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-rw-r--r--sysdeps/posix/pwritev2.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/posix/pwritev2.c b/sysdeps/posix/pwritev2.c
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index 0000000000..a39304d9d9
--- /dev/null
+++ b/sysdeps/posix/pwritev2.c
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+/* Generic version of pwritev2.
+ Copyright (C) 2017-2018 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/uio.h>
+
+#ifndef __OFF_T_MATCHES_OFF64_T
+
+/* Since we define no flags for pwritev2 just route to pwritev. */
+ssize_t
+pwritev2 (int fd, const struct iovec *vector, int count, off_t offset,
+ int flags)
+{
+ if (flags != 0)
+ {
+ __set_errno (ENOTSUP);
+ return -1;
+ }
+
+ if (offset == -1)
+ return __writev (fd, vector, count);
+ else
+ return pwritev (fd, vector, count, offset);
+}
+
+#endif