diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/full-read.c | 56 |
1 files changed, 5 insertions, 51 deletions
diff --git a/lib/full-read.c b/lib/full-read.c index a328588ca..267d6646f 100644 --- a/lib/full-read.c +++ b/lib/full-read.c @@ -1,7 +1,5 @@ -/* An interface to read() that reads all it is asked to read. - - Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002 Free Software - Foundation, Inc. +/* An interface to read 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 @@ -14,52 +12,8 @@ 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, read to the Free Software Foundation, + along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#if HAVE_CONFIG_H -# include <config.h> -#endif - -/* Specification. */ -#include "full-read.h" - -#include <errno.h> -#ifndef errno -extern int errno; -#endif - -#include "safe-read.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. */ -size_t -full_read (int fd, void *buf, size_t count) -{ - size_t total_read = 0; - - if (count > 0) - { - char *ptr = buf; - - do - { - size_t nread = safe_read (fd, ptr, count); - if (nread == (size_t)-1) - break; - if (nread == 0) - { - /* EOF. */ - errno = 0; - break; - } - total_read += nread; - ptr += nread; - count -= nread; - } - while (count > 0); - } - - return total_read; -} +#define FULL_READ +#include "full-write.c" |