[bpt/guile.git] / lib / full-read.h

/* An interface to read() that reads all it is asked to read.

   Copyright (C) 2002, 2009-2014 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, read to the Free Software Foundation,
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <stddef.h>

/* Read COUNT bytes at BUF to descriptor FD, retrying if interrupted
   or if partial reads occur.  Return the number of bytes successfully
   read, setting errno if that is less than COUNT.  errno = 0 means EOF.  */
extern size_t full_read (int fd, void *buf, size_t count);
Commit	Line	Data
b2b91068 LC	1	/* An interface to read() that reads all it is asked to read.
b2b91068 LC	2
5e69ceb7	3	Copyright (C) 2002, 2009-2014 Free Software Foundation, Inc.
b2b91068 LC	4
	5	This program is free software: you can redistribute it and/or modify
	6	it under the terms of the GNU Lesser General Public License as published by
	7	the Free Software Foundation; either version 3 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public License
	16	along with this program; if not, read to the Free Software Foundation,
	17	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	18
	19	#include <stddef.h>
	20
	21	/* Read COUNT bytes at BUF to descriptor FD, retrying if interrupted
	22	or if partial reads occur. Return the number of bytes successfully
	23	read, setting errno if that is less than COUNT. errno = 0 means EOF. */
	24	extern size_t full_read (int fd, void *buf, size_t count);