mirror of
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73dcea59bd
When r432935 was merged, it did correctly fix a situation where a FILE read operation on the middle of a file buffer would not read the requested length in the parameters passed to the FILE function. Unfortunately, it would also allow the FILE function to append more bytes than what was available in the buffer if the length exceeded the end of the buffer length. This patch takes the minimum of the remaining bytes in the buffer along with the calculated length to append provided by the original patch, and uses that as the length to append in the return result. This patch also updates the unit tests with the scenarios that were originally pointed out in ASTERISK-21765 that the original implementation treated incorrectly. ASTERISK-21765 ........ Merged revisions 433173 from http://svn.asterisk.org/svn/asterisk/branches/11 git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@433174 65c4cc65-6c06-0410-ace0-fbb531ad65f3
402 lines
15 KiB
C
402 lines
15 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2010, Digium, Inc.
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*
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* Tilghman Lesher <tlesher AT digium DOT com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief Function FILE tests
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*
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* \author\verbatim Tilghman Lesher <tlesher AT digium DOT com> \endverbatim
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*
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* \ingroup tests
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*/
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/*** MODULEINFO
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<depend>TEST_FRAMEWORK</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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#include "asterisk/module.h"
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#include "asterisk/test.h"
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#include "asterisk/pbx.h"
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#define C1024 \
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static struct {
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const char *contents;
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const char *args;
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const char *value;
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} read_tests[] = {
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/* 4 different ways of specifying the first character */
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{ "123456789", "0,1", "1" },
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{ "123456789", "0,-8", "1" },
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{ "123456789", "-9,1", "1" },
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{ "123456789", "-9,-8", "1" },
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/* Does 0-length work? */
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{ "123456789", "0,0", "" },
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{ "123456789", "-9,0", "" },
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{ "123456789", "-9,-9", "" },
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/* Does negative length work? */
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{ "123456789", "5,-6", "" },
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{ "123456789", "-5,-6", "" },
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/* No length */
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{ "123456789", "-5", "56789" },
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{ "123456789", "4", "56789" },
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/* Passed file length */
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{ "123456789", "8,10", "9" },
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{ "123456789", "10,1", "" },
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/* Middle of file */
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{ "123456789", "2,5", "34567" },
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{ "123456789", "-7,5", "34567" },
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/* Line mode, 4 ways of specifying the first character */
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{ "123\n456\n789\n", "0,1,l", "123\n" },
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{ "123\n456\n789\n", "-3,1,l", "123\n" },
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{ "123\n456\n789\n", "0,-2,l", "123\n" },
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{ "123\n456\n789\n", "-3,-2,l", "123\n" },
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/* Line mode, 0-length */
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{ "123\n456\n789\n", "0,0,l", "" },
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{ "123\n456\n789\n", "-3,0,l", "" },
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{ "123\n456\n789\n", "-3,-3,l", "" },
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/* Line mode, negative length */
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{ "123\n456\n789\n", "2,-2,l", "" },
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{ "123\n456\n789\n", "-2,-3,l", "" },
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/* No length */
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{ "123\n456\n789\n", "1,,l", "456\n789\n" },
