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authorUlrich Drepper <drepper@redhat.com>2008-04-09 07:42:19 +0000
committerUlrich Drepper <drepper@redhat.com>2008-04-09 07:42:19 +0000
commita7925a24fe104a2ab54fb8a6bdec1e5cf80a8db7 (patch)
treebdd5ae76466ac8d30555eeddb9fe3b096a8a00ba /libio
parentc2a684a419ce936d7443bcb1e71ea7725fee0507 (diff)
downloadglibc-a7925a24fe104a2ab54fb8a6bdec1e5cf80a8db7.tar.gz
[BZ #5998]
2008-04-09 Ulrich Drepper <drepper@redhat.com> [BZ #5998] * libio/iofwrite.c (_IO_fwrite): Return correct count if flushing in line-buffered stream failed. * libio/iofwrite_u.c (fwrite_unlocked): Likewise.
Diffstat (limited to 'libio')
-rw-r--r--libio/iofwrite.c8
-rw-r--r--libio/iofwrite_u.c8
2 files changed, 12 insertions, 4 deletions
diff --git a/libio/iofwrite.c b/libio/iofwrite.c
index 1f4331cc83..fb91d6f776 100644
--- a/libio/iofwrite.c
+++ b/libio/iofwrite.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1996, 1997, 1998, 1999, 2000, 2002, 2003
+/* Copyright (C) 1993, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2008
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -44,7 +44,11 @@ _IO_fwrite (buf, size, count, fp)
if (_IO_vtable_offset (fp) != 0 || _IO_fwide (fp, -1) == -1)
written = _IO_sputn (fp, (const char *) buf, request);
_IO_release_lock (fp);
- if (written == request)
+ /* We have written all of the input in case the return value indicates
+ this or EOF is returned. The latter is a special case where we
+ simply did not manage to flush the buffer. But the data is in the
+ buffer and therefore written as far as fwrite is concerned. */
+ if (written == request || written == EOF)
return count;
else
return written / size;
diff --git a/libio/iofwrite_u.c b/libio/iofwrite_u.c
index 738cc5b28f..d27c02ac31 100644
--- a/libio/iofwrite_u.c
+++ b/libio/iofwrite_u.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1996-2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1996-2000, 2002, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -45,7 +45,11 @@ fwrite_unlocked (buf, size, count, fp)
if (_IO_fwide (fp, -1) == -1)
{
written = _IO_sputn (fp, (const char *) buf, request);
- if (written == request)
+ /* We have written all of the input in case the return value indicates
+ this or EOF is returned. The latter is a special case where we
+ simply did not manage to flush the buffer. But the data is in the
+ buffer and therefore written as far as fwrite is concerned. */
+ if (written == request || written == EOF)
return count;
}