commit a31fb42d2e5aed07748effc5ec765b7478a84bba Author: Nick Mathewson nickm@torproject.org Date: Mon Feb 13 18:40:30 2012 -0500
Port over the last ht.h changes from libevent: avoid _reserved identifiers --- src/common/container.c | 8 ++-- src/common/ht.h | 72 ++++++++++++++++++++++++------------------------ 2 files changed, 40 insertions(+), 40 deletions(-)
diff --git a/src/common/container.c b/src/common/container.c index 81a946a..23ec9d3 100644 --- a/src/common/container.c +++ b/src/common/container.c @@ -1027,7 +1027,7 @@ digestmap_set(digestmap_t *map, const char *key, void *val) * the hash table that we do in the unoptimized code above. (Each of * HT_INSERT and HT_FIND calls HT_SET_HASH and HT_FIND_P.) */ - _HT_FIND_OR_INSERT(digestmap_impl, node, digestmap_entry_hash, &(map->head), + HT_FIND_OR_INSERT_(digestmap_impl, node, digestmap_entry_hash, &(map->head), digestmap_entry_t, &search, ptr, { /* we found an entry. */ @@ -1041,7 +1041,7 @@ digestmap_set(digestmap_t *map, const char *key, void *val) tor_malloc_zero(sizeof(digestmap_entry_t)); memcpy(newent->key, key, DIGEST_LEN); newent->val = val; - _HT_FOI_INSERT(node, &(map->head), &search, newent, ptr); + HT_FOI_INSERT_(node, &(map->head), &search, newent, ptr); return NULL; }); #endif @@ -1354,14 +1354,14 @@ digestmap_free(digestmap_t *map, void (*free_val)(void*)) void strmap_assert_ok(const strmap_t *map) { - tor_assert(!_strmap_impl_HT_REP_IS_BAD(&map->head)); + tor_assert(!strmap_impl_HT_REP_IS_BAD_(&map->head)); } /** Fail with an assertion error if anything has gone wrong with the internal * representation of <b>map</b>. */ void digestmap_assert_ok(const digestmap_t *map) { - tor_assert(!_digestmap_impl_HT_REP_IS_BAD(&map->head)); + tor_assert(!digestmap_impl_HT_REP_IS_BAD_(&map->head)); }
/** Return true iff <b>map</b> has no entries. */ diff --git a/src/common/ht.h b/src/common/ht.h index 12977cb..f7d4ce1 100644 --- a/src/common/ht.h +++ b/src/common/ht.h @@ -102,24 +102,24 @@ ht_string_hash(const char *s) }
#ifndef HT_NO_CACHE_HASH_VALUES -#define _HT_SET_HASH(elm, field, hashfn) \ +#define HT_SET_HASH_(elm, field, hashfn) \ do { (elm)->field.hte_hash = hashfn(elm); } while (0) -#define _HT_SET_HASHVAL(elm, field, val) \ +#define HT_SET_HASHVAL_(elm, field, val) \ do { (elm)->field.hte_hash = (val); } while (0) -#define _HT_ELT_HASH(elm, field, hashfn) \ +#define HT_ELT_HASH_(elm, field, hashfn) \ ((elm)->field.hte_hash) #else -#define _HT_SET_HASH(elm, field, hashfn) \ +#define HT_SET_HASH_(elm, field, hashfn) \ ((void)0) -#define _HT_ELT_HASH(elm, field, hashfn) \ +#define HT_ELT_HASH_(elm, field, hashfn) \ (hashfn(elm)) -#define _HT_SET_HASHVAL(elm, field, val) \ +#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_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); \ @@ -129,7 +129,7 @@ ht_string_hash(const char *s) #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); \ + int name##_HT_REP_IS_BAD_(const struct name *ht); \ static INLINE void \ name##_HT_INIT(struct name *head) { \ head->hth_table_length = 0; \ @@ -141,12 +141,12 @@ ht_string_hash(const char *s) /* 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) \ + 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); \ + p = &HT_BUCKET_(head, field, elm, hashfn); \ while (*p) { \ if (eqfn(*p, elm)) \ return p; \ @@ -161,8 +161,8 @@ ht_string_hash(const char *s) { \ struct type **p; \ struct name *h = (struct name *) head; \ - _HT_SET_HASH(elm, field, hashfn); \ - p = _##name##_HT_FIND_P(h, elm); \ + 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 \ @@ -174,8 +174,8 @@ ht_string_hash(const char *s) 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); \ + HT_SET_HASH_(elm, field, hashfn); \ + p = &HT_BUCKET_(head, field, elm, hashfn); \ elm->field.hte_next = *p; \ *p = elm; \ } \ @@ -188,8 +188,8 @@ ht_string_hash(const char *s) 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); \ + HT_SET_HASH_(elm, field, hashfn); \ + p = name##_HT_FIND_P_(head, elm); \ r = *p; \ *p = elm; \ if (r && (r!=elm)) { \ @@ -207,8 +207,8 @@ ht_string_hash(const char *s) 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); \ + HT_SET_HASH_(elm, field, hashfn); \ + p = name##_HT_FIND_P_(head,elm); \ if (!p || !*p) \ return NULL; \ r = *p; \ @@ -269,7 +269,7 @@ ht_string_hash(const char *s) if ((*elm)->field.hte_next) { \ return &(*elm)->field.hte_next; \ } else { \ - unsigned b = (_HT_ELT_HASH(*elm, field, hashfn) % head->hth_table_length)+1; \ + 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]; \ @@ -281,7 +281,7 @@ ht_string_hash(const char *s) static INLINE struct type ** \ name##_HT_NEXT_RMV(struct name *head, struct type **elm) \ { \ - unsigned h = _HT_ELT_HASH(*elm, field, hashfn); \ + unsigned h = HT_ELT_HASH_(*elm, field, hashfn); \ *elm = (*elm)->field.hte_next; \ --head->hth_n_entries; \ if (*elm) { \ @@ -338,7 +338,7 @@ ht_string_hash(const char *s) elm = head->hth_table[b]; \ while (elm) { \ next = elm->field.hte_next; \ - b2 = _HT_ELT_HASH(elm, field, hashfn) % new_len; \ + b2 = HT_ELT_HASH_(elm, field, hashfn) % new_len; \ elm->field.hte_next = new_table[b2]; \ new_table[b2] = elm; \ elm = next; \ @@ -356,7 +356,7 @@ ht_string_hash(const char *s) 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; \ + b2 = HT_ELT_HASH_(e, field, hashfn) % new_len; \ if (b2 == b) { \ pE = &e->field.hte_next; \ } else { \ @@ -386,7 +386,7 @@ ht_string_hash(const char *s) /* Debugging helper: return false iff the representation of 'head' is \ * internally consistent. */ \ int \ - _##name##_HT_REP_IS_BAD(const struct name *head) \ + name##_HT_REP_IS_BAD_(const struct name *head) \ { \ unsigned n, i; \ struct type *elm; \ @@ -408,9 +408,9 @@ ht_string_hash(const char *s) 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)) \ + if (HT_ELT_HASH_(elm, field, hashfn) != hashfn(elm)) \ return 1000 + i; \ - if ((_HT_ELT_HASH(elm, field, hashfn) % head->hth_table_length) != i) \ + if ((HT_ELT_HASH_(elm, field, hashfn) % head->hth_table_length) != i) \ return 10000 + i; \ ++n; \ } \ @@ -423,24 +423,24 @@ ht_string_hash(const char *s) /** 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) \ +#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)); \ + 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) \ +#define HT_FOI_INSERT_(field, head, elm, newent, var) \ { \ - _HT_SET_HASHVAL(newent, field, (elm)->field.hte_hash); \ + HT_SET_HASHVAL_(newent, field, (elm)->field.hte_hash); \ newent->field.hte_next = NULL; \ *var = newent; \ ++((head)->hth_n_entries); \