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Dogcows Code - chaz/tar/blob - lib/full-read.c
1 /* full-read.c -- an interface to read that retries after interrupts
2 Copyright (C) 1993, 1994, 1997, 1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include <sys/types.h>
34 /* Read LEN bytes at PTR from descriptor DESC, retrying if interrupted.
35 Return the actual number of bytes read, zero for EOF, or negative
39 full_read (int desc
, char *ptr
, size_t len
)
43 ssize_t n
= read (desc
, ptr
, len
);
45 if (n
< 0 && errno
== EINTR
)
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