1 /* RCS compile-time configuration */ 2 3 /* $Id: conf.h,v 1.1 2016/01/14 04:22:39 christos Exp $ */ 4 5 /* 6 * This file is generated automatically. 7 * If you edit it by hand your changes may be lost. 8 * Instead, please try to fix conf.sh, 9 * and send your fixes to rcs-bugs@cs.purdue.edu. 10 */ 11 12 #define exitmain(n) return n /* how to exit from main() */ 13 /* #define _POSIX_C_SOURCE 2147483647L */ /* if strict C + Posix 1003.1b-1993 or later */ 14 /* #define _POSIX_SOURCE */ /* if strict C + Posix 1003.1-1990 */ 15 16 #include <errno.h> 17 #include <stdio.h> 18 #include <time.h> 19 20 /* Comment out #include lines below that do not work. */ 21 #include <sys/types.h> 22 #include <sys/stat.h> 23 #include <dirent.h> 24 #include <fcntl.h> 25 #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 1 /* 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 1 /* 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. */ 168 typedef size_t fread_type; /* type returned by fread() and fwrite() */ 169 typedef size_t freadarg_type; /* type of their size arguments */ 170 typedef 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_mkstemp 1 /* Does mkstemp() work? */ 176 #define has_NFS 1 /* Might NFS be used? */ 177 #define has_psiginfo 1 /* Does psiginfo() work? */ 178 #define has_psignal 1 /* Does psignal() work? */ 179 #define has_si_errno 1 /* Does siginfo_t have si_errno? */ 180 /* #define has_sys_siglist ? */ /* Does sys_siglist[] work? */ 181 /* #define strchr index */ /* Use old-fashioned name for strchr()? */ 182 /* #define strrchr rindex */ /* Use old-fashioned name for strrchr()? */ 183 #define bad_unlink 0 /* Does unlink() fail on unwritable files? */ 184 #define has_vfork 1 /* Does vfork() work? */ 185 #define has_fork 1 /* Does fork() work? */ 186 #define has_spawn 0 /* Does spawn*() work? */ 187 #define has_waitpid 1 /* Does waitpid() work? */ 188 #define bad_wait_if_SIGCHLD_ignored 0 /* Does ignoring SIGCHLD break wait()? */ 189 #define RCS_SHELL "/bin/sh" /* shell to run RCS subprograms */ 190 #define has_printf_dot 1 /* Does "%.2d" print leading 0? */ 191 #define has_vfprintf 1 /* Does vfprintf() work? */ 192 #define has_attribute_format_printf 1 /* Does __attribute__((format(printf,N,N+1))) work? */ 193 #if has_attribute_format_printf 194 # define printf_string(m, n) __attribute__((format(printf, m, n))) 195 #else 196 # define printf_string(m, n) 197 #endif 198 #if has_attribute_format_printf && has_attribute_noreturn 199 /* Work around a bug in GCC 2.5.x. */ 200 # define printf_string_exiting(m, n) __attribute__((format(printf, m, n), noreturn)) 201 #else 202 # define printf_string_exiting(m, n) printf_string(m, n) exiting 203 #endif 204 /* #define has__doprintf ? */ /* Does _doprintf() work? */ 205 /* #define has__doprnt ? */ /* Does _doprnt() work? */ 206 /* #undef EXIT_FAILURE */ /* Uncomment this if EXIT_FAILURE is broken. */ 207 #define large_memory 1 /* Can main memory hold entire RCS files? */ 208 #ifndef LONG_MAX 209 #ifdef _LP64 210 #define LONG_MAX 9223372036854775807L /* long maximum */ 211 #else 212 #define LONG_MAX 2147483647L /* long maximum */ 213 #endif 214 #endif 215 /* Do struct stat s and t describe the same file? Answer d if unknown. */ 216 #define same_file(s,t,d) ((s).st_ino==(t).st_ino && (s).st_dev==(t).st_dev) 217 #define has_utimbuf 1 /* Does struct utimbuf work? */ 218 #define CO "/usr/bin/co" /* name of 'co' program */ 219 #define COMPAT2 0 /* Are version 2 files supported? */ 220 #define DIFF "/usr/bin/diff" /* name of 'diff' program */ 221 #define DIFF3 "/usr/bin/diff3" /* name of 'diff3' program */ 222 #define DIFF3_BIN 1 /* Is diff3 user-visible (not the /usr/lib auxiliary)? */ 223 #define DIFFFLAGS "-an" /* Make diff output suitable for RCS. */ 224 #define DIFF_L 1 /* Does diff -L work? */ 225 #define DIFF_SUCCESS 0 /* DIFF status if no differences are found */ 226 #define DIFF_FAILURE 1 /* DIFF status if differences are found */ 227 #define DIFF_TROUBLE 2 /* DIFF status if trouble */ 228 #define ED "/bin/ed" /* name of 'ed' program (used only if !DIFF3_BIN) */ 229 #define MERGE "/usr/bin/merge" /* name of 'merge' program */ 230 #define TMPDIR "/tmp" /* default directory for temporary files */ 231 #define SLASH '/' /* principal filename separator */ 232 #define SLASHes '/' /* `case SLASHes:' labels all filename separators */ 233 #define isSLASH(c) ((c) == SLASH) /* Is arg a filename separator? */ 234 #define