X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=src%2Fextract.c;h=65b9a359e45bc3a1974ef20ff3556dcad9ae90a3;hb=f94cf6216bdbd93ff7a178d5da15aa47934422df;hp=815f7f6b208e3e5d06b3fda0f7b1c294e4fed369;hpb=2bda83b48d8a6807632312403561b11b79048443;p=chaz%2Ftar diff --git a/src/extract.c b/src/extract.c index 815f7f6..65b9a35 100644 --- a/src/extract.c +++ b/src/extract.c @@ -115,6 +115,19 @@ extr_init (void) same_owner_option += we_are_root; xalloc_fail_func = extract_finish; + /* Save 'root device' to avoid purging mount points. + FIXME: Should the same be done after handling -C option ? */ + if (one_file_system_option) + { + struct stat st; + char *dir = xgetcwd (); + + if (deref_stat (true, dir, &st)) + stat_diag (dir); + else + root_device = st.st_dev; + } + /* Option -p clears the kernel umask, so it does not affect proper restoration of file permissions. New intermediate directories will comply with umask at start of program. */ @@ -315,7 +328,7 @@ delay_set_stat (char const *file_name, struct stat const *stat_info, } /* Update the delayed_set_stat info for an intermediate directory - created on the path to DIR. The intermediate directory turned + created within the file name of DIR. The intermediate directory turned out to be the same as this directory, e.g. due to ".." or symbolic links. *DIR_STAT_INFO is the status of the directory. */ static void @@ -355,7 +368,7 @@ static int make_directories (char *file_name) { char *cursor0 = file_name + FILESYSTEM_PREFIX_LEN (file_name); - char *cursor; /* points into path */ + char *cursor; /* points into the file name */ int did_something = 0; /* did we do anything yet? */ int mode; int invert_permissions; @@ -372,7 +385,7 @@ make_directories (char *file_name) if (cursor == cursor0 || ISSLASH (cursor[-1])) continue; - /* Avoid mkdir where last part of path is "." or "..". */ + /* Avoid mkdir where last part of file name is "." or "..". */ if (cursor[-1] == '.' && (cursor == cursor0 + 1 || ISSLASH (cursor[-2]) @@ -380,7 +393,7 @@ make_directories (char *file_name) && (cursor == cursor0 + 2 || ISSLASH (cursor[-3]))))) continue; - *cursor = '\0'; /* truncate the path there */ + *cursor = '\0'; /* truncate the name there */ mode = MODE_RWX & ~ newdir_umask; invert_permissions = we_are_root ? 0 : MODE_WXUSR & ~ mode; status = mkdir (file_name, mode ^ invert_permissions); @@ -618,9 +631,9 @@ extract_archive (void) print_header (¤t_stat_info, -1); file_name = safer_name_suffix (current_stat_info.file_name, false); - if (strip_path_elements) + if (strip_name_components) { - size_t prefix_len = stripped_prefix_len (file_name, strip_path_elements); + size_t prefix_len = stripped_prefix_len (file_name, strip_name_components); if (prefix_len == (size_t) -1) { skip_member (); @@ -1012,7 +1025,7 @@ extract_archive (void) /* Read the entry and delete files that aren't listed in the archive. */ - gnu_restore (file_name); + purge_directory (file_name); } else if (typeflag == GNUTYPE_DUMPDIR) skip_member ();