From 9b36a80c79c6c26e8e3016eb5d88ea86f66de368 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sun, 30 Nov 2008 17:48:06 +0100 Subject: Use Gnulib's `full-write' and `full-read' modules. --- lib/safe-write.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 lib/safe-write.h (limited to 'lib/safe-write.h') diff --git a/lib/safe-write.h b/lib/safe-write.h new file mode 100644 index 000000000..51e3dcbba --- /dev/null +++ b/lib/safe-write.h @@ -0,0 +1,24 @@ +/* An interface to write() that retries after interrupts. + Copyright (C) 2002 Free Software Foundation, Inc. + + This program 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 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 + 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 this program. If not, see . */ + +#include + +#define SAFE_WRITE_ERROR ((size_t) -1) + +/* Write up to COUNT bytes at BUF to descriptor FD, retrying if interrupted. + Return the actual number of bytes written, zero for EOF, or SAFE_WRITE_ERROR + upon error. */ +extern size_t safe_write (int fd, const void *buf, size_t count); -- cgit v1.2.3