| 4 | #include <commonlib/mem_pool.h> |
| 5 | |
| 6 | void *mem_pool_alloc(struct mem_pool *mp, size_t sz) |
| 7 | { |
| 8 | void *p; |
| 9 | |
| 10 | if (mp->alignment == 0) |
| 11 | return NULL; |
| 12 | |
| 13 | /* We assume that mp->buf started mp->alignment aligned */ |
| 14 | sz = ALIGN_UP(sz, mp->alignment); |
| 15 | |
| 16 | /* Determine if any space available. */ |
| 17 | if ((mp->size - mp->free_offset) < sz) |
| 18 | return NULL; |
| 19 | |
| 20 | p = &mp->buf[mp->free_offset]; |
| 21 | |
| 22 | mp->free_offset += sz; |
| 23 | mp->second_to_last_alloc = mp->last_alloc; |
| 24 | mp->last_alloc = p; |
| 25 | |
| 26 | return p; |
| 27 | } |
| 28 | |
| 29 | void mem_pool_free(struct mem_pool *mp, void *p) |
| 30 | { |
no outgoing calls
no test coverage detected