X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fjoin.c;h=3500654168671247318c0f866f18e0967d5aebf0;hp=34e5df91ab4e694b8585fdc5d9a820b149110cf6;hb=fced769402ff6ef0bf75fe9e4dcb2880891469e0;hpb=9b9a502863318d6208da2818b1d522346e5eee9e diff --git a/src/join.c b/src/join.c index 34e5df91..35006541 100644 --- a/src/join.c +++ b/src/join.c @@ -5,7 +5,7 @@ */ /* - * Copyright (C) 2012 Eric Biggers + * Copyright (C) 2012, 2013 Eric Biggers * * This file is part of wimlib, a library for working with WIM files. * @@ -23,175 +23,24 @@ * along with wimlib; if not, see http://www.gnu.org/licenses/. */ -#include "wimlib_internal.h" -#include "lookup_table.h" -#include "xml.h" -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -static int move_lte_to_table(struct lookup_table_entry *lte, - void *other_tab) -{ - hlist_del(<e->hash_list); - lookup_table_insert((struct lookup_table*)other_tab, lte); - return 0; -} +#include "wimlib.h" +#include "wimlib/lookup_table.h" +#include "wimlib/metadata.h" +#include "wimlib/resource.h" +#include "wimlib/swm.h" +#include "wimlib/write.h" +#include "wimlib/xml.h" -static int lookup_table_join(struct lookup_table *table, - struct lookup_table *new) -{ - return for_lookup_table_entry(new, move_lte_to_table, table); -} +#include /* for qsort() */ -/* - * Sanity checks to make sure a set of WIMs correctly correspond to a spanned - * set. - * - * @w: - * Part 1 of the set. - * - * @additional_swms: - * All parts of the set other than part 1. - * - * @num_additional_swms: - * Number of WIMStructs in @additional_swms. Or, the total number of parts - * in the set minus 1. - * - * @return: - * 0 on success; WIMLIB_ERR_SPLIT_INVALID if the set is not valid. - */ -int verify_swm_set(WIMStruct *w, WIMStruct **additional_swms, - unsigned num_additional_swms) -{ - unsigned total_parts = w->hdr.total_parts; - int ctype; - const u8 *guid; - - if (total_parts != num_additional_swms + 1) { - ERROR("`%s' says there are %u parts in the spanned set, " - "but %s%u part%s provided", - w->filename, total_parts, - (num_additional_swms + 1 < total_parts) ? "only " : "", - num_additional_swms + 1, - (num_additional_swms) ? "s were" : " was"); - return WIMLIB_ERR_SPLIT_INVALID; - } - if (w->hdr.part_number != 1) { - ERROR("WIM `%s' is not the first part of the split WIM.", - w->filename); - return WIMLIB_ERR_SPLIT_INVALID; - } - for (unsigned i = 0; i < num_additional_swms; i++) { - if (additional_swms[i]->hdr.total_parts != total_parts) { - ERROR("WIM `%s' says there are %u parts in the spanned set, " - "but %u parts were provided", - additional_swms[i]->filename, - additional_swms[i]->hdr.total_parts, - total_parts); - return WIMLIB_ERR_SPLIT_INVALID; - } - } - - /* keep track of ctype and guid just to make sure they are the same for - * all the WIMs. */ - ctype = wimlib_get_compression_type(w); - guid = w->hdr.guid; - - WIMStruct *parts_to_swms[num_additional_swms]; - ZERO_ARRAY(parts_to_swms); - for (unsigned i = 0; i < num_additional_swms; i++) { - - WIMStruct *swm = additional_swms[i]; - - if (wimlib_get_compression_type(swm) != ctype) { - ERROR("The split WIMs do not all have the same " - "compression type"); - return WIMLIB_ERR_SPLIT_INVALID; - } - if (memcmp(guid, swm->hdr.guid, WIM_GID_LEN) != 0) { - ERROR("The split WIMs do not all have the same " - "GUID"); - return WIMLIB_ERR_SPLIT_INVALID; - } - if (swm->hdr.part_number == 1) { - ERROR("WIMs `%s' and `%s' both are marked as the " - "first WIM in the spanned set", - w->filename, swm->filename); - return WIMLIB_ERR_SPLIT_INVALID; - } - if (swm->hdr.part_number == 0 || - swm->hdr.part_number > total_parts) - { - ERROR("WIM `%s' says it is part %u in the spanned set, " - "but the part number must be in the range " - "[1, %u]", - swm->filename, swm->hdr.part_number, total_parts); - return WIMLIB_ERR_SPLIT_INVALID; - } - if (parts_to_swms[swm->hdr.part_number - 2]) - { - ERROR("`%s' and `%s' are both marked as part %u of %u " - "in the spanned set", - parts_to_swms[swm->hdr.part_number - 2]->filename, - swm->filename, - swm->hdr.part_number, - total_parts); - return WIMLIB_ERR_SPLIT_INVALID; - } else { - parts_to_swms[swm->hdr.part_number - 2] = swm; - } - } - return 0; -} - -/* - * Joins lookup tables from the parts of a split WIM. - * - * @w specifies the first part, while @additional_swms and @num_additional_swms - * specify an array of pointers to the WIMStruct's for additional split WIM parts. - * - * The lookup table entries are *moved* to the new table. - * - * On success, 0 is returned on a pointer to the joined lookup table is returned - * in @table_ret. - * - * The reason we join the lookup tables is so: - * - We only have to search one lookup table to find the location of a - * resource in the entire split WIM. - * - Each lookup table entry will have a pointer to its split WIM part (and - * a part number