Update bundled uthash/utlist

This commit is contained in:
Roger A. Light
2025-08-22 17:31:12 +01:00
parent a7ea99dde9
commit f188d64453
2 changed files with 47 additions and 134 deletions
+41 -131
View File
@@ -1,5 +1,5 @@
/*
Copyright (c) 2003-2018, Troy D. Hanson http://troydhanson.github.com/uthash/
Copyright (c) 2003-2025, Troy D. Hanson https://troydhanson.github.io/uthash/
All rights reserved.
Redistribution and use in source and binary forms, with or without
@@ -24,12 +24,19 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef UTHASH_H
#define UTHASH_H
#define UTHASH_VERSION 2.1.0
#define UTHASH_VERSION 2.3.0
#include <string.h> /* memcmp, memset, strlen */
#include <stddef.h> /* ptrdiff_t */
#include <stdlib.h> /* exit */
#if defined(HASH_NO_STDINT) && HASH_NO_STDINT
/* The user doesn't have <stdint.h>, and must figure out their own way
to provide definitions for uint8_t and uint32_t. */
#else
#include <stdint.h> /* uint8_t, uint32_t */
#endif
/* These macros use decltype or the earlier __typeof GNU extension.
As decltype is only available in newer compilers (VS2010 or gcc 4.3+
when compiling c++ source) this code uses whatever method is needed
@@ -41,6 +48,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#else /* VS2008 or older (or VS2010 in C mode) */
#define NO_DECLTYPE
#endif
#elif defined(__MCST__) /* Elbrus C Compiler */
#define DECLTYPE(x) (__typeof(x))
#elif defined(__BORLANDC__) || defined(__ICCARM__) || defined(__LCC__) || defined(__WATCOMC__)
#define NO_DECLTYPE
#else /* GNU, Sun and other compilers */
@@ -62,23 +71,6 @@ do {
} while (0)
#endif
/* a number of the hash function use uint32_t which isn't defined on Pre VS2010 */
#if defined(_WIN32)
#if defined(_MSC_VER) && _MSC_VER >= 1600
#include <stdint.h>
#elif defined(__WATCOMC__) || defined(__MINGW32__) || defined(__CYGWIN__)
#include <stdint.h>
#else
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;
#endif
#elif defined(__GNUC__) && !defined(__VXWORKS__)
#include <stdint.h>
#else
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;
#endif
#ifndef uthash_malloc
#define uthash_malloc(sz) malloc(sz) /* malloc fcn */
#endif
@@ -92,15 +84,12 @@ typedef unsigned char uint8_t;
#define uthash_strlen(s) strlen(s)
#endif
#ifdef uthash_memcmp
/* This warning will not catch programs that define uthash_memcmp AFTER including uthash.h. */
#warning "uthash_memcmp is deprecated; please use HASH_KEYCMP instead"
#else
#define uthash_memcmp(a,b,n) memcmp(a,b,n)
#ifndef HASH_FUNCTION
#define HASH_FUNCTION(keyptr,keylen,hashv) HASH_JEN(keyptr, keylen, hashv)
#endif
#ifndef HASH_KEYCMP
#define HASH_KEYCMP(a,b,n) uthash_memcmp(a,b,n)
#define HASH_KEYCMP(a,b,n) memcmp(a,b,n)
#endif
#ifndef uthash_noexpand_fyi
