Contents of /trunk/mkinitrd-magellan/busybox/coreutils/uuencode.c
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 2072 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 "busybox.h" |
12 | |
13 | |
14 | #define SRC_BUF_SIZE 45 // This *MUST* be a multiple of 3 |
15 | #define DST_BUF_SIZE 4 * ((SRC_BUF_SIZE + 2) / 3) |
16 | int uuencode_main(int argc, char **argv) |
17 | { |
18 | const size_t src_buf_size = SRC_BUF_SIZE; |
19 | const size_t dst_buf_size = DST_BUF_SIZE; |
20 | size_t write_size = dst_buf_size; |
21 | struct stat stat_buf; |
22 | FILE *src_stream = stdin; |
23 | const char *tbl; |
24 | size_t size; |
25 | mode_t mode; |
26 | RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1); |
27 | RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1); |
28 | |
29 | tbl = bb_uuenc_tbl_std; |
30 | if (getopt32(argc, argv, "m") & 1) { |
31 | tbl = bb_uuenc_tbl_base64; |
32 | } |
33 | |
34 | switch (argc - optind) { |
35 | case 2: |
36 | src_stream = xfopen(argv[optind], "r"); |
37 | xstat(argv[optind], &stat_buf); |
38 | mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); |
39 | if (src_stream == stdout) { |
40 | puts("NULL"); |
41 | } |
42 | break; |
43 | case 1: |
44 | mode = 0666 & ~umask(0666); |
45 | break; |
46 | default: |
47 | bb_show_usage(); |
48 | } |
49 | |
50 | printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]); |
51 | |
52 | while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) { |
53 | if (size != src_buf_size) { |
54 | /* write_size is always 60 until the last line */ |
55 | write_size = (4 * ((size + 2) / 3)); |
56 | /* pad with 0s so we can just encode extra bits */ |
57 | memset(&src_buf[size], 0, src_buf_size - size); |
58 | } |
59 | /* Encode the buffer we just read in */ |
60 | bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl); |
61 | |
62 | putchar('\n'); |
63 | if (tbl == bb_uuenc_tbl_std) { |
64 | putchar(tbl[size]); |
65 | } |
66 | if (fwrite(dst_buf, 1, write_size, stdout) != write_size) { |
67 | bb_perror_msg_and_die(bb_msg_write_error); |
68 | } |
69 | } |
70 | printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n"); |
71 | |
72 | die_if_ferror(src_stream, "source"); /* TODO - Fix this! */ |
73 | |
74 | fflush_stdout_and_exit(EXIT_SUCCESS); |
75 | } |