slurping an empty file should return '' rather than undef, with
[p5sagit/p5-mst-13.2.git] / win32 / win32.h
CommitLineData
68dc0745 1/* WIN32.H
2 *
3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc., http://info.hip.com/info/
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 */
0a753a76 9#ifndef _INC_WIN32_PERL5
10#define _INC_WIN32_PERL5
11
9d8a25dc 12#ifdef PERL_OBJECT
e9ee4811 13# define DYNAMIC_ENV_FETCH
14# define ENV_HV_NAME "___ENV_HV_NAME___"
15# define prime_env_iter()
ab39fa9d 16# define WIN32IO_IS_STDIO /* don't pull in custom stdio layer */
17# ifdef PERL_GLOBAL_STRUCT
18# error PERL_GLOBAL_STRUCT cannot be defined with PERL_OBJECT
19# endif
e5a95ffb 20# define win32_get_privlib PerlEnv_lib_path
ab39fa9d 21# define win32_get_sitelib PerlEnv_sitelib_path
9d8a25dc 22#endif
23
a835ef8a 24#ifdef __GNUC__
a835ef8a 25typedef long long __int64;
db15561c 26# define Win32_Winsock
22239a37 27/* GCC does not do __declspec() - render it a nop
28 * and turn on options to avoid importing data
29 */
b1d1613b 30#ifndef __declspec
db15561c 31# define __declspec(x)
b1d1613b 32#endif
db15561c 33# ifndef PERL_OBJECT
34# define PERL_GLOBAL_STRUCT
b86a2fa7 35# ifndef MULTIPLICITY
36# define MULTIPLICITY
37# endif
db15561c 38# endif
a835ef8a 39#endif
40
22239a37 41/* Define DllExport akin to perl's EXT,
42 * If we are in the DLL or mimicing the DLL for Win95 work round
43 * then Export the symbol,
44 * otherwise import it.
45 */
46
c69f6586 47#if defined(PERL_OBJECT)
48#define DllExport
49#else
22239a37 50#if defined(PERLDLL) || defined(WIN95FIX)
852c2e52 51#define DllExport
52/*#define DllExport __declspec(dllexport)*/ /* noises with VC5+sp3 */
22239a37 53#else
54#define DllExport __declspec(dllimport)
55#endif
c69f6586 56#endif
c69f112c 57
0a753a76 58#define WIN32_LEAN_AND_MEAN
59#include <windows.h>
60
68dc0745 61#ifdef WIN32_LEAN_AND_MEAN /* C file is NOT a Perl5 original. */
62#define CONTEXT PERL_CONTEXT /* Avoid conflict of CONTEXT defs. */
68dc0745 63#endif /*WIN32_LEAN_AND_MEAN */
0a753a76 64
eda5ff31 65#ifndef TLS_OUT_OF_INDEXES
66#define TLS_OUT_OF_INDEXES (DWORD)0xFFFFFFFF
67#endif
68
0a753a76 69#include <dirent.h>
70#include <io.h>
71#include <process.h>
72#include <stdio.h>
73#include <direct.h>
390b85e7 74#include <stdlib.h>
75#ifndef EXT
76#include "EXTERN.h"
77#endif
78
c69f112c 79struct tms {
80 long tms_utime;
81 long tms_stime;
82 long tms_cutime;
83 long tms_cstime;
84};
85
390b85e7 86#ifndef START_EXTERN_C
b3e5c95e 87#undef EXTERN_C
390b85e7 88#ifdef __cplusplus
89# define START_EXTERN_C extern "C" {
90# define END_EXTERN_C }
91# define EXTERN_C extern "C"
92#else
93# define START_EXTERN_C
94# define END_EXTERN_C
95# define EXTERN_C
96#endif
97#endif
98
99#define STANDARD_C 1
100#define DOSISH 1 /* no escaping our roots */
101#define OP_BINARY O_BINARY /* mistake in in pp_sys.c? */
0a753a76 102
f3986ebb 103/* Define USE_SOCKETS_AS_HANDLES to enable emulation of windows sockets as
104 * real filehandles. XXX Should always be defined (the other version is untested) */
105#define USE_SOCKETS_AS_HANDLES
106
a7092146 107/* read() and write() aren't transparent for socket handles */
108#define PERL_SOCK_SYSREAD_IS_RECV
109#define PERL_SOCK_SYSWRITE_IS_SEND
110
111
f3986ebb 112/* if USE_WIN32_RTL_ENV is not defined, Perl uses direct Win32 calls
113 * to read the environment, bypassing the runtime's (usually broken)
114 * facilities for accessing the same. See note in util.c/my_setenv(). */
115/*#define USE_WIN32_RTL_ENV */
0a753a76 116
f3986ebb 117/* Define USE_FIXED_OSFHANDLE to fix VC's _open_osfhandle() on W95.