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{ "123\n456\n789\n", "-2,,l", "456\n789\n" },
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};
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static struct {
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const char *contents;
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const char *args;
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const char *value;
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const char *contents2;
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} write_tests[] = {
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/* Single character replace */
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{ "123456789", "0,1", "a", "a23456789" },
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{ "123456789", "-9,1", "a", "a23456789" },
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{ "123456789", "0,-8", "a", "a23456789" },
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{ "123456789", "-9,-8", "a", "a23456789" },
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{ "123456789", "5,1", "b", "12345b789" },
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{ "123456789", "-4,1", "b", "12345b789" },
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{ "123456789", "5,-3", "b", "12345b789" },
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{ "123456789", "-4,-3", "b", "12345b789" },
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/* Replace 2 characters with 1 */
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{ "123456789", "0,2", "c", "c3456789" },
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{ "123456789", "-9,2", "c", "c3456789" },
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{ "123456789", "0,-7", "c", "c3456789" },
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{ "123456789", "-9,-7", "c", "c3456789" },
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{ "123456789", "4,2", "d", "1234d789" },
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{ "123456789", "-5,2", "d", "1234d789" },
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{ "123456789", "4,-3", "d", "1234d789" },
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{ "123456789", "-5,-3", "d", "1234d789" },
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/* Truncate file */
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{ "123456789", "5", "e", "12345e" },
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{ "123456789", "5", "", "12345" },
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{ "123456789", "-4", "e", "12345e" },
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{ "123456789", "-4", "", "12345" },
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/* Replace 1 character with 2 */
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{ "123456789", "0,1", "fg", "fg23456789" },
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{ "123456789", "0,-8", "fg", "fg23456789" },
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{ "123456789", "-9,1", "fg", "fg23456789" },
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{ "123456789", "-9,-8", "fg", "fg23456789" },
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/* Overwrite file */
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{ "123456789", "", "h", "h" },
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{ "123456789", ",,,", "h", "h" },
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{ "123\n456\n789\n", ",,l", "h", "h\n" },
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{ "123\n456\n789\n", ",,ld", "h", "h" },
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/* Single line replace, same length */
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{ "123\n456\n789\n", "0,1,l", "abc", "abc\n456\n789\n" },
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{ "123\n456\n789\n", "-3,1,l", "abc", "abc\n456\n789\n" },
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{ "123\n456\n789\n", "0,-2,l", "abc", "abc\n456\n789\n" },
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{ "123\n456\n789\n", "-3,-2,l", "abc", "abc\n456\n789\n" },
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{ "123\n456\n789\n", "1,1,l", "abc", "123\nabc\n789\n" },
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{ "123\n456\n789\n", "1,-1,l", "abc", "123\nabc\n789\n" },
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{ "123\n456\n789\n", "-2,1,l", "abc", "123\nabc\n789\n" },
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{ "123\n456\n789\n", "-2,-1,l", "abc", "123\nabc\n789\n" },
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/* Single line replace, one character short */
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{ "123\n456\n789\n", "0,1,l", "ab", "ab\n456\n789\n" },
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{ "123\n456\n789\n", "-3,1,l", "ab", "ab\n456\n789\n" },
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{ "123\n456\n789\n", "0,-2,l", "ab", "ab\n456\n789\n" },
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{ "123\n456\n789\n", "-3,-2,l", "ab", "ab\n456\n789\n" },
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{ "123\n456\n789\n", "1,1,l", "ab", "123\nab\n789\n" },
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{ "123\n456\n789\n", "1,-1,l", "ab", "123\nab\n789\n" },
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{ "123\n456\n789\n", "-2,1,l", "ab", "123\nab\n789\n" },
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{ "123\n456\n789\n", "-2,-1,l", "ab", "123\nab\n789\n" },
