* Makefile.in (DLL_OFILES): Add tls_pbuf.o.

	* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
	(CreateWindowStationW): Replace CreateWindowStationA.
	(GetUserObjectInformationW): Replace GetUserObjectInformationA.
	* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
	* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
	* cygtls.h (TP_NUM_C_BUFS): Define.
	(TP_NUM_W_BUFS): Define.
	(class tls_pathbuf): New class to store pointers to thread local
	temporary path buffers.
	(_local_storage::pathbufs): New member.
	* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
	of stack based buffer.
	(posify): Get temporary outenv buffer from calling function.
	(environ_init): Create temporary TLS path buffer for posify.
	(build_env): Create Windows environment block as WCHAR buffer.
	* environ.h (build_env): Change declaration accordingly.
	* external.cc (sync_winenv): Accommodate build_env change.
	* fhandler_console.cc (fhandler_console::need_invisible): Use
	GetUserObjectInformationW and CreateWindowStationW.
	* fhandler_process.cc (format_process_maps): Use temporary TLS path
	buffer instead of stack based buffer.
	* fork.cc (frok::parent): Convert to use CreateProcessW.
	* path.cc: Throughout use temporary TLS path buffers instead of stack
	based buffer.  Replace checks for CYG_MAX_PATH by checks for
	NT_MAX_PATH.
	(getfileattr): New function to replace GetFileAttributesA.
	(normalize_win32_path): Remove Win32 and NT long path prefixes.
	(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
	* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
	(iswdrive): Define.
	* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
	stack based buffer.
	* registry.cc (get_registry_hive_path): Ditto.
	(load_registry_hive): Ditto.
	* spawn.cc (spawn_guts): Convert to use CreateProcessW and
	CreateProcessAsUserW.
	(av::fixup): Open/close file using NtOpenFile/NtClose.
	* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
	(mknod32): Ditto.
	(getusershell): Ditto.
	* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
	methods.
	* tls_pbuf.h: New header for files using tmp_pathbuf.
	* tlsoffsets.h: Regenerate.
	* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.

1 files changed, 6 insertions, 3 deletions

diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc
index b32f83960..b5aa6dfb9 100644
--- a/winsup/cygwin/fhandler_process.cc
+++ b/winsup/cygwin/fhandler_process.cc
@@ -23,6 +23,7 @@ details. */
 #include "cygheap.h"
 #include "ntdll.h"
 #include "cygtls.h"
+#include "tls_pbuf.h"
 #include <sys/param.h>
 #include <assert.h>
 #include <sys/sysmacros.h>
@@ -525,8 +526,10 @@ format_process_maps (_pinfo *p, char *&destbuf, size_t maxsize)
   DWORD_PTR wset_size;
   DWORD_PTR *workingset = NULL;
   MODULEINFO info;
-  WCHAR modname[NT_MAX_PATH];
-  char posix_modname[NT_MAX_PATH];
+
+  tmp_pathbuf tp;
+  PWCHAR modname = tp.w_get ();
+  char *posix_modname = tp.c_get ();
 
   if (!EnumProcessModules (proc, NULL, 0, &needed))
     {
@@ -552,7 +555,7 @@ format_process_maps (_pinfo *p, char *&destbuf, size_t maxsize)
     }
   for (i = 0; i < needed / sizeof (HMODULE); i++)
     if (GetModuleInformation (proc, modules[i], &info, sizeof info)
-	&& GetModuleFileNameExW (proc, modules[i], modname, sizeof modname))
+	&& GetModuleFileNameExW (proc, modules[i], modname, NT_MAX_PATH))
       {
 	char access[5];
 	strcpy (access, "r--p");