6973fc0127
1997-11-18 02:31 Ulrich Drepper <drepper@cygnus.com> * iconv/Makefile: New file. * iconv/gconv.c: New file. * iconv/gconv.h: New file. * iconv/gconv_builtin.c: New file. * iconv/gconv_builtin.h: New file. * iconv/gconv_close.c: New file. * iconv/gconv_conf.c: New file. * iconv/gconv_db.c: New file. * iconv/gconv_dl.c: New file. * iconv/gconv_open.c: New file. * iconv/gconv_simple.c: New file. * iconv/iconv.c: New file. * iconv/iconv.h: New file. * iconv/iconv_close.c: New file. * iconv/iconv_open.c: New file. * include/gconv.h: New file. * Makeconfig: Define gconvdir. * Makefile (subdirs): Add iconv. * string/bits/string2.h: Add optimization for strtok_r. * sysdeps/generic/_G_config.h: Define __need_NULL to get definition for NULL. Reported by H.J. Lu <hjl@gnu.ai.mit.edu>. * configure.in: Correct test for bash2. * locale/Makefile (CFLAGS-charmap.c): Add -Wno-char-subscripts. (CFLAGS-locfile.c): Likewise. Suggested by Zack Weinberg <zack@rabi.phys.columbia.edu>. * misc/hsearch_r.c (hsearch_r): Avoid undefinitely search for non-existing entry if the table is full. * posix/regex.h: Pretty print. * stdio-common/printf_fp.c: Don't define NDEBUG if already defined. * sysdeps/posix/ctermid.c: Simplify a bit. * sysdeps/unix/sysv/linux/net/if.h: Pretty print. 1997-11-17 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/quota.h: Add include for <sys/types.h> instead of <asm/types.h>. 1997-11-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (asin_test): Add epsilon for asin (0.5). 1997-11-16 17:09 H.J. Lu <hjl@gnu.ai.mit.edu> * libc.map (_IO_stdin_, _IO_stdout_, _IO_stderr_, _IO_fopen, fopen, freopen, _IO_fclose, fclose): Added to GLIBC_2.0. (_IO_stdin_, _IO_stdout_, _IO_stderr_): Removed from GLIBC_2.1. (_IO_2_1_stdin_, _IO_2_1_stdout_, _IO_2_1_stderr_, _IO_fclose, fclose): Added to GLIBC_2.1. * libio/Makefile (routines, shared-only-routines): Add oldiofclose. Remove oldfreopen. * libio/freopen.c (freopen): When PIC is defined, call _IO_old_freopen () for old stdio. * libio/iofclose.c (_IO_new_fclose): Renamed from _IO_fclose. (_IO_fclose, fclose): Use _IO_new_fclose as default version for GLIBC_2.1. * libio/iolibio.h (_IO_old_freopen): Use _IO_old_file_close_it instead of _IO_file_close_it. * libio/libio.h (_IO_stdin_, _IO_stdout_, _IO_stderr_): Changed to _IO_2_1_stdxxx_. (_IO_stdin, _IO_stdout, _IO_stderr): Declare as extern if _LIBC * libio/libioP.h (_IO_old_do_flush): New. * libio/oldfileops.c (_IO_old_file_close_it, _IO_old_file_finish, _IO_old_file_overflow, _IO_old_file_sync): Call _IO_old_do_flush () instead of _IO_do_flush (). (_IO_old_file_xsputn): Call _IO_old_do_write () instead of _IO_do_write (). * libio/oldiofopen.c (_IO_old_fopen): Call _IO_old_file_init () instead of _IO_file_init (). Bind old symbols to version GLIBC_2.0. * libio/oldstdfiles.c (DEF_STDFILE): Don't use symbol_version. (_IO_old_stdin_, _IO_old_stdout_, _IO_old_stderr_): Changed to _IO_stdxxx_. (_IO_check_libio): New function in .init. * libio/oldiofclose.c: New file. * libio/stdfiles.c (_IO_new_stdin_, _IO_new_stdout_, _IO_new_stderr_): Changed to _IO_2_1_stdxxx_. (DEF_STDFILE): Don't use default_symbol_version. * libio/stdio.c (stdin, stdout, stderr): Set to _IO_2_1_stdxxx_._ (_IO_stdin, _IO_stdout, _IO_stderr): New, strong alias of stdxxx. * csu/Makefile (distribute): Add init.c. (extra-objs): Add init.o for ELF. (start-installed-name): Add $(objpfx)init.o. * csu/init.c: New file. 1997-11-12 08:02 H.J. Lu <hjl@gnu.ai.mit.edu> * elf/dl-lookup.c (do_lookup): Don't use the hidden base definition as the default. 1997-08-27 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> * erand48_r.c (__erand48_r): Implement for 32 bit short int. 1997-11-15 Andreas Jaeger <aj@arthur.rhein-neckar.de> * elf/genrtldtbl.awk: Replace gensub for compatibility with gawk2 (PR 351). 1997-11-16 21:01 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/arm/sysdep.h: Use __APCS_32__ to decide whether or not to preserve condition codes on function call. