Reindented server/core/hint.c
This commit is contained in:
Johan Wikman
parent
255a5b53c1
commit
486f724dc1
@ -26,8 +26,8 @@
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 25/07/14 Mark Riddoch Initial implementation
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* Date Who Description
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* 25/07/14 Mark Riddoch Initial implementation
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*
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* @endverbatim
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*/
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@ -36,121 +36,142 @@
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/**
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* Duplicate a list of hints
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*
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* @param hint The hint list to duplicate
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* @return A duplicate of the list
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*
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* @param hint The hint list to duplicate
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* @return A duplicate of the list
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*
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* Note : Optimize this to use version numbering instead of copying memory
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*/
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HINT *
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hint_dup(HINT *hint)
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{
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HINT *nlhead = NULL, *nltail = NULL, *ptr1, *ptr2;
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HINT *nlhead = NULL, *nltail = NULL, *ptr1, *ptr2;
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ptr1 = hint;
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while (ptr1)
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{
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if ((ptr2 = (HINT *)malloc(sizeof(HINT))) == NULL)
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return nlhead;
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ptr2->type = ptr1->type;
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if (ptr1->data)
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ptr2->data = strdup(ptr1->data);
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else
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ptr2->data = NULL;
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if (ptr1->value)
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ptr2->value = strdup(ptr1->value);
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else
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ptr2->value = NULL;
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ptr2->next = NULL;
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if (nltail)
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{
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nltail->next = ptr2;
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nltail = ptr2;
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}
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else
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{
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nlhead = ptr2;
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nltail = ptr2;
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}
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ptr1 = ptr1->next;
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}
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return nlhead;
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ptr1 = hint;
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while (ptr1)
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{
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if ((ptr2 = (HINT *)malloc(sizeof(HINT))) == NULL)
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{
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return nlhead;
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}
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ptr2->type = ptr1->type;
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if (ptr1->data)
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{
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ptr2->data = strdup(ptr1->data);
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}
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else
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{
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ptr2->data = NULL;
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}
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if (ptr1->value)
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{
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ptr2->value = strdup(ptr1->value);
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}
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else
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{
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ptr2->value = NULL;
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}
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ptr2->next = NULL;
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if (nltail)
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{
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nltail->next = ptr2;
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nltail = ptr2;
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}
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else
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{
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nlhead = ptr2;
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nltail = ptr2;
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}
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ptr1 = ptr1->next;
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}
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return nlhead;
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}
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/**
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* Create a ROUTE TO type hint
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*
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* @param head The current hint list
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* @param type The HINT_TYPE
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* @param data Data may be NULL or the name of a server to route to
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* @param head The current hint list
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* @param type The HINT_TYPE
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* @param data Data may be NULL or the name of a server to route to
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* @return The result hint list
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*/
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HINT *
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hint_create_route(HINT *head, HINT_TYPE type, char *data)
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{
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HINT *hint;
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HINT *hint;
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if ((hint = (HINT *)malloc(sizeof(HINT))) == NULL)
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return head;
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hint->next = head;
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hint->type = type;
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if (data)
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hint->data = strdup(data);
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else
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hint->data = NULL;
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hint->value = NULL;
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return hint;
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if ((hint = (HINT *)malloc(sizeof(HINT))) == NULL)
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{
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return head;
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}
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hint->next = head;
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hint->type = type;
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if (data)
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{
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hint->data = strdup(data);
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}
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else
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{
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hint->data = NULL;
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}
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hint->value = NULL;
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return hint;
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}
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/**
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* Create name/value parameter hint
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*
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* @param head The current hint list
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* @param pname The parameter name
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* @param value The parameter value
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* @param head The current hint list
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* @param pname The parameter name