@@ -144,7 +133,7 @@ typedef unsigned char uint8_t;
/* calculate the element whose hash handle address is hhp */
#define ELMT_FROM_HH(tbl,hhp) ((void*)(((char*)(hhp)) - ((tbl)->hho)))
/* calculate the hash handle from element address elp */
#define HH_FROM_ELMT(tbl,elp) ((UT_hash_handle *)(((char*)(elp)) + ((tbl)->hho)))
#define HH_FROM_ELMT(tbl,elp) ((UT_hash_handle*)(void*)(((char*)(elp)) + ((tbl)->hho)))
#define HASH_ROLLBACK_BKT(hh, head, itemptrhh) \
do { \
@@ -158,7 +147,7 @@ do {
#define HASH_VALUE(keyptr,keylen,hashv) \
do { \
HASH_FCN(keyptr, keylen, hashv); \
HASH_FUNCTION(keyptr, keylen, hashv); \
} while (0)
#define HASH_FIND_BYHASHVALUE(hh,head,keyptr,keylen,hashval,out) \
@@ -167,7 +156,7 @@ do {
if (head) { \
unsigned _hf_bkt; \
HASH_TO_BKT(hashval, (head)->hh.tbl->num_buckets, _hf_bkt); \
if (HASH_BLOOM_TEST((head)->hh.tbl, hashval) != 0) { \
if (HASH_BLOOM_TEST((head)->hh.tbl, hashval)) { \
HASH_FIND_IN_BKT((head)->hh.tbl, hh, (head)->hh.tbl->buckets[ _hf_bkt ], keyptr, keylen, hashval, out); \
} \
} \
@@ -175,9 +164,12 @@ do {
#define HASH_FIND(hh,head,keyptr,keylen,out) \
do { \
unsigned _hf_hashv; \
HASH_VALUE(keyptr, keylen, _hf_hashv); \
HASH_FIND_BYHASHVALUE(hh, head, keyptr, keylen, _hf_hashv, out); \
(out) = NULL; \
if (head) { \
unsigned _hf_hashv; \
HASH_VALUE(keyptr, keylen, _hf_hashv); \
HASH_FIND_BYHASHVALUE(hh, head, keyptr, keylen, _hf_hashv, out); \
} \
} while (0)
#ifdef HASH_BLOOM
@@ -201,7 +193,7 @@ do {
} while (0)
#define HASH_BLOOM_BITSET(bv,idx) (bv[(idx)/8U] |= (1U << ((idx)%8U)))
#define HASH_BLOOM_BITTEST(bv,idx) (bv[(idx)/8U] & (1U << ((idx)%8U)))
#define HASH_BLOOM_BITTEST(bv,idx) ((bv[(idx)/8U] & (1U << ((idx)%8U))) != 0)
#define HASH_BLOOM_ADD(tbl,hashv) \
HASH_BLOOM_BITSET((tbl)->bloom_bv, ((hashv) & (uint32_t)((1UL << (tbl)->bloom_nbits) - 1U)))
@@ -213,7 +205,7 @@ do {
#define HASH_BLOOM_MAKE(tbl,oomed)
#define HASH_BLOOM_FREE(tbl)
#define HASH_BLOOM_ADD(tbl,hashv)
#define HASH_BLOOM_TEST(tbl,hashv) (1)
#define HASH_BLOOM_TEST(tbl,hashv) 1
#define HASH_BLOOM_BYTELEN 0U
#endif
@@ -405,7 +397,7 @@ do {
do { \
IF_HASH_NONFATAL_OOM( int _ha_oomed = 0; ) \
(add)->hh.hashv = (hashval); \
(add)->hh.key = (char*) (keyptr); \
(add)->hh.key = (const void*) (keyptr); \
(add)->hh.keylen = (unsigned) (keylen_in); \
if (!(head)) { \
(add)->hh.next = NULL; \
@@ -457,7 +449,7 @@ do {
#define HASH_DELETE_HH(hh,head,delptrhh) \
do { \
struct UT_hash_handle *_hd_hh_del = (delptrhh); \
const struct UT_hash_handle *_hd_hh_del = (delptrhh); \
if ((_hd_hh_del->prev == NULL) && (_hd_hh_del->next == NULL)) { \
HASH_BLOOM_FREE((head)->hh.tbl); \
uthash_free((head)->hh.tbl->buckets, \
@@ -519,7 +511,8 @@ do {
* This is for uthash developer only; it compiles away if HASH_DEBUG isn't defined.
