488 lines
28 KiB
C
488 lines
28 KiB
C
|
/* Copyright 2002 Christopher Clark */
|
||
|
|
/* Copyright 2005-2012 Nick Mathewson */
|
||
|
|
/* Copyright 2009-2012 Niels Provos and Nick Mathewson */
|
||
|
|
/* See license at end. */
|
||
|
|
|
||
|
|
/* Based on ideas by Christopher Clark and interfaces from Niels Provos. */
|
||
|
|
|
||
|
|
#ifndef HT_INTERNAL_H_INCLUDED_
|
||
|
|
#define HT_INTERNAL_H_INCLUDED_
|
||
|
|
|
||
|
|
#define HT_HEAD(name, type) \
|
||
|
|
struct name { \
|
||
|
|
/* The hash table itself. */ \
|
||
|
|
struct type **hth_table; \
|
||
|
|
/* How long is the hash table? */ \
|
||
|
|
unsigned hth_table_length; \
|
||
|
|
/* How many elements does the table contain? */ \
|
||
|
|
unsigned hth_n_entries; \
|
||
|
|
/* How many elements will we allow in the table before resizing it? */ \
|
||
|
|
unsigned hth_load_limit; \
|
||
|
|
/* Position of hth_table_length in the primes table. */ \
|
||
|
|
int hth_prime_idx; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define HT_INITIALIZER() \
|
||
|
|
{ NULL, 0, 0, 0, -1 }
|
||
|
|
|
||
|
|
#ifdef HT_NO_CACHE_HASH_VALUES
|
||
|
|
#define HT_ENTRY(type) \
|
||
|
|
struct { \
|
||
|
|
struct type *hte_next; \
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define HT_ENTRY(type) \
|
||
|
|
struct { \
|
||
|
|
struct type *hte_next; \
|
||
|
|
unsigned hte_hash; \
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define HT_EMPTY(head) \
|
||
|
|
((head)->hth_n_entries == 0)
|
||
|
|
|
||
|
|
/* How many elements in 'head'? */
|
||
|
|
#define HT_SIZE(head) \
|
||
|
|
((head)->hth_n_entries)
|
||
|
|
|
||
|
|
/* Return memory usage for a hashtable (not counting the entries themselves) */
|
||
|
|
#define HT_MEM_USAGE(head) \
|
||
|
|
(sizeof(*head) + (head)->hth_table_length * sizeof(void*))
|
||
|
|
|
||
|
|
#define HT_FIND(name, head, elm) name##_HT_FIND((head), (elm))
|
||
|
|
#define HT_INSERT(name, head, elm) name##_HT_INSERT((head), (elm))
|
||
|
|
#define HT_REPLACE(name, head, elm) name##_HT_REPLACE((head), (elm))
|
||
|
|
#define HT_REMOVE(name, head, elm) name##_HT_REMOVE((head), (elm))
|
||
|
|
#define HT_START(name, head) name##_HT_START(head)
|
||
|
|
#define HT_NEXT(name, head, elm) name##_HT_NEXT((head), (elm))
|
||
|
|
#define HT_NEXT_RMV(name, head, elm) name##_HT_NEXT_RMV((head), (elm))
|
||
|
|
#define HT_CLEAR(name, head) name##_HT_CLEAR(head)
|
||
|
|
#define HT_INIT(name, head) name##_HT_INIT(head)
|
||
|
|
/* Helper: */
|
||
|
|
static inline unsigned
|
||
|
|
ht_improve_hash_(unsigned h)
|
||
|
|
{
|
||
|
|
/* Aim to protect against poor hash functions by adding logic here
|
||
|
|
* - logic taken from java 1.4 hashtable source */
|
||
|
|
h += ~(h << 9);
|
||
|
|
h ^= ((h >> 14) | (h << 18)); /* >>> */
|
||
|
|
h += (h << 4);
|
||
|
|
h ^= ((h >> 10) | (h << 22)); /* >>> */
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
/** Basic string hash function, from Java standard String.hashCode(). */
|
||
|
|