118 * Can only enable it if not using the DLL CRT (it doesn't expose internals) */
119#if defined(_MSC_VER) && !defined(_DLL) && defined(_M_IX86)
120#define USE_FIXED_OSFHANDLE
121#endif
122
902173a3 123#define ENV_IS_CASELESS
124
d41de25a 125#ifndef VER_PLATFORM_WIN32_WINDOWS /* VC-2.0 headers don't have this */
f3986ebb 126#define VER_PLATFORM_WIN32_WINDOWS 1
127#endif
128
d41de25a 129#ifndef FILE_SHARE_DELETE /* VC-4.0 headers don't have this */
130#define FILE_SHARE_DELETE 0x00000004
131#endif
132
327c3667 133/* access() mode bits */
134#ifndef R_OK
135# define R_OK 4
136# define W_OK 2
137# define X_OK 1
138# define F_OK 0
139#endif
140
f3986ebb 141/* Compiler-specific stuff. */
142
910dfcc8 143#ifdef __BORLANDC__ /* Borland C++ */
3e3baf6d 144
145#define _access access
146#define _chdir chdir
147#include <sys/types.h>
148
84902520 149#ifndef DllMain
150#define DllMain DllEntryPoint
151#endif
152
189b2af5 153#pragma warn -ccc /* "condition is always true/false" */
154#pragma warn -rch /* "unreachable code" */
155#pragma warn -sig /* "conversion may lose significant digits" */
156#pragma warn -pia /* "possibly incorrect assignment" */
157#pragma warn -par /* "parameter 'foo' is never used" */
158#pragma warn -aus /* "'foo' is assigned a value that is never used" */
159#pragma warn -use /* "'foo' is declared but never used" */
160#pragma warn -csu /* "comparing signed and unsigned values" */
161#pragma warn -pro /* "call to function with no prototype" */
327c3667 162#pragma warn -stu /* "undefined structure 'foo'" */
3e3baf6d 163
4b556e6c 164#define USE_RTL_WAIT /* Borland has a working wait() */
165
ac4c12e7 166/* Borland is picky about a bare member function name used as its ptr */
167#ifdef PERL_OBJECT
168#define FUNC_NAME_TO_PTR(name) &(name)
169#endif
170
910dfcc8 171#endif
3e3baf6d 172
f3986ebb 173#ifdef _MSC_VER /* Microsoft Visual C++ */
174
0a753a76 175typedef long uid_t;
176typedef long gid_t;
f3986ebb 177#pragma warning(disable: 4018 4035 4101 4102 4244 4245 4761)
178
0f4eea8f 179#ifndef PERL_OBJECT
180
181/* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
182#define STRUCT_MGVTBL_DEFINITION \
183struct mgvtbl { \
184 union { \
185 int (CPERLscope(*svt_get)) _((SV *sv, MAGIC* mg)); \
186 char handle_VC_problem1[16]; \
187 }; \
188 union { \
189 int (CPERLscope(*svt_set)) _((SV *sv, MAGIC* mg)); \
190 char handle_VC_problem2[16]; \
191 }; \
192 union { \
193 U32 (CPERLscope(*svt_len)) _((SV *sv, MAGIC* mg)); \
194 char handle_VC_problem3[16]; \
195 }; \
196 union { \
197 int (CPERLscope(*svt_clear)) _((SV *sv, MAGIC* mg)); \
198 char handle_VC_problem4[16]; \
