 
 #ifndef DllMain
@@ -190,6 +186,9 @@ struct utsname {
 #  define MEMBER_TO_FPTR(name) &(name)
 #endif
 
+/* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
+#define PERL_MEMBER_PTR_SIZE   12
+
 #endif
 
 #ifdef _MSC_VER                        /* Microsoft Visual C++ */
@@ -199,45 +198,8 @@ typedef long               gid_t;
 typedef unsigned short mode_t;
 #pragma  warning(disable: 4018 4035 4101 4102 4244 4245 4761)
 
-#ifndef PERL_OBJECT
-
 /* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
-#define STRUCT_MGVTBL_DEFINITION                                       \
-struct mgvtbl {                                                                \
-    union {                                                            \
-       int         (CPERLscope(*svt_get))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem1[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_set))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem2[16];                             \
-    };                                                                 \
-    union {                                                            \
-       U32         (CPERLscope(*svt_len))(pTHX_ SV *sv, MAGIC* mg);    \
-       char        handle_VC_problem3[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg);  \
-       char        handle_VC_problem4[16];                             \
-    };                                                                 \
-    union {                                                            \
-       int         (CPERLscope(*svt_free))(pTHX_ SV *sv, MAGIC* mg);   \
-       char        handle_VC_problem5[16];                             \
-    };                                                                 \
-}
-
-#define BASEOP_DEFINITION              \
-    OP*                op_next;                \
-    OP*                op_sibling;             \
-    OP*                (CPERLscope(*op_ppaddr))(pTHX);         \
-    char       handle_VC_problem[12];  \
-    PADOFFSET  op_targ;                \
-    OPCODE     op_type;                \
-    U16                op_seq;                 \
-    U8         op_flags;               \
-    U8         op_private;
-
-#endif /* PERL_OBJECT */
+#define PERL_MEMBER_PTR_SIZE   16
 
 #endif /* _MSC_VER */
 
@@ -251,9 +213,6 @@ typedef long                gid_t;
 #define flushall       _flushall
 #define fcloseall      _fcloseall
 
-#undef __attribute__
-#define __attribute__(x)
-
 #ifndef CP_UTF8
 #  define CP_UTF8      65001
 #endif
@@ -274,6 +233,45 @@ typedef long               gid_t;
 /* compatibility stuff for other compilers goes here */
 
 
+#if !defined(PERL_OBJECT) && defined(PERL_CAPI) && defined(PERL_MEMBER_PTR_SIZE)
+#  define STRUCT_MGVTBL_DEFINITION \
+struct mgvtbl {                                                                \
+    union {                                                            \
+       int         (CPERLscope(*svt_get))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem1[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_set))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem2[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       U32         (CPERLscope(*svt_len))(pTHX_ SV *sv, MAGIC* mg);    \
+       char        handle_VC_problem3[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_clear))(pTHX_ SV *sv, MAGIC* mg);  \
+       char        handle_VC_problem4[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+    union {                                                            \
+       int         (CPERLscope(*svt_free))(pTHX_ SV *sv, MAGIC* mg);   \
+       char        handle_VC_problem5[PERL_MEMBER_PTR_SIZE];           \
+    };                                                                 \
+}
+
+#  define BASEOP_DEFINITION \
+    OP*                op_next;                                                \
+    OP*                op_sibling;                                             \
+    OP*                (CPERLscope(*op_ppaddr))(pTHX);                         \
+    char       handle_VC_problem[PERL_MEMBER_PTR_SIZE-sizeof(OP*)];    \
+    PADOFFSET  op_targ;                                                \
+    OPCODE     op_type;                                                \
+    U16                op_seq;                                                 \
+    U8         op_flags;                                               \
+    U8         op_private;
+
+#endif /* !PERL_OBJECT && PERL_CAPI && PERL_MEMBER_PTR_SIZE */
+
+
 START_EXTERN_C
 
 /* For UNIX compatibility. */
@@ -336,12 +334,10 @@ typedef  char *           caddr_t;        /* In malloc.c (core address). */
 #define PERL_CORE
 #endif
 
-#ifdef USE_BINMODE_SCRIPTS
-#define PERL_SCRIPT_MODE "rb"
-EXT void win32_strip_return(struct sv *sv);
+#ifdef PERL_TEXTMODE_SCRIPTS
+#  define PERL_SCRIPT_MODE             "r"
 #else
-#define PERL_SCRIPT_MODE "r"
-#define win32_strip_return(sv) NOOP
+#  define PERL_SCRIPT_MODE             "rb"
 #endif
 
 /* 
@@ -427,12 +423,14 @@ struct interp_intern {
 /* Use CP_UTF8 when mode is UTF8 */
 
 #define A2WHELPER(lpa, lpw, nBytes)\
-    lpw[0] = 0, MultiByteToWideChar((IN_UTF8) ? CP_UTF8 : CP_ACP, 0, lpa, -1, lpw, (nBytes/sizeof(WCHAR)))
+    lpw[0] = 0, MultiByteToWideChar((IN_BYTE) ? CP_ACP : CP_UTF8, 0, \
+                                   lpa, -1, lpw, (nBytes/sizeof(WCHAR)))
 
 #define W2AHELPER(lpw, lpa, nChars)\
-    lpa[0] = '\0', WideCharToMultiByte((IN_UTF8) ? CP_UTF8 : CP_ACP, 0, lpw, -1, (LPSTR)lpa, nChars, NULL, NULL)
+    lpa[0] = '\0', WideCharToMultiByte((IN_BYTE) ? CP_ACP : CP_UTF8, 0, \
+                                      lpw, -1, (LPSTR)lpa, nChars, NULL, NULL)
 
-#define USING_WIDE()   (PerlEnv_os_id() == VER_PLATFORM_WIN32_NT)
+#define USING_WIDE() (PL_bigchar && PerlEnv_os_id() == VER_PLATFORM_WIN32_NT)
 
 #ifdef USE_ITHREADS
 #  define PERL_WAIT_FOR_CHILDREN \