Add WIMLIB_EXTRACT_FLAG_WIMBOOT
[wimlib] / src / win32_apply.c
index af8a4ef9b9a9bcfa4e09b00efb721ed6ec4f744b..87582d60d93b3649e76e7e02e7289f6d3c65dd74 100644 (file)
 #include "wimlib/apply.h"
 #include "wimlib/error.h"
 #include "wimlib/lookup_table.h"
+#include "wimlib/xml.h"
+#include "wimlib/wim.h"
+#include "wimlib/wimboot.h"
+
+static void
+ctx_save_data_source_id(struct apply_ctx *ctx, u64 data_source_id)
+{
+       ctx->private[0] = data_source_id & 0xFFFFFFFF;
+       ctx->private[1] = data_source_id >> 32;
+}
+
+static u64
+ctx_get_data_source_id(const struct apply_ctx *ctx)
+{
+       return (u32)ctx->private[0] | ((u64)(u32)ctx->private[1] << 32);
+}
 
 static int
 win32_start_extract(const wchar_t *path, struct apply_ctx *ctx)
@@ -78,6 +94,24 @@ win32_start_extract(const wchar_t *path, struct apply_ctx *ctx)
 
        if (supports_SetFileShortName)
                ctx->supported_features.short_names = 1;
+
+       if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT) {
+
+               u64 data_source_id;
+
+               if (!wim_info_get_wimboot(ctx->wim->wim_info,
+                                         ctx->wim->current_image))
+                       WARNING("Image is not marked as WIMBoot compatible!");
+
+               ret = wimboot_alloc_data_source_id(ctx->wim->filename,
+                                                  ctx->wim->current_image,
+                                                  path, &data_source_id);
+               if (ret)
+                       return ret;
+
+               ctx_save_data_source_id(ctx, data_source_id);
+       }
+
        return 0;
 }
 
@@ -265,6 +299,16 @@ win32_extract_unnamed_stream(file_spec_t file,
                             struct wim_lookup_table_entry *lte,
                             struct apply_ctx *ctx)
 {
+       if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT
+           && lte
+           && lte->resource_location == RESOURCE_IN_WIM
+           && lte->rspec->wim == ctx->wim)
+       {
+               return wimboot_set_pointer(file.path,
+                                          ctx_get_data_source_id(ctx),
+                                          lte->hash);
+       }
+
        return win32_extract_stream(file.path, NULL, 0, lte, ctx);
 }