199 }; \
200 union { \
201 int (CPERLscope(*svt_free)) _((SV *sv, MAGIC* mg)); \
202 char handle_VC_problem5[16]; \
203 }; \
204}
205
206#define BASEOP_DEFINITION \
207 OP* op_next; \
208 OP* op_sibling; \
209 OP* (CPERLscope(*op_ppaddr))_((ARGSproto)); \
210 char handle_VC_problem[12]; \
211 PADOFFSET op_targ; \
212 OPCODE op_type; \
213 U16 op_seq; \
214 U8 op_flags; \
215 U8 op_private;
216
217#define UNION_ANY_DEFINITION union any { \
218 void* any_ptr; \
219 I32 any_i32; \
220 IV any_iv; \
221 long any_long; \
222 void (CPERLscope(*any_dptr)) _((void*)); \
223 char handle_VC_problem[16]; \
224}
225
226#endif /* PERL_OBJECT */
227
f3986ebb 228#endif /* _MSC_VER */
229
910dfcc8 230#ifdef __MINGW32__ /* Minimal Gnu-Win32 */
231
232typedef long uid_t;
233typedef long gid_t;
b1d1613b 234#ifndef _environ
3730b96e 235#define _environ environ
b1d1613b 236#endif
3730b96e 237#define flushall _flushall
238#define fcloseall _fcloseall
910dfcc8 239
db15561c 240#ifdef PERL_OBJECT
241#define FUNC_NAME_TO_PTR(name) &(name)
242#endif
243
ac4c12e7 244#ifndef _O_NOINHERIT
245# define _O_NOINHERIT 0x0080
246# ifndef _NO_OLDNAMES
247# define O_NOINHERIT _O_NOINHERIT
248# endif
249#endif
250
ba3eb2af 251#ifndef _O_NOINHERIT
252# define _O_NOINHERIT 0x0080
253# ifndef _NO_OLDNAMES
254# define O_NOINHERIT _O_NOINHERIT
255# endif
256#endif
257
910dfcc8 258#endif /* __MINGW32__ */
259
f3986ebb 260/* compatibility stuff for other compilers goes here */
0a753a76 261
0a753a76 262
390b85e7 263START_EXTERN_C
f3986ebb 264
265/* For UNIX compatibility. */
266
0a753a76 267extern uid_t getuid(void);
268extern gid_t getgid(void);
269extern uid_t geteuid(void);
270extern gid_t getegid(void);
0a753a76 271extern int setuid(uid_t uid);
272extern int setgid(gid_t gid);
273extern int kill(int pid, int sig);
161b471a 274extern void *sbrk(int need);
e34ffe5a 275extern char * getlogin(void);
b990f8c8 276extern int chown(const char *p, uid_t o, gid_t g);
d55594ae 277
f3986ebb 278#undef Stat
279#define Stat win32_stat
3e3baf6d 280
f3986ebb 281#undef init_os_extras
282#define init_os_extras Perl_init_os_extras
390b85e7 283
22239a37 284DllExport void Perl_win32_init(int *argcp, char ***argvp);
285DllExport void Perl_init_os_extras(void);
3730b96e 286DllExport void win32_str_os_error(void *sv, DWORD err);
0551aaa8 287
f3986ebb 288#ifndef USE_SOCKETS_AS_HANDLES
289extern FILE * my_fdopen(int, char *);
d55594ae 290#endif
f3986ebb 291extern int my_fclose(FILE *);
2d7a9237 292extern int do_aspawn(void *really, void **mark, void **sp);
f3986ebb 293extern int do_spawn(char *cmd);
