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* path.cc (path_conv::check): Fix problem reading symlinks introduced in below 

change by reverting the change and adding an additional test for nonexistent
files in /proc.
This commit is contained in:
Christopher Faylor 2005-04-20 18:25:14 +00:00
parent c6a00dcbb9
commit 2e98459145
2 changed files with 29 additions and 11 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2005-04-20 Christopher Faylor <cgf@timesys.com>
* path.cc (path_conv::check): Fix problem reading symlinks introduced
in below change by reverting the change and adding an additional test
for nonexistent files in /proc.
2005-04-20 Christopher Faylor <cgf@timesys.com>
* path.cc (path_conv::check): Punt when attempting to access a

20
winsup/cygwin/path.cc
View File

@ -531,7 +531,7 @@ path_conv::check (const char *src, unsigned opt,
symlink_info sym;
bool need_directory = 0;
bool saw_symlinks = 0;
int is_relpath;
bool is_relpath;
char *tail, *path_end;
#if 0
@ -646,25 +646,33 @@ path_conv::check (const char *src, unsigned opt,
{
case 1:
case 2:
if (component == 0)
fileattr = FILE_ATTRIBUTE_DIRECTORY;
break;
case -1:
if (component == 0)
fileattr = 0;
break;
case -2: /* /proc/self or /proc/<pid>/symlinks */
goto is_virtual_symlink;
case -3: /* /proc/<pid>/fd/pipe:[] */
if (component == 0)
{
fileattr = 0;
dev.parse (FH_PIPE);
}
break;
case -4: /* /proc/<pid>/fd/socket:[] */
if (component == 0)
{
fileattr = 0;
dev.parse (FH_TCP);
}
break;
default:
if (component == 0)
fileattr = INVALID_FILE_ATTRIBUTES;
error = ENOENT;
break;
goto virtual_component_retry;
}
goto out;
}
@ -794,7 +802,6 @@ is_virtual_symlink:
}
virtual_component_retry:
/* Find the new "tail" of the path, e.g. in '/for/bar/baz',
/baz is the tail. */
if (tail != path_end)
@ -877,6 +884,11 @@ out:
/* nothing to do */;
else if (fileattr & FILE_ATTRIBUTE_DIRECTORY)
path_flags &= ~PATH_SYMLINK;
else if (isvirtual_dev (dev.devn) && fileattr == INVALID_FILE_ATTRIBUTES)
{
error = ENOENT;
return;
}
else
{
debug_printf ("%s is a non-directory", path);