comparison: libpurple/memorypool.c
libpurple/memorypool.c
- changeset 35662
- 33bfffdb9e63
- parent 35653
- b4a35c405e95
- child 35666
- ca4afaddaffa
equal
deleted
inserted
replaced
| 35659:f97feb9a67f2 | 35662:33bfffdb9e63 |
|---|---|
| 28 (G_TYPE_INSTANCE_GET_PRIVATE((obj), PURPLE_TYPE_MEMORY_POOL, PurpleMemoryPoolPrivate)) | 28 (G_TYPE_INSTANCE_GET_PRIVATE((obj), PURPLE_TYPE_MEMORY_POOL, PurpleMemoryPoolPrivate)) |
| 29 #define PURPLE_MEMORY_POOL_BLOCK_PADDING (sizeof(guint64)) | 29 #define PURPLE_MEMORY_POOL_BLOCK_PADDING (sizeof(guint64)) |
| 30 #define PURPLE_MEMORY_POINTER_SHIFT(pointer, value) \ | 30 #define PURPLE_MEMORY_POINTER_SHIFT(pointer, value) \ |
| 31 (gpointer)((guintptr)(pointer) + (value)) | 31 (gpointer)((guintptr)(pointer) + (value)) |
| 32 #define PURPLE_MEMORY_PADDED(pointer, padding) \ | 32 #define PURPLE_MEMORY_PADDED(pointer, padding) \ |
| 33 (gpointer)(((guintptr)(pointer) - 1) % (padding) + 1) | 33 (gpointer)((((guintptr)(pointer) - 1) / (padding) + 1) * padding) |
| 34 | 34 |
| 35 #define PURPLE_MEMORY_POOL_DEFAULT_BLOCK_SIZE 1024 | 35 #define PURPLE_MEMORY_POOL_DEFAULT_BLOCK_SIZE 1024 |
| 36 | 36 |
| 37 typedef struct _PurpleMemoryPoolBlock PurpleMemoryPoolBlock; | 37 typedef struct _PurpleMemoryPoolBlock PurpleMemoryPoolBlock; |
| 38 | 38 |
| 75 * PURPLE_MEMORY_POOL_BLOCK_PADDING, but we guarantee, there is at least | 75 * PURPLE_MEMORY_POOL_BLOCK_PADDING, but we guarantee, there is at least |
| 76 * block_size long block if padded to that value. */ | 76 * block_size long block if padded to that value. */ |
| 77 block->available_ptr = PURPLE_MEMORY_POINTER_SHIFT(block_raw, | 77 block->available_ptr = PURPLE_MEMORY_POINTER_SHIFT(block_raw, |
| 78 sizeof(PurpleMemoryPoolBlock)); | 78 sizeof(PurpleMemoryPoolBlock)); |
| 79 block->end_ptr = PURPLE_MEMORY_POINTER_SHIFT(block_raw, total_size); | 79 block->end_ptr = PURPLE_MEMORY_POINTER_SHIFT(block_raw, total_size); |
| 80 | 80 block->next = NULL; |
| 81 memset(block, 0, sizeof(PurpleMemoryPoolBlock)); | |
| 82 | 81 |
| 83 return block; | 82 return block; |
| 84 } | 83 } |
| 85 | 84 |
| 86 static gpointer | 85 static gpointer |
| 90 PurpleMemoryPoolBlock *blk; | 89 PurpleMemoryPoolBlock *blk; |
| 91 gpointer mem = NULL; | 90 gpointer mem = NULL; |
| 92 | 91 |
| 93 g_return_val_if_fail(priv != NULL, NULL); | 92 g_return_val_if_fail(priv != NULL, NULL); |
| 94 | 93 |
| 94 g_return_val_if_fail(alignment <= PURPLE_MEMORY_POOL_BLOCK_PADDING, NULL); | |
| 95 g_warn_if_fail(alignment >= 1); | 95 g_warn_if_fail(alignment >= 1); |
| 96 if (alignment < 1) | 96 if (alignment < 1) |
| 97 alignment = 1; | 97 alignment = 1; |
| 98 | 98 |
| 99 blk = priv->last_block; | 99 blk = priv->last_block; |