static inline unsigned
|
||
|
|
ht_string_hash_(const char *s)
|
||
|
|
{
|
||
|
|
unsigned h = 0;
|
||
|
|
int m = 1;
|
||
|
|
while (*s) {
|
||
|
|
h += ((signed char)*s++)*m;
|
||
|
|
m = (m<<5)-1; /* m *= 31 */
|
||
|
|
}
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** Basic string hash function, from Python's str.__hash__() */
|
||
|
|
static inline unsigned
|
||
|
|
ht_string_hash_(const char *s)
|
||
|
|
{
|
||
|
|
unsigned h;
|
||
|
|
const unsigned char *cp = (const unsigned char *)s;
|
||
|
|
h = *cp << 7;
|
||
|
|
while (*cp) {
|
||
|
|
h = (1000003*h) ^ *cp++;
|
||
|
|
}
|
||
|
|
/* This conversion truncates the length of the string, but that's ok. */
|
||
|
|
h ^= (unsigned)(cp-(const unsigned char*)s);
|
||
|
|
return h;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef HT_NO_CACHE_HASH_VALUES
|
||
|
|
#define HT_SET_HASH_(elm, field, hashfn) \
|
||
|
|
do { (elm)->field.hte_hash = hashfn(elm); } while (0)
|
||
|
|
#define HT_SET_HASHVAL_(elm, field, val) \
|
||
|
|
do { (elm)->field.hte_hash = (val); } while (0)
|
||
|
|
#define HT_ELT_HASH_(elm, field, hashfn) \
|
||
|
|
((elm)->field.hte_hash)
|
||
|
|
#else
|
||
|
|
#define HT_SET_HASH_(elm, field, hashfn) \
|
||
|
|
((void)0)
|
||
|
|
#define HT_ELT_HASH_(elm, field, hashfn) \
|
||
|
|
(hashfn(elm))
|
||
|
|
#define HT_SET_HASHVAL_(elm, field, val) \
|
||
|
|
((void)0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Helper: alias for the bucket containing 'elm'. */
|
||
|
|
#define HT_BUCKET_(head, field, elm, hashfn) \
|
||
|
|
((head)->hth_table[HT_ELT_HASH_(elm,field,hashfn) % head->hth_table_length])
|
||
|
|
|
||
|
|
#define HT_FOREACH(x, name, head) \
|
||
|
|
for ((x) = HT_START(name, head); \
|
||
|
|
(x) != NULL; \
|
||
|
|
(x) = HT_NEXT(name, head, x))
|
||
|
|
|
||
|
|
#define HT_PROTOTYPE(name, type, field, hashfn, eqfn) \
|
||
|
|
int name##_HT_GROW(struct name *ht, unsigned min_capacity); \
|
||
|
|
void name##_HT_CLEAR(struct name *ht); \
|
||
|
|
int name##_HT_REP_IS_BAD_(const struct name *ht); \
|
||
|
|
static inline void \
|
||
|
|
name##_HT_INIT(struct name *head) { \
|
||
|
|
head->hth_table_length = 0; \
|
||
|
|
head->hth_table = NULL; \
|
||
|
|
head->hth_n_entries = 0; \
|
||
|
|
head->hth_load_limit = 0; \
|
||
|
|
head->hth_prime_idx = -1; \
|
||
|
|
} \
|
||
|
|
/* Helper: returns a pointer to the right location in the table \
|
||
|
|
* 'head' to find or insert the element 'elm'. */ \
|
||
|
|
static inline struct type ** \
|
||
|
|
name##_HT_FIND_P_(struct name *head, struct type *elm) \
|
||
|
|
{ \
|
||
|
|
struct type **p; \
|
||
|
|
if (!head->hth_table) \
|
||
|
|
return NULL; \
|
||
|
|
p = &HT_BUCKET_(head, field, elm, hashfn); \
|
||
|
|
while (*p) { \
|
||
|
|
if (eqfn(*p, elm)) \
|
||
|
|
return p; \
|
||
|
|
p = &(*p)->field.hte_next; \
|
||
|
|
} \
|
||
|
|
return p; \
|
||
|
|
} \
|
||
|
|
/* Return a pointer to the element in the table 'head' matching 'elm', \
|
||
|
|
* or NULL if no such element exists */ \
