conf.h revision 11904
1238106Sdes/* RCS compile-time configuration */
2238106Sdes
3238106Sdes	/* $Id: conf.h,v 1.4 1995/10/28 21:49:25 peter Exp $ */
4238106Sdes
5238106Sdes/*
6238106Sdes * This file is generated automatically.
7238106Sdes * If you edit it by hand your changes may be lost.
8238106Sdes * Instead, please try to fix conf.sh,
9238106Sdes * and send your fixes to rcs-bugs@cs.purdue.edu.
10238106Sdes */
11238106Sdes
12238106Sdes#define exitmain(n) return n /* how to exit from main() */
13238106Sdes/* #define _POSIX_C_SOURCE 2147483647L */ /* if strict C + Posix 1003.1b-1993 or later */
14238106Sdes/* #define _POSIX_SOURCE */ /* if strict C + Posix 1003.1-1990 */
15238106Sdes
16238106Sdes#include <errno.h>
17238106Sdes#include <stdio.h>
18238106Sdes#include <time.h>
19238106Sdes
20238106Sdes/* Comment out #include lines below that do not work.  */
21238106Sdes#include <sys/types.h>
22238106Sdes#include <sys/stat.h>
23238106Sdes#include <dirent.h>
24238106Sdes#include <fcntl.h>
25238106Sdes#include <limits.h>
26/* #include <mach/mach.h> */
27/* #include <net/errno.h> */
28#include <pwd.h>
29/* #include <siginfo.h> */
30#include <signal.h>
31#include <stdlib.h>
32#include <string.h>
33#include <sys/mman.h>
34#include <sys/wait.h>
35/* #include <ucontext.h> */
36#include <unistd.h>
37#include <utime.h>
38/* #include <vfork.h> */
39
40/* Define boolean symbols to be 0 (false, the default), or 1 (true).  */
41#define has_sys_param_h 1 /* Does #include <sys/param.h> work?  */
42/* extern int errno; */ /* Uncomment if <errno.h> doesn't declare errno.  */
43#define has_readlink 1 /* Does readlink() work?  */
44#define readlink_isreg_errno EINVAL /* errno after readlink on regular file */
45
46#if has_readlink && !defined(MAXSYMLINKS)
47#	if has_sys_param_h
48#		include <sys/param.h>
49#	endif
50#	ifndef MAXSYMLINKS
51#		define MAXSYMLINKS 20 /* BSD; not standard yet */
52#	endif
53#endif
54
55/* Comment out the typedefs below if the types are already declared.  */
56/* Fix any uncommented typedefs that are wrong.  */
57/* typedef int mode_t; */
58/* typedef long off_t; */
59/* typedef int pid_t; */
60/* typedef int sig_atomic_t; */
61/* typedef unsigned size_t; */
62/* typedef int ssize_t; */
63/* typedef long time_t; */
64/* typedef int uid_t; */
65
66/* Comment out the keyword definitions below if the keywords work.  */
67/* #define const */
68/* #define volatile */
69
70/* Define boolean symbols to be 0 (false, the default), or 1 (true).  */
71#define has_prototypes 1 /* Do function prototypes work?  */
72#define has_stdarg 1 /* Does <stdarg.h> work?  */
73/* #define has_varargs ? */ /* Does <varargs.h> work?  */
74#define va_start_args 2 /* How many args does va_start() take?  */
75
76#if O_BINARY
77	/* Text and binary i/o behave differently.  */
78	/* This is incompatible with Posix and Unix.  */
79#	define FOPEN_RB "rb"
80#	define FOPEN_R_WORK (Expand==BINARY_EXPAND ? "r" : "rb")
81#	define FOPEN_WB "wb"
82#	define FOPEN_W_WORK (Expand==BINARY_EXPAND ? "w" : "wb")
83#	define FOPEN_WPLUS_WORK (Expand==BINARY_EXPAND ? "w+" : "w+b")
84#	define OPEN_O_BINARY O_BINARY
85#else
86	/*
87	* Text and binary i/o behave the same.
88	* Omit "b", since some nonstandard hosts reject it.