2d7a9237 294extern int do_spawn_nowait(char *cmd);
f3986ebb 295extern char do_exec(char *cmd);
e5a95ffb 296extern char * win32_get_privlib(char *pl);
00dc2f4f 297extern char * win32_get_sitelib(char *pl);
f3986ebb 298extern int IsWin95(void);
299extern int IsWinNT(void);
d55594ae 300
f3986ebb 301extern char * staticlinkmodules[];
390b85e7 302
303END_EXTERN_C
d55594ae 304
68dc0745 305typedef char * caddr_t; /* In malloc.c (core address). */
0a753a76 306
68dc0745 307/*
68dc0745 308 * handle socket stuff, assuming socket is always available
309 */
0a753a76 310#include <sys/socket.h>
311#include <netdb.h>
312
bbc8f9de 313#ifdef MYMALLOC
314#define EMBEDMYMALLOC /**/
315/* #define USE_PERL_SBRK /**/
316/* #define PERL_SBRK_VIA_MALLOC /**/
317#endif
318
c31fac66 319#if defined(PERLDLL) && !defined(PERL_CORE)
bbc8f9de 320#define PERL_CORE
321#endif
322
a868473f 323#ifdef USE_BINMODE_SCRIPTS
324#define PERL_SCRIPT_MODE "rb"
325EXT void win32_strip_return(struct sv *sv);
326#else
327#define PERL_SCRIPT_MODE "r"
328#define win32_strip_return(sv) NOOP
329#endif
330
4b556e6c 331#define HAVE_INTERP_INTERN
332struct interp_intern {
333 char * w32_perlshell_tokens;
334 char ** w32_perlshell_vec;
335 long w32_perlshell_items;
336 struct av * w32_fdpid;
337#ifndef USE_RTL_WAIT
338 long w32_num_children;
339 HANDLE w32_child_pids[MAXIMUM_WAIT_OBJECTS];
340#endif
341};
342
b28d0864 343#define w32_perlshell_tokens (PL_sys_intern.w32_perlshell_tokens)
344#define w32_perlshell_vec (PL_sys_intern.w32_perlshell_vec)
345#define w32_perlshell_items (PL_sys_intern.w32_perlshell_items)
346#define w32_fdpid (PL_sys_intern.w32_fdpid)
4b556e6c 347
348#ifndef USE_RTL_WAIT
b28d0864 349# define w32_num_children (PL_sys_intern.w32_num_children)
350# define w32_child_pids (PL_sys_intern.w32_child_pids)
4b556e6c 351#endif
352
c53bd28a 353/*
354 * Now Win32 specific per-thread data stuff
355 */
356
357#ifdef USE_THREADS
e34ffe5a 358# ifndef USE_DECLSPEC_THREAD
359# define HAVE_THREAD_INTERN
360
361struct thread_intern {
362 /* XXX can probably use one buffer instead of several */
363 char Wstrerror_buffer[512];
364 struct servent Wservent;
365 char Wgetlogin_buffer[128];
4b556e6c 366 char Ww32_perllib_root[MAX_PATH+1];
401ef382 367# ifdef USE_SOCKETS_AS_HANDLES
368 int Winit_socktype;
369# endif
e34ffe5a 370# ifdef HAVE_DES_FCRYPT
371 char Wcrypt_buffer[30];
372# endif
2d7a9237 373# ifdef USE_RTL_THREAD_API
374 void * retv; /* slot for thread return value */
375# endif
c53bd28a 376};
e34ffe5a 377# endif /* !USE_DECLSPEC_THREAD */
378#endif /* USE_THREADS */
c53bd28a 379
68dc0745 380#endif /* _INC_WIN32_PERL5 */