/**
* xmlDictCreate:
*
* Create a new dictionary
*
* Returns the newly created dictionnary, or NULL if an error occured.
*/
xmlDictPtr
xmlDictCreate(void) {
xmlDictPtr dict;
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return(NULL);
#ifdef DICT_DEBUG_PATTERNS
fprintf(stderr, "C");
#endif
dict = xmlMalloc(sizeof(xmlDict));
if (dict) {
dict->ref_counter = 1;
dict->size = MIN_DICT_SIZE;
dict->nbElems = 0;
dict->dict = xmlMalloc(MIN_DICT_SIZE * sizeof(xmlDictEntry));
dict->strings = NULL;
dict->subdict = NULL;
if (dict->dict) {
memset(dict->dict, 0, MIN_DICT_SIZE * sizeof(xmlDictEntry));
#ifdef DICT_RANDOMIZATION
dict->seed = __xmlRandom();
#else
dict->seed = 0;
#endif
return(dict);
}
xmlFree(dict);
}
return(NULL);
}
/**
* xmlDictCreate:
*
* Create a new dictionary
*
* Returns the newly created dictionnary, or NULL if an error occured.
*/
xmlDictPtr
xmlDictCreate(void) {
xmlDictPtr dict;
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return(NULL);
dict = (xmlDict*) xmlMalloc(sizeof(xmlDict));
if (dict) {
dict->ref_counter = 1;
dict->size = MIN_DICT_SIZE;
dict->nbElems = 0;
dict->dict = (xmlDictEntry*) xmlMalloc(MIN_DICT_SIZE * sizeof(xmlDictEntry));
dict->strings = NULL;
dict->subdict = NULL;
if (dict->dict) {
if ((dict->mutex = xmlNewRMutex()) != NULL) {
memset(dict->dict, 0, MIN_DICT_SIZE * sizeof(xmlDictEntry));
return(dict);
}
xmlFree(dict->dict);
}
xmlFree(dict);
}
return(NULL);
}
/**
* xmlDictFree:
* @dict: the dictionnary
*
* Free the hash @dict and its contents. The userdata is
* deallocated with @f if provided.
*/
void
xmlDictFree(xmlDictPtr dict) {
int i;
xmlDictEntryPtr iter;
xmlDictEntryPtr next;
int inside_dict = 0;
xmlDictStringsPtr pool, nextp;
if (dict == NULL)
return;
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return;
/* decrement the counter, it may be shared by a parser and docs */
xmlRMutexLock(xmlDictMutex);
dict->ref_counter--;
if (dict->ref_counter > 0) {
xmlRMutexUnlock(xmlDictMutex);
return;
}
xmlRMutexUnlock(xmlDictMutex);
if (dict->subdict != NULL) {
xmlDictFree(dict->subdict);
}
if (dict->dict) {
for (i = 0; ((i < dict->size) && (dict->nbElems > 0)); i++) {
iter = &(dict->dict[i]);
if (iter->valid == 0)
continue;
inside_dict = 1;
while (iter) {
next = iter->next;
if (!inside_dict)
xmlFree(iter);
dict->nbElems--;
inside_dict = 0;
iter = next;
}
inside_dict = 0;
}
xmlFree(dict->dict);
}
pool = dict->strings;
while (pool != NULL) {
nextp = pool->next;
xmlFree(pool);
pool = nextp;
}
xmlFreeRMutex(dict->mutex);
xmlFree(dict);
}
/**
* xmlDictReference:
* @dict: the dictionnary
*
* Increment the reference counter of a dictionary
*
* Returns 0 in case of success and -1 in case of error
*/
int
xmlDictReference(xmlDictPtr dict) {
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return(-1);
if (dict == NULL) return -1;
dict->ref_counter++;
return(0);
}
/**
* xmlDictReference:
* @dict: the dictionnary
*
* Increment the reference counter of a dictionary
*
* Returns 0 in case of success and -1 in case of error
*/
int
xmlDictReference(xmlDictPtr dict) {
if (!xmlDictInitialized)
if (!xmlInitializeDict())
return(-1);
if (dict == NULL) return -1;
xmlRMutexLock(xmlDictMutex);
dict->ref_counter++;
xmlRMutexUnlock(xmlDictMutex);
return(0);
}
int __xmlRandom(void) {
int ret;
if (xmlDictInitialized == 0)
xmlInitializeDict();
xmlRMutexLock(xmlDictMutex);
#ifdef HAVE_RAND_R
ret = rand_r(& rand_seed);
#else
ret = rand();
#endif
xmlRMutexUnlock(xmlDictMutex);
return(ret);
}
