1 /* RCS compile-time configuration */ 2 3 /* $FreeBSD: src/gnu/usr.bin/rcs/lib/conf.h,v 1.8.2.1 2001/05/12 10:29:42 kris Exp $ */ 4 /* $DragonFly: src/gnu/usr.bin/rcs/lib/conf.h,v 1.2 2003/06/17 04:25:47 dillon Exp $ */ 5 6 /* 7 * This file is generated automatically. 8 * If you edit it by hand your changes may be lost. 9 * Instead, please try to fix conf.sh, 10 * and send your fixes to rcs-bugs@cs.purdue.edu. 11 */ 12 13 #define exitmain(n) return n /* how to exit from main() */ 14 /* #define _POSIX_C_SOURCE 2147483647L */ /* if strict C + Posix 1003.1b-1993 or later */ 15 /* #define _POSIX_SOURCE */ /* if strict C + Posix 1003.1-1990 */ 16 17 #include <errno.h> 18 #include <stdio.h> 19 #include <time.h> 20 21 /* Comment out #include lines below that do not work. */ 22 #include <sys/types.h> 23 #include <sys/stat.h> 24 #include <dirent.h> 25 #include <fcntl.h> 26 #include <limits.h> 27 /* #include <mach/mach.h> */ 28 /* #include <net/errno.h> */ 29 #include <pwd.h> 30 /* #include <siginfo.h> */ 31 #include <signal.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <sys/mman.h> 35 #include <sys/wait.h> 36 /* #include <ucontext.h> */ 37 #include <unistd.h> 38 #include <utime.h> 39 /* #include <vfork.h> */ 40 41 /* Define boolean symbols to be 0 (false, the default), or 1 (true). */ 42 #define has_sys_param_h 1 /* Does #include <sys/param.h> work? */ 43 /* extern int errno; */ /* Uncomment if <errno.h> doesn't declare errno. */ 44 #define has_readlink 1 /* Does readlink() work? */ 45 #define readlink_isreg_errno EINVAL /* errno after readlink on regular file */ 46 47 #if has_readlink && !defined(MAXSYMLINKS) 48 # if has_sys_param_h 49 # include <sys/param.h> 50 # endif 51 # ifndef MAXSYMLINKS 52 # define MAXSYMLINKS 20 /* BSD; not standard yet */ 53 # endif 54 #endif 55 56 /* Comment out the typedefs below if the types are already declared. */ 57 /* Fix any uncommented typedefs that are wrong. */ 58 /* typedef int mode_t; */ 59 /* typedef long off_t; */ 60 /* typedef int pid_t; */ 61 /* typedef int sig_atomic_t; */ 62 /* typedef unsigned size_t; */ 63 /* typedef int ssize_t; */ 64 /* typedef long time_t; */ 65 /* typedef int uid_t; */ 66 67 /* Comment out the keyword definitions below if the keywords work. */ 68 /* #define const */ 69 /* #define volatile */ 70 71 /* Define boolean symbols to be 0 (false, the default), or 1 (true). */ 72 #define has_prototypes 1 /* Do function prototypes work? */ 73 #define has_stdarg 1 /* Does <stdarg.h> work? */ 74 /* #define has_varargs ? */ /* Does <varargs.h> work? */ 75 #define va_start_args 2 /* How many args does va_start() take? */ 76 77 #if O_BINARY 78 /* Text and binary i/o behave differently. */ 79 /* This is incompatible with Posix and Unix. */ 80 # define FOPEN_RB "rb" 81 # define FOPEN_R_WORK (Expand==BINARY_EXPAND ? "r" : "rb") 82 # define FOPEN_WB "wb" 83 # define FOPEN_W_WORK (Expand==BINARY_EXPAND ? "w" : "wb") 84 # define FOPEN_WPLUS_WORK (Expand==BINARY_EXPAND ? "w+" : "w+b") 85 # define OPEN_O_BINARY O_BINARY 86 #else 87 /* 88 * Text and binary i/o behave the same. 89 * Omit "b", since some nonstandard hosts reject it. 90 */ 91 # define FOPEN_RB "r" 92 # define FOPEN_R_WORK "r" 93 # define FOPEN_WB "w" 94 # define FOPEN_W_WORK "w" 95 # define FOPEN_WPLUS_WORK "w+" 96 # define OPEN_O_BINARY 0 97 #endif 98 99 /* This may need changing on non-Unix systems (notably DOS). */ 100 #define OPEN_CREAT_READONLY (S_IRUSR|S_IRGRP|S_IROTH) /* lock file mode */ 101 #define OPEN_O_LOCK 0 /* extra open flags for creating lock file */ 102 #define OPEN_O_WRONLY O_WRONLY /* main open flag for creating a lock file */ 103 104 /* Define or comment out the following symbols as needed. */ 105 #if