From: Corinna Vinschen <corinna@vinschen.de>
Date: Sat, 16 Feb 2008 09:43:19 +0000 (+0000)
Subject: 	* fhandler.cc (fhandler_base::fpathconf): Fix _PC_NAME_MAX and
X-Git-Tag: gdb_6_8-2008-02-26-branchpoint~7
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=e2108ce092c8e887cc9422202dff64777d0794f7;p=newlib-cygwin.git

	* fhandler.cc (fhandler_base::fpathconf): Fix _PC_NAME_MAX and
	_PC_PATH_MAX cases.
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 948edce87..663f06d9a 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2008-02-16  Corinna Vinschen  <corinna@vinschen.de>
+
+	* fhandler.cc (fhandler_base::fpathconf): Fix _PC_NAME_MAX and
+	_PC_PATH_MAX cases.
+
 2008-02-15  Corinna Vinschen  <corinna@vinschen.de>
 
 	* include/sys/cygwin.h (__INT_MAX_PATH): Remove.
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 75528d35e..f47805bde 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -1541,6 +1541,8 @@ fhandler_base::fsync ()
 int
 fhandler_base::fpathconf (int v)
 {
+  int ret;
+
   switch (v)
     {
     case _PC_LINK_MAX:
@@ -1558,10 +1560,16 @@ fhandler_base::fpathconf (int v)
       break;
     case _PC_NAME_MAX:
       /* NAME_MAX is without trailing \0 */
-      return pc.isdir () ? PATH_MAX - strlen (get_name ()) - 2 : NAME_MAX;
+      if (!pc.isdir ())
+        return NAME_MAX;
+      ret = NT_MAX_PATH - strlen (get_name ()) - 2;
+      return ret < 0 ? 0 : ret > NAME_MAX ? NAME_MAX : ret;
     case _PC_PATH_MAX:
       /* PATH_MAX is with trailing \0 */
-      return pc.isdir () ? PATH_MAX - strlen (get_name ()) - 1 : PATH_MAX;
+      if (!pc.isdir ())
+	return PATH_MAX;
+      ret = NT_MAX_PATH - strlen (get_name ()) - 1;
+      return ret < 0 ? 0 : ret > PATH_MAX ? PATH_MAX : ret;
     case _PC_PIPE_BUF:
       if (pc.isdir ()
 	  || get_device () == FH_FIFO || get_device () == FH_PIPE