maint: update copyright

[gnulib.git] / lib / fwriteerror.h

diff --git a/lib/fwriteerror.h b/lib/fwriteerror.h
index 82cf5f1..6f7fedc 100644 (file)
--- a/lib/fwriteerror.h
+++ b/lib/fwriteerror.h
@@ -1,11 +1,11 @@
 /* Detect write error on a stream.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005-2006, 2009-2014 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2003.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,8 +13,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* There are two approaches for detecting a write error on a stream opened
    for writing:
@@ -22,7 +21,7 @@
      (a) Test the return value of every fwrite() or fprintf() call, and react
          immediately.
      (b) Just before fclose(), test the error indicator in the stream and
-         the return value of the final fflush() or fclose() call.
+         the return value of the final fclose() call.
 
    The benefit of (a) is that non file related errors (such that ENOMEM during
    fprintf) and temporary error conditions can be diagnosed accurately.
@@ -40,12 +39,24 @@
 
 #include <stdio.h>
 
-/* Write out the not yet written buffered contents of the stream FP, and then
-   test whether some error occurred on the stream FP.  FP must be a stream
-   opened for writing.
-   Return 0 if no error occurred.  In this case it can be assumed that
-   fclose (fp) will succeed.
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write out the not yet written buffered contents of the stream FP, close
+   the stream FP, and test whether some error occurred on the stream FP.
+   FP must be a stream opened for writing.
+   Return 0 if no error occurred and fclose (fp) succeeded.
    Return -1 and set errno if there was an error.  The errno value will be 0
    if the cause of the error cannot be determined.
- */
+   For any given stream FP other than stdout, fwriteerror (FP) may only be
+   called once.  */
 extern int fwriteerror (FILE *fp);
+
+/* Likewise, but don't consider it an error if FP has an invalid file
+   descriptor and no output was done to FP.  */
+extern int fwriteerror_no_ebadf (FILE *fp);
+
+#ifdef __cplusplus
+}
+#endif