c877418f2e
New macros. * elf/dl-close.c (free_mem): Use libc_freeres_fn macro, remove text_set_element. * elf/dl-libc.c (free_mem): Likewise. * iconv/gconv_conf.c (free_mem): Likewise. * iconv/gconv_db.c (free_mem): Likewise. * iconv/gconv_dl.c (free_mem): Likewise. * iconv/gconv_cache.c (free_mem): Likewise. * intl/finddomain.c (free_mem): Likewise. * intl/dcigettext.c (free_mem): Likewise. * locale/setlocale.c (free_mem): Likewise. * misc/fstab.c (fstab_free): Likewise. * nss/nsswitch.c (free_mem): Likewise. * posix/regcomp.c (free_mem): Likewise. * resolv/gai_misc.c (free_res): Likewise. * stdlib/fmtmsg.c (free_mem): Likewise. * sunrpc/clnt_perr.c (free_mem): Likewise. * sysdeps/generic/setenv.c (free_mem): Likewise. * sysdeps/unix/sysv/linux/shm_open.c (freeit): Likewise. * sysdeps/pthread/aio_misc.c (free_res): Likewise. * time/tzset.c (free_mem): Likewise. * malloc/mtrace.c (release_libc_mem): Add __libc_freeres_fn_section. * locale/loadarchive.c (_nl_archive_subfreeres): Likewise. * malloc/set-freeres.c (__libc_freeres): Likewise. * login/getutent.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutent): Allocate buffer the first time it is run. * login/getutid.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutid): Allocate buffer the first time it is run. * login/getutline.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutline): Allocate buffer the first time it is run. * malloc/mtrace.c (malloc_trace_buffer): Change into char *. (mtrace): Allocate malloc_trace_buffer. * resolv/nsap_addr.c (inet_nsap_ntoa): Decrease size of tmpbuf. * resolv/ns_print.c (ns_sprintrrf): Decrease size of t. * string/strerror.c: Include libintl.h and errno.h. (buf): New variable. (strerror): Only allocate buffer if actually needed (unknown error). * time/tzfile.c (transitions): Add libc_freeres_ptr. (freeres): Remove. 2002-10-25 Jakub Jelinek <jakub@redhat.com> * include/libc-symbols.h (libc_freeres_ptr): New macro. * malloc/set-freeres.c (__libc_freeres_ptrs): Define using symbol_set_define. (__libc_freeres): Free all pointers in that section. * Makerules (build-shlib): Add $(LDSEDCMD-$(@F:lib%.so=%).so) to sed commands when creating .lds script. (LDSEDCMD-c.so): New variable. * inet/rcmd.c (ahostbuf): Change into char *. Add libc_freeres_ptr. (rcmd_af): Use strdup to allocate ahostbuf. * inet/rexec.c (ahostbuf): Change into char *. Add libc_freeres_ptr. (rexec_af): Use strdup to allocate ahostbuf. * stdio-common/reg-printf.c (printf_funcs): Remove. (__printf_arginfo_table): Change into printf_arginfo_function **. Add libc_freeres_ptr. (__register_printf_function): Allocate __printf_arginfo_table and __printf_function_table the first time it is called. * stdio-common/printf-parse.h (__printf_arginfo_table): Change into printf_arginfo_function **. (parse_one_spec): Add __builtin_expect. * grp/fgetgrent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * inet/getnetgrent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * intl/localealias.c (libc_freeres_ptr): Define if !_LIBC. (string_space, map): Add libc_freeres_ptr. (free_mem): Remove. * misc/efgcvt.c (FCVT_BUFPTR): Add libc_freeres_ptr. (free_mem): Remove. * misc/mntent.c (getmntent_buffer): Add libc_freeres_ptr. (free_mem): Remove. * crypt/md5-crypt.c (libc_freeres_ptr): Define if !_LIBC. (buffer): Add libc_freeres_ptr. (free_mem): Remove for _LIBC. * nss/getXXbyYY.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * nss/getXXent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * pwd/fgetpwent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * resolv/res_hconf.c (ifaddrs): Add libc_freeres_ptr. (free_mem): Remove. * shadow/fgetspent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/posix/ttyname.c (getttyname_name): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/unix/sysv/linux/getsysstats.c (mount_proc): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/unix/sysv/linux/ttyname.c (getttyname_name, ttyname_buf): Add libc_freeres_ptr. (free_mem): Remove. 2002-10-30 Jakub Jelinek <jakub@redhat.com> * malloc/obstack.c [_LIBC] (obstack_free): Change into strong_alias instead of duplicating the whole function in libc.
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/* Copyright (C) 1991,1996,1997,1999,2000,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <grp.h>
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#include <bits/libc-lock.h>
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#include <stdio.h>
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#include <stdlib.h>
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/* We need to protect the dynamic buffer handling. */
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__libc_lock_define_initialized (static, lock);
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libc_freeres_ptr (static char *buffer);
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/* Read one entry from the given stream. */
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struct group *
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fgetgrent (FILE *stream)
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{
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static size_t buffer_size;
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static struct group resbuf;
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fpos_t pos;
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struct group *result;
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int save;
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if (__builtin_expect (fgetpos (stream, &pos), 0) != 0)
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return NULL;
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/* Get lock. */
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__libc_lock_lock (lock);
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/* Allocate buffer if not yet available. */
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if (buffer == NULL)
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{
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buffer_size = NSS_BUFLEN_GROUP;
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buffer = malloc (buffer_size);
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}
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while (buffer != NULL
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&& (__fgetgrent_r (stream, &resbuf, buffer, buffer_size, &result)
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== ERANGE))
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{
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char *new_buf;
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buffer_size += NSS_BUFLEN_GROUP;
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new_buf = realloc (buffer, buffer_size);
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if (__builtin_expect (new_buf == NULL, 0))
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{
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/* We are out of memory. Free the current buffer so that the
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process gets a chance for a normal termination. */
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save = errno;
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free (buffer);
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__set_errno (save);
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}
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buffer = new_buf;
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/* Reset the stream. */
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if (fsetpos (stream, &pos) != 0)
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buffer = NULL;
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}
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if (buffer == NULL)
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result = NULL;
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/* Release lock. Preserve error value. */
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save = errno;
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__libc_lock_unlock (lock);
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__set_errno (save);
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return result;
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}
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