has_prototypes 106 # define P(params) params 107 #else 108 # define P(params) () 109 #endif 110 #if has_stdarg 111 # include <stdarg.h> 112 #else 113 # if has_varargs 114 # include <varargs.h> 115 # else 116 typedef char *va_list; 117 # define va_dcl int va_alist; 118 # define va_start(ap) ((ap) = (va_list)&va_alist) 119 # define va_arg(ap,t) (((t*) ((ap)+=sizeof(t))) [-1]) 120 # define va_end(ap) 121 # endif 122 #endif 123 #if va_start_args == 2 124 # define vararg_start va_start 125 #else 126 # define vararg_start(ap,p) va_start(ap) 127 #endif 128 #define bad_chmod_close 0 /* Can chmod() close file descriptors? */ 129 #define bad_creat0 0 /* Do writes fail after creat(f,0)? */ 130 #define bad_fopen_wplus 0 /* Does fopen(f,"w+") fail to truncate f? */ 131 #define getlogin_is_secure 0 /* Is getlogin() secure? Usually it's not. */ 132 #define has_attribute_noreturn 1 /* Does __attribute__((noreturn)) work? */ 133 #if has_attribute_noreturn 134 # define exiting __attribute__((noreturn)) 135 #else 136 # define exiting 137 #endif 138 #define has_dirent 1 /* Do opendir(), readdir(), closedir() work? */ 139 #define void_closedir 0 /* Does closedir() yield void? */ 140 #define has_fchmod 1 /* Does fchmod() work? */ 141 #define has_fflush_input 0 /* Does fflush() work on input files? */ 142 #define has_fputs 1 /* Does fputs() work? */ 143 #define has_ftruncate 1 /* Does ftruncate() work? */ 144 #define has_getuid 1 /* Does getuid() work? */ 145 #define has_getpwuid 1 /* Does getpwuid() work? */ 146 #define has_memcmp 1 /* Does memcmp() work? */ 147 #define has_memcpy 1 /* Does memcpy() work? */ 148 #define has_memmove 1 /* Does memmove() work? */ 149 #define has_map_fd 0 /* Does map_fd() work? */ 150 #define has_mmap 1 /* Does mmap() work on regular files? */ 151 #define has_madvise 0 /* Does madvise() work? */ 152 #define mmap_signal SIGBUS /* signal received if you reference nonexistent part of mmapped file */ 153 #define has_rename 1 /* Does rename() work? */ 154 #define bad_a_rename 0 /* Does rename(A,B) fail if A is unwritable? */ 155 #define bad_b_rename 0 /* Does rename(A,B) fail if B is unwritable? */ 156 #define bad_NFS_rename 0 /* Can rename(A,B) falsely report success? */ 157 /* typedef int void; */ /* Some ancient compilers need this. */ 158 #define VOID (void) /* 'VOID e;' discards the value of an expression 'e'. */ 159 #define has_seteuid 1 /* Does seteuid() work? See ../INSTALL.RCS. */ 160 #define has_setreuid 0 /* Does setreuid() work? See ../INSTALL.RCS. */ 161 #define has_setuid 1 /* Does setuid() exist? */ 162 #define has_sigaction 1 /* Does struct sigaction work? */ 163 #define has_sa_sigaction 1 /* Does struct sigaction have sa_sigaction? */ 164 #define has_signal 1 /* Does signal() work? */ 165 #define signal_type void /* type returned by signal handlers */ 166 #define sig_zaps_handler 0 /* Must a signal handler reinvoke signal()? */ 167 /* #define has_sigblock ? */ /* Does sigblock() work? */ 168 /* #define sigmask(s) (1 << ((s)-1)) */ /* Yield mask for signal number. */ 169 typedef size_t fread_type; /* type returned by fread() and fwrite() */ 170 typedef size_t freadarg_type; /* type of their size arguments */ 171 typedef void *malloc_type; /* type returned by malloc() */ 172 #define has_getcwd 1 /* Does getcwd() work? */ 173 /* #define has_getwd ? */ /* Does getwd() work? */ 174 #define needs_getabsname 0 /* Must we define getabsname? */ 175 #define has_mktemp 1 /* Does mktemp() work? */ 176 #define has_mkstemp 1 /* Does mkstemp() work? */ 177 #define has_NFS 1 /* Might NFS be used? */ 178 #define has_psiginfo 0 /* Does psiginfo() work? */ 179 #define has_psignal 1 /* Does psignal() work? */ 180 /* #define