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/* Single line replace, one character long */
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{ "123\n456\n789\n", "0,1,l", "abcd", "abcd\n456\n789\n" },
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{ "123\n456\n789\n", "-3,1,l", "abcd", "abcd\n456\n789\n" },
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{ "123\n456\n789\n", "0,-2,l", "abcd", "abcd\n456\n789\n" },
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{ "123\n456\n789\n", "-3,-2,l", "abcd", "abcd\n456\n789\n" },
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{ "123\n456\n789\n", "1,1,l", "abcd", "123\nabcd\n789\n" },
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{ "123\n456\n789\n", "1,-1,l", "abcd", "123\nabcd\n789\n" },
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{ "123\n456\n789\n", "-2,1,l", "abcd", "123\nabcd\n789\n" },
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{ "123\n456\n789\n", "-2,-1,l", "abcd", "123\nabcd\n789\n" },
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/* Multi-line replace, same number of characters, 2 lines for 1 */
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{ "123\n456\n789\n", "0,2,l", "abcdefg", "abcdefg\n789\n" },
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{ "123\n456\n789\n", "-3,2,l", "abcdefg", "abcdefg\n789\n" },
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{ "123\n456\n789\n", "0,-1,l", "abcdefg", "abcdefg\n789\n" },
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{ "123\n456\n789\n", "-3,-1,l", "abcdefg", "abcdefg\n789\n" },
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{ "123\n456\n789\n", "1,2,l", "abcdefg", "123\nabcdefg\n" },
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{ "123\n456\n789\n", "1,,l", "abcdefg", "123\nabcdefg\n" },
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{ "123\n456\n789\n", "-2,2,l", "abcdefg", "123\nabcdefg\n" },
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{ "123\n456\n789\n", "-2,,l", "abcdefg", "123\nabcdefg\n" },
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/* Multi-line replace, shorter number of characters, 2 lines for 1 */
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{ "123\n456\n789\n", "0,2,l", "abcd", "abcd\n789\n" },
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{ "123\n456\n789\n", "-3,2,l", "abcd", "abcd\n789\n" },
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{ "123\n456\n789\n", "0,-1,l", "abcd", "abcd\n789\n" },
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{ "123\n456\n789\n", "-3,-1,l", "abcd", "abcd\n789\n" },
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{ "123\n456\n789\n", "1,2,l", "abcd", "123\nabcd\n" },
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{ "123\n456\n789\n", "1,,l", "abcd", "123\nabcd\n" },
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{ "123\n456\n789\n", "-2,2,l", "abcd", "123\nabcd\n" },
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{ "123\n456\n789\n", "-2,,l", "abcd", "123\nabcd\n" },
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/* Multi-line replace, longer number of characters, 2 lines for 1 */
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{ "123\n456\n789\n", "0,2,l", "abcdefghijklmnop", "abcdefghijklmnop\n789\n" },
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{ "123\n456\n789\n", "-3,2,l", "abcdefghijklmnop", "abcdefghijklmnop\n789\n" },
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{ "123\n456\n789\n", "0,-1,l", "abcdefghijklmnop", "abcdefghijklmnop\n789\n" },
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{ "123\n456\n789\n", "-3,-1,l", "abcdefghijklmnop", "abcdefghijklmnop\n789\n" },
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{ "123\n456\n789\n", "1,2,l", "abcdefghijklmnop", "123\nabcdefghijklmnop\n" },
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{ "123\n456\n789\n", "1,,l", "abcdefghijklmnop", "123\nabcdefghijklmnop\n" },
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{ "123\n456\n789\n", "-2,2,l", "abcdefghijklmnop", "123\nabcdefghijklmnop\n" },
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{ "123\n456\n789\n", "-2,,l", "abcdefghijklmnop", "123\nabcdefghijklmnop\n" },
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/* Insert line */
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{ "123\n456\n789\n", "0,0,l", "abcd", "abcd\n123\n456\n789\n" },
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{ "123\n456\n789\n", "-3,0,l", "abcd", "abcd\n123\n456\n789\n" },
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{ "123\n456\n789\n", "1,0,l", "abcd", "123\nabcd\n456\n789\n" },
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{ "123\n456\n789\n", "-2,0,l", "abcd", "123\nabcd\n456\n789\n" },
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{ "123\n456\n789\n", "2,0,l", "abcd", "123\n456\nabcd\n789\n" },
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{ "123\n456\n789\n", "-1,0,l", "abcd", "123\n456\nabcd\n789\n" },
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{ "123\n456\n789\n", "3,0,l", "abcd", "123\n456\n789\nabcd\n" },
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{ "123\n456\n789\n", ",,la", "abcd", "123\n456\n789\nabcd\n" },
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/* Single line, replace with blank line */
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{ "123\n456\n789\n", "0,1,l", "", "\n456\n789\n" },
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{ "123\n456\n789\n", "-3,1,l", "", "\n456\n789\n" },
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{ "123\n456\n789\n", "0,-2,l", "", "\n456\n789\n" },
