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pool.c: small refactoring regarding local variable declarations

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2023-10-04 23:35:42 +09:00
parent 097681b4d4
commit 42a621b42e
1 changed files with 6 additions and 21 deletions
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src/pool.c
+6 -21
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@@ -69,7 +69,6 @@ mrb_pool_open(mrb_state *mrb)
pool->mrb = mrb;
pool->pages = NULL;
}
return pool;
}
@@ -108,19 +107,16 @@ MRB_API void*
mrb_pool_alloc(mrb_pool *pool, size_t len)
{
struct mrb_pool_page *page;
size_t n;
if (!pool) return NULL;
len += ALIGN_PADDING(len);
page = pool->pages;
while (page) {
for (page = pool->pages; page; page = page->next) {
if (page->offset + len <= page->len) {
n = page->offset;
size_t n = page->offset;
page->offset += len;
page->last = (char*)page->page+n;
return page->last;
}
page = page->next;
}
page = page_alloc(pool, len);
if (!page) return NULL;
@@ -135,12 +131,9 @@ mrb_pool_alloc(mrb_pool *pool, size_t len)
MRB_API mrb_bool
mrb_pool_can_realloc(mrb_pool *pool, void *p, size_t len)
{
struct mrb_pool_page *page;
if (!pool) return FALSE;
len += ALIGN_PADDING(len);
page = pool->pages;
while (page) {
for (struct mrb_pool_page *page = pool->pages; page; page = page->next) {
if (page->last == p) {
size_t beg;
@@ -148,7 +141,6 @@ mrb_pool_can_realloc(mrb_pool *pool, void *p, size_t len)
if (beg + len > page->len) return FALSE;
return TRUE;
}
page = page->next;
}
return FALSE;
}
@@ -156,18 +148,12 @@ mrb_pool_can_realloc(mrb_pool *pool, void *p, size_t len)
MRB_API void*
mrb_pool_realloc(mrb_pool *pool, void *p, size_t oldlen, size_t newlen)
{
struct mrb_pool_page *page;
void *np;
if (!pool) return NULL;
oldlen += ALIGN_PADDING(oldlen);
newlen += ALIGN_PADDING(newlen);
page = pool->pages;
while (page) {
for (struct mrb_pool_page *page = pool->pages; page; page = page->next) {
if (page->last == p) {
size_t beg;
beg = (char*)p - page->page;
size_t beg = (char*)p - page->page;
if (beg + oldlen != page->offset) break;
if (beg + newlen > page->len) {
page->offset = beg;
@@ -176,9 +162,8 @@ mrb_pool_realloc(mrb_pool *pool, void *p, size_t oldlen, size_t newlen)
page->offset = beg + newlen;
return p;
}
page = page->next;
}
np = mrb_pool_alloc(pool, newlen);
void *np = mrb_pool_alloc(pool, newlen);
if (np == NULL) {
return NULL;
}