1 /*
2  * Copyright (c) 2016 Daichi GOTO
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "ttt.h"
29 
30 int
ssvstr2str_len(char * ssvstr)31 ssvstr2str_len(char *ssvstr)
32 {
33 	char *p = ssvstr;
34 	int i;
35 
36 	if (NULL == ssvstr)
37 		return 0;
38 	if ('@' == *p && '\0' == *(p + 1))
39 		return 0;
40 	if ('\\' == *p && '@' == *(p + 1) &&
41 		'\0' == *(p + 2))
42 		return 1;
43 
44 	i = 0;
45 	while (1) {
46 		switch (*p) {
47 		case '\\':
48 			switch (*(p + 1)) {
49 			case '@':
50 			case '_':
51 				++p;
52 				break;
53 			}
54 			break;
55 		case '\0':
56 			goto finish;
57 		}
58 		++i;
59 		++p;
60 	}
61 finish:
62 
63 	return i;
64 }
65