89	*/
90#	define FOPEN_RB "r"
91#	define FOPEN_R_WORK "r"
92#	define FOPEN_WB "w"
93#	define FOPEN_W_WORK "w"
94#	define FOPEN_WPLUS_WORK "w+"
95#	define OPEN_O_BINARY 0
96#endif
97
98/* This may need changing on non-Unix systems (notably DOS).  */
99#define OPEN_CREAT_READONLY (S_IRUSR|S_IRGRP|S_IROTH) /* lock file mode */
100#define OPEN_O_LOCK 0 /* extra open flags for creating lock file */
101#define OPEN_O_WRONLY O_WRONLY /* main open flag for creating a lock file */
102
103/* Define or comment out the following symbols as needed.  */
104#if has_prototypes
105#	define P(params) params
106#else
107#	define P(params) ()
108#endif
109#if has_stdarg
110#	include <stdarg.h>
111#else
112#	if has_varargs
113#		include <varargs.h>
114#	else
115		typedef char *va_list;
116#		define va_dcl int va_alist;
117#		define va_start(ap) ((ap) = (va_list)&va_alist)
118#		define va_arg(ap,t) (((t*) ((ap)+=sizeof(t)))  [-1])
119#		define va_end(ap)
120#	endif
121#endif
122#if va_start_args == 2
123#	define vararg_start va_start
124#else
125#	define vararg_start(ap,p) va_start(ap)
126#endif
127#define bad_chmod_close 0 /* Can chmod() close file descriptors?  */
128#define bad_creat0 0 /* Do writes fail after creat(f,0)?  */
129#define bad_fopen_wplus 0 /* Does fopen(f,"w+") fail to truncate f?  */
130#define getlogin_is_secure 0 /* Is getlogin() secure?  Usually it's not.  */
131#define has_attribute_noreturn 1 /* Does __attribute__((noreturn)) work?  */
132#if has_attribute_noreturn
133#	define exiting __attribute__((noreturn))
134#else
135#	define exiting
136#endif
137#define has_dirent 1 /* Do opendir(), readdir(), closedir() work?  */
138#define void_closedir 0 /* Does closedir() yield void?  */
139#define has_fchmod 1 /* Does fchmod() work?  */
140#define has_fflush_input 0 /* Does fflush() work on input files?  */
141#define has_fputs 1 /* Does fputs() work?  */
142#define has_ftruncate 1 /* Does ftruncate() work?  */
143#define has_getuid 1 /* Does getuid() work?  */
144#define has_getpwuid 1 /* Does getpwuid() work?  */
145#define has_memcmp 1 /* Does memcmp() work?  */
146#define has_memcpy 1 /* Does memcpy() work?  */
147#define has_memmove 1 /* Does memmove() work?  */
148#define has_map_fd 0 /* Does map_fd() work?  */
149#define has_mmap 1 /* Does mmap() work on regular files?  */
150#define has_madvise 0 /* Does madvise() work?  */
151#define mmap_signal SIGBUS /* signal received if you reference nonexistent part of mmapped file */
152#define has_rename 1 /* Does rename() work?  */
153#define bad_a_rename 0 /* Does rename(A,B) fail if A is unwritable?  */
154#define bad_b_rename 0 /* Does rename(A,B) fail if B is unwritable?  */
155#define bad_NFS_rename 0 /* Can rename(A,B) falsely report success?  */
156/* typedef int void; */ /* Some ancient compilers need this.  */
157#define VOID (void) /* 'VOID e;' discards the value of an expression 'e'.  */
158#define has_seteuid 1 /* Does seteuid() work?  See ../INSTALL.RCS.  */
159#define has_setreuid 0 /* Does setreuid() work?  See ../INSTALL.RCS.  */
160#define has_setuid 1 /* Does setuid() exist?  */
161#define has_sigaction 1 /* Does struct sigaction work?  */
162#define has_sa_sigaction 0 /* Does struct sigaction have sa_sigaction?  */
163#define has_signal 1 /* Does signal() work?  */
164#define signal_type void /* type returned by signal handlers */
165#define sig_zaps_handler 0 /* Must a signal handler reinvoke signal()?  */
166/* #define has_sigblock ? */ /* Does sigblock() work?  */
167/* #define sigmask(s) (1 << ((s)-1)) */ /* Yield mask for signal number.  */
168typedef size_t fread_type; /* type returned by fread() and fwrite() */
169typedef size_t freadarg_type; /* type of their size arguments */
170typedef void *malloc_type; /* type returned by malloc() */
171#define has_getcwd 1 /* Does getcwd() work?  */
