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1 | /* |
2 | * uriparser - RFC 3986 URI parsing library | |
3 | * | |
4 | * Copyright (C) 2007, Weijia Song <songweijia@gmail.com> | |
5 | * Copyright (C) 2007, Sebastian Pipping <sebastian@pipping.org> | |
6 | * All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * * Redistributions of source code must retain the above | |
13 | * copyright notice, this list of conditions and the following | |
14 | * disclaimer. | |
15 | * | |
16 | * * Redistributions in binary form must reproduce the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer in the documentation and/or other materials | |
19 | * provided with the distribution. | |
20 | * | |
21 | * * Neither the name of the <ORGANIZATION> nor the names of its | |
22 | * contributors may be used to endorse or promote products | |
23 | * derived from this software without specific prior written | |
24 | * permission. | |
25 | * | |
26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
27 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
28 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
29 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
30 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
31 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
32 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
33 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
35 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
36 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
37 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
38 | */ | |
39 | ||
40 | /** | |
41 | * @file UriIp4Base.c | |
42 | * Holds code independent of the encoding pass. | |
43 | */ | |
44 | ||
45 | #ifndef URI_DOXYGEN | |
46 | # include "UriIp4Base.h" | |
47 | #endif | |
48 | ||
49 | ||
50 | ||
51 | void uriStackToOctet(UriIp4Parser * parser, unsigned char * octet) { | |
52 | switch (parser->stackCount) { | |
53 | case 1: | |
54 | *octet = parser->stackOne; | |
55 | break; | |
56 | ||
57 | case 2: | |
58 | *octet = parser->stackOne * 10 | |
59 | + parser->stackTwo; | |
60 | break; | |
61 | ||
62 | case 3: | |
63 | *octet = parser->stackOne * 100 | |
64 | + parser->stackTwo * 10 | |
65 | + parser->stackThree; | |
66 | break; | |
67 | ||
68 | default: | |
69 | ; | |
70 | } | |
71 | parser->stackCount = 0; | |
72 | } | |
73 | ||
74 | ||
75 | ||
76 | void uriPushToStack(UriIp4Parser * parser, unsigned char digit) { | |
77 | switch (parser->stackCount) { | |
78 | case 0: | |
79 | parser->stackOne = digit; | |
80 | parser->stackCount = 1; | |
81 | break; | |
82 | ||
83 | case 1: | |
84 | parser->stackTwo = digit; | |
85 | parser->stackCount = 2; | |
86 | break; | |
87 | ||
88 | case 2: | |
89 | parser->stackThree = digit; | |
90 | parser->stackCount = 3; | |
91 | break; | |
92 | ||
93 | default: | |
94 | ; | |
95 | } | |
96 | } |