*/
/*
- * Copyright (C) 2012 Eric Biggers
+ * Copyright (C) 2012-2016 Eric Biggers
*
- * This file is part of wimlib, a library for working with WIM files.
+ * This file 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 3 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 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 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
+ * This file 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.
*
* You should have received a copy of the GNU Lesser General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
+ * along with this file; if not, see https://www.gnu.org/licenses/.
*/
-#include "wimlib_internal.h"
-#include "lookup_table.h"
-#include "xml.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-static int join_wims(WIMStruct **swms, uint num_swms, WIMStruct *joined_wim,
- int write_flags)
-{
- uint i;
- int ret;
- FILE *out_fp = joined_wim->out_fp;
- u64 total_bytes = wim_info_get_total_bytes(swms[0]->wim_info);
+#include <stdlib.h>
- swms[0]->write_metadata = false;
- 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, %.0f%% done)\n",
- i + 1, num_swms, cur_offset, total_bytes,
- (double)cur_offset / total_bytes * 100.0);
+#include "wimlib.h"
+#include "wimlib/error.h"
+#include "wimlib/types.h"
+#include "wimlib/util.h"
+#include "wimlib/wim.h"
+
+/*
+ * Verify that a list of WIM files sorted by part number is a spanned set.
+ *
+ * Return: 0 on success; WIMLIB_ERR_SPLIT_INVALID if the set is not valid.
+ */
+static int
+verify_swm_set(WIMStruct * const *swms, unsigned num_swms)
+{
+ for (unsigned i = 0; i < num_swms; i++) {
+ if (!guids_equal(swms[i]->hdr.guid, swms[0]->hdr.guid)) {
+ ERROR("The split WIM parts specified belong to "
+ "different split WIMs!");
+ return WIMLIB_ERR_SPLIT_INVALID;
}
- swms[i]->fp = fopen(swms[i]->filename, "rb");
- if (!swms[i]->fp) {
- ERROR_WITH_ERRNO("Failed to reopen `%s'",
- swms[i]->filename);
- return WIMLIB_ERR_OPEN;
+ if (swms[i]->hdr.total_parts != num_swms) {
+ ERROR("\"%"TS"\" says there are %u parts in the split "
+ "WIM, but %s%u part%s provided",
+ swms[i]->filename, swms[i]->hdr.total_parts,
+ num_swms < swms[i]->hdr.total_parts ? "only ":"",
+ num_swms, num_swms > 1 ? "s were" : " was");
+ return WIMLIB_ERR_SPLIT_INVALID;
}
- swms[i]->out_fp = out_fp;
- swms[i]->hdr.part_number = 1;
- ret = for_lookup_table_entry(swms[i]->lookup_table,
- copy_resource, swms[i]);
- if (ret != 0)
- return ret;
- if (i != 0) {
- fclose(swms[i]->fp);
- swms[i]->fp = NULL;
+ if (swms[i]->hdr.part_number != i + 1) {
+ ERROR("The parts of the split WIM are not numbered "
+ "1..%u as expected. Did you specify duplicate "
+ "parts?", num_swms);
+ return WIMLIB_ERR_SPLIT_INVALID;
}
}
- swms[0]->write_metadata = true;
- if (write_flags & WIMLIB_WRITE_FLAG_SHOW_PROGRESS)
- printf("Writing %d metadata resources\n",
- swms[0]->hdr.image_count);
-
- for (i = 0; i < swms[0]->hdr.image_count; i++) {
- ret = copy_resource(swms[0]->image_metadata[i].metadata_lte,
- swms[0]);
- if (ret != 0)
- return ret;
- }
-
- 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;
- }
- off_t xml_data_offset = ftello(out_fp);
-
- if (lookup_table_offset == -1 || xml_data_offset == -1) {
- ERROR_WITH_ERRNO("Failed to get file offset");
- return WIMLIB_ERR_WRITE;
- }
- 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;
+ return 0;
+}
+static int
+cmp_swms_by_part_number(const void *p1, const void *p2)
+{
+ WIMStruct *swm1 = *(WIMStruct **)p1;
+ WIMStruct *swm2 = *(WIMStruct **)p2;
- /* 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. */
- swms[0]->hdr.flags &= ~WIM_HDR_FLAG_SPANNED;
- swms[0]->hdr.total_parts = 1;
- return finish_write(swms[0], WIM_ALL_IMAGES, write_flags, 0);
+ return (int)swm1->hdr.part_number - (int)swm2->hdr.part_number;
}
-
-WIMLIBAPI int wimlib_join(const char **swm_names, int num_swms,
- const char *output_path, int flags)
+WIMLIBAPI int
+wimlib_join_with_progress(const tchar * const *swm_names,
+ unsigned num_swms,
+ const tchar *output_path,
+ int swm_open_flags,
+ int wim_write_flags,
+ wimlib_progress_func_t progfunc,
+ void *progctx)
{
- int i;
+ WIMStruct **swms;
+ unsigned 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;
-
- /* don't open all the parts at the same time, in case there are
- * a lot af them */
- fclose(w->fp);
- w->fp = NULL;
-
- 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");
- 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");
- ret = WIMLIB_ERR_SPLIT_INVALID;
- goto err;
- }
- }
- if (w->hdr.total_parts != num_swms) {
- ERROR("`%s' (part %d) says there are %d total parts, "
- "but %d parts were specified",
- 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 "
- "between 1 and %d",
- 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",
- 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 (num_swms < 1 || num_swms > 0xffff)
+ return WIMLIB_ERR_INVALID_PARAM;
- 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;
+ swms = CALLOC(num_swms, sizeof(swms[0]));
+ if (!swms)
+ return WIMLIB_ERR_NOMEM;
- 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. */
- if (swms[i]) {
- swms[i]->out_fp = NULL;
- wimlib_free(swms[i]);
- }
+ ret = wimlib_open_wim_with_progress(swm_names[i],
+ swm_open_flags,
+ &swms[i],
+ progfunc,
+ progctx);
+ if (ret)
+ goto out;
}
- wimlib_free(joined_wim);
+
+ qsort(swms, num_swms, sizeof(swms[0]), cmp_swms_by_part_number);
+
+ ret = verify_swm_set(swms, num_swms);
+ if (ret)
+ goto out;
+
+ ret = wimlib_reference_resources(swms[0], swms + 1, num_swms - 1, 0);
+ if (ret)
+ goto out;
+
+ /* It is reasonably safe to provide WIMLIB_WRITE_FLAG_STREAMS_OK, as we
+ * have verified that the specified split WIM parts form a spanned set.
+ */
+ ret = wimlib_write(swms[0], output_path, WIMLIB_ALL_IMAGES,
+ wim_write_flags |
+ WIMLIB_WRITE_FLAG_STREAMS_OK |
+ WIMLIB_WRITE_FLAG_RETAIN_GUID,
+ 1);
+out:
+ for (i = 0; i < num_swms; i++)
+ wimlib_free(swms[i]);
+ FREE(swms);
return ret;
}
+
+/* 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)
+{
+ return wimlib_join_with_progress(swm_names, num_swms, output_path,
+ swm_open_flags, wim_write_flags,
+ NULL, NULL);
+}
git://wimlib.net / wimlib / blobdiff