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 #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 int uuencode_main(int argc, char **argv)
19 const size_t src_buf_size = SRC_BUF_SIZE;
20 const size_t dst_buf_size = DST_BUF_SIZE;
21 size_t write_size = dst_buf_size;
23 FILE *src_stream = stdin;
27 RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1);
28 RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1);
30 tbl = bb_uuenc_tbl_std;
31 if (getopt32(argc, argv, "m") & 1) {
32 tbl = bb_uuenc_tbl_base64;
35 switch (argc - optind) {
37 src_stream = xfopen(argv[optind], "r");
38 xstat(argv[optind], &stat_buf);
39 mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
40 if (src_stream == stdout) {
45 mode = 0666 & ~umask(0666);
51 printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]);
53 while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) {
54 if (size != src_buf_size) {
55 /* write_size is always 60 until the last line */
56 write_size = (4 * ((size + 2) / 3));
57 /* pad with 0s so we can just encode extra bits */
58 memset(&src_buf[size], 0, src_buf_size - size);
60 /* Encode the buffer we just read in */
61 bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl);
64 if (tbl == bb_uuenc_tbl_std) {
67 if (fwrite(dst_buf, 1, write_size, stdout) != write_size) {
68 bb_perror_msg_and_die(bb_msg_write_error);
71 printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
73 die_if_ferror(src_stream, "source"); /* TODO - Fix this! */
75 fflush_stdout_and_exit(EXIT_SUCCESS);