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authorMattias Andrée <maandree@operamail.com>2014-12-09 13:15:10 +0100
committerMattias Andrée <maandree@operamail.com>2014-12-09 13:15:10 +0100
commit7a994c9631c590d6a73c842fa5d2d3567b4771dd (patch)
tree228ade01f99ba217151a0ed20f29c5f3a5028619 /src/libmdsserver/hash-table.c
parentmds-kbdc: compile-layout: macro_call: fix bug: do not duplicate the arguments if there are none (diff)
parentreport an error, rather than causing failure the caller but not for the called function (diff)
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merge track-errors and resolve conflict
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/libmdsserver/hash-table.c')
-rw-r--r--src/libmdsserver/hash-table.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/src/libmdsserver/hash-table.c b/src/libmdsserver/hash-table.c
index c0de355..c9b2f4d 100644
--- a/src/libmdsserver/hash-table.c
+++ b/src/libmdsserver/hash-table.c
@@ -65,7 +65,7 @@ static inline size_t __attribute__((pure)) truncate_hash(const hash_table_t* res
* Grow the table
*
* @param this The hash table
- * @return Non zero on error, `errno` will be set accordingly
+ * @return Non-zero on error, `errno` will be set accordingly
*/
static int rehash(hash_table_t* restrict this)
{
@@ -76,8 +76,7 @@ static int rehash(hash_table_t* restrict this)
hash_entry_t* destination;
hash_entry_t* next;
- if (xcalloc(this->buckets, old_capacity * 2 + 1, hash_entry_t*))
- return -1;
+ fail_if (xcalloc(this->buckets, old_capacity * 2 + 1, hash_entry_t*));
this->capacity = old_capacity * 2 + 1;
this->threshold = (size_t)((float)(this->capacity) * this->load_factor);
@@ -108,6 +107,8 @@ static int rehash(hash_table_t* restrict this)
free(old_buckets);
return 0;
+ fail:
+ return -1;
}
@@ -124,8 +125,7 @@ int hash_table_create_fine_tuned(hash_table_t* restrict this, size_t initial_cap
this->buckets = NULL;
this->capacity = initial_capacity ? initial_capacity : 1;
- if (xcalloc(this->buckets, this->capacity, hash_entry_t*))
- return -1;
+ fail_if (xcalloc(this->buckets, this->capacity, hash_entry_t*));
this->load_factor = load_factor;
this->threshold = (size_t)((float)(this->capacity) * load_factor);
this->size = 0;
@@ -134,6 +134,8 @@ int hash_table_create_fine_tuned(hash_table_t* restrict this, size_t initial_cap
this->hasher = NULL;
return 0;
+ fail:
+ return -1;
}
@@ -299,14 +301,12 @@ size_t hash_table_put(hash_table_t* restrict this, size_t key, size_t value)
if (++(this->size) > this->threshold)
{
errno = 0;
- if (rehash(this))
- return 0;
+ fail_if (rehash(this));
index = truncate_hash(this, key_hash);
}
errno = 0;
- if (xmalloc(bucket, 1, hash_entry_t))
- return 0;
+ fail_if (xmalloc(bucket, 1, hash_entry_t));
bucket->value = value;
bucket->key = key;
bucket->hash = key_hash;
@@ -314,6 +314,8 @@ size_t hash_table_put(hash_table_t* restrict this, size_t key, size_t value)
this->buckets[index] = bucket;
return 0;
+ fail:
+ return 0;
}
@@ -472,8 +474,7 @@ int hash_table_unmarshal(hash_table_t* restrict this, char* restrict data, remap
buf_get_next(data, size_t, this->threshold);
buf_get_next(data, size_t, this->size);
- if (xcalloc(this->buckets, this->capacity, hash_entry_t*))
- return -1;
+ fail_if (xcalloc(this->buckets, this->capacity, hash_entry_t*));
for (i = 0; i < n; i++)
{
@@ -481,16 +482,14 @@ int hash_table_unmarshal(hash_table_t* restrict this, char* restrict data, remap
hash_entry_t* restrict bucket;
buf_get_next(data, size_t, m);
- if (xmalloc(this->buckets[i] = bucket, 1, hash_entry_t))
- return -1;
+ fail_if (xmalloc(this->buckets[i] = bucket, 1, hash_entry_t));
while (m--)
{
if (m == 0)
bucket->next = NULL;
else
- if (xmalloc(bucket->next, 1, hash_entry_t))
- return -1;
+ fail_if (xmalloc(bucket->next, 1, hash_entry_t));
buf_get_next(data, size_t, bucket->key);
buf_get_next(data, size_t, bucket->value);
if (remapper != NULL)
@@ -500,5 +499,7 @@ int hash_table_unmarshal(hash_table_t* restrict this, char* restrict data, remap
}
return 0;
+ fail:
+ return -1;
}