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{ "123\n456\n789\n", "-3,-2,l", "", "\n456\n789\n" },
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{ "123\n456\n789\n", "1,1,l", "", "123\n\n789\n" },
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{ "123\n456\n789\n", "1,-1,l", "", "123\n\n789\n" },
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{ "123\n456\n789\n", "-2,1,l", "", "123\n\n789\n" },
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{ "123\n456\n789\n", "-2,-1,l", "", "123\n\n789\n" },
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/* Single line, delete */
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{ "123\n456\n789\n", "0,1,ld", "", "456\n789\n" },
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{ "123\n456\n789\n", "-3,1,ld", "", "456\n789\n" },
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{ "123\n456\n789\n", "0,-2,ld", "", "456\n789\n" },
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{ "123\n456\n789\n", "-3,-2,ld", "", "456\n789\n" },
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{ "123\n456\n789\n", "1,1,ld", "", "123\n789\n" },
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{ "123\n456\n789\n", "1,-1,ld", "", "123\n789\n" },
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{ "123\n456\n789\n", "-2,1,ld", "", "123\n789\n" },
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{ "123\n456\n789\n", "-2,-1,ld", "", "123\n789\n" },
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/* Really long tests */
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{ "1234567890ABCDEF" C1024 C1024 C1024 C1024 C1024,
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"0,1", "a",
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"a234567890ABCDEF" C1024 C1024 C1024 C1024 C1024 },
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{ "1234567890ABCDEF" C1024 C1024 C1024 C1024 C1024,
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"0,1", "abcd",
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"abcd234567890ABCDEF" C1024 C1024 C1024 C1024 C1024 },
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{ "1234567890ABCDEF" C1024 C1024 C1024 C1024 C1024,
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"0,10", "abcd",
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"abcdABCDEF" C1024 C1024 C1024 C1024 C1024 },
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{ "1" C1024 "\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n",
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"0,1,l", "abcd",
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"abcd\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n" },
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{ "1234\n1" C1024 "\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n",
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"0,1,l", "abcd",
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"abcd\n1" C1024 "\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n" },
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{ "1234\n1" C1024 "\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n",
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"0,1,l", "a",
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"a\n1" C1024 "\n2" C1024 "\n3" C1024 "\n4" C1024 "\n5" C1024 "\n6" C1024 "\n" },
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};
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static char *file2display(struct ast_str **buf, ssize_t len, const char *input)
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{
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const char *ptr;
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ast_str_reset(*buf);
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for (ptr = input; *ptr; ptr++) {
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if (*ptr == '\n') {
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ast_str_append(buf, len, "\\n");
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} else if (*ptr == '\r') {
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ast_str_append(buf, len, "\\r");
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} else if (*ptr == '\t') {
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ast_str_append(buf, len, "\\t");
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} else if (*ptr < ' ' || *ptr > 125) {
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ast_str_append(buf, len, "\\x%hhX", *ptr);
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} else {
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ast_str_append(buf, len, "%c", *ptr);
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}
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}
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return ast_str_buffer(*buf);
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}
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AST_TEST_DEFINE(test_func_file)
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{
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int res = AST_TEST_PASS;
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int i;
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char dir[] = "/tmp/test_func_file.XXXXXX";
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char file[80], expression[256];
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struct ast_str *buf, *disp[2] = { NULL, NULL };
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char fbuf[8192];
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FILE *fh;
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switch (cmd) {
