X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fwim.c;h=c320b311ea21f32be9c2e06c0e65ed696a029c5a;hp=4060fa581d4cbf0ebf0146af7f3cd67b5f5667cd;hb=4f8059f2d0a74a9922128b162d9c9343b305999c;hpb=f3e97b29c4a8c564d54b0fd11cd43a9b4cd6a8ad

diff --git a/src/wim.c b/src/wim.c
index 4060fa58..c320b311 100644
--- a/src/wim.c
+++ b/src/wim.c
@@ -32,11 +32,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-#ifdef WITH_NTFS_3G
-#  include <time.h>
-#  include <ntfs-3g/volume.h>
-#endif
-
 #ifdef __WIN32__
 #  include "win32.h"
 #else
@@ -70,15 +65,11 @@ static WIMStruct *
 new_wim_struct()
 {
 	WIMStruct *w = CALLOC(1, sizeof(WIMStruct));
-#ifdef WITH_FUSE
-	if (pthread_mutex_init(&w->fp_tab_mutex, NULL) != 0) {
-		ERROR_WITH_ERRNO("Failed to initialize mutex");
-		FREE(w);
-		w = NULL;
+	if (w) {
+		w->in_fd = -1;
+		w->out_fd = -1;
 	}
-#endif
 	return w;
-
 }
 
 /*
@@ -299,6 +290,8 @@ wimlib_print_wim_information(const WIMStruct *w)
 		wim_info_get_total_bytes(w->wim_info));
 	tprintf(T("Integrity Info: %"TS"\n"),
 		(w->hdr.integrity.offset != 0) ? T("yes") : T("no"));
+	tprintf(T("Relative path junction: %"TS"\n"),
+		(hdr->flags & WIM_HDR_FLAG_RP_FIX) ? T("yes") : T("no"));
 	tputchar(T('\n'));
 }
 
@@ -391,6 +384,37 @@ wimlib_get_boot_idx(const WIMStruct *w)
 	return w->hdr.boot_idx;
 }
 
+static int
+do_open_wim(const tchar *filename, int *fd_ret)
+{
+	int fd;
+
+	fd = topen(filename, O_RDONLY | O_BINARY);
+	if (fd == -1) {
+		ERROR_WITH_ERRNO("Can't open \"%"TS"\" read-only", filename);
+		return WIMLIB_ERR_OPEN;
+	}
+	*fd_ret = fd;
+	return 0;
+}
+
+int
+reopen_wim(WIMStruct *w)
+{
+	wimlib_assert(w->in_fd == -1);
+	return do_open_wim(w->filename, &w->in_fd);
+}
+
+int
+close_wim(WIMStruct *w)
+{
+	if (w->in_fd != -1) {
+		close(w->in_fd);
+		w->in_fd = -1;
+	}
+	return 0;
+}
+
 /*
  * Begins the reading of a WIM file; opens the file and reads its header and
  * lookup table, and optionally checks the integrity.
@@ -404,12 +428,9 @@ begin_read(WIMStruct *w, const tchar *in_wim_path, int open_flags,
 
 	DEBUG("Reading the WIM file `%"TS"'", in_wim_path);
 
-	w->fp = tfopen(in_wim_path, T("rb"));
-	if (!w->fp) {
-		ERROR_WITH_ERRNO("Failed to open `%"TS"' for reading",
-				 in_wim_path);
-		return WIMLIB_ERR_OPEN;
-	}
+	ret = do_open_wim(in_wim_path, &w->in_fd);
+	if (ret)
+		return ret;
 
 	/* The absolute path to the WIM is requested so that wimlib_overwrite()
 	 * still works even if the process changes its working directory.  This
@@ -432,7 +453,7 @@ begin_read(WIMStruct *w, const tchar *in_wim_path, int open_flags,
 			return WIMLIB_ERR_OPEN;
 	}
 
-	ret = read_header(w->fp, &w->hdr, open_flags);
+	ret = read_header(w->in_fd, &w->hdr, open_flags);
 	if (ret)
 		return ret;
 
@@ -475,8 +496,7 @@ begin_read(WIMStruct *w, const tchar *in_wim_path, int open_flags,
 	if (ret)
 		return ret;
 
