19Sjkh/* RCS compile-time configuration */ 29Sjkh 350472Speter /* $FreeBSD$ */ 49Sjkh 59Sjkh/* 69Sjkh * This file is generated automatically. 79Sjkh * If you edit it by hand your changes may be lost. 89Sjkh * Instead, please try to fix conf.sh, 99Sjkh * and send your fixes to rcs-bugs@cs.purdue.edu. 109Sjkh */ 119Sjkh 129Sjkh#define exitmain(n) return n /* how to exit from main() */ 1311894Speter/* #define _POSIX_C_SOURCE 2147483647L */ /* if strict C + Posix 1003.1b-1993 or later */ 1411894Speter/* #define _POSIX_SOURCE */ /* if strict C + Posix 1003.1-1990 */ 159Sjkh 169Sjkh#include <errno.h> 179Sjkh#include <stdio.h> 189Sjkh#include <time.h> 199Sjkh 209Sjkh/* Comment out #include lines below that do not work. */ 219Sjkh#include <sys/types.h> 229Sjkh#include <sys/stat.h> 239Sjkh#include <dirent.h> 249Sjkh#include <fcntl.h> 259Sjkh#include <limits.h> 2611894Speter/* #include <mach/mach.h> */ 2711894Speter/* #include <net/errno.h> */ 289Sjkh#include <pwd.h> 2911894Speter/* #include <siginfo.h> */ 309Sjkh#include <signal.h> 319Sjkh#include <stdlib.h> 329Sjkh#include <string.h> 339Sjkh#include <sys/mman.h> 349Sjkh#include <sys/wait.h> 3511894Speter/* #include <ucontext.h> */ 369Sjkh#include <unistd.h> 379Sjkh#include <utime.h> 389Sjkh/* #include <vfork.h> */ 399Sjkh 4011894Speter/* Define boolean symbols to be 0 (false, the default), or 1 (true). */ 419Sjkh#define has_sys_param_h 1 /* Does #include <sys/param.h> work? */ 4211894Speter/* extern int errno; */ /* Uncomment if <errno.h> doesn't declare errno. */ 439Sjkh#define has_readlink 1 /* Does readlink() work? */ 4411894Speter#define readlink_isreg_errno EINVAL /* errno after readlink on regular file */ 459Sjkh 4611894Speter#if has_readlink && !defined(MAXSYMLINKS) 479Sjkh# if has_sys_param_h 489Sjkh# include <sys/param.h> 499Sjkh# endif 509Sjkh# ifndef MAXSYMLINKS 519Sjkh# define MAXSYMLINKS 20 /* BSD; not standard yet */ 529Sjkh# endif 539Sjkh#endif 549Sjkh 559Sjkh/* Comment out the typedefs below if the types are already declared. */ 569Sjkh/* Fix any uncommented typedefs that are wrong. */ 579Sjkh/* typedef int mode_t; */ 5811894Speter/* typedef long off_t; */ 599Sjkh/* typedef int pid_t; */ 601880Swollman/* typedef int sig_atomic_t; */ 619Sjkh/* typedef unsigned size_t; */ 629Sjkh/* typedef int ssize_t; */ 639Sjkh/* typedef long time_t; */ 649Sjkh/* typedef int uid_t; */ 659Sjkh 6611894Speter/* Comment out the keyword definitions below if the keywords work. */ 6711894Speter/* #define const */ 6811894Speter/* #define volatile */ 6911894Speter 7011894Speter/* Define boolean symbols to be 0 (false, the default), or 1 (true). */ 719Sjkh#define has_prototypes 1 /* Do function prototypes work? */ 729Sjkh#define has_stdarg 1 /* Does <stdarg.h> work? */ 7311894Speter/* #define has_varargs ? */ /* Does <varargs.h> work? */ 749Sjkh#define va_start_args 2 /* How many