* join.c
*
* Join split WIMs (sometimes named as .swm files) together into one WIM.
+ */
+
+/*
+ * Copyright (C) 2012, 2013 Eric Biggers
*
- * Copyright (C) 2010 Carl Thijssen
- * Copyright (C) 2012 Eric Biggers
- *
- * wimlib - Library for working with WIM files
+ * This file is part of wimlib, a library for working with WIM files.
*
- * This library is free software; you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the Free
- * Software Foundation; either version 2.1 of the License, or (at your option) any
- * later version.
+ * wimlib is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option)
+ * any later version.
*
- * This library is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
*
- * You should have received a copy of the GNU Lesser General Public License along
- * with this library; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the GNU General Public License
+ * along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
-#include "wimlib.h"
-#include "lookup_table.h"
-#include "xml.h"
-
-static int join_resource(struct lookup_table_entry *lte, void *split_wim)
-{
- FILE *split_wim_fp = ((WIMStruct*)split_wim)->fp;
- FILE *joined_wim_fp = ((WIMStruct*)split_wim)->out_fp;
- int ret;
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
- u64 size = lte->resource_entry.size;
- u64 offset = lte->resource_entry.offset;
- off_t new_offset = ftello(joined_wim_fp);
-
- if (new_offset == -1)
- return WIMLIB_ERR_WRITE;
-
- ret = copy_between_files(split_wim_fp, offset, joined_wim_fp, size);
- if (ret != 0)
- return ret;
-
- memcpy(<e->output_resource_entry, <e->resource_entry,
- sizeof(struct resource_entry));
-
- lte->output_resource_entry.offset = new_offset;
- lte->out_refcnt = lte->refcnt;
- lte->part_number = 1;
- return 0;
-}
-
-static int join_wims(WIMStruct **swms, uint num_swms, WIMStruct *joined_wim,
- int write_flags)
+#include "wimlib.h"
+#include "wimlib/types.h"
+#include "wimlib/util.h"
+#include "wimlib/wim.h"
+
+/* API function documented in wimlib.h */
+WIMLIBAPI int
+wimlib_join(const tchar * const *swm_names,
+ unsigned num_swms,
+ const tchar *output_path,
+ int swm_open_flags,
+ int wim_write_flags,
+ wimlib_progress_func_t progress_func)
{
- uint i;
int ret;
- FILE *out_fp = joined_wim->out_fp;
- u64 total_bytes = wim_info_get_total_bytes(swms[0]->wim_info);
-
- /* The following loop writes both file resources and metadata resources
- * because it loops over the lookup table entries rather than the dentry
- * tree for the images */
- for (i = 0; i < num_swms; i++) {
- if (write_flags & WIMLIB_WRITE_FLAG_SHOW_PROGRESS) {
- off_t cur_offset = ftello(out_fp);
- printf("Writing resources from part %u of %u "
- "(%"PRIu64" of %"PRIu64" bytes, %.2f%% done)\n",
- i + 1, num_swms,
- cur_offset, total_bytes,
- (double)cur_offset / total_bytes * 100.0);
- }
- swms[i]->out_fp = out_fp;
- ret = for_lookup_table_entry(swms[i]->lookup_table,
- join_resource, swms[i]);
- if (ret != 0)
- return ret;
+ unsigned i;
+ unsigned j;
+ WIMStruct *swm0;
+ WIMStruct **swms;
+ unsigned num_additional_swms;
+ WIMStruct *wim;
+
+ swm_open_flags |= WIMLIB_OPEN_FLAG_SPLIT_OK;
+
+ if (num_swms < 1 || num_swms > 0xffff)
+ return WIMLIB_ERR_INVALID_PARAM;
+ num_additional_swms = num_swms - 1;
+
+ swms = CALLOC(num_additional_swms, sizeof(swms[0]));
+ if (!swms)
+ return WIMLIB_ERR_NOMEM;
+
+ swm0 = NULL;
+ for (i = 0, j = 0; i < num_swms; i++) {
+ WIMStruct *swm;
+
+ ret = wimlib_open_wim(swm_names[i], swm_open_flags, &swm,
+ progress_func);
+ if (ret)
+ goto out_free_swms;
+ if (swm->hdr.part_number == 1 && swm0 == NULL)
+ swm0 = swm;
+ else
+ swms[j++] = swm;
}
- off_t lookup_table_offset = ftello(out_fp);
-
- if (write_flags & WIMLIB_WRITE_FLAG_SHOW_PROGRESS)
- printf("Writing lookup tables, XML data, and header\n");
- /* Now write the lookup table for the joined wim. Since the lookup
- * table has no header, we can just concatenate the lookup tables of all
- * the SWM parts. */
- for (i = 0; i < num_swms; i++) {
- ret = write_lookup_table(swms[i]->lookup_table, out_fp);
- if (ret != 0)
- return ret;
+ if (!swm0) {
+ ret = WIMLIB_ERR_SPLIT_INVALID;