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/s_exp2l.c: Change exp2l to __ieee754_exp2l. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c (asin_test): Add epsilon for float. (tan_test): Add epsilon for float. (log1p_test): Add epsilon for float. (inverse_functions): Add epsilons. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [socket]: Add net/if_packet.h. * sysdeps/unix/sysv/linux/Dist: Add net/if_packet.h. 1997-11-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * md5-crypt/Makefile (extra-objs): Make recursively expanded variable, since $(object-suffixes) is not defined yet. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * db2/Makefile (distribute): db185/db185_int.src -> db185/db185_int.h. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * misc/tst-fdset.c: Don't require the value of FD_ISSET to be exactly one. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/e_acoshl.c: Fix stub_warning: use the user level * sysdeps/generic/e_acosl.c: Likewise. * sysdeps/generic/e_asinl.c: Likewise. * sysdeps/generic/e_atan2l.c: Likewise. * sysdeps/generic/e_expl.c: Likewise. * sysdeps/generic/e_fmodl.c: Likewise. * sysdeps/generic/e_j0l.c: Likewise. * sysdeps/generic/e_j1l.c: Likewise. * sysdeps/generic/e_jnl.c: Likewise. * sysdeps/generic/e_lgammal_r.c: Likewise. * sysdeps/generic/e_log10l.c: Likewise. * sysdeps/generic/e_logl.c: Likewise. * sysdeps/generic/e_powl.c: Likewise. * sysdeps/generic/e_sqrtl.c: Likewise. * sysdeps/generic/e_exp2l.c: Likewise. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Make-dist (+sysdep-names): Remove extra paren. * Makefile (distribute): Add stub-tag.h. * elf/Makefile (distribute): Add atomicity.h. * stdlib/Makefile (headers): Add ucontext.h and sys/ucontext.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=socket]: Add net/if_packet.h. * sysdeps/alpha/Dist: Remove setjmp_aux.c. * sysdeps/unix/sysv/linux/Dist: Add s_pread64.c, s_pwrite64.c, net/if_packet.h, scsi/sg.h. 1997-11-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (install): Quote $(CC) expansion. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/getcwd.c (__getcwd): Added caching of working /proc cwd and no restrictions on path length. Following some ideas from Andi Kleen <ak@muc.de> (PR 350). 1997-11-14 19:14 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-grp.c: Remove buggy assert call. 1997-11-14 22:23 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fdim.S: New file. * sysdeps/libm-i387/s_fdimf.S: New file. * sysdeps/libm-i387/s_fdiml.S: New file. * sysdeps/libm-i387/i686/s_fdim.S: New file. * sysdeps/libm-i387/i686/s_fdimf.S: New file. * sysdeps/libm-i387/i686/s_fdiml.S: New file. 1997-11-12 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * string/bits/string2.h (strstr): Avoid warning if HAYSTACK is a pointer to unsigned char. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_llrintf.c (__llrintf): Fix function. * sysdeps/libm-ieee754/s_lrintf.c (__lrintf): Fix function. * sysdeps/libm-ieee754/s_lrint.c (__lrint): Fix function. 1997-11-12 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_ilogbf.c: Correct return values for ilogb(0/NaN). * sysdeps/libm-ieee754/s_ilogbl.c: Likewise. * sysdeps/libm-ieee754/s_ilogb.c: Likewise. 1997-11-14 05:44 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fmin.S: New file. * sysdeps/libm-i387/s_fminf.S: New file. * sysdeps/libm-i387/s_fminl.S: New file. * sysdeps/libm-i387/s_fmax.S: New file. * sysdeps/libm-i387/s_fmaxf.S: New file. * sysdeps/libm-i387/s_fmaxl.S: New file. * sysdeps/libm-i387/i686/s_fmin.S: New file. * sysdeps/libm-i387/i686/s_fminf.S: New file. * sysdeps/libm-i387/i686/s_fminl.S: New file. * sysdeps/libm-i387/i686/s_fmax.S: New file. * sysdeps/libm-i387/i686/s_fmaxf.S: New file. * sysdeps/libm-i387/i686/s_fmaxl.S: New file. 1997-11-14 03:06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/accept.S: Add __libc_accept as alias. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. Reported by Christopher Wiles <wileyc@ai.cs.fujitsu.co.jp>. See ChangeLog.7 for earlier changes.