args does va_start() take? */ 7511894Speter 7611894Speter#if O_BINARY 7711894Speter /* Text and binary i/o behave differently. */ 7811894Speter /* This is incompatible with Posix and Unix. */ 7911894Speter# define FOPEN_RB "rb" 8011894Speter# define FOPEN_R_WORK (Expand==BINARY_EXPAND ? "r" : "rb") 8111894Speter# define FOPEN_WB "wb" 8211894Speter# define FOPEN_W_WORK (Expand==BINARY_EXPAND ? "w" : "wb") 8311894Speter# define FOPEN_WPLUS_WORK (Expand==BINARY_EXPAND ? "w+" : "w+b") 8411894Speter# define OPEN_O_BINARY O_BINARY 8511894Speter#else 8611894Speter /* 8711894Speter * Text and binary i/o behave the same. 8811894Speter * Omit "b", since some nonstandard hosts reject it. 8911894Speter */ 9011894Speter# define FOPEN_RB "r" 9111894Speter# define FOPEN_R_WORK "r" 9211894Speter# define FOPEN_WB "w" 9311894Speter# define FOPEN_W_WORK "w" 9411894Speter# define FOPEN_WPLUS_WORK "w+" 9511894Speter# define OPEN_O_BINARY 0 9611894Speter#endif 9711894Speter 9811894Speter/* This may need changing on non-Unix systems (notably DOS). */ 9911894Speter#define OPEN_CREAT_READONLY (S_IRUSR|S_IRGRP|S_IROTH) /* lock file mode */ 10011894Speter#define OPEN_O_LOCK 0 /* extra open flags for creating lock file */ 10111894Speter#define OPEN_O_WRONLY O_WRONLY /* main open flag for creating a lock file */ 10211894Speter 10311894Speter/* Define or comment out the following symbols as needed. */ 1049Sjkh#if has_prototypes 1059Sjkh# define P(params) params 1069Sjkh#else 1079Sjkh# define P(params) () 1089Sjkh#endif 1099Sjkh#if has_stdarg 1109Sjkh# include <stdarg.h> 1119Sjkh#else 1129Sjkh# if has_varargs 1139Sjkh# include <varargs.h> 1149Sjkh# else 1159Sjkh typedef char *va_list; 1169Sjkh# define va_dcl int va_alist; 1179Sjkh# define va_start(ap) ((ap) = (va_list)&va_alist) 1189Sjkh# define va_arg(ap,t) (((t*) ((ap)+=sizeof(t))) [-1]) 1199Sjkh# define va_end(ap) 1209Sjkh# endif 1219Sjkh#endif 1229Sjkh#if va_start_args == 2 1239Sjkh# define vararg_start va_start 1249Sjkh#else 1259Sjkh# define vararg_start(ap,p) va_start(ap) 1269Sjkh#endif 12711894Speter#define bad_chmod_close 0 /* Can chmod() close file descriptors? */ 12811894Speter#define bad_creat0 0 /* Do writes fail after creat(f,0)? */ 12911894Speter#define bad_fopen_wplus 0 /* Does fopen(f,"w+") fail to truncate f? */ 13011894Speter#define getlogin_is_secure 0 /* Is getlogin() secure? Usually it's not. */ 13111894Speter#define has_attribute_noreturn 1 /* Does __attribute__((noreturn)) work? */ 13211894Speter#if has_attribute_noreturn 13311894Speter# define exiting __attribute__((noreturn)) 1349Sjkh#else 13511894Speter# define exiting 1369Sjkh#endif 1379Sjkh#define has_dirent 1 /* Do opendir(), readdir(), closedir() work? */ 13811894Speter#define void_closedir 0 /* Does closedir() yield void? */ 1391880Swollman#define has_fchmod 1 /* Does fchmod() work? */ 14011894Speter#define