1 /* $NetBSD: conf.h,v 1.11 1997/03/25 13:56:36 lukem Exp $ */
3 /* example RCS compile-time configuration */
5 /* Id: conf.heg,v 1.17 1995/06/02 18:19:00 eggert Exp */
8 * This example RCS compile-time configuration describes a host that conforms
9 * to Standard C (1990) and to Posix 1003.1b-1993 with Memory Mapped Files,
10 * and has GNU diffutils 2.7 or later. If you can't get conf.sh to work,
11 * copy this file to conf.h and edit conf.h by hand; see ../INSTALL.RCS.
14 #define exitmain(n) return n /* how to exit from main() */
15 /* #define _POSIX_C_SOURCE 2147483647L */ /* if strict C + Posix 1003.1b-1993 or later */
16 /* #define _POSIX_SOURCE */ /* if strict C + Posix 1003.1-1990 */
22 /* Comment out #include lines below that do not work. */
23 #include <sys/types.h>
28 /* #include <mach/mach.h> */
29 /* #include <net/errno.h> */
31 /* #include <siginfo.h> */
37 /* #include <ucontext.h> */
40 /* #include <vfork.h> */
42 /* Define boolean symbols to be 0 (false, the default), or 1 (true). */
43 #define has_sys_param_h 1 /* Does #include <sys/param.h> work? */
44 /* extern int errno; */ /* Uncomment if <errno.h> doesn't declare errno. */
45 #define has_readlink 1 /* Does readlink() work? */
46 #define readlink_isreg_errno EINVAL /* errno after readlink on regular file */
48 #if has_readlink && !defined(MAXSYMLINKS)
50 # include <sys/param.h>
53 # define MAXSYMLINKS 20 /* BSD; not standard yet */
57 /* Comment out the typedefs below if the types are already declared. */
58 /* Fix any uncommented typedefs that are wrong. */
59 /* typedef int mode_t; */
60 /* typedef long off_t; */
61 /* typedef int pid_t; */
62 /* typedef int sig_atomic_t; */
63 /* typedef unsigned size_t; */
64 /* typedef int ssize_t; */
65 /* typedef long time_t; */
66 /* typedef int uid_t; */
68 /* Comment out the keyword definitions below if the keywords work. */
70 /* #define volatile */
72 /* Define boolean symbols to be 0 (false, the default), or 1 (true). */
73 #define has_prototypes 1 /* Do function prototypes work? */
74 #define has_stdarg 1 /* Does <stdarg.h> work? */
75 /* #define has_varargs ? */ /* Does <varargs.h> work? */
76 #define va_start_args 2 /* How many args does va_start() take? */
79 /* Text and binary i/o behave differently. */
80 /* This is incompatible with Posix and Unix. */
81 # define FOPEN_RB "rb"
82 # define FOPEN_R_WORK (Expand==BINARY_EXPAND ? "r" : "rb")
83 # define FOPEN_WB "wb"
84 # define FOPEN_W_WORK (Expand==BINARY_EXPAND ? "w" : "wb")
85 # define FOPEN_WPLUS_WORK (Expand==BINARY_EXPAND ? "w+" : "w+b")
86 # define OPEN_O_BINARY O_BINARY
89 * Text and binary i/o behave the same.
90 * Omit "b", since some nonstandard hosts reject it.
93 # define FOPEN_R_WORK "r"
95 # define FOPEN_W_WORK "w"
96 # define FOPEN_WPLUS_WORK "w+"
97 # define OPEN_O_BINARY 0
100 /* This may need changing on non-Unix systems (notably DOS). */
101 #define OPEN_CREAT_READONLY (S_IRUSR|S_IRGRP|S_IROTH) /* lock file mode */
102 #define OPEN_O_LOCK 0 /* extra open flags for creating lock file */
103 #define OPEN_O_WRONLY O_WRONLY /* main open flag for creating a lock file */
105 /* Define or comment out the following symbols as needed. */
107 # define P(params) params
109 # define P(params) ()
115 # include <varargs.h>
117 typedef char *va_list;
118 # define va_dcl int va_alist;
119 # define va_start(ap) ((ap) = (va_list)&va_alist)
120 # define va_arg(ap,t) (((t*) ((ap)+=sizeof(t))) [-1])
124 #if va_start_args == 2
125 # define vararg_start va_start
127 # define vararg_start(ap,p) va_start(ap)
129 #define bad_chmod_close 0 /* Can chmod() close file descriptors? */
130 #define bad_creat0 0 /* Do writes fail after creat(f,0)? */
131 #define bad_fopen_wplus 0 /* Does fopen(f,"w+") fail to truncate f? */
132 #define getlogin_is_secure 0 /* Is getlogin() secure? Usually it's not. */
133 #define has_attribute_noreturn 1 /* Does __attribute__((noreturn)) work? */
134 #if has_attribute_noreturn
135 # define exiting __attribute__((noreturn))
139 #define has_dirent 1 /* Do opendir(), readdir(), closedir() work? */
140 #define void_closedir 0 /* Does closedir() yield void? */
141 #define has_fchmod 1 /* Does fchmod() work? */