*/
#ifdef HASH_DEBUG
#define HASH_OOPS(...) do { fprintf(stderr,__VA_ARGS__); exit(-1); } while (0)
#include <stdio.h> /* fprintf, stderr */
#define HASH_OOPS(...) do { fprintf(stderr, __VA_ARGS__); exit(-1); } while (0)
#define HASH_FSCK(hh,head,where) \
do { \
struct UT_hash_handle *_thh; \
@@ -586,13 +579,6 @@ do {
#define HASH_EMIT_KEY(hh,head,keyptr,fieldlen)
#endif
/* default to Jenkin's hash unless overridden e.g. DHASH_FUNCTION=HASH_SAX */
#ifdef HASH_FUNCTION
#define HASH_FCN HASH_FUNCTION
#else
#define HASH_FCN HASH_JEN
#endif
/* The Bernstein hash function, used in Perl prior to v5.6. Note (x<<5+x)=x*33. */
#define HASH_BER(key,keylen,hashv) \
do { \
@@ -606,7 +592,9 @@ do {
/* SAX/FNV/OAT/JEN hash functions are macro variants of those listed at
* http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx */
* http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx
* (archive link: https://archive.is/Ivcan )
*/
#define HASH_SAX(key,keylen,hashv) \
do { \
unsigned _sx_i; \
@@ -691,7 +679,8 @@ do {
case 4: _hj_i += ( (unsigned)_hj_key[3] << 24 ); /* FALLTHROUGH */ \
case 3: _hj_i += ( (unsigned)_hj_key[2] << 16 ); /* FALLTHROUGH */ \
case 2: _hj_i += ( (unsigned)_hj_key[1] << 8 ); /* FALLTHROUGH */ \
case 1: _hj_i += _hj_key[0]; \
case 1: _hj_i += _hj_key[0]; /* FALLTHROUGH */ \
default: ; \
} \
HASH_JEN_MIX(_hj_i, _hj_j, hashv); \
} while (0)
@@ -739,6 +728,8 @@ do {
case 1: hashv += *_sfh_key; \
hashv ^= hashv << 10; \
hashv += hashv >> 1; \
break; \
default: ; \
} \
\
/* Force "avalanching" of final 127 bits */ \
@@ -750,87 +741,6 @@ do {
hashv += hashv >> 6; \
} while (0)
#ifdef HASH_USING_NO_STRICT_ALIASING
/* The MurmurHash exploits some CPU's (x86,x86_64) tolerance for unaligned reads.
* For other types of CPU's (e.g. Sparc) an unaligned read causes a bus error.
* MurmurHash uses the faster approach only on CPU's where we know it's safe.
*
* Note the preprocessor built-in defines can be emitted using:
*
* gcc -m64 -dM -E - < /dev/null (on gcc)
* cc -## a.c (where a.c is a simple test file) (Sun Studio)
*/
#if (defined(__i386__) || defined(__x86_64__) || defined(_M_IX86))
#define MUR_GETBLOCK(p,i) p[i]
#else /* non intel */
#define MUR_PLUS0_ALIGNED(p) (((unsigned long)p & 3UL) == 0UL)
#define MUR_PLUS1_ALIGNED(p) (((unsigned long)p & 3UL) == 1UL)
#define MUR_PLUS2_ALIGNED(p) (((unsigned long)p & 3UL) == 2UL)
#define MUR_PLUS3_ALIGNED(p) (((unsigned long)p & 3UL) == 3UL)
#define WP(p) ((uint32_t*)((unsigned long)(p) & ~3UL))
#if (defined(__BIG_ENDIAN__) || defined(SPARC) || defined(__ppc__) || defined(__ppc64__))