+ goto out_free_swms;
}
- off_t xml_data_offset = ftello(out_fp);
- if (lookup_table_offset == -1 || xml_data_offset == -1) {
- ERROR("Failed to get file offset: %m\n");
- return WIMLIB_ERR_WRITE;
+ ret = wimlib_create_new_wim(swm0->compression_type, &wim);
+ if (ret)
+ goto out_free_swms;
+
+ ret = wimlib_export_image(swm0, WIMLIB_ALL_IMAGES,
+ wim, NULL, NULL, 0,
+ swms, num_additional_swms,
+ progress_func);
+ if (ret)
+ goto out_free_wim;
+
+ wim->hdr.flags |= swm0->hdr.flags & (WIM_HDR_FLAG_RP_FIX |
+ WIM_HDR_FLAG_READONLY);
+ if (!(wim_write_flags & (WIMLIB_WRITE_FLAG_CHECK_INTEGRITY |
+ WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY)))
+ {
+ if (wim_has_integrity_table(swm0))
+ wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
}
- swms[0]->hdr.lookup_table_res_entry.offset = lookup_table_offset;
- swms[0]->hdr.lookup_table_res_entry.size =
- xml_data_offset - lookup_table_offset;
-
- swms[0]->hdr.flags &= ~WIM_HDR_FLAG_SPANNED;
-
- /* finish_write is called on the first swm, not the joined_wim, because
- * the first swm is the one that has the image metadata and XML data
- * attached to it. */
- return finish_write(swms[0], WIM_ALL_IMAGES, write_flags, 0);
-}
-
-
-WIMLIBAPI int wimlib_join(const char **swm_names, int num_swms,
- const char *output_path, int flags)
-{
- int i;
- int ret;
- int part_idx;
- int write_flags = 0;
- WIMStruct *w;
- WIMStruct *joined_wim = NULL;
- WIMStruct *swms[num_swms];
-
- /* keep track of ctype and guid just to make sure they are the same for
- * all the WIMs. */
- int ctype;
- u8 *guid;
-
- ZERO_ARRAY(swms);
- for (i = 0; i < num_swms; i++) {
- ret = wimlib_open_wim(swm_names[i],
- flags | WIMLIB_OPEN_FLAG_SPLIT_OK, &w);
- if (ret != 0)
- goto err;
-
- if (i == 0) {
- ctype = wimlib_get_compression_type(w);
- guid = w->hdr.guid;
- } else {
- if (wimlib_get_compression_type(w) != ctype) {
- ERROR("The split WIMs do not all have the same "
- "compression type!\n");
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- if (memcmp(guid, w->hdr.guid, WIM_GID_LEN) != 0) {
- ERROR("The split WIMs do not all have the "
- "same GUID!\n");
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- }
- if (w->hdr.total_parts != num_swms) {
- ERROR("`%s' (part %d) says there are %d total parts,\n"
- "but %d parts were specified!\n",
- swm_names[i], w->hdr.part_number,
- w->hdr.total_parts, num_swms);
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- if (w->hdr.part_number == 0 || w->hdr.part_number > num_swms) {
- ERROR("`%s' says it is part %d, but expected a number\n"
- "between 1 and %d!\n",
- swm_names[i], w->hdr.part_number, num_swms);
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- part_idx = w->hdr.part_number - 1;
- if (swms[part_idx] != NULL) {
- ERROR("`%s' and `%s' both say they are part %d of %d!\n",
- swm_names[i], swms[part_idx]->filename,
- w->hdr.part_number, num_swms);
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- swms[part_idx] = w;
-
- }
- joined_wim = new_wim_struct();
- if (!joined_wim) {
- ret = WIMLIB_ERR_NOMEM;
- goto err;
+ if (!(wim_write_flags & (WIMLIB_WRITE_FLAG_PIPABLE |
+ WIMLIB_WRITE_FLAG_NOT_PIPABLE)))
+ {
+ if (wim_is_pipable(swm0))
+ wim_write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
}
- if (flags & WIMLIB_OPEN_FLAG_CHECK_INTEGRITY)
- write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
- if (flags & WIMLIB_OPEN_FLAG_SHOW_PROGRESS)
- write_flags |= WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
- ret = begin_write(joined_wim, output_path, write_flags);
- if (ret != 0)
- goto err;
- ret = join_wims(swms, num_swms, joined_wim, write_flags);
-err:
- for (i = 0; i < num_swms; i++) {
- /* out_fp is the same in all the swms and joined_wim; only close
- * it one time, when freeing joined_wim. */
- swms[i]->out_fp = NULL;
+ ret = wimlib_write(wim, output_path, WIMLIB_ALL_IMAGES,
+ wim_write_flags, 1, progress_func);
+out_free_wim:
+ wimlib_free(wim);
+out_free_swms:
+ for (i = 0; i < num_additional_swms; i++)
wimlib_free(swms[i]);
- }
- wimlib_free(joined_wim);
+ FREE(swms);
+ wimlib_free(swm0);
return ret;
}
git://wimlib.net / wimlib / blobdiff