+/* vi: set sw=4 ts=4: */
/*
- * GPLv2
* Copyright 2003, Glenn McGrath <bug1@iinet.net.au>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation; either version 2 of the License.
- *
- * 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.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
* Based on specification from
* http://www.opengroup.org/onlinepubs/007904975/utilities/uuencode.html
*
- * Bugs: the spec doesnt mention anything about "`\n`\n" prior to the "end" line
+ * Bugs: the spec doesn't mention anything about "`\n`\n" prior to the
+ * "end" line
*/
-#include <stdio.h>
-#include <errno.h>
-#include <getopt.h> /* optind */
-#include <string.h>
-#include <stdlib.h>
-#include "busybox.h"
+#include "libbb.h"
-static int read_stduu(FILE *src_stream, FILE *dst_stream)
+static void read_stduu(FILE *src_stream, FILE *dst_stream)
{
char *line;
- while ((line = bb_get_chomped_line_from_file(src_stream)) != NULL) {
+ while ((line = xmalloc_getline(src_stream)) != NULL) {
int length;
char *line_ptr = line;
if (strcmp(line, "end") == 0) {
- return(EXIT_SUCCESS);
+ return;
}
length = ((*line_ptr - 0x20) & 0x3f)* 4 / 3;
continue;
}
if (length > 60) {
- bb_error_msg_and_die("Line too long");
+ bb_error_msg_and_die("line too long");
}
line_ptr++;
- /* Tolerate an overly long line to acomadate a possible exta '`' */
- if (strlen(line_ptr) < length) {
- bb_error_msg_and_die("Short file");
+ /* Tolerate an overly long line to accomodate a possible exta '`' */
+ if (strlen(line_ptr) < (size_t)length) {
+ bb_error_msg_and_die("short file");
}
while (length > 0) {
/* Merge four 6 bit chars to three 8 bit chars */
- fputc(((line_ptr[0] - 0x20) & 077) << 2 | ((line_ptr[1] - 0x20) & 077) >> 4, dst_stream);
+ fputc(((line_ptr[0] - 0x20) & 077) << 2 | ((line_ptr[1] - 0x20) & 077) >> 4, dst_stream);
line_ptr++;
length--;
if (length == 0) {
}
free(line);
}
- bb_error_msg_and_die("Short file");
+ bb_error_msg_and_die("short file");
}
-static int read_base64(FILE *src_stream, FILE *dst_stream)
+static void read_base64(FILE *src_stream, FILE *dst_stream)
{
- const char *base64_table =
+ static const char base64_table[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n";
- char term_count = 0;
+ int term_count = 0;
while (1) {
char translated[4];
do {
ch = fgetc(src_stream);
if (ch == EOF) {
- bb_error_msg_and_die("Short file");
+ bb_error_msg_and_die("short file");
}
} while ((table_ptr = strchr(base64_table, ch)) == NULL);
else if (*table_ptr == '\n') {
/* Check for terminating line */
if (term_count == 5) {
- return(EXIT_SUCCESS);
+ return;
}
term_count = 1;
continue;
}
}
-extern int uudecode_main(int argc, char **argv)
+int uudecode_main(int argc, char **argv);
+int uudecode_main(int argc, char **argv)
{
- int (*decode_fn_ptr) (FILE * src, FILE * dst);
FILE *src_stream;
char *outname = NULL;
char *line;
- int opt;
- opt = bb_getopt_ulflags(argc, argv, "o:", &outname);
+ getopt32(argc, argv, "o:", &outname);
if (optind == argc) {
src_stream = stdin;
} else if (optind + 1 == argc) {
- src_stream = bb_xfopen(argv[optind], "r");
+ src_stream = xfopen(argv[optind], "r");
} else {
bb_show_usage();
}
/* Search for the start of the encoding */
- while ((line = bb_get_chomped_line_from_file(src_stream)) != NULL) {
- char *line_ptr = NULL;
+ while ((line = xmalloc_getline(src_stream)) != NULL) {
+ void (*decode_fn_ptr)(FILE * src, FILE * dst);
+ char *line_ptr;
+ FILE *dst_stream;
+ int mode;
- if (line == NULL) {
- break;
- } else if (strncmp(line, "begin-base64 ", 13) == 0) {
+ if (strncmp(line, "begin-base64 ", 13) == 0) {
line_ptr = line + 13;
decode_fn_ptr = read_base64;
} else if (strncmp(line, "begin ", 6) == 0) {
line_ptr = line + 6;
decode_fn_ptr = read_stduu;
+ } else {
+ free(line);
+ continue;
}
- if (line_ptr) {
- FILE *dst_stream;
- int mode;
- int ret;
-
- mode = strtoul(line_ptr, NULL, 8);
- if (outname == NULL) {
- outname = strchr(line_ptr, ' ');
- if ((outname == NULL) || (*outname == '\0')) {
- break;
- }
- outname++;
- }
- if (strcmp(outname, "-") == 0) {
- dst_stream = stdout;
- } else {
- dst_stream = bb_xfopen(outname, "w");
- chmod(outname, mode & (S_IRWXU | S_IRWXG | S_IRWXO));
+ mode = strtoul(line_ptr, NULL, 8);
+ if (outname == NULL) {
+ outname = strchr(line_ptr, ' ');
+ if ((outname == NULL) || (*outname == '\0')) {
+ break;
}
- free(line);
- ret = decode_fn_ptr(src_stream, dst_stream);
- bb_fclose_nonstdin(src_stream);
- return(ret);
+ outname++;
+ }
+ if (LONE_DASH(outname)) {
+ dst_stream = stdout;
+ } else {
+ dst_stream = xfopen(outname, "w");
+ chmod(outname, mode & (S_IRWXU | S_IRWXG | S_IRWXO));
}
free(line);
+ decode_fn_ptr(src_stream, dst_stream);
+ fclose_if_not_stdin(src_stream);
+ return EXIT_SUCCESS;
}
- bb_error_msg_and_die("No `begin' line");
+ bb_error_msg_and_die("no 'begin' line");
}
projects / oweals / busybox.git / blobdiff