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To:	cygwin-developers AT cygwin DOT com
Subject:	Re: difficult problem with symbolic link handling
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References:	<20010428130748 DOT A20706 AT redhat DOT com>
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From:	Kazuhiro Fujieda <fujieda AT jaist DOT ac DOT jp>
Date:	30 Apr 2001 04:28:51 +0900
In-Reply-To:	Christopher Faylor's message of Sat, 28 Apr 2001 13:07:48 -0400
Message-ID:	<s1sd79vo68c.fsf@jaist.ac.jp>
Lines:	63
X-Mailer:	Gnus v5.3/Emacs 19.34

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>>> On Sat, 28 Apr 2001 13:07:48 -0400
>>> Christopher Faylor <cgf AT redhat DOT com> said:

> Does anyone have any problems with this new behavior? 

On the latest snapshot, the `stat' can return the value of
a symlink itself. The strace log is below. In this log,
`~/tmp/mp3/' is symlinked to `../mp3/'.

Except for this point, the new logic seems to work well.


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  242  145485 [main] a 428 stat_worker: stat (/home/fujieda/tmp/mp3, 0x240FE44)
  482  145967 [main] a 428 normalize_posix_path: src /home/fujieda/tmp/mp3
  232  146199 [main] a 428 normalize_posix_path: /home/fujieda/tmp/mp3 = normalize_posix_path (/home/fujieda/tmp/mp3)
  217  146416 [main] a 428 mount_info::conv_to_win32_path: conv_to_win32_path (/home/fujieda/tmp/mp3)
  221  146637 [main] a 428 normalize_posix_path: src /home/fujieda/tmp/mp3
  215  146852 [main] a 428 normalize_posix_path: /home/fujieda/tmp/mp3 = normalize_posix_path (/home/fujieda/tmp/mp3)
  219  147071 [main] a 428 mount_info::conv_to_win32_path: (null)(rel), C:\Home\fujieda\tmp\mp3(abs) 0xA(flags) = conv_to_win32_path (/home/fujieda/tmp/mp3)
  451  147522 [main] a 428 symlink_info::check: GetFileAttributesA (C:\Home\fujieda\tmp\mp3) failed
  256  147778 [main] a 428 geterrno_from_win_error: windows error 2 == errno 2
  345  148123 [main] a 428 symlink_info::check: GetFileAttributesA (C:\Home\fujieda\tmp\mp3.exe) failed
  230  148353 [main] a 428 geterrno_from_win_error: windows error 2 == errno 2
  347  148700 [main] a 428 symlink_info::check: GetFileAttributesA (C:\Home\fujieda\tmp\mp3.exe) failed
  232  148932 [main] a 428 geterrno_from_win_error: windows error 2 == errno 2
  352  149284 [main] a 428 symlink_info::check: GetFileAttributesA (C:\Home\fujieda\tmp\mp3.exe.lnk) failed
  225  149509 [main] a 428 geterrno_from_win_error: windows error 2 == errno 2
 1954  151463 [main] a 428 symlink_info::check: 6 = symlink.check (C:\Home\fujieda\tmp\mp3.lnk, 0x240F534) (0x1)
  293  151756 [main] a 428 normalize_posix_path: src /home/fujieda/tmp/../mp3
  222  151978 [main] a 428 normalize_posix_path: /home/fujieda/mp3 = normalize_posix_path (/home/fujieda/tmp/../mp3)
  217  152195 [main] a 428 mount_info::conv_to_win32_path: conv_to_win32_path (/home/fujieda/mp3)
  206  152401 [main] a 428 normalize_posix_path: src /home/fujieda/mp3
  203  152604 [main] a 428 normalize_posix_path: /home/fujieda/mp3 = normalize_posix_path (/home/fujieda/mp3)
  211  152815 [main] a 428 mount_info::conv_to_win32_path: (null)(rel), C:\Home\fujieda\mp3(abs) 0xA(flags) = conv_to_win32_path (/home/fujieda/mp3)
  403  153218 [main] a 428 symlink_info::check: not a symlink
  230  153448 [main] a 428 symlink_info::check: 0 = symlink.check (C:\Home\fujieda\mp3, 0x240F534) (0x1)
  466  153914 [main] a 428 path_conv::check: GetVolumeInformation(C:\) = OK, this->path(C:\Home\fujieda\mp3), set_has_acls(8)
  240  154154 [main] a 428 stat_worker: 48 = file_attributes for 'C:\Home\fujieda\mp3'
  233  154387 [main] a 428 fhandler_base::open: (C:\Home\fujieda\mp3, 0x110000)
  372  154759 [main] a 428 fhandler_base::open: 0x108 = CreateFileA (C:\Home\fujieda\mp3, 0x80000000, 0x7, 0x610911C0, 0x3, 0x2000080, 0)
  249  155008 [main] a 428 fhandler_base::open: filemode set to binary
  214  155222 [main] a 428 fhandler_base::open: 1 = fhandler_base::open (C:\Home\fujieda\mp3, 0x110000)
  213  155435 [main] a 428 fhandler_disk_file::open: 1 = fhandler_disk_file::open (C:\Home\fujieda\mp3, 0x110000)
  253  155688 [main] a 428 fhandler_disk_file::fstat: 1 = GetFileInformationByHandle (C:\Home\fujieda\mp3, 264)
  239  155927 [main] a 428 fhandler_disk_file::fstat: 0 = fstat (, 0x240FE44) st_atime=3AEC6714 st_size=0, st_mode=0xA1FF, st_ino=130151, sizeof=64
  221  156148 [main] a 428 fhandler_base::close: handle 0x108
  646  156794 [main] a 428 stat_worker: 0 = stat (/home/fujieda/tmp/mp3, 0x240FE44)

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____
  | AIST      Kazuhiro Fujieda <fujieda AT jaist DOT ac DOT jp>
  | HOKURIKU  School of Information Science
o_/ 1990      Japan Advanced Institute of Science and Technology

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