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List:       glibc-cvs
Subject:    GNU C Library master sources branch master updated. glibc-2.28.9000-581-gee4d790
From:       sthibaul () sourceware ! org
Date:       2019-01-22 22:41:47
Message-ID: 20190122224147.16163.qmail () sourceware ! org
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The branch, master has been updated
       via  ee4d79026da2c21c75cccd5795cb4357643f4f5c (commit)
      from  a95dc01c9e55bef6b48a762e26f15d93100ab9e5 (commit)

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=ee4d79026da2c21c75cccd5795cb4357643f4f5c

commit ee4d79026da2c21c75cccd5795cb4357643f4f5c
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Tue Jan 22 23:38:36 2019 +0100

    hurd: Support AT_EMPTY_PATH
    
    	* hurd/lookup-at.c (__file_name_lookup_at): When at_flags contains
    	AT_EMPTY_PATH, call __dir_lookup and __hurd_file_name_lookup_retry
    	directly instead of __hurd_file_name_lookup.

diff --git a/ChangeLog b/ChangeLog
index 8bffe50..fed239c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,9 @@
 
 	* sysdeps/mach/hurd/faccessat.c (__faccessat_common): Check for errors
 	returned by __hurd_at_flags.
+	* hurd/lookup-at.c (__file_name_lookup_at): When at_flags contains
+	AT_EMPTY_PATH, call __dir_lookup and __hurd_file_name_lookup_retry
+	directly instead of __hurd_file_name_lookup.
 
 2019-01-21  Joseph Myers  <joseph@codesourcery.com>
 
diff --git a/hurd/lookup-at.c b/hurd/lookup-at.c
index 813ebee..3e6980f 100644
--- a/hurd/lookup-at.c
+++ b/hurd/lookup-at.c
@@ -28,6 +28,9 @@ __file_name_lookup_at (int fd, int at_flags,
 {
   error_t err;
   file_t result;
+  int empty = at_flags & AT_EMPTY_PATH;
+
+  at_flags &= ~AT_EMPTY_PATH;
 
   err = __hurd_at_flags (&at_flags, &flags);
   if (err)
@@ -36,6 +39,23 @@ __file_name_lookup_at (int fd, int at_flags,
   if (fd == AT_FDCWD || file_name[0] == '/')
     return __file_name_lookup (file_name, flags, mode);
 
+  if (empty != 0 && file_name[0] == '\0')
+    {
+      enum retry_type doretry;
+      char retryname[1024];	/* XXX string_t LOSES! */
+
+      err = HURD_DPORT_USE (fd, __dir_lookup (port, "", flags, mode,
+					      &doretry, retryname,
+					      &result));
+
+      if (! err)
+	err = __hurd_file_name_lookup_retry (&_hurd_ports_use, &__getdport,
+					     NULL, doretry, retryname,
+					     flags, mode, &result);
+
+      return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
+    }
+
   file_t startdir;
   error_t use_init_port (int which, error_t (*operate) (mach_port_t))
     {

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog        |    3 +++
 hurd/lookup-at.c |   20 ++++++++++++++++++++
 2 files changed, 23 insertions(+), 0 deletions(-)


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