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)
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;
22 FILE *src_stream = stdin;
26 RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1);
27 RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1);
29 tbl = bb_uuenc_tbl_std;
30 if (getopt32(argc, argv, "m") & 1) {
31 tbl = bb_uuenc_tbl_base64;
34 switch (argc - optind) {
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) {
44 mode = 0666 & ~umask(0666);
50 printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]);
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);
59 /* Encode the buffer we just read in */
60 bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl);
63 if (tbl == bb_uuenc_tbl_std) {
66 if (fwrite(dst_buf, 1, write_size, stdout) != write_size) {
67 bb_perror_msg_and_die(bb_msg_write_error);
70 printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
72 die_if_ferror(src_stream, "source"); /* TODO - Fix this! */
74 fflush_stdout_and_exit(EXIT_SUCCESS);