142 #define has_fflush_input 0 /* Does fflush() work on input files? */
143 #define has_fputs 1 /* Does fputs() work? */
144 #define has_ftruncate 1 /* Does ftruncate() work? */
145 #define has_getuid 1 /* Does getuid() work? */
146 #define has_getpwuid 1 /* Does getpwuid() work? */
147 #define has_memcmp 1 /* Does memcmp() work? */
148 #define has_memcpy 1 /* Does memcpy() work? */
149 #define has_memmove 1 /* Does memmove() work? */
150 #define has_map_fd 0 /* Does map_fd() work? */
151 #define has_mmap 1 /* Does mmap() work on regular files? */
152 #define has_madvise 0 /* Does madvise() work? */
153 #define mmap_signal SIGBUS /* signal received if you reference nonexistent part of mmapped file */
154 #define has_rename 1 /* Does rename() work? */
155 #define bad_a_rename 0 /* Does rename(A,B) fail if A is unwritable? */
156 #define bad_b_rename 0 /* Does rename(A,B) fail if B is unwritable? */
157 #define bad_NFS_rename 0 /* Can rename(A,B) falsely report success? */
158 /* typedef int void; */ /* Some ancient compilers need this. */
159 #define VOID (void) /* 'VOID e;' discards the value of an expression 'e'. */
160 #define has_seteuid 1 /* Does seteuid() work? See ../INSTALL.RCS. */
161 #define has_setreuid 0 /* Does setreuid() work? See ../INSTALL.RCS. */
162 #define has_setuid 1 /* Does setuid() exist? */
163 #define has_sigaction 1 /* Does struct sigaction work? */
164 #define has_sa_sigaction 1 /* Does struct sigaction have sa_sigaction? */
165 #define has_signal 1 /* Does signal() work? */
166 #define signal_type void /* type returned by signal handlers */
167 #define sig_zaps_handler 0 /* Must a signal handler reinvoke signal()? */
168 /* #define has_sigblock ? */ /* Does sigblock() work? */
169 /* #define sigmask(s) (1 << ((s)-1)) */ /* Yield mask for signal number. */
170 typedef size_t fread_type
; /* type returned by fread() and fwrite() */
171 typedef size_t freadarg_type
; /* type of their size arguments */
172 typedef void *malloc_type
; /* type returned by malloc() */
173 #define has_getcwd 1 /* Does getcwd() work? */
174 /* #define has_getwd ? */ /* Does getwd() work? */
175 #define needs_getabsname 0 /* Must we define getabsname? */
176 #define has_mktemp 1 /* Does mktemp() work? */
177 #define has_mkstemp 1 /* Does mkstemp() work? (needs has_mktemp=1 too) */
178 #define has_NFS 1 /* Might NFS be used? */
179 #define has_psiginfo 0 /* Does psiginfo() work? */
180 #define has_psignal 1 /* Does psignal() work? */
181 /* #define has_si_errno ? */ /* Does siginfo_t have si_errno? */
182 /* #define has_sys_siglist ? */ /* Does sys_siglist[] work? */
183 /* #define strchr index */ /* Use old-fashioned name for strchr()? */
184 /* #define strrchr rindex */ /* Use old-fashioned name for strrchr()? */
185 #define bad_unlink 0 /* Does unlink() fail on unwritable files? */
186 #define has_vfork 1 /* Does vfork() work? */
187 #define has_fork 1 /* Does fork() work? */
188 #define has_spawn 0 /* Does spawn*() work? */
189 #define has_waitpid 1 /* Does waitpid() work? */
190 #define bad_wait_if_SIGCHLD_ignored 0 /* Does ignoring SIGCHLD break wait()? */
191 #define RCS_SHELL "/bin/sh" /* shell to run RCS subprograms */
192 #define has_printf_dot 1 /* Does "%.2d" print leading 0? */
193 #define has_vfprintf 1 /* Does vfprintf() work? */
194 #define has_attribute_format_printf 1 /* Does __attribute__((format(printf,N,N+1))) work? */
195 #if has_attribute_format_printf
196 # define printf_string(m, n) __attribute__((format(printf, m, n)))
198 # define printf_string(m, n)
200 #if has_attribute_format_printf && has_attribute_noreturn
201 /* Work around a bug in GCC 2.5.x. */
202 # define printf_string_exiting(m, n) __attribute__((format(printf, m, n), noreturn))
204 # define printf_string_exiting(m, n) printf_string(m, n) exiting
206 /* #define has__doprintf ? */ /* Does _doprintf() work? */
207 /* #define has__doprnt ? */ /* Does _doprnt() work? */
208 /* #undef EXIT_FAILURE */ /* Uncomment this if EXIT_FAILURE is broken. */
209 #define large_memory 1 /* Can main memory hold entire RCS files? */
211 #define LONG_MAX 2147483647L /* long maximum */
