From 76b87c039ba8d20add4f52ba43f3471fd92e210b Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 29 May 1997 12:06:58 +0000 Subject: Update. 1997-05-29 12:48 Ulrich Drepper * io/ftw.c: Complete rewrite. Add implementation of `nftw'. * io/ftw.h: Update for new implementation and XPG4.2. * login/Makefile: Update for UTMP daemon implementation. Update resolver code to bind-4.9.6-T1A. * resolv/Banner: Update. * nss/digits_dots.c: Adapt text address matching to T1A. * nss/nss_files/files-hosts.c: Always use inet_pton. * resolv/base64.c (b64_pton): Follow T1A but don't use this code since it would lead to warnings. * resolv/gethnamaddr.c (getanswer): Test host name for maximal length at several places. * resolv/inet_net_pton.c (inet_net_pton_ipv4): Correct typo in comment. * resolv/res_comp.c (dn_expand): Check for overflow. (dn_comp): Likewise. * resolv/res_debug.c (precsize_aton): Better implementation. * resolv/res_init.c (res_init): Make `buf' of size MAXDNAME. * resolv/res_send.c (res_send): Check for overflow in descriptor set. * resolv/nss_dns/dns-host.c (getanswer_r): Test host name for maximal length at several places. 1997-05-29 12:51 Mark Kettenis * login/utmp-private.h (struct utfuncs): Add one more parameter to updwtmp function. Declare all three function jump tables. * login/utmp.h: Declare __utmpname. * login/getutent_r.c: Remove db backend and provide support for utmpd backend. * login/login.c: Use `updwtmp' function insteead of writing the record ourself. * login/logwtmp.c: Move `updwtmp' function to... * login/updwtmp.c: ...here. New file. * login/utmp_db.h: Removed. * login/utmp_file.c: Add updwtmp function to write to file. * login/utmp_daemon.c: New file. Daemon backend. * login/utmpname.c: New file. Implementation of utmpname function. * login/utmpdump.c: New file. Tool to dump utmp-like files. * login/utmpd/connection.c: New file. * login/utmpd/database.c: New file. * login/utmpd/error.c: New file. * login/utmpd/request.c: New file. * login/utmpd/utmpd-private.h: New file. * login/utmpd/utmpd.c: New file. * login/utmpd/utmpd.h: New file. * login/utmpd/xtmp.c: New file. * login/utmpd/xtmp.h: New file. 1997-05-29 12:28 Jim Meyering * time/strftime.c: Correct/normalize indentation in cpp directives. 1997-05-28 20:43 Philip Blundell * nis/nis_error.c: Include to fix warning. * nis/nis_print.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Arg 3 of map_v4v6_hostent is int* not size_t*. 1997-05-28 21:56 Andreas Jaeger * math/cmathcalls.h: Correct typo in comment. * inet/netinet/icmp6.h: Include for in6_addr. * sysdeps/unix/sysv/linux/netinet/ip_fw.h: Include for IFNAMSIZ. * sysdeps/unix/sysv/linux/net/ppp_defs.h: Include for time_t. * login/pty.h: Include for definition of struct winsize. * misc/regexp.h (compile): Correct typo. * argp/argp.h: Put extern before __const in defintion of argp_program_bug_address. 1997-05-29 00:20 Ulrich Drepper * sysdeps/wordsize-32/inttypes.h: Correct names of unsigned fast and least types. Correct names of ?INT_FAST*_{MIN,MAX} macros. * sysdeps/wordsize-64/inttypes.h: Likewise. Reported by Andreas Jaeger . 1997-05-28 22:51 Ulrich Drepper * sysdeps/unix/Makefile (make-ioctls-CFLAGS): Use generic ttydefaults.h file instead of non-existing version in termios/sys. Reported by Zack Weinberg . * time/strptime.c (strptime_internal, case 'Y'): Restrict year number to four digits and to representable range for 4 byte time_t values. Patch by H.J. Lu . 1997-05-28 18:19 Philip Blundell * posix/execl.c: Include to avoid warning. 