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-rw-r--r--archival/uncompress.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/archival/uncompress.c b/archival/uncompress.c
deleted file mode 100644
index b16c353ec..000000000
--- a/archival/uncompress.c
+++ /dev/null
@@ -1,95 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Uncompress applet for busybox (c) 2002 Glenn McGrath
4 *
5 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
6 */
7
8#include "busybox.h"
9#include "unarchive.h"
10
11#define GUNZIP_TO_STDOUT 1
12#define GUNZIP_FORCE 2
13
14int uncompress_main(int argc, char **argv);
15int uncompress_main(int argc, char **argv)
16{
17 int status = EXIT_SUCCESS;
18 unsigned long flags;
19
20 flags = getopt32(argc, argv, "cf");
21
22 while (optind < argc) {
23 char *compressed_file = argv[optind++];
24 char *delete_path = NULL;
25 char *uncompressed_file = NULL;
26 int src_fd;
27 int dst_fd;
28
29 if (LONE_DASH(compressed_file)) {
30 src_fd = STDIN_FILENO;
31 flags |= GUNZIP_TO_STDOUT;
32 } else {
33 src_fd = xopen(compressed_file, O_RDONLY);
34 }
35
36 /* Check that the input is sane. */
37 if (isatty(src_fd) && ((flags & GUNZIP_FORCE) == 0)) {
38 bb_error_msg_and_die
39 ("compressed data not read from terminal. Use -f to force it.");
40 }
41
42 /* Set output filename and number */
43 if (flags & GUNZIP_TO_STDOUT) {
44 dst_fd = STDOUT_FILENO;
45 } else {
46 struct stat stat_buf;
47 char *extension;
48
49 uncompressed_file = xstrdup(compressed_file);
50
51 extension = strrchr(uncompressed_file, '.');
52 if (!extension || (strcmp(extension, ".Z") != 0)) {
53 bb_error_msg_and_die("invalid extension");
54 }
55 *extension = '\0';
56
57 /* Open output file */
58 xstat(compressed_file, &stat_buf);
59 dst_fd = xopen3(uncompressed_file,
60 O_WRONLY | O_CREAT | O_TRUNC,
61 stat_buf.st_mode);
62
63 /* If unzip succeeds remove the old file */
64 delete_path = compressed_file;
65 }
66
67 /* do the decompression, and cleanup */
68 if ((xread_char(src_fd) != 0x1f) || (xread_char(src_fd) != 0x9d)) {
69 bb_error_msg_and_die("invalid magic");
70 }
71
72 status = uncompress(src_fd, dst_fd);
73
74 if ((status != EXIT_SUCCESS) && (uncompressed_file)) {
75 /* Unzip failed, remove the uncomressed file instead of compressed file */
76 delete_path = uncompressed_file;
77 }
78
79 if (dst_fd != STDOUT_FILENO) {
80 close(dst_fd);
81 }
82 if (src_fd != STDIN_FILENO) {
83 close(src_fd);
84 }
85
86 /* delete_path will be NULL if in test mode or from stdin */
87 if (delete_path && (unlink(delete_path) == -1)) {
88 bb_error_msg_and_die("cannot remove %s", delete_path);
89 }
90
91 free(uncompressed_file);
92 }
93
94 return status;
95}