1 files changed, 75 insertions, 0 deletions

diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c
new file mode 100644
index 000000000..e8f8d541c
--- /dev/null
+++ b/coreutils/uuencode.c
@@ -0,0 +1,75 @@
+/* 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 "busybox.h"
+
+
+#define SRC_BUF_SIZE    45  // This *MUST* be a multiple of 3
+#define DST_BUF_SIZE    4 * ((SRC_BUF_SIZE + 2) / 3)
+int uuencode_main(int argc, char **argv)
+{
+        const size_t src_buf_size = SRC_BUF_SIZE;
+        const size_t dst_buf_size = DST_BUF_SIZE;
+        size_t write_size = dst_buf_size;
+        struct stat stat_buf;
+        FILE *src_stream = stdin;
+        const char *tbl;
+        size_t size;
+        mode_t mode;
+        RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1);
+        RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1);
+
+        tbl = bb_uuenc_tbl_std;
+        if (getopt32(argc, argv, "m") & 1) {
+                tbl = bb_uuenc_tbl_base64;
+        }
+
+        switch (argc - optind) {
+                case 2:
+                        src_stream = xfopen(argv[optind], "r");
+                        xstat(argv[optind], &stat_buf);
+                        mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+                        if (src_stream == stdout) {
+                                puts("NULL");
+                        }
+                        break;
+                case 1:
+                        mode = 0666 & ~umask(0666);
+                        break;
+                default:
+                        bb_show_usage();
+        }
+
+        printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]);
+
+        while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) {
+                if (size != src_buf_size) {
+                        /* write_size is always 60 until the last line */
+                        write_size = (4 * ((size + 2) / 3));
+                        /* pad with 0s so we can just encode extra bits */
+                        memset(&src_buf[size], 0, src_buf_size - size);
+                }
+                /* Encode the buffer we just read in */
+                bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl);
+
+                putchar('\n');
+                if (tbl == bb_uuenc_tbl_std) {
+                        putchar(tbl[size]);
+                }
+                if (fwrite(dst_buf, 1, write_size, stdout) != write_size) {
+                        bb_perror_msg_and_die(bb_msg_write_error);
+                }
+        }
+        printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
+
+        die_if_ferror(src_stream, "source");    /* TODO - Fix this! */
+
+        fflush_stdout_and_exit(EXIT_SUCCESS);
+}