421 lines
11 KiB
C
421 lines
11 KiB
C
/* Handle configuration data.
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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 Ulrich Drepper <drepper@cygnus.com>, 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 <ctype.h>
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#include <gconv.h>
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#include <search.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/param.h>
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/* This is the default path where we look for module lists. */
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static const char default_gconv_path[] = GCONV_PATH;
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/* Name of the file containing the module information in the directories
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along the path. */
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static const char gconv_conf_filename[] = "gconv-modules";
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/* We have a few builtin transformations. */
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static struct gconv_module builtin_modules[] =
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{
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#define BUILTIN_TRANSFORMATION(From, ConstPfx, ConstLen, To, Cost, Name, \
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Fct, Init, End) \
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{ \
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from_pattern: From, \
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from_constpfx: ConstPfx, \
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from_constpfx_len: ConstLen, \
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from_regex: NULL, \
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to_string: To, \
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cost: Cost, \
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module_name: Name \
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},
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#include "gconv_builtin.h"
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};
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/* Function for searching module. */
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static int
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module_compare (const void *p1, const void *p2)
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{
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struct gconv_module *s1 = (struct gconv_module *) p1;
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struct gconv_module *s2 = (struct gconv_module *) p2;
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int result;
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if (s1->from_pattern == NULL)
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{
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if (s2->from_pattern == NULL)
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result = strcmp (s1->from_constpfx, s2->from_constpfx);
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else
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result = -1;
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}
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else if (s2->from_pattern == NULL)
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result = 1;
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else
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result = strcmp (s1->from_pattern, s2->from_pattern);
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if (result == 0)
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result = strcmp (s1->to_string, s2->to_string);
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return result;
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}
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/* Add new alias. */
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static inline void
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add_alias (char *rp)
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{
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/* We now expect two more string. The strings are normalized
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(converted to UPPER case) and strored in the alias database. */
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struct gconv_alias *new_alias;
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char *from, *to, *wp;
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while (isspace (*rp))
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++rp;
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from = wp = rp;
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while (*rp != '\0' && !isspace (*rp))
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++rp;
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if (*rp == '\0')
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/* There is no `to' string on the line. Ignore it. */
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return;
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*rp++ = '\0';
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to = wp = rp;
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while (isspace (*rp))
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++rp;
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while (*rp != '\0' && !isspace (*rp))
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*wp++ = *rp++;
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if (to == wp)
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/* No `to' string, ignore the line. */
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return;
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*wp++ = '\0';
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new_alias = (struct gconv_alias *)
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malloc (sizeof (struct gconv_alias) + (wp - from));
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new_alias->fromname = memcpy ((char *) new_alias
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+ sizeof (struct gconv_alias),
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from, to - from);
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new_alias->toname = memcpy ((char *) new_alias + sizeof (struct gconv_alias)
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+ (to - from), to, wp - to);
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if (__tsearch (new_alias, &__gconv_alias_db, __gconv_alias_compare) == NULL)
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/* Something went wrong, free this entry. */
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free (new_alias);
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}
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/* Add new module. */
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static inline void
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add_module (char *rp, const char *directory, size_t dir_len, void **modules,
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size_t *nmodules)
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{
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/* We expect now
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1. `from' name
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2. `to' name
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3. filename of the module
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4. an optional cost value
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*/
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struct gconv_module *new_module;
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char *from, *to, *module, *wp;
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size_t const_len;
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int from_is_regex;
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int cost;
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while (isspace (*rp))
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++rp;
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from = rp;
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from_is_regex = 0;
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while (*rp != '\0' && !isspace (*rp))
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{
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if (!isalnum (*rp) && *rp != '-' && *rp != '/' && *rp != '.'
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&& *rp != '_')
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from_is_regex = 1;
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++rp;
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}
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if (*rp == '\0')
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return;
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*rp++ = '\0';
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to = wp = rp;
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while (isspace (*rp))
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++rp;
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while (*rp != '\0' && !isspace (*rp))
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*wp++ = *rp++;
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if (*rp == '\0')
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return;
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*wp++ = '\0';
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do
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++rp;
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while (isspace (*rp));
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module = wp;
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while (*rp != '\0' && !isspace (*rp))
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*wp++ = *rp++;
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if (*rp == '\0')
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{
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/* There is no cost, use one by default. */
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*wp++ = '\0';
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cost = 1;
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}
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else
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{
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/* There might be a cost value. */
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char *endp;
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*wp++ = '\0';
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cost = strtol (rp, &endp, 10);
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if (rp == endp)
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/* No useful information. */
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cost = 1;
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}
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if (module[0] == '\0')
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/* No module name given. */
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return;
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if (module[0] == '/')
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dir_len = 0;
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else
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/* Increment by one for the slash. */
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++dir_len;
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/* We've collected all the information, now create an entry. */
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const_len = 0;
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if (from_is_regex)
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do
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++const_len;
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while (isalnum (from[const_len]) || from[const_len] == '-'
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|| from[const_len] == '/' || from[const_len] == '.'
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|| from[const_len] == '_');
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new_module = (struct gconv_module *) malloc (sizeof (struct gconv_module)
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+ (wp - from) + const_len
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+ dir_len);
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if (new_module != NULL)
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{
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if (from_is_regex)
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{
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new_module->from_pattern = memcpy ((char *) new_module
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+ sizeof (struct gconv_module),
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from, to - from);
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new_module->from_constpfx = memcpy ((char *) new_module->from_pattern
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+ (to - from),
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from, const_len);
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((char *) new_module->from_constpfx)[const_len] = '\0';
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new_module->from_constpfx_len = const_len;
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++const_len;
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}
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else
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{
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new_module->from_pattern = NULL;
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new_module->from_constpfx = memcpy ((char *) new_module
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+ sizeof (struct gconv_module),
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from, to - from);
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new_module->from_constpfx_len = to - from - 1;
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const_len = to - from;
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}
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new_module->from_regex = NULL;
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new_module->to_string = memcpy ((char *) new_module->from_constpfx
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+ const_len + 1, to, module - to);
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new_module->cost = cost;
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if (dir_len == 0)
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new_module->module_name = memcpy ((char *) new_module->to_string
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+ (module - to),
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module, wp - module);
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else
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{
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char *tmp;
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new_module->module_name = ((char *) new_module->to_string
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+ (module - to));
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tmp = __mempcpy ((char *) new_module->module_name,
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directory, dir_len - 1);