|
||
|
|
static inline struct type * \
|
||
|
|
name##_HT_FIND(const struct name *head, struct type *elm) \
|
||
|
|
{ \
|
||
|
|
struct type **p; \
|
||
|
|
struct name *h = (struct name *) head; \
|
||
|
|
HT_SET_HASH_(elm, field, hashfn); \
|
||
|
|
p = name##_HT_FIND_P_(h, elm); \
|
||
|
|
return p ? *p : NULL; \
|
||
|
|
} \
|
||
|
|
/* Insert the element 'elm' into the table 'head'. Do not call this \
|
||
|
|
* function if the table might already contain a matching element. */ \
|
||
|
|
static inline void \
|
||
|
|
name##_HT_INSERT(struct name *head, struct type *elm) \
|
||
|
|
{ \
|
||
|
|
struct type **p; \
|
||
|
|
if (!head->hth_table || head->hth_n_entries >= head->hth_load_limit) \
|
||
|
|
name##_HT_GROW(head, head->hth_n_entries+1); \
|
||
|
|
++head->hth_n_entries; \
|
||
|
|
HT_SET_HASH_(elm, field, hashfn); \
|
||
|
|
p = &HT_BUCKET_(head, field, elm, hashfn); \
|
||
|
|
elm->field.hte_next = *p; \
|
||
|
|
*p = elm; \
|
||
|
|
} \
|
||
|
|
/* Insert the element 'elm' into the table 'head'. If there already \
|
||
|
|
* a matching element in the table, replace that element and return \
|
||
|
|
* it. */ \
|
||
|
|
static inline struct type * \
|
||
|
|
name##_HT_REPLACE(struct name *head, struct type *elm) \
|
||
|
|
{ \
|
||
|
|
struct type **p, *r; \
|
||
|
|
if (!head->hth_table || head->hth_n_entries >= head->hth_load_limit) \
|
||
|
|
name##_HT_GROW(head, head->hth_n_entries+1); \
|
||
|
|
HT_SET_HASH_(elm, field, hashfn); \
|
||
|
|
p = name##_HT_FIND_P_(head, elm); \
|
||
|
|
r = *p; \
|
||
|
|
*p = elm; \
|
||
|
|
if (r && (r!=elm)) { \
|
||
|
|
elm->field.hte_next = r->field.hte_next; \
|
||
|
|
r->field.hte_next = NULL; \
|
||
|
|
return r; \
|
||
|
|
} else { \
|
||
|
|
++head->hth_n_entries; \
|
||
|
|
return NULL; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
/* Remove any element matching 'elm' from the table 'head'. If such \
|
||
|
|
* an element is found, return it; otherwise return NULL. */ \
|
||
|
|
static inline struct type * \
|
||
|
|
name##_HT_REMOVE(struct name *head, struct type *elm) \
|
||
|
|
{ \
|
||
|
|
struct type **p, *r; \
|
||
|
|
HT_SET_HASH_(elm, field, hashfn); \
|
||
|
|
p = name##_HT_FIND_P_(head,elm); \
|
||
|
|
if (!p || !*p) \
|
||
|
|
return NULL; \
|
||
|
|
r = *p; \
|
||
|
|
*p = r->field.hte_next; \
|
||
|
|
r->field.hte_next = NULL; \
|
||
|
|
--head->hth_n_entries; \
|
||
|
|
return r; \
|
||
|
|
} \
|
||
|
|
/* Invoke the function 'fn' on every element of the table 'head', \
|
||
|
|
* using 'data' as its second argument. If the function returns \
|
||
|
|
* nonzero, remove the most recently examined element before invoking \
|
||
|
|
* the function again. */ \
|
||
|
|
static inline void \
|
||
|
|
name##_HT_FOREACH_FN(struct name *head, \
|
||
|
|
int (*fn)(struct type *, void *), \
|
||
|
|
void *data) \
|
||
|
|
{ \
|
||
|
|
unsigned idx; \
|
||
|
|
struct type **p, **nextp, *next; \
|
||
|
|
if (!head->hth_table) \
