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79937577d1
2004-09-13 Ulrich Drepper <drepper@redhat.com> * misc/sys/cdefs.h: Restore old definition of __P. * csu/munch.awk: Remove uses of __P and __PMT. * gmon/gmon.c: Likewise. * hesiod/hesiod.h: Likewise. * include/stdio.h: Likewise. * io/fts.c: Likewise. * libio/genops.c: Likewise. * libio/libioP.h: Likewise. * libio/fileops.c: Likewise. * libio/iolibio.h: Likewise. * libio/libio.h: Likewise. * libio/memstream.c: Likewise. * libio/oldfileops.c: Likewise. * libio/oldstdfiles.c: Likewise. * libio/iopopen.c: Likewise. * libio/vsnprintf.c: Likewise. * libio/vswprintf.c: Likewise. * libio/wgenops.c: Likewise. * libio/oldiopopen.c: Likewise. * locale/programs/xmalloc.c: Likewise. * locale/programs/xstrdup.c: Likewise. * malloc/mtrace.c: Likewise. * misc/getttyent.c: Likewise. * misc/getusershell.c: Likewise. * nis/rpcsvc/ypupd.h: Likewise. * posix/fnmatch.h: Likewise. * posix/glob.h: Likewise. * resolv/arpa/nameser.h: Likewise. * resolv/gethnamaddr.c: Likewise. * resolv/resolv.h: Likewise. * resolv/inet_net_ntop.c: Likewise. * resolv/inet_net_pton.c: Likewise. * resolv/res_init.c: Likewise. * resolv/nss_dns/dns-network.c: Likewise. * stdio-common/vfprintf.c: Likewise. * stdio-common/reg-printf.c: Likewise. * sysdeps/generic/chflags.c: Likewise. * sysdeps/generic/fchflags.c: Likewise. * sysdeps/generic/glob.c: Likewise. * sysdeps/generic/printf_fphex.c: Likewise. * sysdeps/generic/memcmp.c: Likewise. * sysdeps/generic/memcopy.h: Likewise. * sysdeps/generic/morecore.c: Likewise. * sysdeps/generic/sstk.c: Likewise. * sysdeps/posix/sigvec.c: Likewise. * sysdeps/posix/ttyname_r.c: Likewise. * sysdeps/standalone/arm/bits/errno.h: Likewise. * sysdeps/standalone/standalone.h: Likewise. * sysdeps/standalone/i386/force_cpu386/brdinit.c: Likewise. * sysdeps/standalone/i386/force_cpu386/_exit.c: Likewise. * sysdeps/unix/arm/start.c: Likewise. * sysdeps/unix/bsd/sigaction.c: Likewise. * sysdeps/unix/bsd/sun/m68k/sigtramp.c: Likewise. * sysdeps/unix/bsd/sun/sparc/sigtramp.c: Likewise. * sysdeps/unix/bsd/sun/sunos4/wait4.c: Likewise. * sysdeps/unix/bsd/ultrix4/mips/sigvec.c: Likewise. * sysdeps/unix/bsd/ultrix4/sysconf.c: Likewise. * sysdeps/unix/sparc/start.c: Likewise. * sysdeps/unix/sysv/getdents.c: Likewise. * sysdeps/unix/sysv/irix4/fpathconf.c: Likewise. * sysdeps/unix/sysv/irix4/getgroups.c: Likewise. * sysdeps/unix/sysv/irix4/getpriority.c: Likewise. * sysdeps/unix/sysv/irix4/getrusage.c: Likewise. * sysdeps/unix/sysv/irix4/pathconf.c: Likewise. * sysdeps/unix/sysv/irix4/setgroups.c: Likewise. * sysdeps/unix/sysv/irix4/sigtramp.c: Likewise. * sysdeps/unix/sysv/irix4/start.c: Likewise. * sysdeps/unix/sysv/irix4/sysconf.c: Likewise. * sysdeps/unix/sysv/sco3.2.4/__setpgid.c: Likewise. * sysdeps/unix/sysv/sco3.2.4/getgroups.c: Likewise. * sysdeps/unix/sysv/sysv4/__getpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/__setpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/getpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/setpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/sethostname.c: Likewise. * sysdeps/unix/sysv/sysv4/setsid.c: Likewise. * sysdeps/unix/sysv/sysv4/sysconf.c: Likewise. * sysdeps/unix/sysv/sysv4/waitpid.c: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/getdents.c: Likewise. * time/tzset.c: Likewise. * time/strftime_l.c: Likewise. * time/strptime_l.c: Likewise. * crypt/md5.h: Likewise.
