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7799b7b335
1997-04-15 03:14 Ulrich Drepper <drepper@cygnus.com> * wcsmbs/wcsstr.c: Add weak alias wcswcs for Unix98 compliance. * math/Makefile (libm-calls): Add s_sincos and s_cproj. * math/mathcalls.h: Add prototype for sincos. * sysdeps/i386/fpu/__math.h: Warn about restriction on arguments to inlined sin and cos function. Define functions new in ISO C 9X when __USE_ISOC9X is defined. Add optimized version of finite. Rewrite sincos function to handle too large arguments. * sysdeps/libm-i387/s_cos.S: Better code alignment. * sysdeps/libm-i387/s_cosl.S: Likewise. * sysdeps/libm-i387/s_sin.S: Likewise. * sysdeps/libm-i387/s_sinl.S: Likewise. * sysdeps/libm-i387/s_finite.S: Yet better code. * sysdeps/libm-i387/s_finitef.S: Likewise. * sysdeps/libm-i387/s_sincos.S: New file. * sysdeps/libm-i387/s_sincosf.S: New file. * sysdeps/libm-i387/s_sincosl.S: New file. * sysdeps/libm-ieee754/s_sincos.c: New file. * sysdeps/libm-ieee754/s_sincosf.c: New file. * sysdeps/libm-ieee754/s_sincosl.c: New file. * sysdeps/libm-ieee754/s_ccosh.c: Change to use sincos function. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Likewise. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/libm-ieee754/s_csinh.c: Likewise. * sysdeps/libm-ieee754/s_csinhf.c: Likewise. * sysdeps/libm-ieee754/s_csinhl.c: Likewise. * sysdeps/libm-ieee754/s_ctan.c: Likewise. * sysdeps/libm-ieee754/s_ctanf.c: Likewise. * sysdeps/libm-ieee754/s_ctanl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Likewise. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_cosl.c: Correct check for range. * sysdeps/libm-ieee754/s_sinl.c: Likewise. * sysdeps/libm-ieee754/s_roundtol.c: Fix typos. * sysdeps/libm-ieee754/s_roundtoll.c: Likewise. * nis/Makefile (services): Mention nisplus before compat. * nis/nis_call.c (__do_niscall): Change type of variable server_len to prevent warning. * nis/nss_compat/compat-grp.c (getgrent_next_file_plusgroup): Add cast to prevent warning. * nis/nss_compat/compat-pwd.c (getpwent_next_file_plususer): Likewise. * nis/nss_compat/compat-spwd.c (getspent_next_file_plususer): Likewise. * nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_parse_hostent): Change type of variable `i' to prevent warning. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent): Likewise. * nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_parse_protoent): Likewise. * nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_parse_rpcent): Likewise. * nis/nss_nisplus/nisplus-service.c (_nss_nisplus_parse_servent): Likewise. * sysdeps/generic/Dist: Remove old math implementation files. * sysdeps/generic/mathimpl.h: Removed. * sysdeps/generic/trig.h: Removed. * sysdeps/generic/sincos.c: Removed. * sysdeps/generic/asincos.c: Removed. * sysdeps/generic/exp__E.c: Removed. * sysdeps/generic/log__L.c: Removed. 1997-04-13 17:18 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c (fREe): Small optimization. Before returning, add fast check whether the heap containing top can go away. 1997-04-11 16:46 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c (mALLOc, rEALLOc, cALLOc, mEMALIGn): When failing to allocate a new chunk, also try the main_arena. It may be that we are only running out of mmapped regions, and other arenas cannot be enlarged sufficiently. (new_heap, malloc_extend_top): Handle top_pad more consistently, i.e. only in new_heap(). 1997-04-13 21:10 Philip Blundell <pjb27@cl.cam.ac.uk> * sysdeps/posix/Makefile: Don't try to build and run mk-stdiolim if cross-compiling. * configure.in: Recognise "...linuxaout" OS names and turn off ELF. * configure.in: Add ARM support. * sysdeps/arm/Implies: New file. * sysdeps/arm/__longjmp.S: New file. * sysdeps/arm/bsd-_setjmp: New file. * sysdeps/arm/bsd-setjmp: New file. * sysdeps/arm/bytesex.h: New file. * sysdeps/arm/fpu_control.h: New file. * sysdeps/arm/jmp_buf.h: New file. * sysdeps/arm/setjmp.h: New file. * sysdeps/arm/sysdep.h: New file. * sysdeps/unix/arm/config.h: New file. 1997-04-14 04:03 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-ieee754/s_cproj.c: New file. * sysdeps/libm-ieee754/s_cprojf.c: New file. * sysdeps/libm-ieee754/s_cprojl.c: New file.
