1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/****************************************************************************
* lib/misc/lib_match.c - simple shell-style filename matcher
*
* Simple shell-style filename pattern matcher written by Jef Poskanzer
* This pattern matcher only handles '?', '*' and '**', and multiple
* patterns separated by '|'.
*
* Copyright � 1995,2000 by Jef Poskanzer <jef@mail.acme.com>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <string.h>
#include <nuttx/regex.h>
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: match_one
*
* Description:
* Does all of the work for one '|' delimited pattern
*
* Returned Value:
* Returns 1 (match) or 0 (no-match).
*
****************************************************************************/
static int match_one(const char *pattern, int patlen, const char *string)
{
const char *p;
int pl;
int i;
for (p = pattern; p - pattern < patlen; p++, string++)
{
if (*p == '?' && *string != '\0')
{
continue;
}
if (*p == '*')
{
p++;
if (*p == '*')
{
/* Double-wildcard matches anything. */
p++;
i = strlen(string);
}
else
{
/* Single-wildcard matches anything but slash. */
i = strcspn(string, "/");
}
pl = patlen - (p - pattern);
for (; i >= 0; i--)
{
if (match_one(p, pl, &(string[i])))
{
return 1;
}
}
return 0;
}
if (*p != *string)
{
return 0;
}
}
if (*string == '\0')
{
return 1;
}
return 0;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: match
*
* Description:
* Simple shell-style filename pattern matcher written by Jef Poskanzer
* This pattern matcher only handles '?', '*' and '**', and multiple
* patterns separated by '|'.
*
* Returned Value:
* Returns 1 (match) or 0 (no-match).
*
****************************************************************************/
int match(const char *pattern, const char *string)
{
const char *or;
for (;;)
{
or = strchr(pattern, '|');
if (or == (char *)0)
{
return match_one(pattern, strlen(pattern), string);
}
if (match_one(pattern, or - pattern, string))
{
return 1;
}
pattern = or + 1;
}
}
|