has_si_errno ? */ /* Does siginfo_t have si_errno? */ 181 /* #define has_sys_siglist ? */ /* Does sys_siglist[] work? */ 182 /* #define strchr index */ /* Use old-fashioned name for strchr()? */ 183 /* #define strrchr rindex */ /* Use old-fashioned name for strrchr()? */ 184 #define bad_unlink 0 /* Does unlink() fail on unwritable files? */ 185 #define has_vfork 1 /* Does vfork() work? */ 186 #define has_fork 1 /* Does fork() work? */ 187 #define has_spawn 0 /* Does spawn*() work? */ 188 #define has_waitpid 1 /* Does waitpid() work? */ 189 #define bad_wait_if_SIGCHLD_ignored 0 /* Does ignoring SIGCHLD break wait()? */ 190 #define RCS_SHELL "/bin/sh" /* shell to run RCS subprograms */ 191 #define has_printf_dot 1 /* Does "%.2d" print leading 0? */ 192 #define has_vfprintf 1 /* Does vfprintf() work? */ 193 #define has_attribute_format_printf 1 /* Does __attribute__((format(printf,N,N+1))) work? */ 194 #if has_attribute_format_printf 195 # define printf_string(m, n) __attribute__((format(printf, m, n))) 196 #else 197 # define printf_string(m, n) 198 #endif 199 #if has_attribute_format_printf && has_attribute_noreturn 200 /* Work around a bug in GCC 2.5.x. */ 201 # define printf_string_exiting(m, n) __attribute__((format(printf, m, n), noreturn)) 202 #else 203 # define printf_string_exiting(m, n) printf_string(m, n) exiting 204 #endif 205 /* #define has__doprintf ? */ /* Does _doprintf() work? */ 206 /* #define has__doprnt ? */ /* Does _doprnt() work? */ 207 /* #undef EXIT_FAILURE */ /* Uncomment this if EXIT_FAILURE is broken. */ 208 #define large_memory 1 /* Can main memory hold entire RCS files? */ 209 #ifndef LONG_MAX 210 #define LONG_MAX 2147483647L /* long maximum */ 211 #endif 212 /* Do struct stat s and t describe the same file? Answer d if unknown. */ 213 #define same_file(s,t,d) ((s).st_ino==(t).st_ino && (s).st_dev==(t).st_dev) 214 #define has_utimbuf 1 /* Does struct utimbuf work? */ 215 #define CO "/usr/bin/co" /* name of 'co' program */ 216 #define COMPAT2 0 /* Are version 2 files supported? */ 217 #define DIFF "/usr/bin/diff" /* name of 'diff' program */ 218 #define DIFF3 "/usr/bin/diff3" /* name of 'diff3' program */ 219 #define DIFF3_BIN 1 /* Is diff3 user-visible (not the /usr/lib auxiliary)? */ 220 #define DIFFFLAGS "-an" /* Make diff output suitable for RCS. */ 221 #define DIFF_L 1 /* Does diff -L work? */ 222 #define DIFF_SUCCESS 0 /* DIFF status if no differences are found */ 223 #define DIFF_FAILURE 1 /* DIFF status if differences are found */ 224 #define DIFF_TROUBLE 2 /* DIFF status if trouble */ 225 #define ED "/bin/ed" /* name of 'ed' program (used only if !DIFF3_BIN) */ 226 #define MERGE "/usr/bin/merge" /* name of 'merge' program */ 227 #define TMPDIR "/tmp" /* default directory for temporary files */ 228 #define SLASH '/' /* principal filename separator */ 229 #define SLASHes '/' /* `case SLASHes:' labels all filename separators */ 230 #define isSLASH(c) ((c) == SLASH) /* Is arg a filename separator? */ 231 #define ROOTPATH(p) isSLASH((p)[0]) /* Is p an absolute pathname? */ 232 #define X_DEFAULT ",v/" /* default value for -x option */ 233 #define SLASHSLASH_is_SLASH 1 /* Are // and / the same directory? */ 234 #define ALL_ABSOLUTE 1 /* Do all subprograms satisfy ROOTPATH? */ 235 #define DIFF_ABSOLUTE 1 /* Is ROOTPATH(DIFF) true? */ 236 #define SENDMAIL "/usr/sbin/sendmail" /* how to send mail */ 237 #define TZ_must_be_set 0 /* Must TZ be set for gmtime() to work? */ 238 239 240 241 /* Adjust the following declarations as needed. */ 242 243 244 /* The rest is for the benefit of non-standard, traditional hosts. */ 245 /* Don't bother to declare functions that in traditional hosts do not appear, */ 246 /* or