-	ret = read_xml_data(w->fp, &w->hdr.xml_res_entry,
-			    &w->xml_data, &w->wim_info);
+	ret = read_xml_data(w->in_fd, &w->hdr.xml_res_entry, &w->wim_info);
 	if (ret)
 		return ret;
 
@@ -540,6 +560,12 @@ destroy_image_metadata(struct wim_image_metadata *imd,
 	}
 	INIT_LIST_HEAD(&imd->unhashed_streams);
 	INIT_LIST_HEAD(&imd->inode_list);
+#ifdef WITH_NTFS_3G
+	if (imd->ntfs_vol) {
+		do_ntfs_umount(imd->ntfs_vol);
+		imd->ntfs_vol = NULL;
+	}
+#endif
 }
 
 void
@@ -576,7 +602,7 @@ struct wim_image_metadata *
 new_image_metadata()
 {
 	struct wim_image_metadata *imd;
-	
+
 	imd = CALLOC(1, sizeof(*imd));
 	if (imd) {
 		imd->refcnt = 1;
@@ -616,6 +642,26 @@ new_image_metadata_array(unsigned num_images)
 	return imd_array;
 }
 
+/* Checksum all streams that are unhashed (other than the metadata streams),
+ * merging them into the lookup table as needed.  This is a no-op unless the
+ * library has previously used to add or mount an image using the same
+ * WIMStruct. */
+int
+wim_checksum_unhashed_streams(WIMStruct *w)
+{
+	int ret;
+	for (int i = 0; i < w->hdr.image_count; i++) {
+		struct wim_lookup_table_entry *lte, *tmp;
+		struct wim_image_metadata *imd = w->image_metadata[i];
+		image_for_each_unhashed_stream_safe(lte, tmp, imd) {
+			ret = hash_unhashed_stream(lte, w->lookup_table, NULL);
+			if (ret)
+				return ret;
+		}
+	}
+	return 0;
+}
+
 /* Frees the memory for the WIMStruct, including all internal memory; also
  * closes all files associated with the WIMStruct.  */
 WIMLIBAPI void
@@ -625,37 +671,20 @@ wimlib_free(WIMStruct *w)
 
 	if (!w)
 		return;
-	if (w->fp)
-		fclose(w->fp);
-	if (w->out_fp)
-		fclose(w->out_fp);
-
-#ifdef WITH_FUSE
-	if (w->fp_tab) {
-		for (size_t i = 0; i < w->num_allocated_fps; i++)
-			if (w->fp_tab[i])
-				fclose(w->fp_tab[i]);
-		FREE(w->fp_tab);
-	}
-	pthread_mutex_destroy(&w->fp_tab_mutex);
-#endif
+	if (w->in_fd != -1)
+		close(w->in_fd);
+	if (w->out_fd != -1)
+		close(w->out_fd);
 
 	free_lookup_table(w->lookup_table);
 
 	FREE(w->filename);
-	FREE(w->xml_data);
 	free_wim_info(w->wim_info);
 	if (w->image_metadata) {
 		for (unsigned i = 0; i < w->hdr.image_count; i++)
 			put_image_metadata(w->image_metadata[i], NULL);
 		FREE(w->image_metadata);
 	}
-#ifdef WITH_NTFS_3G
-	if (w->ntfs_vol) {
-		DEBUG("Unmounting NTFS volume");
-		ntfs_umount(w->ntfs_vol, FALSE);
-	}
-#endif
 	FREE(w);
 	DEBUG("Freed WIMStruct");
 }
@@ -675,16 +704,17 @@ test_locale_ctype_utf8()
 #endif
 }
 
-/* Get global memory allocations out of the way,
- * single-threaded programs like 'imagex'. */
 WIMLIBAPI int
-wimlib_global_init()
+wimlib_global_init(int init_flags)
 {
 	libxml_global_init();
-#ifdef WITH_NTFS_3G
-	libntfs3g_global_init();
-#endif
-	wimlib_mbs_is_utf8 = test_locale_ctype_utf8();
+	if (!(init_flags & WIMLIB_INIT_FLAG_ASSUME_UTF8)) {
+		wimlib_mbs_is_utf8 = test_locale_ctype_utf8();
+	#ifdef WITH_NTFS_3G
+		if (!wimlib_mbs_is_utf8)
+			libntfs3g_global_init();
+	#endif
+	}
 #ifdef __WIN32__
 	win32_global_init();
 #endif