ROOTPATH(p) isSLASH((p)[0]) /* Is p an absolute pathname? */ 235 #define X_DEFAULT ",v/" /* default value for -x option */ 236 #define SLASHSLASH_is_SLASH 1 /* Are // and / the same directory? */ 237 #define ALL_ABSOLUTE 1 /* Do all subprograms satisfy ROOTPATH? */ 238 #define DIFF_ABSOLUTE 1 /* Is ROOTPATH(DIFF) true? */ 239 #define SENDMAIL "/usr/sbin/sendmail" /* how to send mail */ 240 #define TZ_must_be_set 0 /* Must TZ be set for gmtime() to work? */ 241 242 243 244 /* Adjust the following declarations as needed. */ 245 246 247 /* The rest is for the benefit of non-standard, traditional hosts. */ 248 /* Don't bother to declare functions that in traditional hosts do not appear, */ 249 /* or are declared in .h files, or return int or void. */ 250 251 252 /* traditional BSD */ 253 254 #if has_sys_siglist && !defined(sys_siglist) 255 extern char const * const sys_siglist[]; 256 #endif 257 258 259 /* Posix (ISO/IEC 9945-1: 1990 / IEEE Std 1003.1-1990) */ 260 261 /* <fcntl.h> */ 262 #ifdef O_CREAT 263 # define open_can_creat 1 264 #else 265 # define open_can_creat 0 266 # define O_RDONLY 0 267 # define O_WRONLY 1 268 # define O_RDWR 2 269 # define O_CREAT 01000 270 # define O_TRUNC 02000 271 #endif 272 #ifndef O_EXCL 273 #define O_EXCL 0 274 #endif 275 276 /* <sys/stat.h> */ 277 #ifndef S_IRUSR 278 # ifdef S_IREAD 279 # define S_IRUSR S_IREAD 280 # else 281 # define S_IRUSR 0400 282 # endif 283 # ifdef S_IWRITE 284 # define S_IWUSR S_IWRITE 285 # else 286 # define S_IWUSR (S_IRUSR/2) 287 # endif 288 #endif 289 #ifndef S_IRGRP 290 # if has_getuid 291 # define S_IRGRP (S_IRUSR / 0010) 292 # define S_IWGRP (S_IWUSR / 0010) 293 # define S_IROTH (S_IRUSR / 0100) 294 # define S_IWOTH (S_IWUSR / 0100) 295 # else 296 /* single user OS -- not Posix or Unix */ 297 # define S_IRGRP 0 298 # define S_IWGRP 0 299 # define S_IROTH 0 300 # define S_IWOTH 0 301 # endif 302 #endif 303 #ifndef S_ISREG 304 #define S_ISREG(n) (((n) & S_IFMT) == S_IFREG) 305 #endif 306 307 /* <sys/wait.h> */ 308 #ifndef WEXITSTATUS 309 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) 310 #undef WIFEXITED /* Avoid 4.3BSD incompatibility with Posix. */ 311 #endif 312 #ifndef WIFEXITED 313 #define WIFEXITED(stat_val) (((stat_val) & 0377) == 0) 314 #endif 315 #ifndef WTERMSIG 316 #define WTERMSIG(stat_val) ((stat_val) & 0177) 317 #undef WIFSIGNALED /* Avoid 4.3BSD incompatibility with Posix. */ 318 #endif 319 #ifndef WIFSIGNALED 320 #define WIFSIGNALED(stat_val) ((unsigned)(stat_val) - 1 < 0377) 321 #endif 322 323 /* <unistd.h> */ 324 char *getlogin P((void)); 325 #ifndef STDIN_FILENO 326 # define STDIN_FILENO 0 327 # define STDOUT_FILENO 1 328 # define STDERR_FILENO 2 329 #endif 330 #if has_fork && !has_vfork 331 # undef vfork 332 # define vfork fork 333 #endif 334 #if has_getcwd || !has_getwd 335 char *getcwd P((char*,size_t)); 336 #else 337 char *getwd P((char*)); 338 #endif 339 #if has_setuid && !has_seteuid 340 # undef seteuid 341 # define seteuid setuid 342 #endif 343 #if has_spawn 344 # if ALL_ABSOLUTE 345 # define spawn_RCS spawnv 346 # else 347 # define spawn_RCS spawnvp 348 # endif 349 #else 350 # if ALL_ABSOLUTE 351 # define exec_RCS execv 352 # else 353 # define exec_RCS execvp 354 # endif 355 #endif 356 357 /* utime.h */ 358 #if !has_utimbuf 359 struct utimbuf { time_t actime, modtime; }; 360 #endif 361 362 363 /* Standard C library */ 364 365 /* <stdio.h> */ 366 #ifndef L_tmpnam 367 #define L_tmpnam 32 /* power of 2 > sizeof("/usr/tmp/xxxxxxxxxxxxxxx") */ 368 #endif 369 #ifndef SEEK_SET 370 #define SEEK_SET 0 371 #endif 372 #ifndef SEEK_CUR 373 #define SEEK_CUR 1 374 #endif 375 #if has_mktemp 376 char *mktemp P((char*)); /* traditional */ 377 #else 378 char *tmpnam P((char*)); 379 #endif 380 381 /* <stdlib.h> */ 382 char *getenv P((char const*)); 383 #ifndef __NetBSD__ 384 void _exit P((int)) exiting; 385 void exit P((int)) exiting; 386 #endif 387 malloc_type malloc P((size_t)); 388 malloc_type realloc P((malloc_type,size_t)); 389 #ifndef EXIT_FAILURE 390 #define EXIT_FAILURE 1 391 #endif 392 #ifndef EXIT_SUCCESS 393 #define EXIT_SUCCESS 0 394 #endif 395 396 /* <string.h> */ 397 char *strcpy P((char*,char const*)); 398 char *strchr P((char const*,int)); 399 char *strrchr P((char const*,int)); 400 void *memcpy P((void*,void const*,size_t)); 401 #if has_memmove 402 void *memmove P((void*,void const*,size_t)); 403 #endif 404 405 /* <time.h> */ 406 time_t time P((time_t*)); 407