Add wimlib_{get,set}_wim_info()

[wimlib] / src / wim.c

diff --git a/src/wim.c b/src/wim.c
index cfe100d69b516fcb0633c1ad784496b9c2f39880..2a3c08c10eda14a8e58453736a8095f455620336 100644 (file)
--- a/src/wim.c
+++ b/src/wim.c
@@ -152,12 +152,6 @@ out_free:
        return ret;
 }
 
-WIMLIBAPI int
-wimlib_get_num_images(const WIMStruct *w)
-{
-       return w->hdr.image_count;
-}
-
 int
 select_wim_image(WIMStruct *w, int image)
 {
@@ -208,13 +202,6 @@ select_wim_image(WIMStruct *w, int image)
 }
 
 
-/* Returns the compression type of the WIM file. */
-WIMLIBAPI int
-wimlib_get_compression_type(const WIMStruct *w)
-{
-       return w->compression_type;
-}
-
 WIMLIBAPI const tchar *
 wimlib_get_compression_type_string(int ctype)
 {
@@ -350,34 +337,128 @@ wimlib_print_files(WIMStruct *w, int image)
        return for_image(w, image, image_print_files);
 }
 
-/* Sets the index of the bootable image. */
 WIMLIBAPI int
-wimlib_set_boot_idx(WIMStruct *wim, int boot_idx)
+wimlib_get_wim_info(WIMStruct *wim, struct wimlib_wim_info *info)
+{
+       memset(info, 0, sizeof(struct wimlib_wim_info));
+       memcpy(info->guid, wim->hdr.guid, WIMLIB_GUID_LEN);
+       info->image_count = wim->hdr.image_count;
+       info->boot_index = wim->hdr.boot_idx;
+       info->wim_version = WIM_VERSION;
+       info->chunk_size = WIM_CHUNK_SIZE;
+       info->part_number = wim->hdr.part_number;
+       info->total_parts = wim->hdr.total_parts;
+       info->compression_type = wim->compression_type;
+       if (wim->wim_info)
+               info->total_bytes = wim->wim_info->total_bytes;
+       else
+               info->total_bytes = 0;
+       info->has_integrity_table = wim->hdr.integrity.offset != 0;
+       info->opened_from_file = (wim->filename != NULL);
+       info->is_readonly == (wim->hdr.flags & WIM_HDR_FLAG_READONLY) ||
+                            (wim->hdr.total_parts != 1) ||
+                            (wim->filename && taccess(wim->filename, W_OK));
+       info->has_rpfix = (wim->hdr.flags & WIM_HDR_FLAG_RP_FIX) != 0;
+       info->is_marked_readonly = (wim->hdr.flags & WIM_HDR_FLAG_READONLY) != 0;
+       info->write_in_progress = (wim->hdr.flags & WIM_HDR_FLAG_WRITE_IN_PROGRESS) != 0;
+       info->metadata_only = (wim->hdr.flags & WIM_HDR_FLAG_METADATA_ONLY) != 0;
+       info->resource_only = (wim->hdr.flags & WIM_HDR_FLAG_RESOURCE_ONLY) != 0;
+       info->spanned = (wim->hdr.flags & WIM_HDR_FLAG_SPANNED) != 0;
+       return 0;
+}
+
+
+/* Deprecated */
+WIMLIBAPI int
+wimlib_get_boot_idx(const WIMStruct *wim)
 {
-       int ret;
+       struct wimlib_wim_info info;
 
-       ret = can_modify_wim(wim);
-       if (ret)
-               return ret;
-       if (boot_idx < 0 || boot_idx > wim->hdr.image_count)
-               return WIMLIB_ERR_INVALID_IMAGE;
-       wim->hdr.boot_idx = boot_idx;
-       return 0;
+       wimlib_get_wim_info((WIMStruct*)wim, &info);
+       return info.boot_index;
+}
+
+/* Deprecated */
+WIMLIBAPI int
+wimlib_get_compression_type(const WIMStruct *wim)
+{
+       struct wimlib_wim_info info;
+
+       wimlib_get_wim_info((WIMStruct*)wim, &info);
+       return info.compression_type;
+}
+
+/* Deprecated */
+WIMLIBAPI int
+wimlib_get_num_images(const WIMStruct *wim)
+{
+       struct wimlib_wim_info info;
+
+       wimlib_get_wim_info((WIMStruct*)wim, &info);
+       return info.image_count;
 }
 
+/* Deprecated */
 WIMLIBAPI int
-wimlib_get_part_number(const WIMStruct *w, int *total_parts_ret)
+wimlib_get_part_number(const WIMStruct *wim, int *total_parts_ret)
 {
+       struct wimlib_wim_info info;
+
+       wimlib_get_wim_info((WIMStruct*)wim, &info);
        if (total_parts_ret)
-               *total_parts_ret = w->hdr.total_parts;
-       return w->hdr.part_number;
+               *total_parts_ret = info.total_parts;
+       return info.part_number;
 }
 
+WIMLIBAPI int
+wimlib_set_wim_info(WIMStruct *wim, const struct wimlib_wim_info *info, int which)
+{
+       int ret;
+
+       if (which & WIMLIB_CHANGE_READONLY_FLAG) {
+               if (info->is_marked_readonly)
+                       wim->hdr.flags |= WIM_HDR_FLAG_READONLY;
+               else
+                       wim->hdr.flags &= ~WIM_HDR_FLAG_READONLY;
+       }
 
+       if ((which & ~WIMLIB_CHANGE_READONLY_FLAG) == 0)
+               return 0;
+
+       ret = can_modify_wim(wim);
+       if (ret)
+               return ret;
+
+       if (which & WIMLIB_CHANGE_GUID)
+               memcpy(wim->hdr.guid, info->guid, WIM_GID_LEN);
+
+       if (which & WIMLIB_CHANGE_BOOT_INDEX) {
+               if (info->boot_index < 0 || info->boot_index > wim->hdr.image_count)
+               {
+                       ERROR("%u is not 0 or a valid image in the WIM to mark as bootable",
+                             info->boot_index);
+                       return WIMLIB_ERR_INVALID_IMAGE;
+               }
+               wim->hdr.boot_idx = info->boot_index;
+       }
+
+       if (which & WIMLIB_CHANGE_RPFIX_FLAG) {
+               if (info->has_rpfix)
+                       wim->hdr.flags |= WIM_HDR_FLAG_RP_FIX;
+               else
+                       wim->hdr.flags &= ~WIM_HDR_FLAG_RP_FIX;
+       }
+       return 0;
+}
+
+/* Deprecated */
 WIMLIBAPI int
-wimlib_get_boot_idx(const WIMStruct *w)
+wimlib_set_boot_idx(WIMStruct *wim, int boot_idx)
 {
-       return w->hdr.boot_idx;
+       struct wimlib_wim_info info;
+
+       info.boot_index = boot_idx;
+       return wimlib_set_wim_info(wim, &info, WIMLIB_CHANGE_BOOT_INDEX);
 }
 
 static int