#define MUR_THREE_ONE(p) ((((*WP(p))&0x00ffffff) << 8) | (((*(WP(p)+1))&0xff000000) >> 24))
#define MUR_TWO_TWO(p) ((((*WP(p))&0x0000ffff) <<16) | (((*(WP(p)+1))&0xffff0000) >> 16))
#define MUR_ONE_THREE(p) ((((*WP(p))&0x000000ff) <<24) | (((*(WP(p)+1))&0xffffff00) >> 8))
#else /* assume little endian non-intel */
#define MUR_THREE_ONE(p) ((((*WP(p))&0xffffff00) >> 8) | (((*(WP(p)+1))&0x000000ff) << 24))
#define MUR_TWO_TWO(p) ((((*WP(p))&0xffff0000) >>16) | (((*(WP(p)+1))&0x0000ffff) << 16))
#define MUR_ONE_THREE(p) ((((*WP(p))&0xff000000) >>24) | (((*(WP(p)+1))&0x00ffffff) << 8))
#endif
#define MUR_GETBLOCK(p,i) (MUR_PLUS0_ALIGNED(p) ? ((p)[i]) : \
(MUR_PLUS1_ALIGNED(p) ? MUR_THREE_ONE(p) : \
(MUR_PLUS2_ALIGNED(p) ? MUR_TWO_TWO(p) : \
MUR_ONE_THREE(p))))
#endif
#define MUR_ROTL32(x,r) (((x) << (r)) | ((x) >> (32 - (r))))
#define MUR_FMIX(_h) \
do { \
_h ^= _h >> 16; \
_h *= 0x85ebca6bu; \
_h ^= _h >> 13; \
_h *= 0xc2b2ae35u; \
_h ^= _h >> 16; \
} while (0)
#define HASH_MUR(key,keylen,hashv) \
do { \
const uint8_t *_mur_data = (const uint8_t*)(key); \
const int _mur_nblocks = (int)(keylen) / 4; \
uint32_t _mur_h1 = 0xf88D5353u; \
uint32_t _mur_c1 = 0xcc9e2d51u; \
uint32_t _mur_c2 = 0x1b873593u; \
uint32_t _mur_k1 = 0; \
const uint8_t *_mur_tail; \
const uint32_t *_mur_blocks = (const uint32_t*)(_mur_data+(_mur_nblocks*4)); \
int _mur_i; \
for (_mur_i = -_mur_nblocks; _mur_i != 0; _mur_i++) { \
_mur_k1 = MUR_GETBLOCK(_mur_blocks,_mur_i); \
_mur_k1 *= _mur_c1; \
_mur_k1 = MUR_ROTL32(_mur_k1,15); \
_mur_k1 *= _mur_c2; \
\
_mur_h1 ^= _mur_k1; \
_mur_h1 = MUR_ROTL32(_mur_h1,13); \
_mur_h1 = (_mur_h1*5U) + 0xe6546b64u; \
} \
_mur_tail = (const uint8_t*)(_mur_data + (_mur_nblocks*4)); \
_mur_k1=0; \
switch ((keylen) & 3U) { \
case 0: break; \
case 3: _mur_k1 ^= (uint32_t)_mur_tail[2] << 16; /* FALLTHROUGH */ \
case 2: _mur_k1 ^= (uint32_t)_mur_tail[1] << 8; /* FALLTHROUGH */ \
case 1: _mur_k1 ^= (uint32_t)_mur_tail[0]; \
_mur_k1 *= _mur_c1; \
_mur_k1 = MUR_ROTL32(_mur_k1,15); \
_mur_k1 *= _mur_c2; \
_mur_h1 ^= _mur_k1; \
} \
_mur_h1 ^= (uint32_t)(keylen); \
MUR_FMIX(_mur_h1); \
hashv = _mur_h1; \
} while (0)
#endif /* HASH_USING_NO_STRICT_ALIASING */
/* iterate over items in a known bucket to find desired item */
#define HASH_FIND_IN_BKT(tbl,hh,head,keyptr,keylen_in,hashval,out) \
do { \
@@ -841,7 +751,7 @@ do {
} \
while ((out) != NULL) { \
if ((out)->hh.hashv == (hashval) && (out)->hh.keylen == (keylen_in)) { \
if (HASH_KEYCMP((out)->hh.key, keyptr, keylen_in) == 0) { \
if (HASH_KEYCMP((out)->hh.key, keyptr, keylen_in) == 0) { \
break; \