414 lines
11 KiB
C
414 lines
11 KiB
C
/* Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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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 the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <nss.h>
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#include <netdb.h>
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#include <errno.h>
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#include <ctype.h>
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#include <string.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <libc-lock.h>
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#include <rpcsvc/nis.h>
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#include <rpcsvc/nislib.h>
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#include "nss-nisplus.h"
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__libc_lock_define_initialized (static, lock)
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static nis_result *result = NULL;
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static nis_name *names = NULL;
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#define NISENTRYVAL(idx,col,res) \
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((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
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#define NISENTRYLEN(idx,col,res) \
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((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
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/* Get implementation for some internal functions. */
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#include "../../resolv/mapv4v6addr.h"
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#include "../../resolv/mapv4v6hostent.h"
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#define ENTNAME hostent
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#define DATABASE "hosts"
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#define NEED_H_ERRNO
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#define ENTDATA hostent_data
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struct hostent_data
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{
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unsigned char host_addr[16]; /* IPv4 or IPv6 address. */
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char *h_addr_ptrs[2]; /* Points to that and null terminator. */
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};
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#define TRAILING_LIST_MEMBER h_aliases
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#define TRAILING_LIST_SEPARATOR_P isspace
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#include "../../nss/nss_files/files-parse.c"
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LINE_PARSER
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("#",
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{
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char *addr;
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STRING_FIELD (addr, isspace, 1);
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/* Parse address. */
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if ((_res.options & RES_USE_INET6)
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&& inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
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{
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result->h_addrtype = AF_INET6;
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result->h_length = IN6ADDRSZ;
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}
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else
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if (inet_pton (AF_INET, addr, entdata->host_addr) > 0)
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{
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if (_res.options & RES_USE_INET6)
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{
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map_v4v6_address ((char *) entdata->host_addr,
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(char *) entdata->host_addr);
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result->h_addrtype = AF_INET6;
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result->h_length = IN6ADDRSZ;
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}
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else
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{
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result->h_addrtype = AF_INET;
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result->h_length = INADDRSZ;
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}
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}
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else
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/* Illegal address: ignore line. */
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return 0;
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/* Store a pointer to the address in the expected form. */
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entdata->h_addr_ptrs[0] = entdata->host_addr;
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entdata->h_addr_ptrs[1] = NULL;
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result->h_addr_list = entdata->h_addr_ptrs;
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/* If we need the host entry in IPv6 form change it now. */
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if (_res.options & RES_USE_INET6)
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{
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char *bufptr = data->linebuffer;
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size_t buflen = (char *) data + datalen - bufptr;
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map_v4v6_hostent (result, &bufptr, &buflen);
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}
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STRING_FIELD (result->h_name, isspace, 1);
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}
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)
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static int
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_nss_nisplus_parse_hostent (nis_result *result, struct hostent *host,
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char *buffer, size_t buflen)
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{
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char *p = buffer;
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size_t room_left = buflen;
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int parse_res;
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unsigned int i;
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struct parser_data *data = (void *) buffer;
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if (result == NULL)
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return 0;
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if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
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result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ ||
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strcmp(result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type,
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"hosts_tbl") != 0 ||
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result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len < 4)
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return 0;
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memset (p, '\0', room_left);
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/* Generate the hosts entry format and use the normal parser */
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if (NISENTRYLEN (0, 2, result) + 1 > room_left)
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{
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__set_errno (ERANGE);
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return 0;
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}
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strncpy (p, NISENTRYVAL (0, 2, result),
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NISENTRYLEN (0, 2, result));
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room_left -= (NISENTRYLEN (0, 2, result) + 1);
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if (NISENTRYLEN (0, 0, result) + 1 > room_left)
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{
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__set_errno (ERANGE);
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return 0;
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}
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strcat (p, "\t");
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strncat (p, NISENTRYVAL (0, 0, result), NISENTRYLEN (0, 0, result));
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room_left -= (NISENTRYLEN (0, 0, result) + 1);
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/* + 1: We overwrite the last \0 */
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for (i = 1; i < result->objects.objects_len; i++)
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{
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if (NISENTRYLEN (i, 1, result) + 1 > room_left)
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{
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__set_errno (ERANGE);
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return 0;
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}
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strcat (p, " ");
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strcat (p, NISENTRYVAL (i, 1, result));
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room_left -= (NISENTRYLEN (i, 1, result) + 1);
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}
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parse_res = parse_line (p, host, data, buflen);
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return parse_res;
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}
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enum nss_status
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_nss_nisplus_sethostent (void)
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{
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__libc_lock_lock (lock);
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if (result)
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nis_freeresult (result);
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result = NULL;
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if (names)
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{
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nis_freenames (names);
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names = NULL;
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}
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__libc_lock_unlock (lock);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nisplus_endhostent (void)
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{
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__libc_lock_lock (lock);
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if (result)
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nis_freeresult (result);
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result = NULL;
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if (names)
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{
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nis_freenames (names);
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names = NULL;
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}
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__libc_lock_unlock (lock);
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return NSS_STATUS_SUCCESS;
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}
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static enum nss_status
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internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
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size_t buflen, int *herrnop)
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{
