diff options
author | Bruno Haible <bruno@clisp.org> | 2002-11-22 16:25:53 +0000 |
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committer | Bruno Haible <bruno@clisp.org> | 2002-11-22 16:25:53 +0000 |
commit | 849efe7683e163ede9240b27d675977c71c76ce8 (patch) | |
tree | 7a5e7d19690442d0456883fee2046bc2255d3740 /lib/safe-write.h | |
parent | c44a7e417ba47cd7d9a4ce609f8392f788a9e71e (diff) | |
download | gnulib-849efe7683e163ede9240b27d675977c71c76ce8.tar.gz |
Orthogonal approach to read()/write() that handles EINTR and counts > 2^31
correctly.
Diffstat (limited to 'lib/safe-write.h')
-rw-r--r-- | lib/safe-write.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/safe-write.h b/lib/safe-write.h new file mode 100644 index 0000000000..25d1a4d487 --- /dev/null +++ b/lib/safe-write.h @@ -0,0 +1,23 @@ +/* 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 General Public License as published by + the Free Software Foundation; either version 2, 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 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. */ + +#include <stddef.h> + +/* Write up to COUNT bytes at BUF to descriptor FD, retrying if interrupted. + Return the actual number of bytes written, zero for EOF, or (size_t) -1 + for an error. */ +extern size_t safe_write (int fd, const void *buf, size_t count); |