GNU C Library master sources branch release/2.22/master updated. glibc-2.22-5-g561a9f1

[schwab at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=561a9f11a974a447acb3dd03550a05df701a900e

commit 561a9f11a974a447acb3dd03550a05df701a900e
Author: Andreas Schwab <schwab@suse.de>
Date:   Mon Aug 10 14:12:47 2015 +0200

    Readd O_LARGEFILE flag for openat64 (bug 18781)
    
    (cherry picked from commit eb32b0d40308166c4d8f6330cc2958cb1e545075)

diff --git a/ChangeLog b/ChangeLog
index e574072..ef1c608 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-08-10  Andreas Schwab  <schwab@suse.de>
+
+	[BZ #18781]
+	* sysdeps/unix/sysv/linux/openat.c (__OPENAT) [MORE_OFLAGS]: Add
+	MORE_OFLAGS to oflag.
+	* io/test-lfs.c (do_test): Test openat64.
+
 2015-08-08  John David Anglin  <danglin@gcc.gnu.org>
 
 	[BZ #18787]
diff --git a/NEWS b/NEWS
index 258a4b0..e8ca542 100644
--- a/NEWS
+++ b/NEWS
@@ -9,7 +9,7 @@ Version 2.22.1
 
 * The following bugs are resolved with this release:
 
-  18787.
+  18781, 18787.
 
 Version 2.22
 
diff --git a/io/test-lfs.c b/io/test-lfs.c
index 539c2a2..b6ebae4 100644
--- a/io/test-lfs.c
+++ b/io/test-lfs.c
@@ -144,7 +144,7 @@ test_ftello (void)
 int
 do_test (int argc, char *argv[])
 {
-  int ret;
+  int ret, fd2;
   struct stat64 statbuf;
 
   ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
@@ -195,6 +195,25 @@ do_test (int argc, char *argv[])
     error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
 	   (long long int) statbuf.st_size, (TWO_GB + 100 + 5));
 
+  fd2 = openat64 (AT_FDCWD, name, O_RDWR);
+  if (fd2 == -1)
+    {
+      if (errno == ENOSYS)
+	{
+	  /* Silently ignore this test.  */
+	  error (0, 0, "openat64 is not supported");
+	}
+      else
+	error (EXIT_FAILURE, errno, "openat64 failed to open big file");
+    }
+  else
+    {
+      ret = close (fd2);
+
+      if (ret == -1)
+	error (EXIT_FAILURE, errno, "error closing file");
+    }
+
   test_ftello ();
 
   return 0;
diff --git a/sysdeps/unix/sysv/linux/openat.c b/sysdeps/unix/sysv/linux/openat.c
index 6777123..ad8e31d 100644
--- a/sysdeps/unix/sysv/linux/openat.c
+++ b/sysdeps/unix/sysv/linux/openat.c
@@ -68,6 +68,11 @@ __OPENAT (int fd, const char *file, int oflag, ...)
       va_end (arg);
     }
 
+  /* We have to add the O_LARGEFILE flag for openat64.  */
+#ifdef MORE_OFLAGS
+  oflag |= MORE_OFLAGS;
+#endif
+
   return SYSCALL_CANCEL (openat, fd, file, oflag, mode);
 }
 libc_hidden_def (__OPENAT)

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

Summary of changes:
 ChangeLog                        |    7 +++++++
 NEWS                             |    2 +-
 io/test-lfs.c                    |   21 ++++++++++++++++++++-
 sysdeps/unix/sysv/linux/openat.c |    5 +++++
 4 files changed, 33 insertions(+), 2 deletions(-)


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