141 lines
4.3 KiB
Plaintext
141 lines
4.3 KiB
Plaintext
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/* syshdr.unx -*- C -*-
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Unix system header for the uuconf library.
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Copyright (C) 1992, 1993 Ian Lance Taylor
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This file is part of the Taylor UUCP uuconf library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
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*/
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/* The root directory (used when setting local-send and local-receive
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values). */
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#define ZROOTDIR "/"
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/* The current directory (used by uuconv as a prefix for the newly
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created file names). */
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#define ZCURDIR "."
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/* The names of the Taylor UUCP configuration files. These are
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appended to NEWCONFIGLIB which is defined in Makefile. */
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#define CONFIGFILE "/config"
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#define SYSFILE "/sys"
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#define PORTFILE "/port"
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#define DIALFILE "/dial"
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#define CALLFILE "/call"
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#define PASSWDFILE "/passwd"
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#define DIALCODEFILE "/dialcode"
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/* The names of the various V2 configuration files. These are
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appended to OLDCONFIGLIB which is defined in Makefile. */
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#define V2_SYSTEMS "/L.sys"
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#define V2_DEVICES "/L-devices"
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#define V2_USERFILE "/USERFILE"
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#define V2_CMDS "/L.cmds"
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#define V2_DIALCODES "/L-dialcodes"
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/* The names of the HDB configuration files. These are appended to
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OLDCONFIGLIB which is defined in Makefile. */
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#define HDB_SYSFILES "/Sysfiles"
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#define HDB_SYSTEMS "/Systems"
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#define HDB_PERMISSIONS "/Permissions"
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#define HDB_DEVICES "/Devices"
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#define HDB_DIALERS "/Dialers"
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#define HDB_DIALCODES "/Dialcodes"
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#define HDB_MAXUUXQTS "/Maxuuxqts"
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#define HDB_REMOTE_UNKNOWN "/remote.unknown"
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/* A string which is inserted between the value of OLDCONFIGLIB
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(defined in the Makefile) and any names specified in the HDB
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Sysfiles file. */
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#define HDB_SEPARATOR "/"
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/* A macro to check whether fopen failed because the file did not
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exist. */
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#define FNO_SUCH_FILE() (errno == ENOENT)
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#if ! HAVE_STRERROR
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/* We need a definition for strerror; normally the function in the
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unix directory is used, but we want to be independent of that
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library. This macro evaluates its argument multiple times. */
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extern int sys_nerr;
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extern char *sys_errlist[];
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#define strerror(ierr) \
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((ierr) >= 0 && (ierr) < sys_nerr ? sys_errlist[ierr] : "unknown error")
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#endif /* ! HAVE_STRERROR */
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/* This macro is used to make a filename found in a configuration file
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into an absolute path. The zdir argument is the directory to put it
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in. The zset argument is set to the new string. The fallocated
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argument is set to TRUE if the new string was allocated. */
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#define MAKE_ABSOLUTE(zset, fallocated, zfile, zdir, pblock) \
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do \
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{ \
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if (*(zfile) == '/') \
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{ \
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(zset) = (zfile); \
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(fallocated) = FALSE; \
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} \
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else \
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{ \
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size_t abs_cdir, abs_cfile; \
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char *abs_zret; \
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\
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abs_cdir = strlen (zdir); \
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abs_cfile = strlen (zfile); \
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abs_zret = (char *) uuconf_malloc ((pblock), \
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abs_cdir + abs_cfile + 2); \
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(zset) = abs_zret; \
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(fallocated) = TRUE; \
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if (abs_zret != NULL) \
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{ \
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memcpy ((pointer) abs_zret, (pointer) (zdir), abs_cdir); \
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abs_zret[abs_cdir] = '/'; \
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memcpy ((pointer) (abs_zret + abs_cdir + 1), \
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(pointer) (zfile), abs_cfile + 1); \
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} \
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} \
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} \
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while (0)
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/* We want to be able to mark the Taylor UUCP system files as close on
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exec. */
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#if HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#if HAVE_SYS_FILE_H
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#include <sys/file.h>
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#endif
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#endif
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#ifndef FD_CLOEXEC
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#define FD_CLOEXEC 1
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#endif
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#define CLOSE_ON_EXEC(e) \
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do \
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{ \
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int cle_i = fileno (e); \
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\
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fcntl (cle_i, F_SETFD, fcntl (cle_i, F_GETFD, 0) | FD_CLOEXEC); \
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} \
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while (0)
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