field, although we don't really use it). - */ -int new_joined_lookup_table(WIMStruct *w, - WIMStruct **additional_swms, - unsigned num_additional_swms, - struct lookup_table **table_ret) -{ - struct lookup_table *table; - int ret; - unsigned i; - - table = new_lookup_table(9001); - if (!table) - return WIMLIB_ERR_NOMEM; - - if (w) - lookup_table_join(table, w->lookup_table); - - for (i = 0; i < num_additional_swms; i++) { - ret = lookup_table_join(table, additional_swms[i]->lookup_table); - if (ret != 0) - goto out_free_table; - } - *table_ret = table; - return 0; -out_free_table: - free_lookup_table(table); - return ret; -} - - -static int join_wims(WIMStruct **swms, unsigned num_swms, - WIMStruct *joined_wim, int write_flags, - wimlib_progress_func_t progress_func) +static int +join_wims(WIMStruct **swms, unsigned num_swms, + WIMStruct *joined_wim, int write_flags, + wimlib_progress_func_t progress_func) { int ret; unsigned i; @@ -208,32 +57,29 @@ static int join_wims(WIMStruct **swms, unsigned num_swms, } if (progress_func) { - progress.join.total_bytes = total_bytes; - progress.join.total_parts = swms[0]->hdr.total_parts; - progress.join.completed_bytes = 0; - progress.join.completed_parts = 0; + progress.join.total_bytes = total_bytes; + progress.join.total_parts = swms[0]->hdr.total_parts; + progress.join.completed_bytes = 0; + progress.join.completed_parts = 0; progress_func(WIMLIB_PROGRESS_MSG_JOIN_STREAMS, &progress); } - /* Write the resources (streams and metadata resources) from each SWM - * part */ - swms[0]->write_metadata = true; + /* Write the non-metadata resources from each SWM part */ for (i = 0; i < num_swms; i++) { - 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; - } - swms[i]->out_fp = joined_wim->out_fp; + ret = reopen_wim(swms[i]); + if (ret) + return ret; + swms[i]->out_fd = joined_wim->out_fd; swms[i]->hdr.part_number = 1; - ret = for_lookup_table_entry(swms[i]->lookup_table, - copy_resource, swms[i]); - swms[i]->out_fp = NULL; - fclose(swms[i]->fp); - swms[i]->fp = NULL; - if (ret != 0) + ret = for_lookup_table_entry_pos_sorted(swms[i]->lookup_table, + copy_resource, + swms[i]); + swms[i]->out_fd = -1; + if (i != 0) + close_wim(swms[i]); + + if (ret) return ret; if (progress_func) { @@ -243,18 +89,28 @@ static int join_wims(WIMStruct **swms, unsigned num_swms, } } + /* Copy the metadata resources from the first SWM part */ joined_wim->hdr.image_count = swms[0]->hdr.image_count; - for (i = 0; i < num_swms; i++) - lookup_table_join(joined_wim->lookup_table, swms[i]->lookup_table); + for (i = 0; i < joined_wim->hdr.image_count; i++) { + ret = copy_resource(swms[0]->image_metadata[i]->metadata_lte, + joined_wim); + if (ret) + return ret; + } + /* Write lookup table, XML data, and optional integrity table */ + merge_lookup_tables(joined_wim, swms, num_swms); free_wim_info(joined_wim->wim_info); joined_wim->wim_info = swms[0]->wim_info; + joined_wim->image_metadata = swms[0]->image_metadata; ret = finish_write(joined_wim, WIMLIB_ALL_IMAGES, write_flags, progress_func); joined_wim->wim_info = NULL; + joined_wim->image_metadata = NULL; return ret; } -static int cmp_swms_by_part_number(const void *swm1, const void *swm2) +static int +cmp_swms_by_part_number(const void *swm1, const void *swm2) { u16 partno_1 = (*(const WIMStruct**)swm1)->hdr.part_number; u16 partno_2 = (*(const WIMStruct**)swm2)->hdr.part_number; @@ -264,10 +120,13 @@ static int cmp_swms_by_part_number(const void *swm1, const void *swm2) /* * Join a set of split WIMs into a stand-alone WIM. */ -WIMLIBAPI int wimlib_join(const char **swm_names, unsigned num_swms, - const char *output_path, int swm_open_flags, - int wim_write_flags, - wimlib_progress_func_t progress_func) +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) { int ret; WIMStruct *joined_wim = NULL; @@ -285,32 +144,31 @@ WIMLIBAPI int wimlib_join(const char **swm_names, unsigned num_swms, for (i = 0; i < num_swms; i++) { ret = wimlib_open_wim(swm_names[i], swm_open_flags, &swms[i], progress_func); - if (ret != 0) - goto out; + if (ret) + goto out_free_wims; /* Don't open all the parts at the same time, in case there are * a lot of them */ - fclose(swms[i]->fp); - swms[i]->fp = NULL; + close_wim(swms[i]); } qsort(swms, num_swms, sizeof(swms[0]), cmp_swms_by_part_number); ret = verify_swm_set(swms[0], &swms[1], num_swms - 1); - if (ret != 0) - goto out; + if (ret) + goto out_free_wims; ret = wimlib_create_new_wim(wimlib_get_compression_type(swms[0]), &joined_wim); - if (ret != 0) - goto out; + if (ret) + goto out_free_wims; ret = begin_write(joined_wim, output_path, wim_write_flags); - if (ret != 0) - goto out; + if (ret) + goto out_free_wims; ret = join_wims(swms, num_swms, joined_wim, wim_write_flags, progress_func); -out: +out_free_wims: for (i = 0; i < num_swms; i++) wimlib_free(swms[i]); wimlib_free(joined_wim);