has_fflush_input 0 /* Does fflush() work on input files? */ 14111894Speter#define has_fputs 1 /* Does fputs() work? */ 1429Sjkh#define has_ftruncate 1 /* Does ftruncate() work? */ 1439Sjkh#define has_getuid 1 /* Does getuid() work? */ 1449Sjkh#define has_getpwuid 1 /* Does getpwuid() work? */ 1459Sjkh#define has_memcmp 1 /* Does memcmp() work? */ 1469Sjkh#define has_memcpy 1 /* Does memcpy() work? */ 1479Sjkh#define has_memmove 1 /* Does memmove() work? */ 14811894Speter#define has_map_fd 0 /* Does map_fd() work? */ 14911894Speter#define has_mmap 1 /* Does mmap() work on regular files? */ 1509Sjkh#define has_madvise 0 /* Does madvise() work? */ 15111894Speter#define mmap_signal SIGBUS /* signal received if you reference nonexistent part of mmapped file */ 1529Sjkh#define has_rename 1 /* Does rename() work? */ 1539Sjkh#define bad_a_rename 0 /* Does rename(A,B) fail if A is unwritable? */ 1549Sjkh#define bad_b_rename 0 /* Does rename(A,B) fail if B is unwritable? */ 15511894Speter#define bad_NFS_rename 0 /* Can rename(A,B) falsely report success? */ 15611894Speter/* typedef int void; */ /* Some ancient compilers need this. */ 1579Sjkh#define VOID (void) /* 'VOID e;' discards the value of an expression 'e'. */ 15811894Speter#define has_seteuid 1 /* Does seteuid() work? See ../INSTALL.RCS. */ 15911894Speter#define has_setreuid 0 /* Does setreuid() work? See ../INSTALL.RCS. */ 1609Sjkh#define has_setuid 1 /* Does setuid() exist? */ 16111894Speter#define has_sigaction 1 /* Does struct sigaction work? */ 162121536Speter#define has_sa_sigaction 1 /* Does struct sigaction have sa_sigaction? */ 1639Sjkh#define has_signal 1 /* Does signal() work? */ 1649Sjkh#define signal_type void /* type returned by signal handlers */ 1659Sjkh#define sig_zaps_handler 0 /* Must a signal handler reinvoke signal()? */ 1669Sjkh/* #define has_sigblock ? */ /* Does sigblock() work? */ 1679Sjkh/* #define sigmask(s) (1 << ((s)-1)) */ /* Yield mask for signal number. */ 1681880Swollmantypedef size_t fread_type; /* type returned by fread() and fwrite() */ 1699Sjkhtypedef size_t freadarg_type; /* type of their size arguments */ 1709Sjkhtypedef void *malloc_type; /* type returned by malloc() */ 1719Sjkh#define has_getcwd 1 /* Does getcwd() work? */ 1729Sjkh/* #define has_getwd ? */ /* Does getwd() work? */ 17311894Speter#define needs_getabsname 0 /* Must we define getabsname? */ 1749Sjkh#define has_mktemp 1 /* Does mktemp() work? */ 17576512Skris#define has_mkstemp 1 /* Does mkstemp() work? */ 1769Sjkh#define has_NFS 1 /* Might NFS be used? */ 17711894Speter#define has_psiginfo 0 /* Does psiginfo() work? */ 17811894Speter#define has_psignal 1 /* Does psignal() work? */ 17911894Speter/* #define has_si_errno ? */ /* Does siginfo_t have si_errno? */ 18011894Speter/* #define has_sys_siglist ? */ /* Does sys_siglist[] work? */ 1819Sjkh/* #define strchr