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73 lines
2.5 KiB
73 lines
2.5 KiB
/* Copyright (c) 2000, 2018, 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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Without limiting anything contained in the foregoing, this file,
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which is part of C Driver for MySQL (Connector/C), is also subject to the
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Universal FOSS Exception, version 1.0, a copy of which can be found at
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http://oss.oracle.com/licenses/universal-foss-exception.
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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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/**
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@file mysys/mf_fn_ext.cc
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*/
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#include <string.h>
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#include "m_string.h"
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#include "my_dbug.h"
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#include "my_io.h"
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#if defined(FN_DEVCHAR) || defined(_WIN32)
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#include "my_sys.h"
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#include "mysys/mysys_priv.h"
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#endif
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/*
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Return a pointer to the extension of the filename.
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SYNOPSIS
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fn_ext()
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name Name of file
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DESCRIPTION
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The extension is defined as everything after the last extension character
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(normally '.') after the directory name.
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RETURN VALUES
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Pointer to to the extension character. If there isn't any extension,
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points at the end ASCII(0) of the filename.
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*/
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const char *fn_ext(const char *name) {
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#if defined(FN_DEVCHAR) || defined(_WIN32)
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char buff[FN_REFLEN];
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size_t res_length;
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const char *gpos = name + dirname_part(buff, name, &res_length);
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#else
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const char *gpos = strrchr(name, FN_LIBCHAR);
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if (gpos == nullptr) gpos = name;
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#endif
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const char *pos = strrchr(gpos, FN_EXTCHAR);
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return pos ? pos : strend(gpos);
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}
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char *fn_ext(char *name) {
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return const_cast<char *>(fn_ext(static_cast<const char *>(name)));
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}
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