* ground up. It still has remnents of the old code lying about, but it is
* very different now (i.e., cleaner, less global variables, etc.)
*
- * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 1999-2002 by Erik Andersen <andersee@debian.org>
+ * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
*
* Based in part in the tar implementation in sash
* Copyright (c) 1999 by David I. Bell
while (1) {
char buf;
- int n = read(gzipStatusPipe[0], &buf, 1);
+ int n = bb_full_read(gzipStatusPipe[0], &buf, 1);
if (n == 0 && vfork_exec_errno != 0) {
errno = vfork_exec_errno;
#endif /* tar_create */
#ifdef CONFIG_FEATURE_TAR_EXCLUDE
-static llist_t *append_file_list_to_list(const char *filename, llist_t *list)
+static llist_t *append_file_list_to_list(llist_t *list)
{
- FILE *src_stream = bb_xfopen(filename, "r");
+ FILE *src_stream;
+ llist_t *cur = list;
+ llist_t *tmp;
char *line;
+ llist_t *newlist = NULL;
+
+ while(cur) {
+ src_stream = bb_xfopen(cur->data, "r");
+ tmp = cur;
+ cur = cur->link;
+ free(tmp);
while((line = bb_get_chomped_line_from_file(src_stream)) != NULL) {
- list = llist_add_to(list, line);
+ newlist = llist_add_to(newlist, line);
}
fclose(src_stream);
-
- return (list);
+ }
+ return newlist;
}
#endif
+
+static const char tar_options[]="ctxjT:X:C:f:Opvz";
#define CTX_CREATE 1
#define CTX_TEST 2
#define CTX_EXTRACT 4
+#define TAR_OPT_BZIP2 8
+#define TAR_OPT_INCLUDE 16
+#define TAR_OPT_EXCLUDE 32
+#define TAR_OPT_BASEDIR 64
+#define TAR_OPT_ARNAME 128
+#define TAR_OPT_2STDOUT 256
+#define TAR_OPT_P 512
+#define TAR_OPT_VERBOSE 1024
+#define TAR_OPT_GZIP 2048
int tar_main(int argc, char **argv)
{
/* Prepend '-' to the first argument if required */
if (argv[1][0] != '-') {
- char *tmp = xmalloc(strlen(argv[1]) + 2);
- tmp[0] = '-';
- strcpy(tmp + 1, argv[1]);
+ char *tmp;
+
+ bb_xasprintf(&tmp, "-%s", argv[1]);
argv[1] = tmp;
}
/* Initialise default values */
tar_handle = init_handle();
- tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS;
-
- while ((opt = getopt(argc, argv, "cjtxT:X:C:f:Opvz")) != -1) {
- switch (opt) {
- /* One and only one of these is required */
-#ifdef CONFIG_FEATURE_TAR_CREATE
- case 'c':
- ctx_flag |= CTX_CREATE;
- break;
-#endif
- case 't':
- ctx_flag |= CTX_TEST;
+ tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS | ARCHIVE_PRESERVE_DATE;
+
+ bb_opt_complementaly = "c~tx:t~cx:x~ct:X*";
+ opt = bb_getopt_ulflags(argc, argv, tar_options,
+ NULL, /* T: arg is ignored by default
+ a list is an include list */
+ &(tar_handle->reject),
+ &base_dir, /* Change to dir <optarg> */
+ &tar_filename); /* archive filename */
+ /* Check one and only one context option was given */
+ if(opt & 0x80000000UL)
+ bb_show_usage();
+ ctx_flag = opt & (CTX_CREATE | CTX_TEST | CTX_EXTRACT);
+ if(ctx_flag & CTX_TEST) {
if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list)) {
tar_handle->action_header = header_verbose_list;
} else {
tar_handle->action_header = header_list;
}
- break;
- case 'x':
- ctx_flag |= CTX_EXTRACT;
- tar_handle->action_data = data_extract_all;
- break;
-
- /* These are optional */
- /* Exclude or Include files listed in <filename> */
-#ifdef CONFIG_FEATURE_TAR_EXCLUDE
- case 'X':
- tar_handle->reject =
- append_file_list_to_list(optarg, tar_handle->reject);
- break;
-#endif
- case 'T':
- /* by default a list is an include list */
- break;
- case 'C': /* Change to dir <optarg> */
- base_dir = optarg;
- break;
- case 'f': /* archive filename */
- tar_filename = optarg;
- break;
- case 'O': /* To stdout */
+ }
+ if(ctx_flag & CTX_EXTRACT) {
+ if (tar_handle->action_data != data_extract_to_stdout)
+ tar_handle->action_data = data_extract_all;
+ }
+ if(opt & TAR_OPT_2STDOUT) {
+ /* To stdout */
tar_handle->action_data = data_extract_to_stdout;
- break;
- case 'p':
- tar_handle->flags |= ARCHIVE_PRESERVE_DATE;
- break;
- case 'v':
+ }
+ if(opt & TAR_OPT_VERBOSE) {
if ((tar_handle->action_header == header_list) ||
- (tar_handle->action_header == header_verbose_list)) {
+ (tar_handle->action_header == header_verbose_list))
+ {
tar_handle->action_header = header_verbose_list;
} else {
tar_handle->action_header = header_list;
}
- break;
+ }
#ifdef CONFIG_FEATURE_TAR_GZIP
- case 'z':
+ if(opt & TAR_OPT_GZIP) {
get_header_ptr = get_header_tar_gz;
- break;
+ }
#endif
#ifdef CONFIG_FEATURE_TAR_BZIP2
- case 'j':
+ if(opt & TAR_OPT_BZIP2) {
get_header_ptr = get_header_tar_bz2;
- break;
-#endif
- default:
- bb_show_usage();
- }
}
-
- /* Check one and only one context option was given */
- if ((ctx_flag != CTX_CREATE) && (ctx_flag != CTX_TEST) && (ctx_flag != CTX_EXTRACT)) {
- bb_show_usage();
+#endif
+#ifdef CONFIG_FEATURE_TAR_EXCLUDE
+ if(opt & TAR_OPT_EXCLUDE) {
+ tar_handle->reject = append_file_list_to_list(tar_handle->reject);
}
-
+#endif
/* Check if we are reading from stdin */
if ((argv[optind]) && (*argv[optind] == '-')) {
/* Default is to read from stdin, so just skip to next arg */
gzipFlag = TRUE;
}
# endif /* CONFIG_FEATURE_TAR_GZIP */
+# ifdef CONFIG_FEATURE_TAR_BZIP2
+ if (get_header_ptr == get_header_tar_bz2) {
+ bb_error_msg_and_die("Creating bzip2 compressed archives is not currently supported.");
+ }
+# endif /* CONFIG_FEATURE_TAR_BZIP2 */
- if (tar_handle->action_header == header_verbose_list) {
+ if ((tar_handle->action_header == header_list) ||
+ (tar_handle->action_header == header_verbose_list)) {
verboseFlag = TRUE;
}
writeTarFile(tar_filename, verboseFlag, tar_handle->accept,
projects / oweals / busybox.git / blobdiff