index */ /* Use old-fashioned name for strchr()? */ 1829Sjkh/* #define strrchr rindex */ /* Use old-fashioned name for strrchr()? */ 1839Sjkh#define bad_unlink 0 /* Does unlink() fail on unwritable files? */ 1841880Swollman#define has_vfork 1 /* Does vfork() work? */ 1859Sjkh#define has_fork 1 /* Does fork() work? */ 1869Sjkh#define has_spawn 0 /* Does spawn*() work? */ 1871880Swollman#define has_waitpid 1 /* Does waitpid() work? */ 18811894Speter#define bad_wait_if_SIGCHLD_ignored 0 /* Does ignoring SIGCHLD break wait()? */ 1899Sjkh#define RCS_SHELL "/bin/sh" /* shell to run RCS subprograms */ 19011894Speter#define has_printf_dot 1 /* Does "%.2d" print leading 0? */ 1919Sjkh#define has_vfprintf 1 /* Does vfprintf() work? */ 19211894Speter#define has_attribute_format_printf 1 /* Does __attribute__((format(printf,N,N+1))) work? */ 19311894Speter#if has_attribute_format_printf 19411894Speter# define printf_string(m, n) __attribute__((format(printf, m, n))) 19511894Speter#else 19611894Speter# define printf_string(m, n) 19711894Speter#endif 19811894Speter#if has_attribute_format_printf && has_attribute_noreturn 19911894Speter /* Work around a bug in GCC 2.5.x. */ 20011894Speter# define printf_string_exiting(m, n) __attribute__((format(printf, m, n), noreturn)) 20111894Speter#else 20211894Speter# define printf_string_exiting(m, n) printf_string(m, n) exiting 20311894Speter#endif 2049Sjkh/* #define has__doprintf ? */ /* Does _doprintf() work? */ 2059Sjkh/* #define has__doprnt ? */ /* Does _doprnt() work? */ 2069Sjkh/* #undef EXIT_FAILURE */ /* Uncomment this if EXIT_FAILURE is broken. */ 2071880Swollman#define large_memory 1 /* Can main memory hold entire RCS files? */ 20811894Speter#ifndef LONG_MAX 20911894Speter#define LONG_MAX 2147483647L /* long maximum */ 21011894Speter#endif 21111894Speter/* Do struct stat s and t describe the same file? Answer d if unknown. */ 21211894Speter#define same_file(s,t,d) ((s).st_ino==(t).st_ino && (s).st_dev==(t).st_dev) 21311894Speter#define has_utimbuf 1 /* Does struct utimbuf work? */ 21411904Speter#define CO "/usr/bin/co" /* name of 'co' program */ 2159Sjkh#define COMPAT2 0 /* Are version 2 files supported? */ 2169Sjkh#define DIFF "/usr/bin/diff" /* name of 'diff' program */ 2179Sjkh#define DIFF3 "/usr/bin/diff3" /* name of 'diff3' program */ 2189Sjkh#define DIFF3_BIN 1 /* Is diff3 user-visible (not the /usr/lib auxiliary)? */ 21911894Speter#define DIFFFLAGS "-an" /* Make diff output suitable for RCS. */ 22011894Speter#define DIFF_L 1 /* Does diff -L work? */ 2219Sjkh#define DIFF_SUCCESS 0 /* DIFF status if no differences are found */ 2229Sjkh#define DIFF_FAILURE 1 /* DIFF status if differences are found */ 2239Sjkh#define DIFF_TROUBLE 2 /* DIFF status if trouble */ 2249Sjkh#define ED "/bin/ed" /* name of 'ed' program (used only if !DIFF3_BIN) */ 22511904Speter#define MERGE "/usr/bin/merge" /* name of 'merge' program */ 2269Sjkh#define TMPDIR "/tmp" /* default directory for temporary files */ 22711894Speter#define SLASH '/' /* principal filename separator */ 22811894Speter#define SLASHes '/' /* `case SLASHes:' labels all filename separators */ 22911894Speter#define isSLASH(c) ((c) == SLASH) /* Is arg a filename separator? */ 2309Sjkh#define ROOTPATH(p) isSLASH((p)[0]) /* Is p an absolute pathname? */ 2319Sjkh#define X_DEFAULT ",v/" /* default value for -x option */ 23211894Speter#define SLASHSLASH_is_SLASH 1 /* Are // and / the same directory? */ 23311894Speter#define ALL_ABSOLUTE 1 /* Do all subprograms satisfy ROOTPATH? */ 2349Sjkh#define DIFF_ABSOLUTE 1 /* Is ROOTPATH(DIFF) true? */ 23511894Speter#define SENDMAIL "/usr/sbin/sendmail" /* how to send mail */ 2369Sjkh#define TZ_must_be_set 0 /* Must TZ be set for gmtime() to work? */ 2379Sjkh 2389Sjkh 2399Sjkh 2409Sjkh/* Adjust the following declarations as needed. */ 2419Sjkh 2429Sjkh 24311894Speter/* The rest is for the benefit of non-standard, traditional hosts. */ 24411894Speter/* Don't bother to declare functions that in traditional hosts do not appear, */ 24511894Speter/* or are declared in .h files, or return int or void. */ 2469Sjkh 2479Sjkh 24811894Speter/* traditional BSD */ 24911894Speter 25011894Speter#if has_sys_siglist && !defined(sys_siglist) 25111894Speter extern char const * const sys_siglist[]; 2529Sjkh#endif 2539Sjkh 2549Sjkh 2559Sjkh/* Posix (ISO/IEC 9945-1: 1990 / IEEE Std 1003.1-1990) */ 2569Sjkh 2579Sjkh/* <fcntl.h> */ 2589Sjkh#ifdef O_CREAT 2599Sjkh# define open_can_creat 1 2609Sjkh#else 2619Sjkh# define open_can_creat 0 2629Sjkh# define O_RDONLY 0 2639Sjkh# define O_WRONLY 1 2649Sjkh# define O_RDWR 2 2659Sjkh# define O_CREAT 01000 2669Sjkh# define O_TRUNC 02000 2679Sjkh#endif 2689Sjkh#ifndef O_EXCL 26911894Speter#define O_EXCL 0 2709Sjkh#endif 2719Sjkh 2729Sjkh/* <sys/stat.h> */ 2739Sjkh#ifndef S_IRUSR 2749Sjkh# ifdef S_IREAD 2759Sjkh# define S_IRUSR S_IREAD 2769Sjkh# else 2779Sjkh# define S_IRUSR 0400 2789Sjkh# endif 2799Sjkh# ifdef S_IWRITE 2809Sjkh# define S_IWUSR S_IWRITE 2819Sjkh# else 2829Sjkh# define S_IWUSR (S_IRUSR/2) 2839Sjkh# endif 2849Sjkh#endif 2859Sjkh#ifndef S_IRGRP 2869Sjkh# if has_getuid 2879Sjkh# define S_IRGRP (S_IRUSR / 0010) 2889Sjkh# define S_IWGRP (S_IWUSR / 0010) 2899Sjkh# define S_IROTH (S_IRUSR / 0100) 2909Sjkh# define S_IWOTH (S_IWUSR / 0100) 2919Sjkh# else 2929Sjkh /* single user OS -- not Posix or Unix */ 2939Sjkh# define S_IRGRP 0 2949Sjkh# define S_IWGRP 0 2959Sjkh# define S_IROTH 0 2969Sjkh# define S_IWOTH 0 2979Sjkh# endif 2989Sjkh#endif 2999Sjkh#ifndef S_ISREG 30011894Speter#define S_ISREG(n) (((n) & S_IFMT) == S_IFREG) 3019Sjkh#endif 3029Sjkh 3039Sjkh/* <sys/wait.h> */ 3049Sjkh#ifndef WEXITSTATUS 30511894Speter#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) 