diff options
author | Bjørn Mork <bjorn@mork.no> | 2015-05-15 10:20:47 +0200 |
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committer | Bjørn Mork <bjorn@mork.no> | 2015-05-15 10:20:47 +0200 |
commit | 73b16af8feec390afbabd9356d6e5e83c0390838 (patch) | |
tree | 3730020ba2f9caeb9d7815a975af51830b51ce11 /coreutils/uuencode.c |
busybox: imported from http://www.busybox.net/downloads/busybox-1.13.3.tar.bz2busybox-1.13.3
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Diffstat (limited to 'coreutils/uuencode.c')
-rw-r--r-- | coreutils/uuencode.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c new file mode 100644 index 0000000..e19f996 --- /dev/null +++ b/coreutils/uuencode.c @@ -0,0 +1,61 @@ +/* vi: set sw=4 ts=4: */ +/* + * Copyright (C) 2000 by Glenn McGrath + * + * based on the function base64_encode from http.c in wget v1.6 + * Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "libbb.h" + +enum { + SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */ + DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3), +}; + +int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int uuencode_main(int argc, char **argv) +{ + struct stat stat_buf; + int src_fd = STDIN_FILENO; + const char *tbl; + mode_t mode; + char src_buf[SRC_BUF_SIZE]; + char dst_buf[DST_BUF_SIZE + 1]; + + tbl = bb_uuenc_tbl_std; + mode = 0666 & ~umask(0666); + opt_complementary = "-1:?2"; /* must have 1 or 2 args */ + if (getopt32(argv, "m")) { + tbl = bb_uuenc_tbl_base64; + } + argv += optind; + if (argc == optind + 2) { + src_fd = xopen(*argv, O_RDONLY); + fstat(src_fd, &stat_buf); + mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); + argv++; + } + + printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, *argv); + while (1) { + size_t size = full_read(src_fd, src_buf, SRC_BUF_SIZE); + if (!size) + break; + if ((ssize_t)size < 0) + bb_perror_msg_and_die(bb_msg_read_error); + /* Encode the buffer we just read in */ + bb_uuencode(dst_buf, src_buf, size, tbl); + bb_putchar('\n'); + if (tbl == bb_uuenc_tbl_std) { + bb_putchar(tbl[size]); + } + fflush(stdout); + xwrite(STDOUT_FILENO, dst_buf, 4 * ((size + 2) / 3)); + } + printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n"); + + fflush_stdout_and_exit(EXIT_SUCCESS); +} |