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*tmp++ = '/';
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memcpy (tmp, module, wp - module);
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}
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if (__tfind (new_module, *modules, module_compare) != NULL)
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if (__tsearch (new_module, modules, module_compare) == NULL)
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/* Something went wrong while inserting the new module. */
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free (new_module);
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else
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++*nmodules;
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}
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}
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static void
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insert_module (const void *nodep, VISIT value, int level)
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{
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if (value == preorder || value == leaf)
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__gconv_modules_db[__gconv_nmodules++] = (struct gconv_module *) nodep;
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}
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static void
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nothing (void *unused __attribute__ ((unused)))
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{
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}
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/* Read the next configuration file. */
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static void
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internal_function
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read_conf_file (const char *filename, const char *directory, size_t dir_len,
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void **modules, size_t *nmodules)
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{
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FILE *fp = fopen (filename, "r");
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char *line = NULL;
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size_t line_len = 0;
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/* Don't complain if a file is not present or readable, simply silently
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ignore it. */
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if (fp == NULL)
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return;
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/* Process the known entries of the file. Comments start with `#' and
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end with the end of the line. Empty lines are ignored. */
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while (!feof (fp))
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{
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char *rp, *endp, *word;
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ssize_t n = __getdelim (&line, &line_len, '\n', fp);
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if (n < 0)
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/* An error occurred. */
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break;
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rp = line;
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while (isspace (*rp))
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++rp;
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/* Terminate the line (excluding comments or newline) by an NUL byte
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to simplify the following code. */
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endp = strchr (rp, '#');
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if (endp != NULL)
|
|
*endp = '\0';
|
|
else
|
|
{
|
|
endp = strchr (rp, '\n');
|
|
if (endp != NULL)
|
|
*endp = '\0';
|
|
}
|
|
|
|
/* If this is an empty line go on with the next one. */
|
|
if (rp == endp)
|
|
continue;
|
|
|
|
word = rp;
|
|
while (*rp != '\0' && !isspace (*rp))
|
|
++rp;
|
|
|
|
if (rp - word == sizeof ("alias") - 1
|
|
&& memcpy (word, "alias", sizeof ("alias") - 1) == 0)
|
|
add_alias (rp);
|
|
else if (rp - word == sizeof ("module") - 1
|
|
&& memcpy (word, "module", sizeof ("module") - 1) == 0)
|
|
add_module (rp, directory, dir_len, modules, nmodules);
|
|
/* else */
|
|
/* Otherwise ignore the line. */
|
|
}
|
|
|
|
if (line != NULL)
|
|
free (line);
|
|
fclose (fp);
|
|
}
|
|
|
|
|
|
/* Read all configuration files found in the user-specified and the default
|
|
path. */
|
|
void
|
|
__gconv_read_conf (void)
|
|
{
|
|
const char *user_path = __secure_getenv ("GCONV_PATH");
|
|
char *gconv_path, *elem;
|
|
void *modules = NULL;
|
|
size_t nmodules = 0;
|
|
|
|
if (user_path == NULL)
|
|
/* No user-defined path. Make a modifiable copy of the default path. */
|
|
gconv_path = strdupa (default_gconv_path);
|
|
else
|
|
{
|
|
/* Append the default path to the user-defined path. */
|
|
size_t user_len = strlen (user_path);
|
|
char *tmp;
|
|
|
|
gconv_path = alloca (user_len + 1 + sizeof (default_gconv_path));
|
|
tmp = __mempcpy (gconv_path, user_path, user_len);
|
|
*tmp++ = ':';
|
|
__mempcpy (tmp, default_gconv_path, sizeof (default_gconv_path));
|
|
}
|
|
|
|
elem = strtok_r (gconv_path, ":", &gconv_path);
|
|
while (elem != NULL)
|
|
{
|
|
char real_elem[MAXPATHLEN];
|
|
|
|
if (realpath (elem, real_elem) != NULL)
|
|
{
|
|
size_t elem_len = strlen (real_elem);
|
|
char *filename, *tmp;
|
|
|
|
filename = alloca (elem_len + 1 + sizeof (gconv_conf_filename));
|
|
tmp = __mempcpy (filename, real_elem, elem_len);
|
|
*tmp++ = '/';
|
|
__mempcpy (tmp, gconv_conf_filename, sizeof (gconv_conf_filename));
|
|
|
|
/* Read the next configuration file. */
|
|
read_conf_file (filename, real_elem, elem_len, &modules, &nmodules);
|
|
}
|
|
|
|
/* Get next element in the path. */
|
|
elem = strtok_r (NULL, ":", &gconv_path);
|
|
}
|
|
|
|
/* If the configuration files do not contain any valid module specification
|
|
remember this by setting the pointer to the module array to NULL. */
|
|
nmodules = sizeof (builtin_modules) / sizeof (struct gconv_module);
|
|
if (nmodules == 0)
|
|
{
|
|
__gconv_modules_db = NULL;
|
|
return;
|
|
}
|
|
|
|
__gconv_modules_db =
|
|
(struct gconv_module **) malloc (nmodules * sizeof (struct gconv_module));
|
|
if (__gconv_modules_db == NULL)
|
|
/* We cannot do anything. */
|
|
return;
|
|
|
|
/* First insert the builtin transformations. */
|
|
while (__gconv_nmodules < (sizeof (builtin_modules)
|
|
/ sizeof (struct gconv_module)))
|
|
{
|
|
__gconv_modules_db[__gconv_nmodules] =
|
|
&builtin_modules[__gconv_nmodules];
|
|
++__gconv_nmodules;
|
|
}
|
|
|
|
/* Insert all module entries into the array. */
|
|
__twalk (modules, insert_module);
|
|
|
|
/* No remove the tree data structure. */
|
|
__tdestroy (modules, nothing);
|
|
}
|