1 /* vi: set sw=4 ts=4: */
3 * Copyright (C) 2000 by Glenn McGrath
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.
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
14 SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */
15 DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
18 int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
19 int uuencode_main(int argc, char **argv)
22 int src_fd = STDIN_FILENO;
25 char src_buf[SRC_BUF_SIZE];
26 char dst_buf[DST_BUF_SIZE + 1];
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;
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);
42 printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, *argv);
44 size_t size = full_read(src_fd, src_buf, SRC_BUF_SIZE);
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);
52 if (tbl == bb_uuenc_tbl_std) {
53 bb_putchar(tbl[size]);
56 xwrite(STDOUT_FILENO, dst_buf, 4 * ((size + 2) / 3));
58 printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
60 fflush_stdout_and_exit(EXIT_SUCCESS);