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authorKenneth R Westerback <krw@cvs.openbsd.org>2016-01-31 22:12:36 +0000
committerKenneth R Westerback <krw@cvs.openbsd.org>2016-01-31 22:12:36 +0000
commit969c2f87560a07a60266b34f808d4556a120c096 (patch)
treee2b51c3ca36c7675bff8cd2010129433ecab9b57 /sbin/pdisk/partition_map.c
parent9c3f20422134a38d49d1133df0c148e0c183871c (diff)
Fold add_data_to_map() into create_entry() as the former is always called
immediately after the latter, manipulating fields in the same structure. Use create_entry() in create_partition() rather than doing the same actions manually.
Diffstat (limited to 'sbin/pdisk/partition_map.c')
-rw-r--r--sbin/pdisk/partition_map.c61
1 files changed, 24 insertions, 37 deletions
diff --git a/sbin/pdisk/partition_map.c b/sbin/pdisk/partition_map.c
index c8a5caa0d51..22e53db3d2c 100644
--- a/sbin/pdisk/partition_map.c
+++ b/sbin/pdisk/partition_map.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: partition_map.c,v 1.94 2016/01/31 17:19:26 krw Exp $ */
+/* $OpenBSD: partition_map.c,v 1.95 2016/01/31 22:12:35 krw Exp $ */
/*
* partition_map.c - partition map routines
@@ -46,9 +46,9 @@ const char *kMapType = "Apple_partition_map";
const char *kUnixType = "OpenBSD";
const char *kHFSType = "Apple_HFS";
-void add_data_to_map(struct entry *, long, struct partition_map *);
void combine_entry(struct entry *);
-struct entry *create_entry(const char *, const char *, uint32_t, uint32_t);
+struct entry *create_entry(struct partition_map *, long, const char *,
+ const char *, uint32_t, uint32_t);
void delete_entry(struct entry *);
void insert_in_base_order(struct entry *);
void insert_in_disk_order(struct entry *);
@@ -256,22 +256,6 @@ write_partition_map(struct partition_map *map)
}
-void
-add_data_to_map(struct entry *entry, long ix, struct partition_map *map)
-{
- entry->disk_address = ix;
- entry->the_map = map;
-
- insert_in_disk_order(entry);
- insert_in_base_order(entry);
-
- map->blocks_in_map++;
- if (map->maximum_in_map < 0) {
- if (strncasecmp(entry->dpme_type, kMapType, DPISTRLEN) == 0)
- map->maximum_in_map = entry->dpme_pblocks;
- }
-}
-
struct partition_map *
create_partition_map(int fd, char *name, u_int64_t mediasz, uint32_t sectorsz)
{
@@ -298,18 +282,10 @@ create_partition_map(int fd, char *name, u_int64_t mediasz, uint32_t sectorsz)
map->sbBlkSize = map->physical_block;
map->sbBlkCount = map->media_size;
- entry = calloc(1, sizeof(struct entry));
+ entry = create_entry(map, 1, "", kFreeType, 1, mediasz - 1);
if (entry == NULL)
- errx(1, "No memory for initial map entry");
+ errx(1, "No memory for new dpme");
- entry->dpme_signature = DPME_SIGNATURE;
- entry->dpme_map_entries = 1;
- entry->dpme_pblock_start = 1;
- entry->dpme_pblocks = map->media_size - 1;
- strlcpy(entry->dpme_type, kFreeType, sizeof(entry->dpme_type));
- dpme_init_flags(entry);
-
- add_data_to_map(entry, 1, map);
add_partition_to_map("Apple", kMapType, 1,
(map->media_size <= 128 ? 2 : 63), map);
@@ -379,24 +355,23 @@ add_partition_to_map(const char *name, const char *dptype, uint32_t base,
new_length = (old_base + old_length) - new_base;
if (new_length > 0) {
/* New free space entry *after* new partition. */
- cur = create_entry("", kFreeType, new_base, new_length);
+ cur = create_entry(map, old_address, "", kFreeType, new_base,
+ new_length);
if (cur == NULL)
errx(1, "No memory for new dpme");
- add_data_to_map(cur, old_address, map);
}
- cur = create_entry(name, dptype, base, length);
+ cur = create_entry(map, old_address, name, dptype, base, length);
if (cur == NULL)
errx(1, "No memory for new entry");
- add_data_to_map(cur, old_address, map);
new_length = base - old_base;
if (new_length > 0) {
/* New free space entry *before* new partition. */
- cur = create_entry("", kFreeType, old_base, new_length);
+ cur = create_entry(map, old_address, "", kFreeType, old_base,
+ new_length);
if (cur == NULL)
errx(1, "No memory for new entry");
- add_data_to_map(cur, old_address, map);
}
renumber_disk_addresses(map);
@@ -406,8 +381,8 @@ add_partition_to_map(const char *name, const char *dptype, uint32_t base,
struct entry*
-create_entry(const char *name, const char *dptype, uint32_t base,
- uint32_t length)
+create_entry(struct partition_map *map, long ix, const char *name,
+ const char *dptype, uint32_t base, uint32_t length)
{
struct entry *entry;
@@ -427,6 +402,18 @@ create_entry(const char *name, const char *dptype, uint32_t base,
}
dpme_init_flags(entry);
+ entry->disk_address = ix;
+ entry->the_map = map;
+
+ insert_in_disk_order(entry);
+ insert_in_base_order(entry);
+
+ map->blocks_in_map++;
+ if (map->maximum_in_map < 0) {
+ if (strncasecmp(entry->dpme_type, kMapType, DPISTRLEN) == 0)
+ map->maximum_in_map = entry->dpme_pblocks;
+ }
+
return entry;
}