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authorEric Andersen2001-10-24 05:00:29 +0000
committerEric Andersen2001-10-24 05:00:29 +0000
commitbdfd0d78bc44e73d693510e70087857785b3b521 (patch)
tree153a573095afac8d8d0ea857759ecabd77fb28b7 /uuencode.c
parent9260fc5552a3ee52eb95823aa6689d52a1ffd33c (diff)
downloadbusybox-bdfd0d78bc44e73d693510e70087857785b3b521.zip
busybox-bdfd0d78bc44e73d693510e70087857785b3b521.tar.gz
Major rework of the directory structure and the entire build system.
-Erik
Diffstat (limited to 'uuencode.c')
-rw-r--r--uuencode.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/uuencode.c b/uuencode.c
deleted file mode 100644
index fc03740..0000000
--- a/uuencode.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/* 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.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "busybox.h"
-
-/* Conversion table. for base 64 */
-static char tbl_base64[64] = {
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
- 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
- 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
- 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
- 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
- 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
- 'w', 'x', 'y', 'z', '0', '1', '2', '3',
- '4', '5', '6', '7', '8', '9', '+', '/'
-};
-
-static char tbl_std[64] = {
- '`', '!', '"', '#', '$', '%', '&', '\'',
- '(', ')', '*', '+', ',', '-', '.', '/',
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', ':', ';', '<', '=', '>', '?',
- '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
- 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
- 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
- 'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
-};
-
-/*
- * Encode the string S of length LENGTH to base64 format and place it
- * to STORE. STORE will be 0-terminated, and must point to a writable
- * buffer of at least 1+BASE64_LENGTH(length) bytes.
- * where BASE64_LENGTH(len) = (4 * ((LENGTH + 2) / 3))
- */
-static void uuencode (const char *s, const char *store, const int length, const char *tbl)
-{
- int i;
- unsigned char *p = (unsigned char *)store;
-
- /* Transform the 3x8 bits to 4x6 bits, as required by base64. */
- for (i = 0; i < length; i += 3) {
- *p++ = tbl[s[0] >> 2];
- *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)];
- *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)];
- *p++ = tbl[s[2] & 0x3f];
- s += 3;
- }
- /* Pad the result if necessary... */
- if (i == length + 1) {
- *(p - 1) = '=';
- }
- else if (i == length + 2) {
- *(p - 1) = *(p - 2) = '=';
- }
- /* ...and zero-terminate it. */
- *p = '\0';
-}
-
-int uuencode_main(int argc, char **argv)
-{
- const int src_buf_size = 60; // This *MUST* be a multiple of 3
- const int dst_buf_size = 4 * ((src_buf_size + 2) / 3);
- RESERVE_BB_BUFFER(src_buf, src_buf_size + 1);
- RESERVE_BB_BUFFER(dst_buf, dst_buf_size + 1);
- struct stat stat_buf;
- FILE *src_stream = stdin;
- char *tbl = tbl_std;
- size_t size;
- mode_t mode;
- int opt;
- int column = 0;
- int write_size = 0;
- int remaining;
- int buffer_offset = 0;
-
- while ((opt = getopt(argc, argv, "m")) != -1) {
- switch (opt) {
- case 'm':
- tbl = tbl_base64;
- break;
- default:
- show_usage();
- }
- }
-
- switch (argc - optind) {
- case 2:
- src_stream = xfopen(argv[optind], "r");
- stat(argv[optind], &stat_buf);
- mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
- if (src_stream == stdout) {
- printf("NULL\n");
- }
- break;
- case 1:
- mode = 0666 & ~umask(0666);
- break;
- default:
- show_usage();
- }
-
- printf("begin%s %o %s", tbl == tbl_std ? "" : "-base64", mode, argv[argc - 1]);
-
- while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) {
- /* Encode the buffer we just read in */
- uuencode(src_buf, dst_buf, size, tbl);
-
- /* Write the buffer to stdout, wrapping at 60 chars.
- * This looks overly complex, but it gets tricky as
- * the line has to continue to wrap correctly if we
- * have to refill the buffer
- *
- * Improvments most welcome
- */
-
- /* Initialise values for the new buffer */
- remaining = 4 * ((size + 2) / 3);
- buffer_offset = 0;
-
- /* Write the buffer to stdout, wrapping at 60 chars
- * starting from the column the last buffer ran out
- */
- do {
- if (remaining > (60 - column)) {
- write_size = 60 - column;
- }
- else if (remaining < 60) {
- write_size = remaining;
- } else {
- write_size = 60;
- }
-
- /* Setup a new row if required */
- if (column == 0) {
- putchar('\n');
- if (tbl == tbl_std) {
- putchar('M');
- }
- }
- /* Write to the 60th column */
- if (fwrite(&dst_buf[buffer_offset], 1, write_size, stdout) != write_size) {
- perror("Couldnt finish writing");
- }
- /* Update variables based on last write */
- buffer_offset += write_size;
- remaining -= write_size;
- column += write_size;
- if (column % 60 == 0) {
- column = 0;
- }
- } while (remaining > 0);
- }
- printf(tbl == tbl_std ? "\n`\nend\n" : "\n====\n");
-
- return(EXIT_SUCCESS);
-}