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dbghelp: Speed up pool_alloc. Patch by Eric Pouech.

This commit is contained in:
Markus Amsler 2007-05-15 02:05:05 +02:00 committed by Alexandre Julliard
parent f94127f2ca
commit a2968c8fab
1 changed files with 7 additions and 9 deletions
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14
dlls/dbghelp/storage.c
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@ -73,19 +73,18 @@ void pool_destroy(struct pool* pool)
void* pool_alloc(struct pool* pool, unsigned len) void* pool_alloc(struct pool* pool, unsigned len)
{ {
struct pool_arena** parena;
struct pool_arena* arena; struct pool_arena* arena;
void* ret; void* ret;
len = (len + 3) & ~3; /* round up size on DWORD boundary */ len = (len + 3) & ~3; /* round up size on DWORD boundary */
assert(sizeof(struct pool_arena) + len <= pool->arena_size && len); assert(sizeof(struct pool_arena) + len <= pool->arena_size && len);
for (parena = &pool->first; *parena; parena = &(*parena)->next) for (arena = pool->first; arena; arena = arena->next)
{ {
if ((char*)(*parena) + pool->arena_size - (*parena)->current >= len) if ((char*)arena + pool->arena_size - arena->current >= len)
{ {
ret = (*parena)->current; ret = arena->current;
(*parena)->current += len; arena->current += len;
return ret; return ret;
} }
} }
@ -93,10 +92,9 @@ void* pool_alloc(struct pool* pool, unsigned len)
arena = HeapAlloc(GetProcessHeap(), 0, pool->arena_size); arena = HeapAlloc(GetProcessHeap(), 0, pool->arena_size);
if (!arena) {FIXME("OOM\n");return NULL;} if (!arena) {FIXME("OOM\n");return NULL;}
*parena = arena;
ret = (char*)arena + sizeof(*arena); ret = (char*)arena + sizeof(*arena);
arena->next = NULL; arena->next = pool->first;
pool->first = arena;
arena->current = (char*)ret + len; arena->current = (char*)ret + len;
return ret; return ret;
} }