Pointer as bool (libsdl-org#7214)

This commit is contained in:
Sylvain
2023-11-09 22:29:15 +01:00
committed by Sam Lantinga
parent 23db971681
commit d8600f717e
371 changed files with 2448 additions and 2442 deletions

View File

@@ -53,13 +53,13 @@ SDL_HashTable *SDL_CreateHashTable(void *data, const Uint32 num_buckets, const S
}
table = (SDL_HashTable *) SDL_calloc(1, sizeof (SDL_HashTable));
if (table == NULL) {
if (!table) {
SDL_OutOfMemory();
return NULL;
}
table->table = (SDL_HashItem **) SDL_calloc(num_buckets, sizeof (SDL_HashItem *));
if (table->table == NULL) {
if (!table->table) {
SDL_free(table);
SDL_OutOfMemory();
return NULL;
@@ -91,7 +91,7 @@ SDL_bool SDL_InsertIntoHashTable(SDL_HashTable *table, const void *key, const vo
// !!! FIXME: grow and rehash table if it gets too saturated.
item = (SDL_HashItem *) SDL_malloc(sizeof (SDL_HashItem));
if (item == NULL) {
if (!item) {
SDL_OutOfMemory();
return SDL_FALSE;
}
@@ -110,9 +110,9 @@ SDL_bool SDL_FindInHashTable(const SDL_HashTable *table, const void *key, const
void *data = table->data;
SDL_HashItem *i;
for (i = table->table[hash]; i != NULL; i = i->next) {
for (i = table->table[hash]; i; i = i->next) {
if (table->keymatch(key, i->key, data)) {
if (_value != NULL) {
if (_value) {
*_value = i->value;
}
return SDL_TRUE;
@@ -129,9 +129,9 @@ SDL_bool SDL_RemoveFromHashTable(SDL_HashTable *table, const void *key)
SDL_HashItem *prev = NULL;
void *data = table->data;
for (item = table->table[hash]; item != NULL; item = item->next) {
for (item = table->table[hash]; item; item = item->next) {
if (table->keymatch(key, item->key, data)) {
if (prev != NULL) {
if (prev) {
prev->next = item->next;
} else {
table->table[hash] = item->next;
@@ -152,7 +152,7 @@ SDL_bool SDL_IterateHashTableKey(const SDL_HashTable *table, const void *key, co
{
SDL_HashItem *item = *iter ? ((SDL_HashItem *) *iter)->next : table->table[calc_hash(table, key)];
while (item != NULL) {
while (item) {
if (table->keymatch(key, item->key, table->data)) {
*_value = item->value;
*iter = item;
@@ -172,10 +172,10 @@ SDL_bool SDL_IterateHashTable(const SDL_HashTable *table, const void **_key, con
SDL_HashItem *item = (SDL_HashItem *) *iter;
Uint32 idx = 0;
if (item != NULL) {
if (item) {
const SDL_HashItem *orig = item;
item = item->next;
if (item == NULL) {
if (!item) {
idx = calc_hash(table, orig->key) + 1; // !!! FIXME: we probably shouldn't rehash each time.
}
}
@@ -184,7 +184,7 @@ SDL_bool SDL_IterateHashTable(const SDL_HashTable *table, const void **_key, con
item = table->table[idx++]; // skip empty buckets...
}
if (item == NULL) { // no more matches?
if (!item) { // no more matches?
*_key = NULL;
*iter = NULL;
return SDL_FALSE;
@@ -199,12 +199,12 @@ SDL_bool SDL_IterateHashTable(const SDL_HashTable *table, const void **_key, con
SDL_bool SDL_HashTableEmpty(SDL_HashTable *table)
{
if (table != NULL) {
if (table) {
Uint32 i;
for (i = 0; i < table->table_len; i++) {
SDL_HashItem *item = table->table[i];
if (item != NULL) {
if (item) {
return SDL_FALSE;
}
}
@@ -214,13 +214,13 @@ SDL_bool SDL_HashTableEmpty(SDL_HashTable *table)
void SDL_DestroyHashTable(SDL_HashTable *table)
{
if (table != NULL) {
if (table) {
void *data = table->data;
Uint32 i;
for (i = 0; i < table->table_len; i++) {
SDL_HashItem *item = table->table[i];
while (item != NULL) {
while (item) {
SDL_HashItem *next = item->next;
table->nuke(item->key, item->value, data);
SDL_free(item);