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authorTheSiahxyz <164138827+TheSiahxyz@users.noreply.github.com>2026-04-28 15:42:50 +0900
committerTheSiahxyz <164138827+TheSiahxyz@users.noreply.github.com>2026-04-28 15:42:50 +0900
commitae78dbbff81196f1d7bc8fabf84d05e6b9f3ca03 (patch)
treefdc69ee3e2772aa4db7e8efe4bd30d101c7f82ac /fedora/.local/bin/htop-vim/Hashtable.c
parent06ad645351572c0e7188c52028998384d718df2e (diff)
updatesHEADmaster
Diffstat (limited to 'fedora/.local/bin/htop-vim/Hashtable.c')
-rw-r--r--fedora/.local/bin/htop-vim/Hashtable.c330
1 files changed, 0 insertions, 330 deletions
diff --git a/fedora/.local/bin/htop-vim/Hashtable.c b/fedora/.local/bin/htop-vim/Hashtable.c
deleted file mode 100644
index 2756b23..0000000
--- a/fedora/.local/bin/htop-vim/Hashtable.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
-htop - Hashtable.c
-(C) 2004-2011 Hisham H. Muhammad
-Released under the GNU GPLv2+, see the COPYING file
-in the source distribution for its full text.
-*/
-
-#include "config.h" // IWYU pragma: keep
-
-#include "Hashtable.h"
-
-#include <assert.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "CRT.h"
-#include "Macros.h"
-#include "XUtils.h"
-
-#ifndef NDEBUG
-#include <stdio.h>
-#endif
-
-
-typedef struct HashtableItem_ {
- ht_key_t key;
- size_t probe;
- void* value;
-} HashtableItem;
-
-struct Hashtable_ {
- size_t size;
- HashtableItem* buckets;
- size_t items;
- bool owner;
-};
-
-
-#ifndef NDEBUG
-
-static void Hashtable_dump(const Hashtable* this) {
- fprintf(stderr, "Hashtable %p: size=%zu items=%zu owner=%s\n",
- (const void*)this,
- this->size,
- this->items,
- this->owner ? "yes" : "no");
-
- size_t items = 0;
- for (size_t i = 0; i < this->size; i++) {
- fprintf(stderr, " item %5zu: key = %5u probe = %2zu value = %p\n",
- i,
- this->buckets[i].key,
- this->buckets[i].probe,
- this->buckets[i].value);
-
- if (this->buckets[i].value)
- items++;
- }
-
- fprintf(stderr, "Hashtable %p: items=%zu counted=%zu\n",
- (const void*)this,
- this->items,
- items);
-}
-
-static bool Hashtable_isConsistent(const Hashtable* this) {
- size_t items = 0;
- for (size_t i = 0; i < this->size; i++) {
- if (this->buckets[i].value)
- items++;
- }
- bool res = items == this->items;
- if (!res)
- Hashtable_dump(this);
- return res;
-}
-
-size_t Hashtable_count(const Hashtable* this) {
- size_t items = 0;
- for (size_t i = 0; i < this->size; i++) {
- if (this->buckets[i].value)
- items++;
- }
- assert(items == this->items);
- return items;
-}
-
-#endif /* NDEBUG */
-
-/* https://oeis.org/A014234 */
-static const uint64_t OEISprimes[] = {
- 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191,
- 16381, 32749, 65521, 131071, 262139, 524287, 1048573,
- 2097143, 4194301, 8388593, 16777213, 33554393,
- 67108859, 134217689, 268435399, 536870909, 1073741789,
- 2147483647, 4294967291, 8589934583, 17179869143,
- 34359738337, 68719476731, 137438953447
-};
-
-static size_t nextPrime(size_t n) {
- /* on 32-bit make sure we do not return primes not fitting in size_t */
- for (size_t i = 0; i < ARRAYSIZE(OEISprimes) && OEISprimes[i] < SIZE_MAX; i++) {
- if (n <= OEISprimes[i])
- return OEISprimes[i];
- }
-
- CRT_fatalError("Hashtable: no prime found");
-}
-
-Hashtable* Hashtable_new(size_t size, bool owner) {
- Hashtable* this;
-
- this = xMalloc(sizeof(Hashtable));
- this->items = 0;
- this->size = size ? nextPrime(size) : 13;
- this->buckets = (HashtableItem*) xCalloc(this->size, sizeof(HashtableItem));
- this->owner = owner;
-
- assert(Hashtable_isConsistent(this));
- return this;
-}
-
-void Hashtable_delete(Hashtable* this) {
- Hashtable_clear(this);
-
- free(this->buckets);
- free(this);
-}
-
-void Hashtable_clear(Hashtable* this) {
- assert(Hashtable_isConsistent(this));
-
- if (this->owner)
- for (size_t i = 0; i < this->size; i++)
- free(this->buckets[i].value);
-
- memset(this->buckets, 0, this->size * sizeof(HashtableItem));
- this->items = 0;
-
- assert(Hashtable_isConsistent(this));
-}
-
-static void insert(Hashtable* this, ht_key_t key, void* value) {
