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a2c5833233
The result of running etc/update-copyright.py --this-year, fixing all the files whose mode is changed by the script, plus a build with --enable-maintainer-mode --enable-cgen-maint=yes, then checking out */po/*.pot which we don't update frequently. The copy of cgen was with commit d1dd5fcc38ead reverted as that commit breaks building of bfp opcodes files.
335 lines
8.3 KiB
C
335 lines
8.3 KiB
C
/* expandargv test program,
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Copyright (C) 2006-2022 Free Software Foundation, Inc.
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Written by Carlos O'Donell <carlos@codesourcery.com>
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This file is part of the libiberty library, which is part of GCC.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combined
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executable.)
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "libiberty.h"
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#include <stdio.h>
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#include <errno.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif
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static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN;
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void writeout_test (int, const char *);
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void run_replaces (char *);
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void hook_char_replace (char *, size_t, char, char);
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int run_tests (const char **);
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void erase_test (int);
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/* Test input data, argv before, and argv after:
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The \n is an important part of test_data since expandargv
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may have to work in environments where \n is translated
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as \r\n. Thus \n is included in the test data for the file.
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We use \b to indicate that the test data is the null character.
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This is because we use \0 normally to represent the end of the
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file data, so we need something else for this. */
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#define FILENAME_PATTERN "test-expandargv-%d.lst"
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#define ARGV0 "test-expandargv"
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const char *test_data[] = {
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/* Test 0 - Check for expansion with \r\n */
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"a\r\nb", /* Test 0 data */
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ARGV0,
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"@test-expandargv-0.lst",
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0, /* End of argv[] before expansion */
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ARGV0,
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"a",
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"b",
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0, /* End of argv[] after expansion */
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/* Test 1 - Check for expansion with \n */
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"a\nb", /* Test 1 data */
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ARGV0,
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"@test-expandargv-1.lst",
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0,
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ARGV0,
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"a",
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"b",
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0,
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/* Test 2 - Check for expansion with \0 */
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"a\bb", /* Test 2 data */
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ARGV0,
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"@test-expandargv-2.lst",
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0,
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ARGV0,
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"a",
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0,
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/* Test 3 - Check for expansion with only \0 */
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"\b", /* Test 3 data */
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ARGV0,
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"@test-expandargv-3.lst",
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0,
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ARGV0,
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0,
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/* Test 4 - Check for options beginning with an empty line. */
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"\na\nb", /* Test 4 data */
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ARGV0,
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"@test-expandargv-4.lst",
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0,
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ARGV0,
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"a",
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"b",
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0,
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/* Test 5 - Check for options containing an empty argument. */
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"a\n''\nb", /* Test 5 data */
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ARGV0,
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"@test-expandargv-5.lst",
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0,
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ARGV0,
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"a",
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"",
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"b",
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0,
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/* Test 6 - Check for options containing a quoted newline. */
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"a\n'a\n\nb'\nb", /* Test 6 data */
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ARGV0,
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"@test-expandargv-6.lst",
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0,
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ARGV0,
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"a",
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"a\n\nb",
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"b",
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0,
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0 /* Test done marker, don't remove. */
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};
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/* Print a fatal error and exit. LINE is the line number where we
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detected the error, ERRMSG is the error message to print, and ERR
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is 0 or an errno value to print. */
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static void
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fatal_error (int line, const char *errmsg, int err)
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{
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fprintf (stderr, "test-expandargv:%d: %s", line, errmsg);
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if (errno != 0)
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fprintf (stderr, ": %s", xstrerror (err));
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fprintf (stderr, "\n");
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exit (EXIT_FAILURE);
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}
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/* hook_char_replace:
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Replace 'replacethis' with 'withthis' */
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void
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hook_char_replace (char *string, size_t len, char replacethis, char withthis)
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{
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int i = 0;
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for (i = 0; i < len; i++)
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if (string[i] == replacethis)
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string[i] = withthis;
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}
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/* run_replaces:
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Hook here all the character for character replaces.
