Update.
2000-08-30 Ulrich Drepper <drepper@redhat.com> * iconvdata/Makefile (tests): Add tst-loading. * iconvdata/tst-loading.c: New file.
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@ -1,3 +1,8 @@
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2000-08-30 Ulrich Drepper <drepper@redhat.com>
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* iconvdata/Makefile (tests): Add tst-loading.
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* iconvdata/tst-loading.c: New file.
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2000-08-29 Bruno Haible <haible@clisp.cons.org>
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2000-08-29 Bruno Haible <haible@clisp.cons.org>
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* stdio-common/vfscanf.c (_IO_vfscanf): Back out last ungetc change.
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* stdio-common/vfscanf.c (_IO_vfscanf): Back out last ungetc change.
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@ -49,7 +49,7 @@ modules := ISO8859-1 ISO8859-2 ISO8859-3 ISO8859-4 ISO8859-5 \
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modules.so := $(addsuffix .so, $(modules))
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modules.so := $(addsuffix .so, $(modules))
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tests = bug-iconv1 bug-iconv2
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tests = bug-iconv1 bug-iconv2 tst-loading
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include ../Makeconfig
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include ../Makeconfig
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@ -0,0 +1,184 @@
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/* Tests for loading and unloading of iconv modules.
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Copyright (C) 2000 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>, 2000.
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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 <iconv.h>
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#include <mcheck.h>
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#include <stdio.h>
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#include <stdlib.h>
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/* How many load/unload operations do we do. */
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#define TEST_ROUNDS 5000
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enum state { unloaded, loaded };
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struct
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{
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const char *name;
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enum state state;
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iconv_t cd;
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} modules[] =
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{
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#define MODULE(Name) { .name = #Name, .state = unloaded }
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MODULE (ISO-8859-1),
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MODULE (ISO-8859-2),
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MODULE (ISO-8859-3),
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MODULE (ISO-8859-4),
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MODULE (ISO-8859-5),
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MODULE (ISO-8859-6),
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MODULE (ISO-8859-15),
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MODULE (EUC-JP),
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MODULE (EUC-KR),
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MODULE (EUC-CN),
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MODULE (EUC-TW),
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MODULE (SJIS),
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MODULE (UHC),
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MODULE (KOI8-R),
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MODULE (BIG5),
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MODULE (BIG5HKSCS)
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};
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#define nmodules (sizeof (modules) / sizeof (modules[0]))
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/* The test data. */
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static const char inbuf[] = "\
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The first step is the function to create a handle.
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- Function: iconv_t iconv_open (const char *TOCODE, const char
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*FROMCODE)
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The `iconv_open' function has to be used before starting a
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conversion. The two parameters this function takes determine the
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source and destination character set for the conversion and if the
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implementation has the possibility to perform such a conversion the
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function returns a handle.
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If the wanted conversion is not available the function returns
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`(iconv_t) -1'. In this case the global variable `errno' can have
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the following values:
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`EMFILE'
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The process already has `OPEN_MAX' file descriptors open.
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`ENFILE'
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The system limit of open file is reached.
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`ENOMEM'
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Not enough memory to carry out the operation.
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`EINVAL'
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The conversion from FROMCODE to TOCODE is not supported.
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It is not possible to use the same descriptor in different threads
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to perform independent conversions. Within the data structures
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associated with the descriptor there is information about the
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conversion state. This must not be messed up by using it in
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different conversions.
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An `iconv' descriptor is like a file descriptor as for every use a
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new descriptor must be created. The descriptor does not stand for
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all of the conversions from FROMSET to TOSET.
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The GNU C library implementation of `iconv_open' has one
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significant extension to other implementations. To ease the
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extension of the set of available conversions the implementation
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allows storing the necessary files with data and code in
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arbitrarily many directories. How this extension has to be
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written will be explained below (*note glibc iconv
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Implementation::). Here it is only important to say that all
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directories mentioned in the `GCONV_PATH' environment variable are
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considered if they contain a file `gconv-modules'. These
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directories need not necessarily be created by the system
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administrator. In fact, this extension is introduced to help users
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writing and using their own, new conversions. Of course this does
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not work for security reasons in SUID binaries; in this case only
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the system directory is considered and this normally is
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`PREFIX/lib/gconv'. The `GCONV_PATH' environment variable is
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examined exactly once at the first call of the `iconv_open'
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function. Later modifications of the variable have no effect.
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";
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int
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main (void)
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{
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int count = TEST_ROUNDS;
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int result = 0;
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mtrace ();
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/* Just a seed. */
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srandom (TEST_ROUNDS);
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while (count--)
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{
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int idx = random () % nmodules;
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if (modules[idx].state == unloaded)
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{
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char outbuf[10000];
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char *inptr = (char *) inbuf;
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size_t insize = sizeof (inbuf) - 1;
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char *outptr = outbuf;
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size_t outsize = sizeof (outbuf);
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/* Load the module and do the conversion. */
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modules[idx].cd = iconv_open ("UTF-8", modules[idx].name);
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if (modules[idx].cd == (iconv_t) -1)
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{
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printf ("opening of %s failed: %m\n", modules[idx].name);
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result = 1;
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break;
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}
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modules[idx].state = loaded;
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/* Now a simple test. */
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if (iconv (modules[idx].cd, &inptr, &insize, &outptr, &outsize) != 0
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|| *inptr != '\0')
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{
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printf ("conversion with %s failed\n", modules[idx].name);
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result = 1;
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}
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}
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else
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{
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/* Unload the module. */
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if (iconv_close (modules[idx].cd) != 0)
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{
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printf ("closing of %s failed: %m\n", modules[idx].name);
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result = 1;
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break;
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}
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modules[idx].state = unloaded;
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}
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}
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for (count = 0; count < nmodules; ++count)
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if (modules[count].state == loaded && iconv_close (modules[count].cd) != 0)
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{
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printf ("closing of %s failed: %m\n", modules[count].name);
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result = 1;
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}
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return result;
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}
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