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* @param value The parameter value
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* @return The result hint list
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*/
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HINT *
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hint_create_parameter(HINT *head, char *pname, char *value)
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{
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HINT *hint;
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HINT *hint;
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if ((hint = (HINT *)malloc(sizeof(HINT))) == NULL)
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return head;
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hint->next = head;
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hint->type = HINT_PARAMETER;
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hint->data = strdup(pname);
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hint->value = strdup(value);
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return hint;
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if ((hint = (HINT *)malloc(sizeof(HINT))) == NULL)
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{
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return head;
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}
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hint->next = head;
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hint->type = HINT_PARAMETER;
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hint->data = strdup(pname);
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hint->value = strdup(value);
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return hint;
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}
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/**
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* free_hint - free a hint
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*
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* @param hint The hint to free
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* @param hint The hint to free
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*/
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void
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hint_free(HINT *hint)
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{
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if (hint->data)
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free(hint->data);
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if (hint->value)
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free(hint->value);
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free(hint);
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if (hint->data)
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{
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free(hint->data);
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}
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if (hint->value)
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{
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free(hint->value);
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}
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free(hint);
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}
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bool hint_exists(
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HINT** p_hint,
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HINT_TYPE type)
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bool hint_exists(HINT** p_hint,
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HINT_TYPE type)
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{
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bool succp = false;
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while (*p_hint != NULL)
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bool succp = false;
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while (*p_hint != NULL)
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{
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if ((*p_hint)->type == type)
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{
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if ((*p_hint)->type == type)
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{
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succp = true;
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}
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p_hint = &(*p_hint)->next;
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succp = true;
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}
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return succp;
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p_hint = &(*p_hint)->next;
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}
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return succp;
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}
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@ -24,8 +24,8 @@
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 10/07/14 Mark Riddoch Initial implementation
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* Date Who Description
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* 10/07/14 Mark Riddoch Initial implementation
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*
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* @endverbatim
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*/
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@ -36,13 +36,14 @@
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/**
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* The types of hint that are supported by the generic hinting mechanism.
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*/
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typedef enum {
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HINT_ROUTE_TO_MASTER = 1,
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HINT_ROUTE_TO_SLAVE,
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HINT_ROUTE_TO_NAMED_SERVER,
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HINT_ROUTE_TO_UPTODATE_SERVER,
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HINT_ROUTE_TO_ALL, /*< not implemented yet */
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HINT_PARAMETER
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typedef enum
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{
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HINT_ROUTE_TO_MASTER = 1,
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HINT_ROUTE_TO_SLAVE,
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HINT_ROUTE_TO_NAMED_SERVER,
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HINT_ROUTE_TO_UPTODATE_SERVER,
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HINT_ROUTE_TO_ALL, /*< not implemented yet */
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HINT_PARAMETER
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} HINT_TYPE;
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/**
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@ -52,18 +53,19 @@ typedef enum {
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* specific data.
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* Multiple hints may be attached to a single buffer.
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*/
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typedef struct hint {
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HINT_TYPE type; /*< The Type of hint */
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void *data; /*< Type specific data */
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void *value; /*< Parameter value for hint */
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unsigned int dsize; /*< Size of the hint data */
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struct hint *next; /*< Another hint for this buffer */
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typedef struct hint
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{
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HINT_TYPE type; /*< The Type of hint */
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void *data; /*< Type specific data */
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void *value; /*< Parameter value for hint */
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unsigned int dsize; /*< Size of the hint data */
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struct hint *next; /*< Another hint for this buffer */
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} HINT;
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extern HINT *hint_alloc(HINT_TYPE, void *, unsigned int);
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extern HINT *hint_create_parameter(HINT *, char *, char *);
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extern HINT *hint_create_route(HINT *, HINT_TYPE, char *);
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extern void hint_free(HINT *);
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extern HINT *hint_dup(HINT *);
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extern HINT *hint_alloc(HINT_TYPE, void *, unsigned int);
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extern HINT *hint_create_parameter(HINT *, char *, char *);
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extern HINT *hint_create_route(HINT *, HINT_TYPE, char *);
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extern void hint_free(HINT *);
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extern HINT *hint_dup(HINT *);
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bool hint_exists(HINT **, HINT_TYPE);
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#endif
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