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authorDenis Vlasenko <vda.linux@googlemail.com>2006-10-14 02:23:43 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2006-10-14 02:23:43 +0000
commitea62077b850076c4d7dc3cf78ebd1888928c6ddf (patch)
tree37b7584ae40b99edb5583fbc4392b62ffdadf278 /libbb/full_read.c
parent88ca06769028e442bf873b270c176ca0e9f021f8 (diff)
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add open_read_close() and similar stuff
Diffstat (limited to 'libbb/full_read.c')
-rw-r--r--libbb/full_read.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/libbb/full_read.c b/libbb/full_read.c
deleted file mode 100644
index 068d16698..000000000
--- a/libbb/full_read.c
+++ /dev/null
@@ -1,42 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Utility routines.
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */
9
10#include <stdio.h>
11#include <unistd.h>
12#include "libbb.h"
13
14/*
15 * Read all of the supplied buffer from a file.
16 * This does multiple reads as necessary.
17 * Returns the amount read, or -1 on an error.
18 * A short read is returned on an end of file.
19 */
20ssize_t full_read(int fd, void *buf, size_t len)
21{
22 ssize_t cc;
23 ssize_t total;
24
25 total = 0;
26
27 while (len) {
28 cc = safe_read(fd, buf, len);
29
30 if (cc < 0)
31 return cc; /* read() returns -1 on failure. */
32
33 if (cc == 0)
34 break;
35
36 buf = ((char *)buf) + cc;
37 total += cc;
38 len -= cc;
39 }
40
41 return total;
42}