1997-05-27 18:19 Andreas Jaeger * math/libm-test.c: Implement testing of inlined functions, make output nicer, update comments. * math/test-idouble.c: New file. Frontend for double tests of inlined functions. * math/test-ildoubl.c: New file. Frontend for long double tests of inlined functions. * math/test-ifloat.c: New file. Frontend for float tests of inlined functions. * math/test-longdouble.c: Rename to... * math/test-ldouble.c: ...this. * math/Makefile: Add rules for new test programs, change rules for renaming of longdouble test. 1997-05-20 15:50 H.J. Lu * sunrpc/rpc/svc.h (__dispatch_fn_t): New. (svc_register): Use __dispatch_fn_t in prototype. 1997-05-28 17:02 Ulrich Drepper * sysdeps/generic/bzero.c (bzero): Fix typo. Patch by Witek Wnuk . 1997-05-27 12:00 Andreas Jaeger * sysdeps/generic/vtimes.c: Use ISO C declaration style. * sysdeps/unix/bsd/ualarm.c: Include for prototype. * sysdeps/generic/memccpy.c: Include for prototype. * signal/tst-signal.c (handler): Correct function declaration to avoid warning. * stdlib/testsort.c (compare): Likewise. * string/tester.c: Likewise. 1997-05-27 14:16 Miles Bader * argp-help.c (argp_args_usage): Supply correct argp to filter_doc. 1997-05-27 17:51 Andreas Schwab * db/hash/extern.h, db/hash/hash.c, db/hash/hash.h, db/hash/hash_log2.c: Rename __log2 to __hash_log2 to avoid clash with libm. 1997-05-27 14:47 Andreas Schwab * sysdeps/m68k/fpu/e_atan2.c: Fix missing negate. Use __m81_test instead of explicit comparisons. 1997-05-26 18:36 Andreas Schwab * inet/netinet/icmp6.h: Remove use of which has no place in a generic header and is no user include file. --- login/utmpname.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 login/utmpname.c (limited to 'login/utmpname.c') diff --git a/login/utmpname.c b/login/utmpname.c new file mode 100644 index 0000000..81e857a --- /dev/null +++ b/login/utmpname.c @@ -0,0 +1,86 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Mark Kettenis , 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#if _LIBC +#include +#else +#define __libc_lock_lock(NAME) ((void) 0) +#define __libc_lock_unlock(NAME) ((void) 0) +#define __libc_lock_define(CLASS,NAME) +#define weak_alias(name, aliasname) \ + extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))); +#endif +#include +#include +#include + +#include "utmp-private.h" + + +/* This is the default name. */ +static const char default_file_name[] = _PATH_UTMP; + +/* Current file name. */ +const char *__libc_utmp_file_name = (const char *) default_file_name; + +/* We have to use the lock in getutent_r.c. */ +__libc_lock_define (extern, __libc_utmp_lock) + + +int +__utmpname (const char *file) +{ + int result = -1; + + __libc_lock_lock (__libc_utmp_lock); + + /* Close the old file. */ + (*__libc_utmp_jump_table->endutent) (); + + if (strcmp (file, __libc_utmp_file_name) != 0) + { + if (strcmp (file, default_file_name) == 0) + { + if (__libc_utmp_file_name != default_file_name) + free ((char *) __libc_utmp_file_name); + + __libc_utmp_file_name = default_file_name; + } + else + { + char *file_name = __strdup (file); + if (file_name == NULL) + /* Out of memory. */ + goto done; + + if (__libc_utmp_file_name != default_file_name) + free ((char *) __libc_utmp_file_name); + + __libc_utmp_file_name = file_name; + } + } + + __libc_utmp_jump_table = &__libc_utmp_unknown_functions; + result = 0; + +done: + __libc_lock_unlock (__libc_utmp_lock); + return result; +} +weak_alias (__utmpname, utmpname) -- cgit v1.1