213 /* Do struct stat s and t describe the same file? Answer d if unknown. */
214 #define same_file(s,t,d) ((s).st_ino==(t).st_ino && (s).st_dev==(t).st_dev)
215 #define has_utimbuf 1 /* Does struct utimbuf work? */
216 #define CO "/usr/bin/co" /* name of 'co' program */
217 #define COMPAT2 0 /* Are version 2 files supported? */
218 #define DIFF "/usr/bin/diff" /* name of 'diff' program */
219 #define DIFF3 "/usr/bin/diff3" /* name of 'diff3' program */
220 #define DIFF3_BIN 1 /* Is diff3 user-visible (not the /usr/lib auxiliary)? */
221 #define DIFFFLAGS "-an" /* Make diff output suitable for RCS. */
222 #define DIFF_L 1 /* Does diff -L work? */
223 #define DIFF_SUCCESS 0 /* DIFF status if no differences are found */
224 #define DIFF_FAILURE 1 /* DIFF status if differences are found */
225 #define DIFF_TROUBLE 2 /* DIFF status if trouble */
226 #define ED "/bin/ed" /* name of 'ed' program (used only if !DIFF3_BIN) */
227 #define MERGE "/usr/bin/merge" /* name of 'merge' program */
228 #define TMPDIR "/tmp" /* default directory for temporary files */
229 #define SLASH '/' /* principal filename separator */
230 #define SLASHes '/' /* `case SLASHes:' labels all filename separators */
231 #define isSLASH(c) ((c) == SLASH) /* Is arg a filename separator? */
232 #define ROOTPATH(p) isSLASH((p)[0]) /* Is p an absolute pathname? */
233 #define X_DEFAULT ",v/" /* default value for -x option */
234 #define SLASHSLASH_is_SLASH 1 /* Are // and / the same directory? */
235 #define ALL_ABSOLUTE 1 /* Do all subprograms satisfy ROOTPATH? */
236 #define DIFF_ABSOLUTE 1 /* Is ROOTPATH(DIFF) true? */
237 #define SENDMAIL "/usr/bin/mail" /* how to send mail */
238 #define TZ_must_be_set 0 /* Must TZ be set for gmtime() to work? */
242 /* Adjust the following declarations as needed. */
245 /* The rest is for the benefit of non-standard, traditional hosts. */
246 /* Don't bother to declare functions that in traditional hosts do not appear, */
247 /* or are declared in .h files, or return int or void. */
250 /* traditional BSD */
252 #if has_sys_siglist && !defined(sys_siglist)
253 extern char const * const sys_siglist
[];
257 /* Posix (ISO/IEC 9945-1: 1990 / IEEE Std 1003.1-1990) */
261 # define open_can_creat 1
263 # define open_can_creat 0
267 # define O_CREAT 01000
268 # define O_TRUNC 02000
277 # define S_IRUSR S_IREAD
279 # define S_IRUSR 0400
282 # define S_IWUSR S_IWRITE
284 # define S_IWUSR (S_IRUSR/2)
289 # define S_IRGRP (S_IRUSR / 0010)
290 # define S_IWGRP (S_IWUSR / 0010)
291 # define S_IROTH (S_IRUSR / 0100)
292 # define S_IWOTH (S_IWUSR / 0100)
294 /* single user OS -- not Posix or Unix */
302 #define S_ISREG(n) (((n) & S_IFMT) == S_IFREG)
307 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
308 #undef WIFEXITED /* Avoid 4.3BSD incompatibility with Posix. */
311 #define WIFEXITED(stat_val) (((stat_val) & 0377) == 0)
314 #define WTERMSIG(stat_val) ((stat_val) & 0177)
315 #undef WIFSIGNALED /* Avoid 4.3BSD incompatibility with Posix. */
318 #define WIFSIGNALED(stat_val) ((unsigned)(stat_val) - 1 < 0377)
322 char *getlogin
P((void));
324 # define STDIN_FILENO 0
325 # define STDOUT_FILENO 1
326 # define STDERR_FILENO 2
328 #if has_fork && !has_vfork
332 #if has_getcwd || !has_getwd
333 char *getcwd
P((char*,size_t));
335 char *getwd
P((char*));
337 #if has_setuid && !has_seteuid
339 # define seteuid setuid
343 # define spawn_RCS spawnv
345 # define spawn_RCS spawnvp
349 # define exec_RCS execv
351 # define exec_RCS execvp
357 struct utimbuf
{ time_t actime
, modtime
; };
361 /* Standard C library */
365 #define L_tmpnam 32 /* power of 2 > sizeof("/usr/tmp/xxxxxxxxxxxxxxx") */
374 char *mktemp
P((char*)); /* traditional */
376 char *tmpnam
P((char*));
380 char *getenv
P((char const*));
382 void _exit
P((int)) exiting
;
383 void exit
P((int)) exiting
;
385 malloc_type malloc
P((size_t));
386 malloc_type realloc
P((malloc_type
,size_t));
388 #define EXIT_FAILURE 1
391 #define EXIT_SUCCESS 0
395 char *strcpy
P((char*,char const*));
396 char *strchr
P((char const*,int));
397 char *strrchr
P((char const*,int));
398 void *memcpy
P((void*,void const*,size_t));
400 void *memmove
P((void*,void const*,size_t));
404 time_t time
P((time_t*));