|
||
|
|
return; \
|
||
|
|
for (idx=0; idx < head->hth_table_length; ++idx) { \
|
||
|
|
p = &head->hth_table[idx]; \
|
||
|
|
while (*p) { \
|
||
|
|
nextp = &(*p)->field.hte_next; \
|
||
|
|
next = *nextp; \
|
||
|
|
if (fn(*p, data)) { \
|
||
|
|
--head->hth_n_entries; \
|
||
|
|
*p = next; \
|
||
|
|
} else { \
|
||
|
|
p = nextp; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
/* Return a pointer to the first element in the table 'head', under \
|
||
|
|
* an arbitrary order. This order is stable under remove operations, \
|
||
|
|
* but not under others. If the table is empty, return NULL. */ \
|
||
|
|
static inline struct type ** \
|
||
|
|
name##_HT_START(struct name *head) \
|
||
|
|
{ \
|
||
|
|
unsigned b = 0; \
|
||
|
|
while (b < head->hth_table_length) { \
|
||
|
|
if (head->hth_table[b]) \
|
||
|
|
return &head->hth_table[b]; \
|
||
|
|
++b; \
|
||
|
|
} \
|
||
|
|
return NULL; \
|
||
|
|
} \
|
||
|
|
/* Return the next element in 'head' after 'elm', under the arbitrary \
|
||
|
|
* order used by HT_START. If there are no more elements, return \
|
||
|
|
* NULL. If 'elm' is to be removed from the table, you must call \
|
||
|
|
* this function for the next value before you remove it. \
|
||
|
|
*/ \
|
||
|
|
static inline struct type ** \
|
||
|
|
name##_HT_NEXT(struct name *head, struct type **elm) \
|
||
|
|
{ \
|
||
|
|
if ((*elm)->field.hte_next) { \
|
||
|
|
return &(*elm)->field.hte_next; \
|
||
|
|
} else { \
|
||
|
|
unsigned b = (HT_ELT_HASH_(*elm, field, hashfn) % head->hth_table_length)+1; \
|
||
|
|
while (b < head->hth_table_length) { \
|
||
|
|
if (head->hth_table[b]) \
|
||
|
|
return &head->hth_table[b]; \
|
||
|
|
++b; \
|
||
|
|
} \
|
||
|
|
return NULL; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
static inline struct type ** \
|
||
|
|
name##_HT_NEXT_RMV(struct name *head, struct type **elm) \
|
||
|
|
{ \
|
||
|
|
unsigned h = HT_ELT_HASH_(*elm, field, hashfn); \
|
||
|
|
*elm = (*elm)->field.hte_next; \
|
||
|
|
--head->hth_n_entries; \
|
||
|
|
if (*elm) { \
|
||
|
|
return elm; \
|
||
|
|
} else { \
|
||
|
|
unsigned b = (h % head->hth_table_length)+1; \
|
||
|
|
while (b < head->hth_table_length) { \
|
||
|
|
if (head->hth_table[b]) \
|
||
|
|
return &head->hth_table[b]; \
|
||
|
|
++b; \
|
||
|
|
} \
|
||
|
|
return NULL; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define HT_GENERATE(name, type, field, hashfn, eqfn, load, mallocfn, \
|
||
|
|
reallocfn, freefn) \
|
||
|
|
static unsigned name##_PRIMES[] = { \
|
||
|
|
53, 97, 193, 389, \
|
||
|
|
769, 1543, 3079, 6151, \
|
||
|
|
12289, 24593, 49157, 98317, \
|
||
|
|
196613, 393241, 786433, 1572869, \
|
||
|
|
3145739, 6291469, 12582917, 25165843, \
|
||
|
|
50331653, 100663319, 201326611, 402653189, \
|
||
|
|
805306457, 1610612741 \
|
||
|
|
}; \
|
||
|
|
static unsigned name##_N_PRIMES = \
|
||
|
|
(unsigned)(sizeof(name##_PRIMES)/sizeof(name##_PRIMES[0])); \
|
||
|
|
