diff options
Diffstat (limited to 'src/htsinthash.h')
| -rw-r--r-- | src/htsinthash.h | 64 |
1 files changed, 43 insertions, 21 deletions
diff --git a/src/htsinthash.h b/src/htsinthash.h index 5d7b992..b11b7ac 100644 --- a/src/htsinthash.h +++ b/src/htsinthash.h @@ -42,13 +42,18 @@ Please visit our Website: http://www.httrack.com // inthash -- simple hash table, using a key (char[]) and a value (ulong int) +// value +typedef union inthash_value { + unsigned long int intg; /* integer value */ + void* ptr; /* ptr value */ +} inthash_value; + +#define INTHASH_VALUE_NULL { 0 } + // simple hash table for other routines typedef struct inthash_chain { char* name; /* key (name) */ - union { - unsigned long int intg; /* integer value */ - void* ptr; /* ptr value */ - } value; + inthash_value value; /* value */ struct inthash_chain* next; /* next element */ } inthash_chain; @@ -56,6 +61,7 @@ typedef struct inthash_chain { typedef void (* t_inthash_freehandler)(void* value); typedef struct struct_inthash { inthash_chain** hash; + unsigned int nitems; t_inthash_freehandler free_handler; unsigned int hash_size; unsigned short flag_valueismalloc; @@ -64,31 +70,47 @@ typedef struct struct_inthash { // main inthash type typedef struct_inthash* inthash; +// enumeration +typedef struct struct_inthash_enum { + inthash table; + int index; + inthash_chain* item; +} struct_inthash_enum; + /* Library internal definictions */ #ifdef HTS_INTERNAL_BYTECODE -// subfunctions -unsigned long int inthash_key(char* value); -void inthash_init(inthash hashtable); -void inthash_delchain(inthash_chain* hash,t_inthash_freehandler free_handler); -void inthash_default_free_handler(void* value); // main functions: /* Hash functions: */ -inthash inthash_new(int size); /* Create a new hash table */ -int inthash_created(inthash hashtable); /* Test if the hash table was successfully created */ -void inthash_delete(inthash* hashtable); /* Delete an hash table */ -void inthash_value_is_malloc(inthash hashtable,int flag); /* Is the 'value' member a value that needs to be free()'ed ? */ -void inthash_value_set_free_handler(inthash hashtable, /* value free() handler (default one is 'free') */ - t_inthash_freehandler free_handler); +inthash inthash_new(int size); /* Create a new hash table */ +int inthash_created(inthash hashtable); /* Test if the hash table was successfully created */ +unsigned int inthash_nitems(inthash hashtable); /* Number of items */ +void inthash_delete(inthash* hashtable); /* Delete an hash table */ +void inthash_value_is_malloc(inthash hashtable,int flag); /* Is the 'value' member a value that needs to be free()'ed ? */ +void inthash_value_set_free_handler(inthash hashtable, /* value free() handler (default one is 'free') */ + t_inthash_freehandler free_handler); +/* */ +int inthash_read(inthash hashtable,const char* name,long int* intvalue); /* Read entry from the hash table */ +int inthash_readptr(inthash hashtable,const char* name,long int* intvalue); /* Same function, but returns 0 upon null ptr */ +int inthash_exists(inthash hashtable, const char* name); /* Is the key existing ? */ +/* */ +int inthash_read_value(inthash hashtable,const char* name,inthash_value* value); +int inthash_write_value(inthash hashtable,const char* name,inthash_value value); +void inthash_add_value(inthash hashtable, const char* name, inthash_value value); +/* */ +int inthash_read_pvoid(inthash hashtable,const char* name, void** value); +int inthash_write_pvoid(inthash hashtable,const char* name, void* value); +void inthash_add_pvoid(inthash hashtable, const char* name, void* value); /* */ -int inthash_read(inthash hashtable,char* name,long int* value); /* Read entry from the hash table */ -int inthash_readptr(inthash hashtable,char* name,long int* value); /* Same function, but returns 0 upon null ptr */ +void inthash_add(inthash hashtable,const char* name,long int value); /* Add entry in the hash table */ +void* inthash_addblk(inthash hashtable,const char* name,int blksize); /* Add entry in the hash table and set value to a new memory block */ +int inthash_write(inthash hashtable,const char* name,long int value); /* Overwrite/add entry in the hash table */ +int inthash_inc(inthash hashtable,const char* name); /* Increment entry in the hash table */ +int inthash_remove(inthash hashtable,const char* name); /* Remove an entry from the hashtable */ /* */ -void inthash_add(inthash hashtable,char* name,long int value); /* Add entry in the hash table */ -void* inthash_addblk(inthash hashtable,char* name,int blksize); /* Add entry in the hash table and set value to a new memory block */ -int inthash_write(inthash hashtable,char* name,long int value); /* Overwrite/add entry in the hash table */ -int inthash_inc(inthash hashtable,char* name); /* Increment entry in the hash table */ +struct_inthash_enum inthash_enum_new(inthash hashtable); /* Start a new enumerator */ +inthash_chain* inthash_enum_next(struct_inthash_enum* e); /* Fetch an item in the enumerator */ /* End of hash functions: */ #endif |