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int parse_res;
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/* Get the next entry until we found a correct one. */
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do
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{
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if (result == NULL)
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{
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names = nis_getnames("hosts.org_dir");
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if (names == NULL || names[0] == NULL)
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return NSS_STATUS_UNAVAIL;
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result = nis_first_entry(names[0]);
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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{
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int retval;
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retval = niserr2nss (result->status);
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if (retval == NSS_STATUS_TRYAGAIN)
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{
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*herrnop = NETDB_INTERNAL;
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__set_errno (EAGAIN);
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}
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return retval;
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}
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}
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else
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{
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nis_result *res2;
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res2 = nis_next_entry(names[0], &result->cookie);
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nis_freeresult (result);
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result = res2;
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if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
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{
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int retval;
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retval = niserr2nss (result->status);
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if (retval == NSS_STATUS_TRYAGAIN)
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{
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*herrnop = NETDB_INTERNAL;
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__set_errno (EAGAIN);
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}
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return retval;
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}
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}
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parse_res = _nss_nisplus_parse_hostent (result, host, buffer, buflen);
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if (!parse_res && errno == ERANGE)
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{
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*herrnop = NETDB_INTERNAL;
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return NSS_STATUS_TRYAGAIN;
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}
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} while (!parse_res);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nisplus_gethostent_r (struct hostent *result, char *buffer,
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size_t buflen, int *herrnop)
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{
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int status;
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__libc_lock_lock (lock);
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status = internal_nisplus_gethostent_r (result, buffer, buflen, herrnop);
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__libc_lock_unlock (lock);
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return status;
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}
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enum nss_status
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_nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
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char *buffer, size_t buflen, int *herrnop)
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{
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int parse_res, retval;
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if (name == NULL)
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{
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__set_errno (EINVAL);
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*herrnop = NETDB_INTERNAL;
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return NSS_STATUS_NOTFOUND;
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}
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else
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{
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nis_result *result;
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char buf[strlen (name) + 255];
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/* Search at first in the alias list, and use the correct name
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for the next search */
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sprintf(buf, "[name=%s],hosts.org_dir", name);
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result = nis_list(buf, EXPAND_NAME, NULL, NULL);
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/* If we do not find it, try it as original name. But if the
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database is correct, we should find it in the first case, too */
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if ((result->status != NIS_SUCCESS &&
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result->status != NIS_S_SUCCESS) ||
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result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ ||
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strcmp(result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type,
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"hosts_tbl") != 0 ||
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result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len
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< 3)
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sprintf(buf, "[cname=%s],hosts.org_dir", name);
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else
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sprintf(buf, "[cname=%s],hosts.org_dir", NISENTRYVAL(0, 0, result));
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nis_freeresult (result);
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result = nis_list(buf, EXPAND_NAME, NULL, NULL);
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retval = niserr2nss (result->status);
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if (retval != NSS_STATUS_SUCCESS)
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{
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if (retval == NSS_STATUS_TRYAGAIN)
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{
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__set_errno (EAGAIN);
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*herrnop = NETDB_INTERNAL;
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}
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nis_freeresult (result);
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return retval;
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}
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parse_res = _nss_nisplus_parse_hostent (result, host, buffer, buflen);
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nis_freeresult (result);
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if (parse_res)
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return NSS_STATUS_SUCCESS;
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*herrnop = NETDB_INTERNAL;
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if (!parse_res && errno == ERANGE)
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return NSS_STATUS_TRYAGAIN;
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else
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return NSS_STATUS_NOTFOUND;
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}
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}
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enum nss_status
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_nss_nisplus_gethostbyname_r (const char *name, struct hostent *host,
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char *buffer, size_t buflen, int *h_errnop)
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{
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if (_res.options & RES_USE_INET6)
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{
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enum nss_status status;
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status = _nss_nisplus_gethostbyname2_r (name, AF_INET6, host, buffer,
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buflen, h_errnop);
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if (status == NSS_STATUS_SUCCESS)
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return status;
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}
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return _nss_nisplus_gethostbyname2_r (name, AF_INET, host, buffer,
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buflen, h_errnop);
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}
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enum nss_status
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_nss_nisplus_gethostbyaddr_r (const char *addr, struct hostent *host,
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char *buffer, size_t buflen, int *herrnop)
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{
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if (addr == NULL)
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return NSS_STATUS_NOTFOUND;
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else
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{
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nis_result *result;
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char buf[24 + strlen (addr)];
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int retval, parse_res;
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sprintf(buf, "[addr=%s],hosts.org_dir", addr);
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result = nis_list(buf, EXPAND_NAME, NULL, NULL);
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retval = niserr2nss (result->status);
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if (retval != NSS_STATUS_SUCCESS)
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{
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if (retval == NSS_STATUS_TRYAGAIN)
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{
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__set_errno (EAGAIN);
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*herrnop = NETDB_INTERNAL;
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}
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nis_freeresult (result);
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return retval;
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}
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parse_res = _nss_nisplus_parse_hostent (result, host, buffer, buflen);
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nis_freeresult (result);
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if (parse_res)
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return NSS_STATUS_SUCCESS;
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*herrnop = NETDB_INTERNAL;
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if (!parse_res && errno == ERANGE)
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return NSS_STATUS_TRYAGAIN;
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else
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return NSS_STATUS_NOTFOUND;
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}
|
|
}
|