/* Expand the internal table of 'head' until it is large enough to \
|
||
|
|
* hold 'size' elements. Return 0 on success, -1 on allocation \
|
||
|
|
* failure. */ \
|
||
|
|
int \
|
||
|
|
name##_HT_GROW(struct name *head, unsigned size) \
|
||
|
|
{ \
|
||
|
|
unsigned new_len, new_load_limit; \
|
||
|
|
int prime_idx; \
|
||
|
|
struct type **new_table; \
|
||
|
|
if (head->hth_prime_idx == (int)name##_N_PRIMES - 1) \
|
||
|
|
return 0; \
|
||
|
|
if (head->hth_load_limit > size) \
|
||
|
|
return 0; \
|
||
|
|
prime_idx = head->hth_prime_idx; \
|
||
|
|
do { \
|
||
|
|
new_len = name##_PRIMES[++prime_idx]; \
|
||
|
|
new_load_limit = (unsigned)(load*new_len); \
|
||
|
|
} while (new_load_limit <= size && \
|
||
|
|
prime_idx < (int)name##_N_PRIMES); \
|
||
|
|
if ((new_table = mallocfn(new_len*sizeof(struct type*)))) { \
|
||
|
|
unsigned b; \
|
||
|
|
memset(new_table, 0, new_len*sizeof(struct type*)); \
|
||
|
|
for (b = 0; b < head->hth_table_length; ++b) { \
|
||
|
|
struct type *elm, *next; \
|
||
|
|
unsigned b2; \
|
||
|
|
elm = head->hth_table[b]; \
|
||
|
|
while (elm) { \
|
||
|
|
next = elm->field.hte_next; \
|
||
|
|
b2 = HT_ELT_HASH_(elm, field, hashfn) % new_len; \
|
||
|
|
elm->field.hte_next = new_table[b2]; \
|
||
|
|
new_table[b2] = elm; \
|
||
|
|
elm = next; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
if (head->hth_table) \
|
||
|
|
freefn(head->hth_table); \
|
||
|
|
head->hth_table = new_table; \
|
||
|
|
} else { \
|
||
|
|
unsigned b, b2; \
|
||
|
|
new_table = reallocfn(head->hth_table, new_len*sizeof(struct type*)); \
|
||
|
|
if (!new_table) return -1; \
|
||
|
|
memset(new_table + head->hth_table_length, 0, \
|
||
|
|
(new_len - head->hth_table_length)*sizeof(struct type*)); \
|
||
|
|
for (b=0; b < head->hth_table_length; ++b) { \
|
||
|
|
struct type *e, **pE; \
|
||
|
|
for (pE = &new_table[b], e = *pE; e != NULL; e = *pE) { \
|
||
|
|
b2 = HT_ELT_HASH_(e, field, hashfn) % new_len; \
|
||
|
|
if (b2 == b) { \
|
||
|
|
pE = &e->field.hte_next; \
|
||
|
|
} else { \
|
||
|
|
*pE = e->field.hte_next; \
|
||
|
|
e->field.hte_next = new_table[b2]; \
|
||
|
|
new_table[b2] = e; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
head->hth_table = new_table; \
|
||
|
|
} \
|
||
|
|
head->hth_table_length = new_len; \
|
||
|
|
head->hth_prime_idx = prime_idx; \
|
||
|
|
head->hth_load_limit = new_load_limit; \
|
||
|
|
return 0; \
|
||
|
|
} \
|
||
|
|
/* Free all storage held by 'head'. Does not free 'head' itself, or \
|
||
|
|
* individual elements. */ \
|
||
|
|
void \
|
||
|
|
name##_HT_CLEAR(struct name *head) \
|
||
|
|
{ \
|
||
|
|
if (head->hth_table) \
|
||
|
|
freefn(head->hth_table); \
|
||
|
|
name##_HT_INIT(head); \
|
||
|
|
} \
|
||
|
|
/* Debugging helper: return false iff the representation of 'head' is \
|
||
|
|
* internally consistent. */ \
|
||
|
|
int \
|
||
|
|
name##_HT_REP_IS_BAD_(const struct name *head) \
|
||
|
|
{ \
|
||
|
|
unsigned n, i; \
|
||
|
|
struct type *elm; \
|
||