217 lines
4.9 KiB
C
217 lines
4.9 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)getttyent.c 8.1 (Berkeley) 6/4/93";
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#endif /* LIBC_SCCS and not lint */
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#include <ttyent.h>
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#include <stdio.h>
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#include <stdio_ext.h>
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#include <ctype.h>
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#include <string.h>
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#ifdef USE_IN_LIBIO
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# define flockfile(s) _IO_flockfile (s)
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# define funlockfile(s) _IO_funlockfile (s)
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#endif
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static char zapchar;
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static FILE *tf;
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struct ttyent *
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getttynam(tty)
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const char *tty;
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{
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register struct ttyent *t;
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setttyent();
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while ((t = getttyent()))
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if (!strcmp(tty, t->ty_name))
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break;
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endttyent();
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return (t);
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}
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static char *skip (char *) __THROW internal_function;
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static char *value (char *) __THROW internal_function;
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struct ttyent *
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getttyent()
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{
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static struct ttyent tty;
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register int c;
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register char *p;
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#define MAXLINELENGTH 100
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static char line[MAXLINELENGTH];
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if (!tf && !setttyent())
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return (NULL);
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flockfile (tf);
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for (;;) {
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if (!fgets_unlocked(p = line, sizeof(line), tf)) {
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funlockfile (tf);
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return (NULL);
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}
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/* skip lines that are too big */
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if (!index(p, '\n')) {
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while ((c = getc_unlocked(tf)) != '\n' && c != EOF)
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;
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continue;
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}
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while (isspace(*p))
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++p;
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if (*p && *p != '#')
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break;
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}
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zapchar = 0;
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tty.ty_name = p;
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p = skip(p);
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if (!*(tty.ty_getty = p))
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tty.ty_getty = tty.ty_type = NULL;
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else {
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p = skip(p);
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if (!*(tty.ty_type = p))
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tty.ty_type = NULL;
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else
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p = skip(p);
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}
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tty.ty_status = 0;
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tty.ty_window = NULL;
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#define scmp(e) !strncmp(p, e, sizeof(e) - 1) && isspace(p[sizeof(e) - 1])
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#define vcmp(e) !strncmp(p, e, sizeof(e) - 1) && p[sizeof(e) - 1] == '='
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for (; *p; p = skip(p)) {
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if (scmp(_TTYS_OFF))
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tty.ty_status &= ~TTY_ON;
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else if (scmp(_TTYS_ON))
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tty.ty_status |= TTY_ON;
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else if (scmp(_TTYS_SECURE))
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tty.ty_status |= TTY_SECURE;
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else if (vcmp(_TTYS_WINDOW))
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tty.ty_window = value(p);
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else
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break;
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}
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/* We can release the lock only here since `zapchar' is global. */
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funlockfile(tf);
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if (zapchar == '#' || *p == '#')
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while ((c = *++p) == ' ' || c == '\t')
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;
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tty.ty_comment = p;
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if (*p == 0)
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tty.ty_comment = 0;
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if ((p = index(p, '\n')))
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*p = '\0';
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return (&tty);
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}
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libc_hidden_def (getttyent)
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#define QUOTED 1
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/*
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* Skip over the current field, removing quotes, and return a pointer to
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* the next field.
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*/
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static char *
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internal_function
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skip(p)
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register char *p;
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{
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register char *t;
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register int c, q;
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for (q = 0, t = p; (c = *p) != '\0'; p++) {
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if (c == '"') {
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q ^= QUOTED; /* obscure, but nice */
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continue;
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}
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if (q == QUOTED && *p == '\\' && *(p+1) == '"')
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p++;
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*t++ = *p;
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if (q == QUOTED)
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continue;
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if (c == '#') {
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zapchar = c;
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*p = 0;
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break;
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}
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if (c == '\t' || c == ' ' || c == '\n') {
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zapchar = c;
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*p++ = 0;
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while ((c = *p) == '\t' || c == ' ' || c == '\n')
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p++;
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break;
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}
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}
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*--t = '\0';
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return (p);
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}
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static char *
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internal_function
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value(p)
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register char *p;
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{
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return ((p = index(p, '=')) ? ++p : NULL);
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}
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int
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setttyent()
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{
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if (tf) {
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(void)rewind(tf);
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return (1);
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} else if ((tf = fopen(_PATH_TTYS, "rc"))) {
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/* We do the locking ourselves. */
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__fsetlocking (tf, FSETLOCKING_BYCALLER);
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return (1);
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}
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return (0);
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}
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libc_hidden_def (setttyent)
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int
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endttyent()
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{
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int rval;
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if (tf) {
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rval = !(fclose(tf) == EOF);
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tf = NULL;
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return (rval);
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}
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return (1);
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}
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libc_hidden_def (endttyent)
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