* cygheap.cc (cwcsdup): New function.

	(cwcsdup1): New function.
	* cygheap.h (cygheap_user::get_windows_id): New method returning PWCHAR.
	(cwcsdup): Declare.
	(cwcsdup1): Declare.
	* registry.cc (get_registry_hive_path): Use WCHAR instead of char
	throughout.
	(load_registry_hive): Ditto.
	* registry.h (get_registry_hive_path): Change declaration accordingly.
	(load_registry_hive): Ditto.
	* sec_helper.cc (cygpsid::string): New method returning PWCHAR.
	* security.h (cygpsid::string): Declare.
	* syscalls.cc (seteuid32): Convert local name var to WCHAR.
	* uinfo.cc (cygheap_user::env_userprofile): Convert local name buffers
	to WCHAR.  Call sys_wcstombs_alloc to generate puserprof buffer.

	* winsup.h: Fix comment.
	(NT_MAX_PATH): New definition for maximum internal path length.
	Use throughout where appropriate.
	* include/limits.h (PATH_MAX): Set to 4096 as on Linux.

1 files changed, 25 insertions, 0 deletions

diff --git a/winsup/cygwin/cygheap.cc b/winsup/cygwin/cygheap.cc
index 23e193bc3..e3a2918b7 100644
--- a/winsup/cygwin/cygheap.cc
+++ b/winsup/cygwin/cygheap.cc
@@ -24,6 +24,7 @@
 #include "sigproc.h"
 #include "pinfo.h"
 #include <unistd.h>
+#include <wchar.h>
 
 init_cygheap NO_COPY *cygheap;
 void NO_COPY *cygheap_max;
@@ -354,6 +355,30 @@ ccalloc_abort (cygheap_types x, DWORD n, DWORD size)
   return ccalloc (x, n, size, "ccalloc");
 }
 
+extern "C" PWCHAR __stdcall
+cwcsdup (const PWCHAR s)
+{
+  MALLOC_CHECK;
+  PWCHAR p = (PWCHAR) cmalloc (HEAP_STR, wcslen (s) + 1);
+  if (!p)
+    return NULL;
+  wcpcpy (p, s);
+  MALLOC_CHECK;
+  return p;
+}
+
+extern "C" PWCHAR __stdcall
+cwcsdup1 (const PWCHAR s)
+{
+  MALLOC_CHECK;
+  PWCHAR p = (PWCHAR) cmalloc (HEAP_1_STR, wcslen (s) + 1);
+  if (!p)
+    return NULL;
+  wcpcpy (p, s);
+  MALLOC_CHECK;
+  return p;
+}
+
 extern "C" char *__stdcall
 cstrdup (const char *s)
 {