} \
} \
@@ -927,12 +837,12 @@ do {
struct UT_hash_handle *_he_thh, *_he_hh_nxt; \
UT_hash_bucket *_he_new_buckets, *_he_newbkt; \
_he_new_buckets = (UT_hash_bucket*)uthash_malloc( \
2UL * (tbl)->num_buckets * sizeof(struct UT_hash_bucket)); \
sizeof(struct UT_hash_bucket) * (tbl)->num_buckets * 2U); \
if (!_he_new_buckets) { \
HASH_RECORD_OOM(oomed); \
} else { \
uthash_bzero(_he_new_buckets, \
2UL * (tbl)->num_buckets * sizeof(struct UT_hash_bucket)); \
sizeof(struct UT_hash_bucket) * (tbl)->num_buckets * 2U); \
(tbl)->ideal_chain_maxlen = \
((tbl)->num_items >> ((tbl)->log2_num_buckets+1U)) + \
((((tbl)->num_items & (((tbl)->num_buckets*2U)-1U)) != 0U) ? 1U : 0U); \
@@ -1080,7 +990,7 @@ do {
_elt = ELMT_FROM_HH((src)->hh_src.tbl, _src_hh); \
if (cond(_elt)) { \
IF_HASH_NONFATAL_OOM( int _hs_oomed = 0; ) \
_dst_hh = (UT_hash_handle*)(((char*)_elt) + _dst_hho); \
_dst_hh = (UT_hash_handle*)(void*)(((char*)_elt) + _dst_hho); \
_dst_hh->key = _src_hh->key; \
_dst_hh->keylen = _src_hh->keylen; \
_dst_hh->hashv = _src_hh->hashv; \
@@ -1219,7 +1129,7 @@ typedef struct UT_hash_handle {
void *next; /* next element in app order */
struct UT_hash_handle *hh_prev; /* previous hh in bucket order */
struct UT_hash_handle *hh_next; /* next hh in bucket order */
void *key; /* ptr to enclosing struct's key */
const void *key; /* ptr to enclosing struct's key */
unsigned keylen; /* enclosing struct's key len */
unsigned hashv; /* result of hash-fcn(key) */
} UT_hash_handle;
+6 -3
View File
@@ -1,5 +1,5 @@
/*
Copyright (c) 2007-2018, Troy D. Hanson http://troydhanson.github.com/uthash/
Copyright (c) 2007-2025, Troy D. Hanson https://troydhanson.github.io/uthash/
All rights reserved.
Redistribution and use in source and binary forms, with or without
@@ -24,7 +24,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef UTLIST_H
#define UTLIST_H
#define UTLIST_VERSION 2.1.0
#define UTLIST_VERSION 2.3.0
#include <assert.h>
@@ -70,6 +70,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#else /* VS2008 or older (or VS2010 in C mode) */
#define NO_DECLTYPE
#endif
#elif defined(__MCST__) /* Elbrus C Compiler */
#define LDECLTYPE(x) __typeof(x)
#elif defined(__BORLANDC__) || defined(__ICCARM__) || defined(__LCC__) || defined(__WATCOMC__)
#define NO_DECLTYPE
#else /* GNU, Sun and other compilers */
@@ -709,7 +711,8 @@ do {
assert((del)->prev != NULL); \
if ((del)->prev == (del)) { \
(head)=NULL; \
} else if ((del)==(head)) { \
} else if ((del) == (head)) { \
assert((del)->next != NULL); \
(del)->next->prev = (del)->prev; \
(head) = (del)->next; \
} else { \