Contents of /tags/mkinitrd-6_1_5/busybox/coreutils/uuencode.c
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Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
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File size: 1639 byte(s)
Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1639 byte(s)
tagged 'mkinitrd-6_1_5'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Copyright (C) 2000 by Glenn McGrath |
4 | * |
5 | * based on the function base64_encode from http.c in wget v1.6 |
6 | * Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. |
7 | * |
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
9 | */ |
10 | |
11 | #include "libbb.h" |
12 | |
13 | enum { |
14 | SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */ |
15 | DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3), |
16 | }; |
17 | |
18 | int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
19 | int uuencode_main(int argc, char **argv) |
20 | { |
21 | struct stat stat_buf; |
22 | int src_fd = STDIN_FILENO; |
23 | const char *tbl; |
24 | mode_t mode; |
25 | char src_buf[SRC_BUF_SIZE]; |
26 | char dst_buf[DST_BUF_SIZE + 1]; |
27 | |
28 | tbl = bb_uuenc_tbl_std; |
29 | mode = 0666 & ~umask(0666); |
30 | opt_complementary = "-1:?2"; /* must have 1 or 2 args */ |
31 | if (getopt32(argv, "m")) { |
32 | tbl = bb_uuenc_tbl_base64; |
33 | } |
34 | argv += optind; |
35 | if (argc == optind + 2) { |
36 | src_fd = xopen(*argv, O_RDONLY); |
37 | fstat(src_fd, &stat_buf); |
38 | mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); |
39 | argv++; |
40 | } |
41 | |
42 | printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, *argv); |
43 | while (1) { |
44 | size_t size = full_read(src_fd, src_buf, SRC_BUF_SIZE); |
45 | if (!size) |
46 | break; |
47 | if ((ssize_t)size < 0) |
48 | bb_perror_msg_and_die(bb_msg_read_error); |
49 | /* Encode the buffer we just read in */ |
50 | bb_uuencode(dst_buf, src_buf, size, tbl); |
51 | bb_putchar('\n'); |
52 | if (tbl == bb_uuenc_tbl_std) { |
53 | bb_putchar(tbl[size]); |
54 | } |
55 | fflush(stdout); |
56 | xwrite(STDOUT_FILENO, dst_buf, 4 * ((size + 2) / 3)); |
57 | } |
58 | printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n"); |
59 | |
60 | fflush_stdout_and_exit(EXIT_SUCCESS); |
61 | } |