- size_t index = key % this->size;
- size_t probe = 0;
-#ifndef NDEBUG
- size_t origIndex = index;
-#endif
-
- for (;;) {
- if (!this->buckets[index].value) {
- this->items++;
- this->buckets[index].key = key;
- this->buckets[index].probe = probe;
- this->buckets[index].value = value;
- return;
- }
-
- if (this->buckets[index].key == key) {
- if (this->owner && this->buckets[index].value != value)
- free(this->buckets[index].value);
- this->buckets[index].value = value;
- return;
- }
-
- /* Robin Hood swap */
- if (probe > this->buckets[index].probe) {
- HashtableItem tmp = this->buckets[index];
-
- this->buckets[index].key = key;
- this->buckets[index].probe = probe;
- this->buckets[index].value = value;
-
- key = tmp.key;
- probe = tmp.probe;
- value = tmp.value;
- }
-
- index = (index + 1) % this->size;
- probe++;
-
- assert(index != origIndex);
- }
-}
-
-void Hashtable_setSize(Hashtable* this, size_t size) {
-
- assert(Hashtable_isConsistent(this));
-
- if (size <= this->items)
- return;
-
- size_t newSize = nextPrime(size);
- if (newSize == this->size)
- return;
-
- HashtableItem* oldBuckets = this->buckets;
- size_t oldSize = this->size;
-
- this->size = newSize;
- this->buckets = (HashtableItem*) xCalloc(this->size, sizeof(HashtableItem));
- this->items = 0;
-
- /* rehash */
- for (size_t i = 0; i < oldSize; i++) {
- if (!oldBuckets[i].value)
- continue;
-
- insert(this, oldBuckets[i].key, oldBuckets[i].value);
- }
-
- free(oldBuckets);
-
- assert(Hashtable_isConsistent(this));
-}
-
-void Hashtable_put(Hashtable* this, ht_key_t key, void* value) {
-
- assert(Hashtable_isConsistent(this));
- assert(this->size > 0);
- assert(value);
-
- /* grow on load-factor > 0.7 */
- if (10 * this->items > 7 * this->size) {
- if (SIZE_MAX / 2 < this->size)
- CRT_fatalError("Hashtable: size overflow");
-
- Hashtable_setSize(this, 2 * this->size);
- }
-
- insert(this, key, value);
-
- assert(Hashtable_isConsistent(this));
- assert(Hashtable_get(this, key) != NULL);
- assert(this->size > this->items);
-}
-
-void* Hashtable_remove(Hashtable* this, ht_key_t key) {
- size_t index = key % this->size;
- size_t probe = 0;
-#ifndef NDEBUG
- size_t origIndex = index;
-#endif
-
- assert(Hashtable_isConsistent(this));
-
- void* res = NULL;
-
- while (this->buckets[index].value) {
- if (this->buckets[index].key == key) {
- if (this->owner) {
- free(this->buckets[index].value);
- } else {
- res = this->buckets[index].value;
- }
-
- size_t next = (index + 1) % this->size;
-
- while (this->buckets[next].value && this->buckets[next].probe > 0) {
- this->buckets[index] = this->buckets[next];
- this->buckets[index].probe -= 1;
-
- index = next;
- next = (index + 1) % this->size;
- }
-
- /* set empty after backward shifting */
- this->buckets[index].value = NULL;
- this->items--;
-
- break;
- }
-
- if (this->buckets[index].probe < probe)
- break;
-
- index = (index + 1) % this->size;
- probe++;
-
- assert(index != origIndex);
- }
-
- assert(Hashtable_isConsistent(this));
- assert(Hashtable_get(this, key) == NULL);
-
- /* shrink on load-factor < 0.125 */
- if (8 * this->items < this->size)
- Hashtable_setSize(this, this->size / 3); /* account for nextPrime rounding up */
-
- return res;
-}
-
-void* Hashtable_get(Hashtable* this, ht_key_t key) {
- size_t index = key % this->size;
- size_t probe = 0;
- void* res = NULL;
-#ifndef NDEBUG
- size_t origIndex = index;
-#endif
-
- assert(Hashtable_isConsistent(this));
-
- while (this->buckets[index].value) {
- if (this->buckets[index].key == key) {
- res = this->buckets[index].value;
- break;
- }
-
- if (this->buckets[index].probe < probe)
- break;
-
- index = (index + 1) != this->size ? (index + 1) : 0;
- probe++;
-
- assert(index != origIndex);
- }
-
- return res;
-}
-
-void Hashtable_foreach(Hashtable* this, Hashtable_PairFunction f, void* userData) {
- assert(Hashtable_isConsistent(this));
- for (size_t i = 0; i < this->size; i++) {
- HashtableItem* walk = &this->buckets[i];
- if (walk->value)
- f(walk->key, walk->value, userData);
- }
- assert(Hashtable_isConsistent(this));
-}