X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffull-read.c;h=31b600bbf1ecfab5a813ec457e2e4ac3fe253cb2;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=a328588ca5016491b328c359f9651e210daeb859;hpb=849efe7683e163ede9240b27d675977c71c76ce8;p=gnulib.git diff --git a/lib/full-read.c b/lib/full-read.c index a328588ca..31b600bbf 100644 --- a/lib/full-read.c +++ b/lib/full-read.c @@ -1,12 +1,10 @@ -/* An interface to read() that reads all it is asked to read. +/* An interface to read that retries after partial reads and interrupts. + Copyright (C) 2002-2003, 2009-2014 Free Software Foundation, Inc. - Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002 Free Software - Foundation, Inc. - - This program is free software; you can redistribute it and/or modify + 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. + 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 @@ -14,52 +12,7 @@ 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, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#if HAVE_CONFIG_H -# include -#endif - -/* Specification. */ -#include "full-read.h" - -#include -#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); - } + along with this program. If not, see . */ - return total_read; -} +#define FULL_READ +#include "full-write.c"