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Diffstat (limited to 'REORG.TODO/iconvdata/tst-loading.c')
| -rw-r--r-- | REORG.TODO/iconvdata/tst-loading.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/REORG.TODO/iconvdata/tst-loading.c b/REORG.TODO/iconvdata/tst-loading.c new file mode 100644 index 0000000000..4aac51c7a4 --- /dev/null +++ b/REORG.TODO/iconvdata/tst-loading.c @@ -0,0 +1,185 @@ +/* Tests for loading and unloading of iconv modules. + Copyright (C) 2000-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <iconv.h> +#include <mcheck.h> +#include <stdio.h> +#include <stdlib.h> + + +/* How many load/unload operations do we do. */ +#define TEST_ROUNDS 5000 + + +enum state { unloaded, loaded }; + +struct +{ + const char *name; + enum state state; + iconv_t cd; +} modules[] = +{ +#define MODULE(Name) { .name = #Name, .state = unloaded } + MODULE (ISO-8859-1), + MODULE (ISO-8859-2), + MODULE (ISO-8859-3), + MODULE (ISO-8859-4), + MODULE (ISO-8859-5), + MODULE (ISO-8859-6), + MODULE (ISO-8859-15), + MODULE (EUC-JP), + MODULE (EUC-KR), + MODULE (EUC-CN), + MODULE (EUC-TW), + MODULE (SJIS), + MODULE (UHC), + MODULE (KOI8-R), + MODULE (BIG5), + MODULE (BIG5HKSCS) +}; +#define nmodules (sizeof (modules) / sizeof (modules[0])) + + +/* The test data. */ +static const char inbuf[] = +"The first step is the function to create a handle.\n" +"\n" +" - Function: iconv_t iconv_open (const char *TOCODE, const char\n" +" *FROMCODE)\n" +" The `iconv_open' function has to be used before starting a\n" +" conversion. The two parameters this function takes determine the\n" +" source and destination character set for the conversion and if the\n" +" implementation has the possibility to perform such a conversion the\n" +" function returns a handle.\n" +"\n" +" If the wanted conversion is not available the function returns\n" +" `(iconv_t) -1'. In this case the global variable `errno' can have\n" +" the following values:\n" +"\n" +" `EMFILE'\n" +" The process already has `OPEN_MAX' file descriptors open.\n" +"\n" +" `ENFILE'\n" +" The system limit of open file is reached.\n" +"\n" +" `ENOMEM'\n" +" Not enough memory to carry out the operation.\n" +"\n" +" `EINVAL'\n" +" The conversion from FROMCODE to TOCODE is not supported.\n" +"\n" +" It is not possible to use the same descriptor in different threads\n" +" to perform independent conversions. Within the data structures\n" +" associated with the descriptor there is information about the\n" +" conversion state. This must not be messed up by using it in\n" +" different conversions.\n" +"\n" +" An `iconv' descriptor is like a file descriptor as for every use a\n" +" new descriptor must be created. The descriptor does not stand for\n" +" all of the conversions from FROMSET to TOSET.\n" +"\n" +" The GNU C library implementation of `iconv_open' has one\n" +" significant extension to other implementations. To ease the\n" +" extension of the set of available conversions the implementation\n" +" allows storing the necessary files with data and code in\n" +" arbitrarily many directories. How this extension has to be\n" +" written will be explained below (*note glibc iconv\n" +" Implementation::). Here it is only important to say that all\n" +" directories mentioned in the `GCONV_PATH' environment variable are\n" +" considered if they contain a file `gconv-modules'. These\n" +" directories need not necessarily be created by the system\n" +" administrator. In fact, this extension is introduced to help users\n" +" writing and using their own, new conversions. Of course this does\n" +" not work for security reasons in SUID binaries; in this case only\n" +" the system directory is considered and this normally is\n" +" `PREFIX/lib/gconv'. The `GCONV_PATH' environment variable is\n" +" examined exactly once at the first call of the `iconv_open'\n" +" function. Later modifications of the variable have no effect.\n"; + + +static int +do_test (void) +{ + size_t count = TEST_ROUNDS; + int result = 0; + + mtrace (); + + /* Just a seed. */ + srandom (TEST_ROUNDS); + + while (count--) + { + int idx = random () % nmodules; + + if (modules[idx].state == unloaded) + { + char outbuf[10000]; + char *inptr = (char *) inbuf; + size_t insize = sizeof (inbuf) - 1; + char *outptr = outbuf; + size_t outsize = sizeof (outbuf); + + /* Load the module and do the conversion. */ + modules[idx].cd = iconv_open ("UTF-8", modules[idx].name); + + if (modules[idx].cd == (iconv_t) -1) + { + printf ("opening of %s failed: %m\n", modules[idx].name); + result = 1; + break; + } + + modules[idx].state = loaded; + + /* Now a simple test. */ + if (iconv (modules[idx].cd, &inptr, &insize, &outptr, &outsize) != 0 + || *inptr != '\0') + { + printf ("conversion with %s failed\n", modules[idx].name); + result = 1; + } + } + else + { + /* Unload the module. */ + if (iconv_close (modules[idx].cd) != 0) + { + printf ("closing of %s failed: %m\n", modules[idx].name); + result = 1; + break; + } + + modules[idx].state = unloaded; + } + } + + for (count = 0; count < nmodules; ++count) + if (modules[count].state == loaded && iconv_close (modules[count].cd) != 0) + { + printf ("closing of %s failed: %m\n", modules[count].name); + result = 1; + } + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |