Add --path option to wimlib-imagex dir
authorEric Biggers <ebiggers3@gmail.com>
Thu, 23 May 2013 06:49:27 +0000 (01:49 -0500)
committerEric Biggers <ebiggers3@gmail.com>
Thu, 23 May 2013 06:49:27 +0000 (01:49 -0500)
programs/imagex.c

index 114424e..c1d817b 100644 (file)
@@ -125,7 +125,7 @@ IMAGEX_PROGNAME" delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check] [--soft
 ),
 [DIR] =
 T(
-IMAGEX_PROGNAME" dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n"
+IMAGEX_PROGNAME" dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH]\n"
 ),
 [EXPORT] =
 T(
@@ -221,6 +221,7 @@ enum {
        IMAGEX_METADATA_OPTION,
        IMAGEX_NORPFIX_OPTION,
        IMAGEX_NO_ACLS_OPTION,
+       IMAGEX_PATH_OPTION,
        IMAGEX_REBUILD_OPTION,
        IMAGEX_RECOMPRESS_OPTION,
        IMAGEX_RECURSIVE_OPTION,
@@ -279,6 +280,11 @@ static const struct option delete_options[] = {
        {NULL, 0, NULL, 0},
 };
 
+static const struct option dir_options[] = {
+       {T("path"), required_argument, NULL, IMAGEX_PATH_OPTION},
+       {NULL, 0, NULL, 0},
+};
+
 static const struct option export_options[] = {
        {T("boot"),       no_argument,       NULL, IMAGEX_BOOT_OPTION},
        {T("check"),      no_argument,       NULL, IMAGEX_CHECK_OPTION},
@@ -1971,8 +1977,8 @@ out:
 static int
 print_full_path(const struct wimlib_wim_dentry *wdentry, void *_ignore)
 {
-       tprintf(T("%"TS"\n"), wdentry->full_path);
-       return 0;
+       int ret = tprintf(T("%"TS"\n"), wdentry->full_path);
+       return (ret >= 0) ? 0 : -1;
 }
 
 /* Print the files contained in an image(s) in a WIM file. */
@@ -1980,53 +1986,68 @@ static int
 imagex_dir(int argc, tchar **argv)
 {
        const tchar *wimfile;
-       WIMStruct *w;
+       WIMStruct *wim = NULL;
        int image;
        int ret;
-       int num_images;
+       const tchar *path = T("");
+       int c;
 
-       if (argc < 2) {
+       for_opt(c, dir_options) {
+               switch (c) {
+               case IMAGEX_PATH_OPTION:
+                       path = optarg;
+                       break;
+               default:
+                       goto out_usage;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (argc < 1) {
                imagex_error(T("Must specify a WIM file"));
-               usage(DIR);
-               return -1;
+               goto out_usage;
        }
-       if (argc > 3) {
+       if (argc > 2) {
                imagex_error(T("Too many arguments"));
-               usage(DIR);
-               return -1;
+               goto out_usage;
        }
 
-       wimfile = argv[1];
-       ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w,
+       wimfile = argv[0];
+       ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &wim,
                              imagex_progress_func);
-       if (ret != 0)
-               return ret;
+       if (ret)
+               goto out;
 
-       if (argc == 3) {
-               image = wimlib_resolve_image(w, argv[2]);
-               ret = verify_image_exists(image, argv[2], wimfile);
-               if (ret != 0)
-                       goto out;
+       if (argc == 2) {
+               image = wimlib_resolve_image(wim, argv[1]);
+               ret = verify_image_exists(image, argv[1], wimfile);
+               if (ret)
+                       goto out_wimlib_free;
        } else {
                /* Image was not specified.  If the WIM only contains one image,
                 * choose that one; otherwise, print an error. */
-               num_images = wimlib_get_num_images(w);
+               int num_images = wimlib_get_num_images(wim);
                if (num_images != 1) {
                        imagex_error(T("\"%"TS"\" contains %d images; Please "
                                       "select one."), wimfile, num_images);
-                       usage(DIR);
-                       ret = -1;
-                       goto out;
+                       wimlib_free(wim);
+                       goto out_usage;
                }
                image = 1;
        }
 
-       ret = wimlib_iterate_dir_tree(w, image, T(""),
+       ret = wimlib_iterate_dir_tree(wim, image, path,
                                      WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE,
                                      print_full_path, NULL);
+out_wimlib_free:
+       wimlib_free(wim);
 out:
-       wimlib_free(w);
        return ret;
+out_usage:
+       usage(DIR);
+       ret = -1;
+       goto out;
 }
 
 /* Exports one, or all, images from a WIM file to a new WIM file or an existing