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author | Manuel Novoa III <mjn3@codepoet.org> | 2003-03-19 09:13:01 +0000 |
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committer | Manuel Novoa III <mjn3@codepoet.org> | 2003-03-19 09:13:01 +0000 |
commit | cad5364599eb5062d59e0c397ed638ddd61a8d5d (patch) | |
tree | a318d0f03aa076c74b576ea45dc543a5669e8e91 /libbb/copy_file_chunk.c | |
parent | e01f9662a5bd5d91be4f6b3941b57fff73cd5af1 (diff) | |
download | busybox-w32-cad5364599eb5062d59e0c397ed638ddd61a8d5d.tar.gz busybox-w32-cad5364599eb5062d59e0c397ed638ddd61a8d5d.tar.bz2 busybox-w32-cad5364599eb5062d59e0c397ed638ddd61a8d5d.zip |
Major coreutils update.
Diffstat (limited to 'libbb/copy_file_chunk.c')
-rw-r--r-- | libbb/copy_file_chunk.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c deleted file mode 100644 index 63d2ab173..000000000 --- a/libbb/copy_file_chunk.c +++ /dev/null | |||
@@ -1,70 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) many different people. If you wrote this, please | ||
6 | * acknowledge your work. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | ||
21 | * USA | ||
22 | */ | ||
23 | |||
24 | #include <stdio.h> | ||
25 | #include <sys/stat.h> | ||
26 | #include "libbb.h" | ||
27 | |||
28 | /* Copy CHUNKSIZE bytes (or until EOF if CHUNKSIZE equals -1) from SRC_FILE | ||
29 | * to DST_FILE. */ | ||
30 | extern int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize) | ||
31 | { | ||
32 | size_t nread, nwritten, size; | ||
33 | char buffer[BUFSIZ]; | ||
34 | |||
35 | while (chunksize != 0) { | ||
36 | if (chunksize > BUFSIZ) | ||
37 | size = BUFSIZ; | ||
38 | else | ||
39 | size = chunksize; | ||
40 | |||
41 | nread = fread (buffer, 1, size, src_file); | ||
42 | |||
43 | if (nread != size && ferror (src_file)) { | ||
44 | perror_msg ("read"); | ||
45 | return -1; | ||
46 | } else if (nread == 0) { | ||
47 | if (chunksize != -1) { | ||
48 | error_msg ("Unable to read all data"); | ||
49 | return -1; | ||
50 | } | ||
51 | |||
52 | return 0; | ||
53 | } | ||
54 | |||
55 | nwritten = fwrite (buffer, 1, nread, dst_file); | ||
56 | |||
57 | if (nwritten != nread) { | ||
58 | if (ferror (dst_file)) | ||
59 | perror_msg ("write"); | ||
60 | else | ||
61 | error_msg ("Unable to write all data"); | ||
62 | return -1; | ||
63 | } | ||
64 | |||
65 | if (chunksize != -1) | ||
66 | chunksize -= nwritten; | ||
67 | } | ||
68 | |||
69 | return 0; | ||
70 | } | ||