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1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
3 | // $Id: arfile.h,v 1.2 2001/02/20 07:03:16 jgg Exp $ | |
4 | /* ###################################################################### | |
5 | ||
6 | AR File - Handle an 'AR' archive | |
7 | ||
8 | This is a reader for the usual 4.4 BSD AR format. It allows raw | |
9 | stream access to a single member at a time. Basically all this class | |
10 | provides is header parsing and verification. It is up to the client | |
11 | to correctly make use of the stream start/stop points. | |
12 | ||
13 | ##################################################################### */ | |
14 | /*}}}*/ | |
15 | #ifndef PKGLIB_ARFILE_H | |
16 | #define PKGLIB_ARFILE_H | |
17 | ||
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18 | |
19 | #include <string> | |
472ff00e DK |
20 | |
21 | class FileFd; | |
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22 | |
23 | class ARArchive | |
24 | { | |
25 | struct MemberHeader; | |
26 | public: | |
27 | struct Member; | |
28 | ||
29 | protected: | |
30 | ||
31 | // Linked list of members | |
32 | Member *List; | |
33 | ||
34 | bool LoadHeaders(); | |
35 | ||
36 | public: | |
37 | ||
38 | // The stream file | |
39 | FileFd &File; | |
40 | ||
41 | // Locate a member by name | |
42 | const Member *FindMember(const char *Name) const; | |
d59a67ff | 43 | inline Member *Members() { return List; } |
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44 | |
45 | ARArchive(FileFd &File); | |
46 | ~ARArchive(); | |
47 | }; | |
48 | ||
49 | // A member of the archive | |
50 | struct ARArchive::Member | |
51 | { | |
52 | // Fields from the header | |
8f3ba4e8 | 53 | std::string Name; |
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54 | unsigned long MTime; |
55 | unsigned long UID; | |
56 | unsigned long GID; | |
57 | unsigned long Mode; | |
650faab0 | 58 | unsigned long long Size; |
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59 | |
60 | // Location of the data. | |
61 | unsigned long Start; | |
62 | Member *Next; | |
63 | ||
64 | Member() : Start(0), Next(0) {}; | |
65 | }; | |
66 | ||
67 | #endif |