split out into smaller functions.
This commit is contained in:
christos
parent
c94670c3be
commit
d1f209293e
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@ -33,7 +33,7 @@
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__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
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#endif
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#ifdef __RCSID
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__RCSID("$NetBSD: backup.c,v 1.11 2015/12/01 16:32:19 christos Exp $");
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__RCSID("$NetBSD: backup.c,v 1.12 2015/12/02 04:06:47 christos Exp $");
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#endif
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#include <sys/bootblock.h>
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@ -72,20 +72,184 @@ struct gpt_cmd c_backup = {
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return -1; \
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}
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#define prop_uint(a) prop_number_create_unsigned_integer(a)
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static int
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store_mbr(gpt_t gpt, unsigned int i, const struct mbr *mbr,
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prop_array_t *mbr_array)
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{
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prop_dictionary_t mbr_dict;
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prop_number_t propnum;
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const struct mbr_part *par = &mbr->mbr_part[i];
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bool rc;
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if (mbr->mbr_part[i].part_typ == MBR_PTYPE_UNUSED)
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return 0;
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mbr_dict = prop_dictionary_create();
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PROP_ERR(mbr_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "index", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_flag);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "flag", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_shd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "start_head", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_ssect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "start_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_scyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "start_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_typ);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "type", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_ehd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "end_head", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_esect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "end_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(par->part_ecyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "end_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le16toh(par->part_start_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "lba_start_low", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le16toh(par->part_start_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "lba_start_high", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le16toh(par->part_size_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "lba_size_low", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le16toh(par->part_size_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict, "lba_size_high", propnum);
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if (*mbr_array == NULL) {
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*mbr_array = prop_array_create();
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PROP_ERR(*mbr_array);
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}
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rc = prop_array_add(*mbr_array, mbr_dict);
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PROP_ERR(rc);
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return 0;
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}
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static int
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store_gpt(gpt_t gpt, const struct gpt_hdr *hdr, prop_dictionary_t *type_dict)
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{
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prop_number_t propnum;
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prop_string_t propstr;
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char buf[128];
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bool rc;
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*type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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propnum = prop_uint(le32toh(hdr->hdr_revision));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(*type_dict, "revision", propnum);
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PROP_ERR(rc);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d", hdr->hdr_guid);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(*type_dict, "guid", propstr);
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PROP_ERR(rc);
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propnum = prop_number_create_integer(le32toh(hdr->hdr_entries));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(*type_dict, "entries", propnum);
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PROP_ERR(rc);
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return 0;
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}
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static int
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store_tbl(gpt_t gpt, const map_t m, prop_dictionary_t *type_dict)
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{
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const struct gpt_ent *ent;
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unsigned int i;
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prop_dictionary_t gpt_dict;
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prop_array_t gpt_array;
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prop_number_t propnum;
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prop_string_t propstr;
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char buf[128];
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uint8_t utfbuf[__arraycount(ent->ent_name) * 3 + 1];
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bool rc;
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*type_dict = prop_dictionary_create();
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PROP_ERR(*type_dict);
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ent = m->map_data;
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gpt_array = prop_array_create();
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PROP_ERR(gpt_array);
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for (i = 1, ent = m->map_data;
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(const char *)ent < (const char *)(m->map_data) +
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m->map_size * gpt->secsz; i++, ent++) {
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gpt_dict = prop_dictionary_create();
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PROP_ERR(gpt_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "index", propnum);
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PROP_ERR(propnum);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d", ent->ent_type);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "type", propstr);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d", ent->ent_guid);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "guid", propstr);
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PROP_ERR(propstr);
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propnum = prop_uint(le64toh(ent->ent_lba_start));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "start", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le64toh(ent->ent_lba_end));
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PROP_ERR(rc);
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rc = prop_dictionary_set(gpt_dict, "end", propnum);
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PROP_ERR(rc);
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propnum = prop_uint(le64toh(ent->ent_attr));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "attributes", propnum);
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PROP_ERR(rc);
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utf16_to_utf8(ent->ent_name, utfbuf, sizeof(utfbuf));
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if (utfbuf[0] != '\0') {
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propstr = prop_string_create_cstring((char *)utfbuf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "name", propstr);
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PROP_ERR(rc);
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}
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rc = prop_array_add(gpt_array, gpt_dict);
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PROP_ERR(rc);
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}
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rc = prop_dictionary_set(*type_dict, "gpt_array", gpt_array);
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PROP_ERR(rc);
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prop_object_release(gpt_array);
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return 0;
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}
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static int
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backup(gpt_t gpt)