30611894Speter#undef WIFEXITED /* Avoid 4.3BSD incompatibility with Posix. */ 3079Sjkh#endif 3089Sjkh#ifndef WIFEXITED 30911894Speter#define WIFEXITED(stat_val) (((stat_val) & 0377) == 0) 3109Sjkh#endif 31111894Speter#ifndef WTERMSIG 31211894Speter#define WTERMSIG(stat_val) ((stat_val) & 0177) 31311894Speter#undef WIFSIGNALED /* Avoid 4.3BSD incompatibility with Posix. */ 31411894Speter#endif 31511894Speter#ifndef WIFSIGNALED 31611894Speter#define WIFSIGNALED(stat_val) ((unsigned)(stat_val) - 1 < 0377) 31711894Speter#endif 3189Sjkh 3199Sjkh/* <unistd.h> */ 3209Sjkhchar *getlogin P((void)); 3219Sjkh#ifndef STDIN_FILENO 3229Sjkh# define STDIN_FILENO 0 3239Sjkh# define STDOUT_FILENO 1 3249Sjkh# define STDERR_FILENO 2 3259Sjkh#endif 32611894Speter#if has_fork && !has_vfork 32711894Speter# undef vfork 32811894Speter# define vfork fork 3299Sjkh#endif 3309Sjkh#if has_getcwd || !has_getwd 3319Sjkh char *getcwd P((char*,size_t)); 3329Sjkh#else 3339Sjkh char *getwd P((char*)); 3349Sjkh#endif 33511894Speter#if has_setuid && !has_seteuid 33611894Speter# undef seteuid 33711894Speter# define seteuid setuid 3389Sjkh#endif 3399Sjkh#if has_spawn 3409Sjkh# if ALL_ABSOLUTE 3419Sjkh# define spawn_RCS spawnv 3429Sjkh# else 3439Sjkh# define spawn_RCS spawnvp 3449Sjkh# endif 3459Sjkh#else 3469Sjkh# if ALL_ABSOLUTE 3479Sjkh# define exec_RCS execv 3489Sjkh# else 3499Sjkh# define exec_RCS execvp 3509Sjkh# endif 3519Sjkh#endif 3529Sjkh 3539Sjkh/* utime.h */ 35411894Speter#if !has_utimbuf 35511894Speter struct utimbuf { time_t actime, modtime; }; 35611894Speter#endif 3579Sjkh 3589Sjkh 3599Sjkh/* Standard C library */ 3609Sjkh 3619Sjkh/* <stdio.h> */ 3629Sjkh#ifndef L_tmpnam 36311894Speter#define L_tmpnam 32 /* power of 2 > sizeof("/usr/tmp/xxxxxxxxxxxxxxx") */ 3649Sjkh#endif 3659Sjkh#ifndef SEEK_SET 36611894Speter#define SEEK_SET 0 3679Sjkh#endif 36811894Speter#ifndef SEEK_CUR 36911894Speter#define SEEK_CUR 1 37011894Speter#endif 3719Sjkh#if has_mktemp 3729Sjkh char *mktemp P((char*)); /* traditional */ 3739Sjkh#else 3749Sjkh char *tmpnam P((char*)); 3759Sjkh#endif 3769Sjkh 3779Sjkh/* <stdlib.h> */ 3789Sjkhchar *getenv P((char const*)); 37911894Spetervoid _exit P((int)) exiting; 38011894Spetervoid exit P((int)) exiting; 3819Sjkhmalloc_type malloc P((size_t)); 3829Sjkhmalloc_type realloc P((malloc_type,size_t)); 3839Sjkh#ifndef EXIT_FAILURE 38411894Speter#define EXIT_FAILURE 1 3859Sjkh#endif 3869Sjkh#ifndef EXIT_SUCCESS 38711894Speter#define EXIT_SUCCESS 0 3889Sjkh#endif 3899Sjkh 3909Sjkh/* <string.h> */ 3919Sjkhchar *strcpy P((char*,char const*)); 3929Sjkhchar *strchr P((char const*,int)); 3939Sjkhchar *strrchr P((char const*,int)); 3949Sjkhvoid *memcpy P((void*,void const*,size_t)); 3959Sjkh#if has_memmove 3969Sjkh void *memmove P((void*,void const*,size_t)); 3979Sjkh#endif 3989Sjkh 3999Sjkh/* <time.h> */ 4009Sjkhtime_t time P((time_t*)); 401