X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fwim.c;h=73f0060e834dc5302574baa98b60ece2dc871986;hb=87345050a103f26b8bd4be4b26f26e2931345317;hp=cfe100d69b516fcb0633c1ad784496b9c2f39880;hpb=c9482ee98e12fa3f1073e4fc3c56f5eef3c40f32;p=wimlib

diff --git a/src/wim.c b/src/wim.c
index cfe100d6..73f0060e 100644
--- a/src/wim.c
+++ b/src/wim.c
@@ -125,6 +125,8 @@ wimlib_create_new_wim(int ctype, WIMStruct **w_ret)
 	struct wim_lookup_table *table;
 	int ret;
 
+	wimlib_global_init(WIMLIB_INIT_FLAG_ASSUME_UTF8);
+
 	DEBUG("Creating new WIM with %"TS" compression.",
 	      wimlib_get_compression_type_string(ctype));
 
@@ -152,12 +154,6 @@ 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)
 {
@@ -180,6 +176,11 @@ select_wim_image(WIMStruct *w, int image)
 		return WIMLIB_ERR_INVALID_IMAGE;
 	}
 
+	if (w->hdr.part_number != 1) {
+		ERROR("Cannot select an image from a non-first part of a split WIM");
+		return WIMLIB_ERR_SPLIT_UNSUPPORTED;
+	}
+
 	/* If a valid image is currently selected, it can be freed if it is not
 	 * modified.  */
 	if (w->current_image != WIMLIB_NO_IMAGE) {
@@ -208,13 +209,6 @@ 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)
 {
@@ -265,37 +259,31 @@ wimlib_resolve_image(WIMStruct *w, const tchar *image_name_or_num)
 
 /* Prints some basic information about a WIM file. */
 WIMLIBAPI void
-wimlib_print_wim_information(const WIMStruct *w)
+wimlib_print_wim_information(const WIMStruct *wim)
 {
-	const struct wim_header *hdr;
+	struct wimlib_wim_info info;
+
+	wimlib_get_wim_info((WIMStruct*)wim, &info);
 
-	hdr = &w->hdr;
 	tputs(T("WIM Information:"));
 	tputs(T("----------------"));
-	tprintf(T("Path:           %"TS"\n"), w->filename);
+	tprintf(T("Path:           %"TS"\n"), wim->filename);
 	tfputs(T("GUID:           0x"), stdout);
-	print_byte_field(hdr->guid, WIM_GID_LEN, stdout);
+	print_byte_field(info.guid, WIM_GID_LEN, stdout);
 	tputchar(T('\n'));
-	tprintf(T("Image Count:    %d\n"), hdr->image_count);
+	tprintf(T("Image Count:    %d\n"), info.image_count);
 	tprintf(T("Compression:    %"TS"\n"),
-		wimlib_get_compression_type_string(w->compression_type));
-	tprintf(T("Part Number:    %d/%d\n"), hdr->part_number, hdr->total_parts);
-	tprintf(T("Boot Index:     %d\n"), hdr->boot_idx);
-	tprintf(T("Size:           %"PRIu64" bytes\n"),
-		wim_info_get_total_bytes(w->wim_info));
+		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"),
-		(w->hdr.integrity.offset != 0) ? T("yes") : T("no"));
+		info.has_integrity_table ? T("yes") : T("no"));
 	tprintf(T("Relative path junction: %"TS"\n"),
-		(hdr->flags & WIM_HDR_FLAG_RP_FIX) ? T("yes") : T("no"));
+		info.has_rpfix ? T("yes") : T("no"));
 	tputchar(T('\n'));
 }
 
-WIMLIBAPI bool
-wimlib_has_integrity_table(const WIMStruct *w)
-{
-	return w->hdr.integrity.size != 0;
-}
-
 WIMLIBAPI void
 wimlib_print_available_images(const WIMStruct *w, int image)
 {
@@ -350,34 +338,138 @@ 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;
+}
+
+/* Deprecated */
+WIMLIBAPI bool
+wimlib_has_integrity_table(const WIMStruct *wim)
+{
+	struct wimlib_wim_info info;
+
+	wimlib_get_wim_info((WIMStruct*)wim, &info);
+	return info.has_integrity_table;
 }
 
+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
@@ -553,6 +645,8 @@ wimlib_open_wim(const tchar *wim_file, int open_flags,
 	WIMStruct *wim;
 	int ret;
 
+	wimlib_global_init(WIMLIB_INIT_FLAG_ASSUME_UTF8);
+
 	ret = WIMLIB_ERR_INVALID_PARAM;
 	if (!wim_file || !wim_ret)
 		goto out;
@@ -799,6 +893,10 @@ test_locale_ctype_utf8(void)
 WIMLIBAPI int
 wimlib_global_init(int init_flags)
 {
+	static bool already_inited = false;
+
+	if (already_inited)
+		return 0;
 	libxml_global_init();
 	if (!(init_flags & WIMLIB_INIT_FLAG_ASSUME_UTF8)) {
 		wimlib_mbs_is_utf8 = test_locale_ctype_utf8();
@@ -810,6 +908,7 @@ wimlib_global_init(int init_flags)
 #ifdef __WIN32__
 	win32_global_init();
 #endif
+	already_inited = true;
 	return 0;
 }