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Be warned that expanding the string or contracting the string
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should be handled with care. */
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void
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run_replaces (char * string)
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{
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/* Store original string size */
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size_t len = strlen (string);
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hook_char_replace (string, len, '\b', '\0');
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}
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/* write_test:
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Write test datafile */
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void
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writeout_test (int test, const char * test_data)
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{
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char filename[256];
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FILE *fd;
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size_t len, sys_fwrite;
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char * parse;
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/* Unique filename per test */
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sprintf (filename, FILENAME_PATTERN, test);
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fd = fopen (filename, "w");
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if (fd == NULL)
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fatal_error (__LINE__, "Failed to create test file.", errno);
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/* Generate RW copy of data for replaces */
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len = strlen (test_data);
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parse = malloc (sizeof (char) * (len + 1));
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if (parse == NULL)
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fatal_error (__LINE__, "Failed to malloc parse.", errno);
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memcpy (parse, test_data, sizeof (char) * (len + 1));
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/* Run all possible replaces */
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run_replaces (parse);
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sys_fwrite = fwrite (parse, sizeof (char), len, fd);
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if (sys_fwrite != len)
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fatal_error (__LINE__, "Failed to write to test file.", errno);
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free (parse);
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fclose (fd);
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}
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/* erase_test:
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Erase the test file */
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void
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erase_test (int test)
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{
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char filename[256];
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sprintf (filename, FILENAME_PATTERN, test);
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if (unlink (filename) != 0)
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fatal_error (__LINE__, "Failed to erase test file.", errno);
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}
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/* run_tests:
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Run expandargv
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Compare argv before and after.
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Return number of fails */
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int
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run_tests (const char **test_data)
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{
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int argc_after, argc_before;
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char ** argv_before, ** argv_after;
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int i, j, k, fails, failed;
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i = j = fails = 0;
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/* Loop over all the tests */
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while (test_data[j])
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{
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/* Write test data */
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writeout_test (i, test_data[j++]);
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/* Copy argv before */
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argv_before = dupargv ((char **) &test_data[j]);
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/* Count argc before/after */
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argc_before = 0;
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argc_after = 0;
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while (test_data[j + argc_before])
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argc_before++;
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j += argc_before + 1; /* Skip null */
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while (test_data[j + argc_after])
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argc_after++;
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/* Copy argv after */
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argv_after = dupargv ((char **) &test_data[j]);
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/* Run all possible replaces */
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for (k = 0; k < argc_before; k++)
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run_replaces (argv_before[k]);
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for (k = 0; k < argc_after; k++)
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run_replaces (argv_after[k]);
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/* Run test: Expand arguments */
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expandargv (&argc_before, &argv_before);
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failed = 0;
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/* Compare size first */
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if (argc_before != argc_after)
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{
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printf ("FAIL: test-expandargv-%d. Number of arguments don't match.\n", i);
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failed++;
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}
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/* Compare each of the argv's ... */
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else
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for (k = 0; k < argc_after; k++)
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if (strcmp (argv_before[k], argv_after[k]) != 0)
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{
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printf ("FAIL: test-expandargv-%d. Arguments don't match.\n", i);
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failed++;
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}
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if (!failed)
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printf ("PASS: test-expandargv-%d.\n", i);
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else
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fails++;
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freeargv (argv_before);
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freeargv (argv_after);
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/* Advance to next test */
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j += argc_after + 1;
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/* Erase test file */
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erase_test (i);
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i++;
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}
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return fails;
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}
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/* main:
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Run tests.
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Check result and exit with appropriate code. */
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int
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main(int argc, char **argv)
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{
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int fails;
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/* Repeat for all the tests:
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- Parse data array and write into file.
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- Run replace hooks before writing to file.
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- Parse data array and build argv before/after.
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- Run replace hooks on argv before/after
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- Run expandargv.
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- Compare output of expandargv argv to after argv.
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- If they compare the same then test passes
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else the test fails.
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- Erase test file. */
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fails = run_tests (test_data);
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if (!fails)
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exit (EXIT_SUCCESS);
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else
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exit (EXIT_FAILURE);
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}
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