|
|
if (!head->hth_table_length) { \
|
||
|
|
if (!head->hth_table && !head->hth_n_entries && \
|
||
|
|
!head->hth_load_limit && head->hth_prime_idx == -1) \
|
||
|
|
return 0; \
|
||
|
|
else \
|
||
|
|
return 1; \
|
||
|
|
} \
|
||
|
|
if (!head->hth_table || head->hth_prime_idx < 0 || \
|
||
|
|
!head->hth_load_limit) \
|
||
|
|
return 2; \
|
||
|
|
if (head->hth_n_entries > head->hth_load_limit) \
|
||
|
|
return 3; \
|
||
|
|
if (head->hth_table_length != name##_PRIMES[head->hth_prime_idx]) \
|
||
|
|
return 4; \
|
||
|
|
if (head->hth_load_limit != (unsigned)(load*head->hth_table_length)) \
|
||
|
|
return 5; \
|
||
|
|
for (n = i = 0; i < head->hth_table_length; ++i) { \
|
||
|
|
for (elm = head->hth_table[i]; elm; elm = elm->field.hte_next) { \
|
||
|
|
if (HT_ELT_HASH_(elm, field, hashfn) != hashfn(elm)) \
|
||
|
|
return 1000 + i; \
|
||
|
|
if ((HT_ELT_HASH_(elm, field, hashfn) % head->hth_table_length) != i) \
|
||
|
|
return 10000 + i; \
|
||
|
|
++n; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
if (n != head->hth_n_entries) \
|
||
|
|
return 6; \
|
||
|
|
return 0; \
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Implements an over-optimized "find and insert if absent" block;
|
||
|
|
* not meant for direct usage by typical code, or usage outside the critical
|
||
|
|
* path.*/
|
||
|
|
#define HT_FIND_OR_INSERT_(name, field, hashfn, head, eltype, elm, var, y, n) \
|
||
|
|
{ \
|
||
|
|
struct name *var##_head_ = head; \
|
||
|
|
struct eltype **var; \
|
||
|
|
if (!var##_head_->hth_table || \
|
||
|
|
var##_head_->hth_n_entries >= var##_head_->hth_load_limit) \
|
||
|
|
name##_HT_GROW(var##_head_, var##_head_->hth_n_entries+1); \
|
||
|
|
HT_SET_HASH_((elm), field, hashfn); \
|
||
|
|
var = name##_HT_FIND_P_(var##_head_, (elm)); \
|
||
|
|
if (*var) { \
|
||
|
|
y; \
|
||
|
|
} else { \
|
||
|
|
n; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
#define HT_FOI_INSERT_(field, head, elm, newent, var) \
|
||
|
|
{ \
|
||
|
|
HT_SET_HASHVAL_(newent, field, (elm)->field.hte_hash); \
|
||
|
|
newent->field.hte_next = NULL; \
|
||
|
|
*var = newent; \
|
||
|
|
++((head)->hth_n_entries); \
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright 2005, Nick Mathewson. Implementation logic is adapted from code
|
||
|
|
* by Christopher Clark, retrofit to allow drop-in memory management, and to
|
||
|
|
* use the same interface as Niels Provos's tree.h. This is probably still
|
||
|
|
* a derived work, so the original license below still applies.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2002, Christopher Clark
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* * Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
*
|
||
|
|
* * Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
*
|
||
|
|
* * Neither the name of the original author; nor the names of any contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
||
|
|
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|