172/* #define has_getwd ? */ /* Does getwd() work?  */
173#define needs_getabsname 0 /* Must we define getabsname?  */
174#define has_mktemp 1 /* Does mktemp() work?  */
175#define has_NFS 1 /* Might NFS be used?  */
176#define has_psiginfo 0 /* Does psiginfo() work?  */
177#define has_psignal 1 /* Does psignal() work?  */
178/* #define has_si_errno ? */ /* Does siginfo_t have si_errno?  */
179/* #define has_sys_siglist ? */ /* Does sys_siglist[] work?  */
180/* #define strchr index */ /* Use old-fashioned name for strchr()?  */
181/* #define strrchr rindex */ /* Use old-fashioned name for strrchr()?  */
182#define bad_unlink 0 /* Does unlink() fail on unwritable files?  */
183#define has_vfork 1 /* Does vfork() work?  */
184#define has_fork 1 /* Does fork() work?  */
185#define has_spawn 0 /* Does spawn*() work?  */
186#define has_waitpid 1 /* Does waitpid() work?  */
187#define bad_wait_if_SIGCHLD_ignored 0 /* Does ignoring SIGCHLD break wait()?  */
188#define RCS_SHELL "/bin/sh" /* shell to run RCS subprograms */
189#define has_printf_dot 1 /* Does "%.2d" print leading 0?  */
190#define has_vfprintf 1 /* Does vfprintf() work?  */
191#define has_attribute_format_printf 1 /* Does __attribute__((format(printf,N,N+1))) work?  */
192#if has_attribute_format_printf
193#	define printf_string(m, n) __attribute__((format(printf, m, n)))
194#else
195#	define printf_string(m, n)
196#endif
197#if has_attribute_format_printf && has_attribute_noreturn
198	/* Work around a bug in GCC 2.5.x.  */
199#	define printf_string_exiting(m, n) __attribute__((format(printf, m, n), noreturn))
200#else
201#	define printf_string_exiting(m, n) printf_string(m, n) exiting
202#endif
203/* #define has__doprintf ? */ /* Does _doprintf() work?  */
204/* #define has__doprnt ? */ /* Does _doprnt() work?  */
205/* #undef EXIT_FAILURE */ /* Uncomment this if EXIT_FAILURE is broken.  */
206#define large_memory 1 /* Can main memory hold entire RCS files?  */
207#ifndef LONG_MAX
208#define LONG_MAX 2147483647L /* long maximum */
209#endif
210/* Do struct stat s and t describe the same file?  Answer d if unknown.  */
211#define same_file(s,t,d) ((s).st_ino==(t).st_ino && (s).st_dev==(t).st_dev)
212#define has_utimbuf 1 /* Does struct utimbuf work?  */
213#define CO "/usr/bin/co" /* name of 'co' program */
214#define COMPAT2 0 /* Are version 2 files supported?  */
215#define DIFF "/usr/bin/diff" /* name of 'diff' program */
216#define DIFF3 "/usr/bin/diff3" /* name of 'diff3' program */
217#define DIFF3_BIN 1 /* Is diff3 user-visible (not the /usr/lib auxiliary)?  */
218#define DIFFFLAGS "-an" /* Make diff output suitable for RCS.  */
219#define DIFF_L 1 /* Does diff -L work?  */
220#define DIFF_SUCCESS 0 /* DIFF status if no differences are found */
221#define DIFF_FAILURE 1 /* DIFF status if differences are found */
222#define DIFF_TROUBLE 2 /* DIFF status if trouble */
223#define ED "/bin/ed" /* name of 'ed' program (used only if !DIFF3_BIN) */
224#define MERGE "/usr/bin/merge" /* name of 'merge' program */
225#define TMPDIR "/tmp" /* default directory for temporary files */
226#define SLASH '/' /* principal filename separator */
227#define SLASHes '/' /* `case SLASHes:' labels all filename separators */
228#define isSLASH(c) ((c) == SLASH) /* Is arg a filename separator?  */
229#define ROOTPATH(p) isSLASH((p)[0]) /* Is p an absolute pathname?  */
230#define X_DEFAULT ",v/" /* default value for -x option */
231#define SLASHSLASH_is_SLASH 1 /* Are // and / the same directory?  */
232#define ALL_ABSOLUTE 1 /* Do all subprograms satisfy ROOTPATH?  */
233#define DIFF_ABSOLUTE 1 /* Is ROOTPATH(DIFF) true?  */
234#define SENDMAIL "/usr/sbin/sendmail" /* how to send mail */
235#define TZ_must_be_set 0 /* Must TZ be set for gmtime() to work?  */
236
237
238
