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Diffstat (limited to 'contrib/cpio/lib/safe-write.h')
-rw-r--r-- | contrib/cpio/lib/safe-write.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/contrib/cpio/lib/safe-write.h b/contrib/cpio/lib/safe-write.h new file mode 100644 index 0000000..ab1f45b --- /dev/null +++ b/contrib/cpio/lib/safe-write.h @@ -0,0 +1,25 @@ +/* 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> + +#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); |