Function

Vipshash_table_map

Declaration [src] 

void*
vips_hash_table_map (
  GHashTable* hash,
  VipsSListMap2Fn fn,
  void* a,
  void* b
)

Description [src]

Like slist map, but for a hash table.

Parameters

hash

Type: GHashTable

A GHashTable.

The data is owned by the caller of the function.
fn

Type: VipsSListMap2Fn

Function to apply to each hash value.

a

Type: void*

User data.

The argument can be NULL.
The data is owned by the caller of the function.
b

Type: void*

User data.

The argument can be NULL.
The data is owned by the caller of the function.

Return value

Type: void*

NULL if fn returns NULL for all arguments, otherwise the first non-NULL value from fn.

The data is owned by the called function.
The return value can be NULL.