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{
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map_t m;
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struct mbr *mbr;
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struct gpt_hdr *hdr;
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struct gpt_ent *ent;
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unsigned int i;
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prop_dictionary_t props, mbr_dict, gpt_dict, type_dict;
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prop_array_t mbr_array, gpt_array;
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prop_dictionary_t props, type_dict;
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prop_array_t mbr_array;
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prop_data_t propdata;
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prop_number_t propnum;
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prop_string_t propstr;
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char *propext, *s, buf[128];
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char *propext;
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bool rc;
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props = prop_dictionary_create();
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@ -109,82 +273,8 @@ backup(gpt_t gpt)
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PROP_ERR(rc);
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mbr_array = NULL;
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for (i = 0; i < 4; i++) {
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if (mbr->mbr_part[i].part_typ !=
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MBR_PTYPE_UNUSED) {
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mbr_dict = prop_dictionary_create();
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PROP_ERR(mbr_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"index", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_flag);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"flag", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_shd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_head", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ssect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_scyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_typ);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"type", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ehd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_head", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_esect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ecyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_start_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_start_low", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_start_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_start_high", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_size_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_size_low", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_size_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_size_high", propnum);
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if (mbr_array == NULL) {
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mbr_array = prop_array_create();
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PROP_ERR(mbr_array);
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}
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rc = prop_array_add(mbr_array,
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mbr_dict);
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PROP_ERR(rc);
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}
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if (store_mbr(gpt, i, mbr, &mbr_array) == -1)
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return -1;
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}
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if (mbr_array != NULL) {
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rc = prop_dictionary_set(type_dict,
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@ -197,87 +287,16 @@ backup(gpt_t gpt)
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prop_object_release(type_dict);
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break;
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case MAP_TYPE_PRI_GPT_HDR:
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type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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hdr = m->map_data;
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propnum = prop_number_create_unsigned_integer(le32toh(hdr->hdr_revision));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(type_dict, "revision",
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propnum);
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PROP_ERR(rc);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d",
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hdr->hdr_guid);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(type_dict, "guid", propstr);
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PROP_ERR(rc);
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propnum = prop_number_create_integer(le32toh(hdr->hdr_entries));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(type_dict, "entries", propnum);
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PROP_ERR(rc);
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if (store_gpt(gpt, m->map_data, &type_dict) == -1)
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return -1;
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rc = prop_dictionary_set(props, "GPT_HDR", type_dict);
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PROP_ERR(rc);
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prop_object_release(type_dict);
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break;
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case MAP_TYPE_PRI_GPT_TBL:
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type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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ent = m->map_data;
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gpt_array = prop_array_create();
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PROP_ERR(gpt_array);
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for (i = 1, ent = m->map_data;
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(char *)ent < (char *)(m->map_data) +
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m->map_size * gpt->secsz; i++, ent++) {
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gpt_dict = prop_dictionary_create();
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PROP_ERR(gpt_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "index",
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propnum);
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PROP_ERR(propnum);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d",
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ent->ent_type);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "type",
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propstr);
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gpt_uuid_snprintf(buf, sizeof(buf), "%d",
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ent->ent_guid);
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propstr = prop_string_create_cstring(buf);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "guid",
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propstr);
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PROP_ERR(propstr);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_lba_start));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "start",
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propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_lba_end));
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PROP_ERR(rc);
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rc = prop_dictionary_set(gpt_dict, "end",
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propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_attr));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict,
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"attributes", propnum);
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PROP_ERR(rc);
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s = (char *)utf16_to_utf8(ent->ent_name);
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if (*s != '\0') {
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propstr = prop_string_create_cstring(s);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict,
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"name", propstr);
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PROP_ERR(rc);
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}
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rc = prop_array_add(gpt_array, gpt_dict);
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PROP_ERR(rc);
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}
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rc = prop_dictionary_set(type_dict,
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"gpt_array", gpt_array);
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PROP_ERR(rc);
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prop_object_release(gpt_array);
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if (store_tbl(gpt, m, &type_dict) == -1)
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return -1;
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rc = prop_dictionary_set(props, "GPT_TBL", type_dict);
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PROP_ERR(rc);
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prop_object_release(type_dict);
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