are declared in .h files, or return int or void. */ 247 248 249 /* traditional BSD */ 250 251 #if has_sys_siglist && !defined(sys_siglist) 252 extern char const * const sys_siglist[]; 253 #endif 254 255 256 /* Posix (ISO/IEC 9945-1: 1990 / IEEE Std 1003.1-1990) */ 257 258 /* <fcntl.h> */ 259 #ifdef O_CREAT 260 # define open_can_creat 1 261 #else 262 # define open_can_creat 0 263 # define O_RDONLY 0 264 # define O_WRONLY 1 265 # define O_RDWR 2 266 # define O_CREAT 01000 267 # define O_TRUNC 02000 268 #endif 269 #ifndef O_EXCL 270 #define O_EXCL 0 271 #endif 272 273 /* <sys/stat.h> */ 274 #ifndef S_IRUSR 275 # ifdef S_IREAD 276 # define S_IRUSR S_IREAD 277 # else 278 # define S_IRUSR 0400 279 # endif 280 # ifdef S_IWRITE 281 # define S_IWUSR S_IWRITE 282 # else 283 # define S_IWUSR (S_IRUSR/2) 284 # endif 285 #endif 286 #ifndef S_IRGRP 287 # if has_getuid 288 # define S_IRGRP (S_IRUSR / 0010) 289 # define S_IWGRP (S_IWUSR / 0010) 290 # define S_IROTH (S_IRUSR / 0100) 291 # define S_IWOTH (S_IWUSR / 0100) 292 # else 293 /* single user OS -- not Posix or Unix */ 294 # define S_IRGRP 0 295 # define S_IWGRP 0 296 # define S_IROTH 0 297 # define S_IWOTH 0 298 # endif 299 #endif 300 #ifndef S_ISREG 301 #define S_ISREG(n) (((n) & S_IFMT) == S_IFREG) 302 #endif 303 304 /* <sys/wait.h> */ 305 #ifndef WEXITSTATUS 306 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) 307 #undef WIFEXITED /* Avoid 4.3BSD incompatibility with Posix. */ 308 #endif 309 #ifndef WIFEXITED 310 #define WIFEXITED(stat_val) (((stat_val) & 0377) == 0) 311 #endif 312 #ifndef WTERMSIG 313 #define WTERMSIG(stat_val) ((stat_val) & 0177) 314 #undef WIFSIGNALED /* Avoid 4.3BSD incompatibility with Posix. */ 315 #endif 316 #ifndef WIFSIGNALED 317 #define WIFSIGNALED(stat_val) ((unsigned)(stat_val) - 1 < 0377) 318 #endif 319 320 /* <unistd.h> */ 321 char *getlogin P((void)); 322 #ifndef STDIN_FILENO 323 # define STDIN_FILENO 0 324 # define STDOUT_FILENO 1 325 # define STDERR_FILENO 2 326 #endif 327 #if has_fork && !has_vfork 328 # undef vfork 329 # define vfork fork 330 #endif 331 #if has_getcwd || !has_getwd 332 char *getcwd P((char*,size_t)); 333 #else 334 char *getwd P((char*)); 335 #endif 336 #if has_setuid && !has_seteuid 337 # undef seteuid 338 # define seteuid setuid 339 #endif 340 #if has_spawn 341 # if ALL_ABSOLUTE 342 # define spawn_RCS spawnv 343 # else 344 # define spawn_RCS spawnvp 345 # endif 346 #else 347 # if ALL_ABSOLUTE 348 # define exec_RCS execv 349 # else 350 # define exec_RCS execvp 351 # endif 352 #endif 353 354 /* utime.h */ 355 #if !has_utimbuf 356 struct utimbuf { time_t actime, modtime; }; 357 #endif 358 359 360 /* Standard C library */ 361 362 /* <stdio.h> */ 363 #ifndef L_tmpnam 364 #define L_tmpnam 32 /* power of 2 > sizeof("/usr/tmp/xxxxxxxxxxxxxxx") */ 365 #endif 366 #ifndef SEEK_SET 367 #define SEEK_SET 0 368 #endif 369 #ifndef SEEK_CUR 370 #define SEEK_CUR 1 371 #endif 372 #if has_mktemp 373 char *mktemp P((char*)); /* traditional */ 374 #else 375 char *tmpnam P((char*)); 376 #endif 377 378 /* <stdlib.h> */ 379 char *getenv P((char const*)); 380 void _exit P((int)) exiting; 381 void exit P((int)) exiting; 382 malloc_type malloc P((size_t)); 383 malloc_type realloc P((malloc_type,size_t)); 384 #ifndef EXIT_FAILURE 385 #define EXIT_FAILURE 1 386 #endif 387 #ifndef EXIT_SUCCESS 388 #define EXIT_SUCCESS 0 389 #endif 390 391 /* <string.h> */ 392 char *strcpy P((char*,char const*)); 393 char *strchr P((char const*,int)); 394 char *strrchr P((char const*,int)); 395 void *memcpy P((void*,void const*,size_t)); 396 #if has_memmove 397 void *memmove P((void*,void const*,size_t)); 398 #endif 399 400 /* <time.h> */ 401 time_t time P((time_t*)); 402