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* autoload.cc (GetModuleFileNameExA): Add.

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(GetModuleInformation): Add.
	(QueryWorkingSet): Add.
	* fhandler.h (fhandler_virtual::get_filebuf): New method.
	* fhandler_proc.cc (PROC_SELF): Define.
	(proc_fhandlers): Change type of self to FH_PROC.
	(fhandler_proc::exists): Return -3 if self.
	(fhandler_proc::fstat): Handle self as symlink.
	(fhandler_proc::fill_filebuf): Handle self.
	* fhandler_process.cc: Include psapi.h.
	(PROCESS_EXENAME): Remove.
	(PROCESS_MAPS): Define.
	(PROCESS_ROOT): Define.
	(PROCESS_EXE): Define.
	(PROCESS_CWD): Define.
	(process_listing): Remove "exename", add "maps, "root", "exe" and
	"cwd" elements.
	(fhandler_process::exists): Return -2 for symlinks.
	(fhandler_process::fstat): Handle symlinks.
	(fill_filebuf): Evaluate pid if pid is 0.  Use exename handling for
	exe.  Handle maps, root and cwd.
	(format_process_maps): New function evaluating "maps".
	* path.cc (symlink_info::set): New method to fill symlink_info
	with data matching virtual symlinks.
	(path_conv::check): Handle virtual symlinks.
	* pinfo.cc (_pinfo::commune_recv): Add PICOM_CWD and PICOM_ROOT
	handling.
	(_pinfo::commune_send): Ditto.
	(_pinfo::root): New function.
	(_pinfo::cwd): New function.
	* pinfo.h (enum picom): Add PICOM_CWD and PICOM_ROOT.
	(_pinfo::root): Declare.
	(_pinfo::cwd): Declare.
This commit is contained in:
Corinna Vinschen
2005-01-29 11:23:07 +00:00
parent 2eeb0e70a3
commit faf07ace92
8 changed files with 324 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
winsup/cygwin/path.cc
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@ -95,6 +95,7 @@ struct symlink_info
_minor_t minor;
_mode_t mode;
int check (char *path, const suffix_info *suffixes, unsigned opt);
int set (char *path, int type);
bool parse_device (const char *);
bool case_check (char *path);
};
@ -616,6 +617,11 @@ path_conv::check (const char *src, unsigned opt,
/* FIXME: Calling build_fhandler here is not the right way to handle this. */
fhandler_virtual *fh = (fhandler_virtual *) build_fh_dev (dev, path_copy);
int file_type = fh->exists ();
if (file_type == -2 || file_type == -3)
{
fh->fill_filebuf ();
symlen = sym.set (fh->get_filebuf (), file_type);
}
delete fh;
switch (file_type)
{
@ -626,9 +632,12 @@ path_conv::check (const char *src, unsigned opt,
case -1:
fileattr = 0;
break;
case -2: /* /proc/<pid>/symlinks */
case -3: /* /proc/self */
goto is_virtual_symlink;
default:
fileattr = INVALID_FILE_ATTRIBUTES;
break;
goto virtual_component_retry;
}
goto out;
}
@ -657,6 +666,8 @@ path_conv::check (const char *src, unsigned opt,
symlen = sym.check (full_path, suff, opt | fs.has_ea ());
is_virtual_symlink:
if (sym.minor || sym.major)
{
dev.parse (sym.major, sym.minor);
@ -740,6 +751,8 @@ path_conv::check (const char *src, unsigned opt,
/* No existing file found. */
}
virtual_component_retry:
/* Find the new "tail" of the path, e.g. in '/for/bar/baz',
/baz is the tail. */
if (tail != path_end)
@ -3117,6 +3130,34 @@ symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt)
return res;
}
/* "path" is the path in a virtual symlink. Set a symlink_info struct from
that and proceed with further path checking afterwards. */
int
symlink_info::set (char *path, int type)
{
extern suffix_info stat_suffixes[];
strcpy (contents, path);
pflags = PATH_SYMLINK;
if (type == -3) /* /proc/self */
{
fileattr = FILE_ATTRIBUTE_DIRECTORY;
error = 0;
}
else
{
/* That's save since a virtual symlink doesn't point to itself. */
path_conv pc (contents, PC_SYM_NOFOLLOW | PC_FULL, stat_suffixes);
fileattr = pc;
error = pc.error;
}
is_symlink = true;
ext_tacked_on = case_clash = false;
ext_here = NULL;
extn = major = minor = mode = 0;
return strlen (path);
}
/* Check the correct case of the last path component (given in DOS style).
Adjust the case in this->path if pcheck_case == PCHECK_ADJUST or return
false if pcheck_case == PCHECK_STRICT.