1/* Shared definition for glob and glob_pattern_p.
2 Copyright (C) 2017-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef GLOB_INTERNAL_H
20# define GLOB_INTERNAL_H
21
22enum
23{
24 GLOBPAT_NONE = 0x0,
25 GLOBPAT_SPECIAL = 0x1,
26 GLOBPAT_BACKSLASH = 0x2,
27 GLOBPAT_BRACKET = 0x4
28};
29
30static inline int
31__glob_pattern_type (const char *pattern, int quote)
32{
33 const char *p;
34 int ret = GLOBPAT_NONE;
35
36 for (p = pattern; *p != '\0'; ++p)
37 switch (*p)
38 {
39 case '?':
40 case '*':
41 return GLOBPAT_SPECIAL;
42
43 case '\\':
44 if (quote)
45 {
46 if (p[1] != '\0')
47 ++p;
48 ret |= GLOBPAT_BACKSLASH;
49 }
50 break;
51
52 case '[':
53 ret |= GLOBPAT_BRACKET;
54 break;
55
56 case ']':
57 if (ret & 4)
58 return GLOBPAT_SPECIAL;
59 break;
60 }
61
62 return ret;
63}
64
65#endif /* GLOB_INTERNAL_H */
66