imagex_export(): Check errno correctly

[wimlib] / programs / imagex.c

diff --git a/programs/imagex.c b/programs/imagex.c
index c1d817b970490255eb9dfc303f80737b95fe5c50..eeb7093cb806e4e2a5927ddf28eabc044bb36cfa 100644 (file)
--- a/programs/imagex.c
+++ b/programs/imagex.c
@@ -1975,7 +1975,7 @@ out:
 }
 
 static int
-print_full_path(const struct wimlib_wim_dentry *wdentry, void *_ignore)
+print_full_path(const struct wimlib_dir_entry *wdentry, void *_ignore)
 {
        int ret = tprintf(T("%"TS"\n"), wdentry->full_path);
        return (ret >= 0) ? 0 : -1;
@@ -2156,11 +2156,11 @@ imagex_export(int argc, tchar **argv)
                        goto out;
                }
        } else {
-               wim_is_new = true;
                /* dest_wimfile is not an existing file, so create a new WIM. */
-               if (!compression_type_specified)
-                       compression_type = wimlib_get_compression_type(src_w);
                if (errno == ENOENT) {
+                       wim_is_new = true;
+                       if (!compression_type_specified)
+                               compression_type = wimlib_get_compression_type(src_w);
                        ret = wimlib_create_new_wim(compression_type, &dest_w);
                        if (ret != 0)
                                goto out;
@@ -2399,6 +2399,76 @@ out_usage:
        goto out;
 }
 
+static void print_byte_field(const uint8_t field[], size_t len)
+{
+       while (len--)
+               tprintf(T("%02hhx"), *field++);
+}
+
+static void
+print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
+{
+       tputs(T("WIM Information:"));
+       tputs(T("----------------"));
+       tprintf(T("Path:           %"TS"\n"), wimfile);
+       tprintf(T("GUID:           0x"));
+       print_byte_field(info->guid, sizeof(info->guid));
+       tputchar(T('\n'));
+       tprintf(T("Image Count:    %d\n"), info->image_count);
+       tprintf(T("Compression:    %"TS"\n"),
+               wimlib_get_compression_type_string(info->compression_type));
+       tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
+       tprintf(T("Boot Index:     %d\n"), info->boot_index);
+       tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
+       tprintf(T("Integrity Info: %"TS"\n"),
+               info->has_integrity_table ? T("yes") : T("no"));
+       tprintf(T("Relative path junction: %"TS"\n"),
+               info->has_rpfix ? T("yes") : T("no"));
+       tputchar(T('\n'));
+}
+
+static int
+print_resource(const struct wimlib_resource_entry *resource,
+              void *_ignore)
+{
+
+       tprintf(T("Uncompressed size   = %"PRIu64" bytes\n"),
+               resource->uncompressed_size);
+
+       tprintf(T("Compressed size     = %"PRIu64" bytes\n"),
+               resource->compressed_size);
+
+       tprintf(T("Offset              = %"PRIu64" bytes\n"),
+               resource->offset);
+
+
+       tprintf(T("Part Number         = %u\n"), resource->part_number);
+       tprintf(T("Reference Count     = %u\n"), resource->reference_count);
+
+       tprintf(T("Hash                = 0x"));
+       print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
+       tputchar(T('\n'));
+
+       tprintf(T("Flags               = "));
+       if (resource->is_compressed)
+               tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
+       if (resource->is_metadata)
+               tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
+       if (resource->is_free)
+               tprintf(T("WIM_RESHDR_FLAG_FREE  "));
+       if (resource->is_spanned)
+               tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
+       tputchar(T('\n'));
+       tputchar(T('\n'));
+       return 0;
+}
+
+static void
+print_lookup_table(WIMStruct *wim)
+{
+       wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
+}
+
 /* Prints information about a WIM file; also can mark an image as bootable,
  * change the name of an image, or change the description of an image. */
 static int
@@ -2422,9 +2492,7 @@ imagex_info(int argc, tchar **argv)
        int image;
        int ret;
        int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
-       int part_number;
-       int total_parts;
-       int num_images;
+       struct wimlib_wim_info info;
 
        for_opt(c, info_options) {
                switch (c) {
@@ -2485,7 +2553,7 @@ imagex_info(int argc, tchar **argv)
        if (ret != 0)
                return ret;
 
-       part_number = wimlib_get_part_number(w, &total_parts);
+       wimlib_get_wim_info(w, &info);
 
        image = wimlib_resolve_image(w, image_num_or_name);
        if (image == WIMLIB_NO_IMAGE && tstrcmp(image_num_or_name, T("0"))) {
@@ -2500,9 +2568,7 @@ imagex_info(int argc, tchar **argv)
                goto out;
        }
 
-       num_images = wimlib_get_num_images(w);
-
-       if (num_images == 0) {
+       if (info.image_count == 0) {
                if (boot) {
                        imagex_error(T("--boot is meaningless on a WIM with no "
                                       "images"));
@@ -2511,7 +2577,7 @@ imagex_info(int argc, tchar **argv)
                }
        }
 
-       if (image == WIMLIB_ALL_IMAGES && num_images > 1) {
+       if (image == WIMLIB_ALL_IMAGES && info.image_count > 1) {
                if (boot) {
                        imagex_error(T("Cannot specify the --boot flag "
                                       "without specifying a specific "
@@ -2542,18 +2608,18 @@ imagex_info(int argc, tchar **argv)
                }
 
                if (image == WIMLIB_ALL_IMAGES && short_header)
-                       wimlib_print_wim_information(w);
+                       print_wim_information(wimfile, &info);
 
                if (header)
                        wimlib_print_header(w);
 
                if (lookup_table) {
-                       if (total_parts != 1) {
-                               tprintf(T("Warning: Only showing the lookup table "
-                                         "for part %d of a %d-part WIM.\n"),
-                                       part_number, total_parts);
+                       if (info.total_parts != 1) {
+                               tfprintf(stderr, T("Warning: Only showing the lookup table "
+                                                  "for part %d of a %d-part WIM.\n"),
+                                        info.part_number, info.total_parts);
                        }
-                       wimlib_print_lookup_table(w);
+                       print_lookup_table(w);
                }
 
                if (xml) {
@@ -2614,7 +2680,8 @@ imagex_info(int argc, tchar **argv)
                        } else {
                                tprintf(T("Marking image %d as bootable.\n"),
                                        image);
-                               ret = wimlib_set_boot_idx(w, image);
+                               info.boot_index = image;
+                               ret = wimlib_set_wim_info(w, &info, WIMLIB_CHANGE_BOOT_INDEX);
                                if (ret)
                                        goto out;
                        }