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newlib-cygwin
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* path.cc (symlin_info::check): Set 4th parameter of 

NtQueryDirectoryFile to NULL instead of 0 since it's a pointer.
	Simplify label and break from loop handling in symlink evaluation
	conditional expression.  Drop a now useless break statement.  Fix
	behaviour when searching for `foo' and then finding a `foo.lnk'
	which is no shortcut.
This commit is contained in:
Corinna Vinschen 2008-12-18 15:37:19 +00:00
parent 676c617704
commit dc7dfa3a82
2 changed files with 35 additions and 23 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2008-12-18 Corinna Vinschen <corinna@vinschen.de>
* path.cc (symlin_info::check): Set 4th parameter of
NtQueryDirectoryFile to NULL instead of 0 since it's a pointer.
Simplify label and break from loop handling in symlink evaluation
conditional expression. Drop a now useless break statement. Fix
behaviour when searching for `foo' and then finding a `foo.lnk'
which is no shortcut.
2008-12-16 Christian Franke <franke@computer.org>
* fhandler_registry.cc (DEFAULT_VALUE_NAME): Remove constant.

49
winsup/cygwin/path.cc
View File

@ -2407,7 +2407,7 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
}
else
{
status = NtQueryDirectoryFile (dir, NULL, NULL, 0, &io,
status = NtQueryDirectoryFile (dir, NULL, NULL, NULL, &io,
&fdi_buf, sizeof fdi_buf,
FileDirectoryInformation,
TRUE, &basename, TRUE);
@ -2458,16 +2458,25 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
{
/* If searching for `foo' and then finding a `foo.lnk' which is
no shortcut, return the same as if file not found. */
if (!suffix.lnk_match () || !ext_tacked_on)
goto file_not_symlink;
/* in case we're going to tack *another* .lnk on this filename. */
fileattr = INVALID_FILE_ATTRIBUTES;
continue;
if (ext_tacked_on)
{
fileattr = INVALID_FILE_ATTRIBUTES;
set_error (ENOENT);
continue;
}
}
if (contents[0] == ':' && contents[1] == '\\'
&& parse_device (contents))
goto file_not_symlink;
else if (contents[0] != ':' || contents[1] != '\\'
|| !parse_device (contents))
break;
}
/* If searching for `foo' and then finding a `foo.lnk' which is
no shortcut, return the same as if file not found. */
else if (suffix.lnk_match () && ext_tacked_on)
{
fileattr = INVALID_FILE_ATTRIBUTES;
set_error (ENOENT);
continue;
}
/* Reparse points are potentially symlinks. This check must be
@ -2478,8 +2487,8 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
else if (fileattr & FILE_ATTRIBUTE_REPARSE_POINT)
{
res = check_reparse_point (h);
if (!res)
goto file_not_symlink;
if (res)
break;
}
/* This is the old Cygwin method creating symlinks. A symlink will
@ -2489,8 +2498,8 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
== FILE_ATTRIBUTE_SYSTEM)
{
res = check_sysfile (h);
if (!res)
goto file_not_symlink;
if (res)
break;
}
/* If the file could be opened with FILE_READ_EA, and if it's on a
@ -2499,17 +2508,11 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt,
else if (fs.is_nfs () && !no_ea && !(fileattr & FILE_ATTRIBUTE_DIRECTORY))
{
res = check_nfs_symlink (h);
if (!res)
goto file_not_symlink;
if (res)
break;
}
/* Normal file. */
else
goto file_not_symlink;
break;
/* Normal file. */
file_not_symlink:
issymlink = false;
syscall_printf ("%s", isdevice ? "is a device" : "not a symlink");