1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 extern void archive_xread_all(int fd
, char *buf
, size_t count
)
31 size
= full_read(fd
, buf
, count
);
33 perror_msg_and_die("Short read");
39 * Read all of the supplied buffer from a file.
40 * This does multiple reads as necessary.
41 * Returns the amount read, or -1 on an error.
42 * A short read is returned on an end of file.
44 ssize_t
full_read(int fd
, char *buf
, int len
)
52 cc
= safe_read(fd
, buf
, len
);
55 return cc
; /* read() returns -1 on failure. */
60 buf
= ((char *)buf
) + cc
;
68 ssize_t
safe_read(int fd
, void *buf
, size_t count
)
73 n
= read(fd
, buf
, count
);
74 } while (n
< 0 && errno
== EINTR
);