239/* Adjust the following declarations as needed.  */
240
241
242/* The rest is for the benefit of non-standard, traditional hosts.  */
243/* Don't bother to declare functions that in traditional hosts do not appear, */
244/* or are declared in .h files, or return int or void.  */
245
246
247/* traditional BSD */
248
249#if has_sys_siglist && !defined(sys_siglist)
250	extern char const * const sys_siglist[];
251#endif
252
253
254/* Posix (ISO/IEC 9945-1: 1990 / IEEE Std 1003.1-1990) */
255
256/* <fcntl.h> */
257#ifdef O_CREAT
258#	define open_can_creat 1
259#else
260#	define open_can_creat 0
261#	define O_RDONLY 0
262#	define O_WRONLY 1
263#	define O_RDWR 2
264#	define O_CREAT 01000
265#	define O_TRUNC 02000
266#endif
267#ifndef O_EXCL
268#define O_EXCL 0
269#endif
270
271/* <sys/stat.h> */
272#ifndef S_IRUSR
273#	ifdef S_IREAD
274#		define S_IRUSR S_IREAD
275#	else
276#		define S_IRUSR 0400
277#	endif
278#	ifdef S_IWRITE
279#		define S_IWUSR S_IWRITE
280#	else
281#		define S_IWUSR (S_IRUSR/2)
282#	endif
283#endif
284#ifndef S_IRGRP
285#	if has_getuid
286#		define S_IRGRP (S_IRUSR / 0010)
287#		define S_IWGRP (S_IWUSR / 0010)
288#		define S_IROTH (S_IRUSR / 0100)
289#		define S_IWOTH (S_IWUSR / 0100)
290#	else
291		/* single user OS -- not Posix or Unix */
292#		define S_IRGRP 0
293#		define S_IWGRP 0
294#		define S_IROTH 0
295#		define S_IWOTH 0
296#	endif
297#endif
298#ifndef S_ISREG
299#define S_ISREG(n) (((n) & S_IFMT) == S_IFREG)
300#endif
301
302/* <sys/wait.h> */
303#ifndef WEXITSTATUS
304#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
305#undef WIFEXITED /* Avoid 4.3BSD incompatibility with Posix.  */
306#endif
307#ifndef WIFEXITED
308#define WIFEXITED(stat_val) (((stat_val)  &  0377) == 0)
309#endif
310#ifndef WTERMSIG
311#define WTERMSIG(stat_val) ((stat_val) & 0177)
312#undef WIFSIGNALED /* Avoid 4.3BSD incompatibility with Posix.  */
313#endif
314#ifndef WIFSIGNALED
315#define WIFSIGNALED(stat_val) ((unsigned)(stat_val) - 1  <  0377)
316#endif
317
318/* <unistd.h> */
319char *getlogin P((void));
320#ifndef STDIN_FILENO
321#	define STDIN_FILENO 0
322#	define STDOUT_FILENO 1
323#	define STDERR_FILENO 2
324#endif
325#if has_fork && !has_vfork
326#	undef vfork
327#	define vfork fork
328#endif
329#if has_getcwd || !has_getwd
330	char *getcwd P((char*,size_t));
331#else
332	char *getwd P((char*));
333#endif
334#if has_setuid && !has_seteuid
335#	undef seteuid
336#	define seteuid setuid
337#endif
338#if has_spawn
339#	if ALL_ABSOLUTE
340#		define spawn_RCS spawnv
341#	else
342#		define spawn_RCS spawnvp
343#	endif
344#else
345#	if ALL_ABSOLUTE
346#		define exec_RCS execv
347#	else
348#		define exec_RCS execvp
349#	endif
350#endif
351
352/* utime.h */
353#if !has_utimbuf
354	struct utimbuf { time_t actime, modtime; };
355#endif
356
357
358/* Standard C library */
359
360/* <stdio.h> */
361#ifndef L_tmpnam
362#define L_tmpnam 32 /* power of 2 > sizeof("/usr/tmp/xxxxxxxxxxxxxxx") */
363#endif
364#ifndef SEEK_SET
365#define SEEK_SET 0
366#endif
367#ifndef SEEK_CUR
368#define SEEK_CUR 1
369#endif
370#if has_mktemp
371	char *mktemp P((char*)); /* traditional */
372#else
373	char *tmpnam P((char*));
374#endif
375
376/* <stdlib.h> */
377char *getenv P((char const*));
378void _exit P((int)) exiting;
379void exit P((int)) exiting;
380malloc_type malloc P((size_t));
381malloc_type realloc P((malloc_type,size_t));
382#ifndef EXIT_FAILURE
383#define EXIT_FAILURE 1
384#endif
385#ifndef EXIT_SUCCESS
386#define EXIT_SUCCESS 0
387#endif
388
389/* <string.h> */
390char *strcpy P((char*,char const*));
391char *strchr P((char const*,int));
392char *strrchr P((char const*,int));
393void *memcpy P((void*,void const*,size_t));
394#if has_memmove
395	void *memmove P((void*,void const*,size_t));
396#endif
397
398/* <time.h> */
399time_t time P((time_t*));
400