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case TEST_INIT:
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info->name = "func_file";
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info->category = "/funcs/func_env/";
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info->summary = "Verify behavior of the FILE() dialplan function";
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info->description =
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"Verifies that the examples of the FILE() dialplan function documentation work as described.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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if (!mkdtemp(dir)) {
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ast_test_status_update(test, "Cannot create temporary directory: %s\n", strerror(errno));
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return AST_TEST_FAIL;
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}
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disp[0] = ast_str_create(16);
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disp[1] = ast_str_create(16);
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if (!(buf = ast_str_create(16)) || !disp[0] || !disp[1]) {
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ast_free(buf);
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ast_free(disp[0]);
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ast_free(disp[1]);
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rmdir(dir);
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return AST_TEST_FAIL;
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}
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snprintf(file, sizeof(file), "%s/test.txt", dir);
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for (i = 0; i < ARRAY_LEN(read_tests); i++) {
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if (!(fh = fopen(file, "w"))) {
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ast_test_status_update(test, "Cannot open test file: %s\n", strerror(errno));
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ast_free(buf);
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ast_free(disp[0]);
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ast_free(disp[1]);
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unlink(file);
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rmdir(dir);
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return AST_TEST_FAIL;
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}
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if (fwrite(read_tests[i].contents, 1, strlen(read_tests[i].contents), fh) < strlen(read_tests[i].contents)) {
|
|
ast_test_status_update(test, "Cannot write initial values into test file: %s\n", strerror(errno));
|
|
ast_free(buf);
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
fclose(fh);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
fclose(fh);
|
|
|
|
snprintf(expression, sizeof(expression), "${FILE(%s,%s)}", file, read_tests[i].args);
|
|
ast_str_substitute_variables(&buf, 0, NULL, expression);
|
|
|
|
if (strcmp(ast_str_buffer(buf), read_tests[i].value)) {
|
|
ast_test_status_update(test, "Expression '${FILE(...,%s)}' did not produce ('%s') the expected value ('%s')\n",
|
|
read_tests[i].args, file2display(&disp[0], 0, ast_str_buffer(buf)), file2display(&disp[1], 0, read_tests[i].value));
|
|
res = AST_TEST_FAIL;
|
|
}
|
|
}
|
|
|
|
ast_free(buf);
|
|
|
|
for (i = 0; i < ARRAY_LEN(write_tests); i++) {
|
|
if (!(fh = fopen(file, "w"))) {
|
|
ast_test_status_update(test, "Cannot open test file: %s\n", strerror(errno));
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
if (fwrite(write_tests[i].contents, 1, strlen(write_tests[i].contents), fh) < strlen(write_tests[i].contents)) {
|
|
ast_test_status_update(test, "Cannot write initial values into test file: %s\n", strerror(errno));
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
fclose(fh);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
fclose(fh);
|
|
|
|
snprintf(expression, sizeof(expression), "FILE(%s,%s)", file, write_tests[i].args);
|
|
ast_func_write(NULL, expression, write_tests[i].value);
|
|
|
|
if (!(fh = fopen(file, "r"))) {
|
|
ast_test_status_update(test, "Cannot open test file: %s\n", strerror(errno));
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
memset(fbuf, 0, sizeof(fbuf));
|
|
if (!fread(fbuf, 1, sizeof(fbuf), fh)) {
|
|
ast_test_status_update(test, "Cannot read write results from test file: %s\n", strerror(errno));
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
fclose(fh);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
return AST_TEST_FAIL;
|
|
}
|
|
|
|
fclose(fh);
|
|
|
|
if (strcmp(fbuf, write_tests[i].contents2)) {
|
|
ast_test_status_update(test, "Expression 'FILE(...,%s)=%s' did not produce ('%s') the expected result ('%s')\n",
|
|
write_tests[i].args, write_tests[i].value, file2display(&disp[0], 0, fbuf), file2display(&disp[1], 0, write_tests[i].contents2));
|
|
res = AST_TEST_FAIL;
|
|
} else {
|
|
ast_test_status_update(test, "Expression 'FILE(...,%s)=%s'... OK!\n", write_tests[i].args, write_tests[i].value);
|
|
}
|
|
}
|
|
|
|
ast_free(disp[0]);
|
|
ast_free(disp[1]);
|
|
unlink(file);
|
|
rmdir(dir);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
AST_TEST_UNREGISTER(test_func_file);
|
|
return 0;
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
AST_TEST_REGISTER(test_func_file);
|
|
return AST_MODULE_LOAD_SUCCESS;
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "FILE() Tests");
|