1/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software
14 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
15
16
17#include "mysys_priv.h"
18#include <m_string.h>
19
20/*
21 Return a pointer to the extension of the filename.
22
23 SYNOPSIS
24 fn_ext()
25 name Name of file
26
27 DESCRIPTION
28 The extension is defined as everything after the first extension character
29 (normally '.') after the directory name.
30
31 RETURN VALUES
32 Pointer to the extension character. If there isn't any extension,
33 points at the end ASCII(0) of the filename.
34*/
35
36char *fn_ext(const char *name)
37{
38 register const char *pos, *gpos;
39 DBUG_ENTER("fn_ext");
40 DBUG_PRINT("mfunkt",("name: '%s'",name));
41
42#if defined(FN_DEVCHAR) || defined(BASKSLASH_MBTAIL)
43 {
44 char buff[FN_REFLEN];
45 size_t res_length;
46 gpos= name+ dirname_part(buff,(char*) name, &res_length);
47 }
48#else
49 if (!(gpos= strrchr(name, FN_LIBCHAR)))
50 gpos= name;
51#endif
52 pos= strchr(gpos, FN_EXTCHAR);
53 DBUG_RETURN((char*) (pos ? pos : strend(gpos)));
54} /* fn_ext */
55
56
57/*
58 Return a pointer to the extension of the filename.
59
60 SYNOPSIS
61 fn_ext2()
62 name Name of file
63
64 DESCRIPTION
65 The extension is defined as everything after the last extension character
66 (normally '.') after the directory name.
67
68 RETURN VALUES
69 Pointer to the extension character. If there isn't any extension,
70 points at the end ASCII(0) of the filename.
71*/
72
73char *fn_ext2(const char *name)
74{
75 register const char *pos, *gpos;
76 DBUG_ENTER("fn_ext");
77 DBUG_PRINT("mfunkt",("name: '%s'",name));
78
79#if defined(FN_DEVCHAR) || defined(BASKSLASH_MBTAIL)
80 {
81 char buff[FN_REFLEN];
82 size_t res_length;
83 gpos= name+ dirname_part(buff,(char*) name, &res_length);
84 }
85#else
86 if (!(gpos= strrchr(name, FN_LIBCHAR)))
87 gpos= name;
88#endif
89 // locate the last occurrence of FN_EXTCHAR
90 pos= strrchr(gpos, FN_EXTCHAR);
91 DBUG_RETURN((char*) (pos ? pos : strend(gpos)));
92} /* fn_ext2 */
93
94