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61 lines
2.3 KiB
61 lines
2.3 KiB
5 months ago
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/* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef MY_BASENAME_INCLUDED
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#define MY_BASENAME_INCLUDED
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/**
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@file include/my_basename.h
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A macro that gives __FILE__ without the directory name (e.g. foo.cc instead of
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../sql/foo.cc), calculated compile-time. Note that the entire __FILE__
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string is still present in the binary; only the pointer is adjusted.
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*/
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static constexpr int basename_index(const char *const path, const int index) {
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return (index == -1 || path[index] == '/' || path[index] == '\\')
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? index + 1
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: basename_index(path, index - 1);
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}
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#define MY_BASENAME (&__FILE__[basename_index(__FILE__, sizeof(__FILE__) - 1)])
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#ifndef LOG_SUBSYSTEM_TAG
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constexpr const char *basename_prefix_eval(const char *const path) {
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return (path[0] == 'r' && path[1] == 'p' && path[2] == 'l' && path[3] == '_')
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? "Repl"
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: nullptr;
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}
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constexpr int basename_prefix_find(const char *const path, const int index) {
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return (path[index] == '/' || path[index] == '\\')
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? index + 1
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: basename_prefix_find(path, index - 1);
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}
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#define LOG_SUBSYSTEM_TAG \
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basename_prefix_eval( \
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&__FILE__[basename_prefix_find(__FILE__, sizeof(__FILE__) - 1)])
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#endif
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#endif // MY_BASENAME_INCLUDED
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