xref: /openbsd/gnu/usr.bin/perl/dosish.h (revision 404b540a)
1 /*    dosish.h
2  *
3  *    Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999,
4  *    2000, 2001, 2002, 2007, by Larry Wall and others
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  *
9  */
10 #define ABORT() abort();
11 
12 #ifndef SH_PATH
13 #define SH_PATH "/bin/sh"
14 #endif
15 
16 #ifdef DJGPP
17 #  define BIT_BUCKET "nul"
18 #  define OP_BINARY O_BINARY
19 #  define PERL_SYS_INIT_BODY(c,v)					\
20 	 MALLOC_CHECK_TAINT2(*c,*v) Perl_DJGPP_init(c,v); PERLIO_INIT
21 #  define init_os_extras Perl_init_os_extras
22 #  define HAS_UTIME
23 #  define HAS_KILL
24    char *djgpp_pathexp (const char*);
25    void Perl_DJGPP_init (int *argcp,char ***argvp);
26 #  if (DJGPP==2 && DJGPP_MINOR < 2)
27 #    define NO_LOCALECONV_MON_THOUSANDS_SEP
28 #  endif
29 #  ifndef PERL_CORE
30 #    define PERL_FS_VER_FMT	"%d_%d_%d"
31 #  endif
32 #  define PERL_FS_VERSION	STRINGIFY(PERL_REVISION) "_" \
33 				STRINGIFY(PERL_VERSION) "_" \
34 				STRINGIFY(PERL_SUBVERSION)
35 #else	/* DJGPP */
36 #  ifdef WIN32
37 #    define PERL_SYS_INIT_BODY(c,v)					\
38 	MALLOC_CHECK_TAINT2(*c,*v) Perl_win32_init(c,v); PERLIO_INIT
39 #    define PERL_SYS_TERM_BODY()   Perl_win32_term()
40 #    define BIT_BUCKET "nul"
41 #  else
42 #	 ifdef NETWARE
43 #      define PERL_SYS_INIT_BODY(c,v)					\
44 	MALLOC_CHECK_TAINT2(*c,*v) Perl_nw5_init(c,v); PERLIO_INIT
45 #      define BIT_BUCKET "nwnul"
46 #    else
47 #      define PERL_SYS_INIT_BODY(c,v)		\
48 	MALLOC_CHECK_TAINT2(*c,*v); PERLIO_INIT
49 #      define BIT_BUCKET "\\dev\\nul" /* "wanna be like, umm, Newlined, or somethin?" */
50 #    endif /* NETWARE */
51 #  endif
52 #endif	/* DJGPP */
53 
54 #ifndef PERL_SYS_TERM_BODY
55 #  define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM
56 #endif
57 #define dXSUB_SYS
58 
59 /*
60  * 5.003_07 and earlier keyed on #ifdef MSDOS for determining if we were
61  * running on DOS, *and* if we had to cope with 16 bit memory addressing
62  * constraints, *and* we need to have memory allocated as unsigned long.
63  *
64  * with the advent of *real* compilers for DOS, they are not locked together.
65  * MSDOS means "I am running on MSDOS". HAS_64K_LIMIT means "I have
66  * 16 bit memory addressing constraints".
67  *
68  * if you need the last, try #DEFINE MEM_SIZE unsigned long.
69  */
70 #ifdef MSDOS
71 #  ifndef DJGPP
72 #    define HAS_64K_LIMIT
73 #  endif
74 #endif
75 
76 /* USEMYBINMODE
77  *	This symbol, if defined, indicates that the program should
78  *	use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
79  *	that a file is in "binary" mode -- that is, that no translation
80  *	of bytes occurs on read or write operations.
81  */
82 #undef USEMYBINMODE
83 
84 /* Stat_t:
85  *	This symbol holds the type used to declare buffers for information
86  *	returned by stat().  It's usually just struct stat.  It may be necessary
87  *	to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
88  *	information.
