HCoop / ntk / apt.git / blame
| Commit | Line | Data |
|---|---|---|
| b2e465d6 AL |
1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ | |
| b3d44315 | 3 | // $Id: dirstream.cc,v 1.3.2.1 2004/01/16 18:58:50 mdz Exp $ |
| b2e465d6 AL |
4 | /* ###################################################################### |
| 5 | ||
| 6 | Directory Stream | |
| 7 | ||
| 8 | This class provides a simple basic extractor that can be used for | |
| 9 | a number of purposes. | |
| 10 | ||
| 11 | ##################################################################### */ | |
| 12 | /*}}}*/ | |
| 13 | // Include Files /*{{{*/ | |
| 14 | #ifdef __GNUG__ | |
| 15 | #pragma implementation "apt-pkg/dirstream.h" | |
| 16 | #endif | |
| 17 | ||
| 18 | #include <apt-pkg/dirstream.h> | |
| 19 | #include <apt-pkg/error.h> | |
| 20 | ||
| 21 | #include <fcntl.h> | |
| 22 | #include <sys/stat.h> | |
| 23 | #include <sys/types.h> | |
| 24 | #include <errno.h> | |
| 25 | #include <utime.h> | |
| 26 | #include <unistd.h> | |
| d77559ac | 27 | #include <apti18n.h> |
| b2e465d6 AL |
28 | /*}}}*/ |
| 29 | ||
| 30 | // DirStream::DoItem - Process an item /*{{{*/ | |
| 31 | // --------------------------------------------------------------------- | |
| 32 | /* This is a very simple extractor, it does not deal with things like | |
| 33 | overwriting directories with files and so on. */ | |
| 34 | bool pkgDirStream::DoItem(Item &Itm,int &Fd) | |
| 35 | { | |
| 36 | switch (Itm.Type) | |
| 37 | { | |
| 38 | case Item::File: | |
| 39 | { | |
| 40 | /* Open the output file, NDELAY is used to prevent this from | |
| 41 | blowing up on device special files.. */ | |
| 42 | int iFd = open(Itm.Name,O_NDELAY|O_WRONLY|O_CREAT|O_TRUNC|O_APPEND, | |
| 43 | Itm.Mode); | |
| 44 | if (iFd < 0) | |
| 05eb7df0 | 45 | return _error->Errno("open",_("Failed write file %s"), |
| b2e465d6 AL |
46 | Itm.Name); |
| 47 | ||
| 48 | // fchmod deals with umask and fchown sets the ownership | |
| 49 | if (fchmod(iFd,Itm.Mode) != 0) | |
| 05eb7df0 | 50 | return _error->Errno("fchmod",_("Failed write file %s"), |
| b2e465d6 AL |
51 | Itm.Name); |
| 52 | if (fchown(iFd,Itm.UID,Itm.GID) != 0 && errno != EPERM) | |
| 05eb7df0 | 53 | return _error->Errno("fchown",_("Failed write file %s"), |
| b2e465d6 AL |
54 | Itm.Name); |
| 55 | Fd = iFd; | |
| 56 | return true; | |
| 57 | } | |
| 58 | ||
| 59 | case Item::HardLink: | |
| 60 | case Item::SymbolicLink: | |
| 61 | case Item::CharDevice: | |
| 62 | case Item::BlockDevice: | |
| 63 | case Item::Directory: | |
| 64 | case Item::FIFO: | |
| 65 | break; | |
| 66 | } | |
| 67 | ||
| 68 | return true; | |
| 69 | } | |
| 70 | /*}}}*/ | |
| 71 | // DirStream::FinishedFile - Finished processing a file /*{{{*/ | |
| 72 | // --------------------------------------------------------------------- | |
| 73 | /* */ | |
| 74 | bool pkgDirStream::FinishedFile(Item &Itm,int Fd) | |
| 75 | { | |
| 76 | if (Fd < 0) | |
| 77 | return true; | |
| 78 | ||
| 79 | if (close(Fd) != 0) | |
| 05eb7df0 | 80 | return _error->Errno("close",_("Failed to close file %s"),Itm.Name); |
| b2e465d6 AL |
81 | |
| 82 | /* Set the modification times. The only way it can fail is if someone | |
| 83 | has futzed with our file, which is intolerable :> */ | |
| 84 | struct utimbuf Time; | |
| 85 | Time.actime = Itm.MTime; | |
| 86 | Time.modtime = Itm.MTime; | |
| 87 | if (utime(Itm.Name,&Time) != 0) | |
| 05eb7df0 | 88 | _error->Errno("utime",_("Failed to close file %s"),Itm.Name); |
| b2e465d6 AL |
89 | |
| 90 | return true; | |
| 91 | } | |
| 92 | /*}}}*/ | |
| 93 | // DirStream::Fail - Failed processing a file /*{{{*/ | |
| 94 | // --------------------------------------------------------------------- | |
| 95 | /* */ | |
| 96 | bool pkgDirStream::Fail(Item &Itm,int Fd) | |
| 97 | { | |
| 98 | if (Fd < 0) | |
| 99 | return true; | |
| 100 | ||
| 101 | close(Fd); | |
| 102 | return false; | |
| 103 | } | |
| 104 | /*}}}*/ |