89  */
90 #if defined(WIN64) || defined(USE_LARGE_FILES)
91 # if defined(__BORLANDC__) /* buk */
92 #  include <sys\stat.h>
93 #  define Stat_t struct stati64
94 # else
95 #define Stat_t struct _stati64
96 # endif
97 #else
98 #if defined(UNDER_CE)
99 #define Stat_t struct xcestat
100 #else
101 #define Stat_t struct stat
102 #endif
103 #endif
104 
105 /* USE_STAT_RDEV:
106  *	This symbol is defined if this system has a stat structure declaring
107  *	st_rdev
108  */
109 #define USE_STAT_RDEV 	/**/
110 
111 /* ACME_MESS:
112  *	This symbol, if defined, indicates that error messages should be
113  *	should be generated in a format that allows the use of the Acme
114  *	GUI/editor's autofind feature.
115  */
116 #undef ACME_MESS	/**/
117 
118 /* ALTERNATE_SHEBANG:
119  *	This symbol, if defined, contains a "magic" string which may be used
120  *	as the first line of a Perl program designed to be executed directly
121  *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
122  *	begins with a character other then #, then Perl will only treat
123  *	it as a command line if it finds the string "perl" in the first
124  *	word; otherwise it's treated as the first line of code in the script.
125  *	(IOW, Perl won't hand off to another interpreter via an alternate
126  *	shebang sequence that might be legal Perl code.)
127  */
128 /* #define ALTERNATE_SHEBANG "#!" / **/
129 
130 #include <signal.h>
131 
132 /*
133  * fwrite1() should be a routine with the same calling sequence as fwrite(),
134  * but which outputs all of the bytes requested as a single stream (unlike
135  * fwrite() itself, which on some systems outputs several distinct records
136  * if the number_of_items parameter is >1).
137  */
138 #define fwrite1 fwrite
139 
140 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
141 #ifdef DJGPP
142 #   define Fflush(fp)      djgpp_fflush(fp)
143 #else
144 #   define Fflush(fp)      fflush(fp)
145 #endif
146 #define Mkdir(path,mode)   mkdir((path),(mode))
147 
148 #ifndef WIN32
149 #  define Stat(fname,bufptr) stat((fname),(bufptr))
150 #else
151 #  define HAS_IOCTL
152 #  define HAS_UTIME
153 #  define HAS_KILL
154 #  define HAS_WAIT
155 #  define HAS_CHOWN
156 #endif	/* WIN32 */
157 
158 /*
159  * <rich@phekda.freeserve.co.uk>: The DJGPP port has code that converts
160  * the return code of system() into the form that Unixy wait usually
161  * returns:
162  *
163  * - signal number in bits 0-6;
164  * - core dump flag in bit 7;
165  * - exit code in bits 8-15.
166  *
167  * Bits 0-7 are always zero for DJGPP, because it uses system().
168  * See djgpp.c.
169  *
170  * POSIX::W* use the W* macros from <sys/wait.h> to decode
171  * the return code. Unfortunately the W* macros for DJGPP use
172  * a different format than Unixy wait does. So there's a mismatch
173  * and, say, WEXITSTATUS($?) will return bogus values.
174  *
175  * So here we add hack to redefine the W* macros from DJGPP's <sys/wait.h>
176  * to work with our return-code conversion.
177  */
178 
179 #ifdef DJGPP
180 
181 #include <sys/wait.h>
182 
183 #undef WEXITSTATUS
184 #undef WIFEXITED
185 #undef WIFSIGNALED
186 #undef WIFSTOPPED
187 #undef WNOHANG
188 #undef WSTOPSIG
189 #undef WTERMSIG
190 #undef WUNTRACED
191 
192 #define WEXITSTATUS(stat_val) ((stat_val) >> 8)
193 #define WIFEXITED(stat_val)   0
194 #define WIFSIGNALED(stat_val) 0
195 #define WIFSTOPPED(stat_val)  0
196 #define WNOHANG               0
197 #define WSTOPSIG(stat_val)    0
198 #define WTERMSIG(stat_val)    0
199 #define WUNTRACED             0
200 
201 #endif
202 
203 /* Don't go reading from /dev/urandom */
204 #define PERL_NO_DEV_RANDOM
205 
206 /*
207  * Local variables:
208  * c-indentation-style: bsd
209  * c-basic-offset: 4
210  * indent-tabs-mode: t
211  * End:
212  *
213  * ex: set ts=8 sts=4 sw=4 noet:
214  */
215