| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef BLOCK_H | ||
| 2 | #define BLOCK_H | ||
| 3 | |||
| 4 | #include <stddef.h> | ||
| 5 | #include "util/list.h" | ||
| 6 | #include "util/macros.h" | ||
| 7 | |||
| 8 | // Blocks always contain whole lines. | ||
| 9 | // There's one zero-sized block for an empty file. | ||
| 10 | // Otherwise zero-sized blocks are forbidden. | ||
| 11 | typedef struct { | ||
| 12 | ListHead node; | ||
| 13 | unsigned char NONSTRING *data; | ||
| 14 | size_t size; | ||
| 15 | size_t alloc; | ||
| 16 | size_t nl; | ||
| 17 | } Block; | ||
| 18 | |||
| 19 | #define block_for_each(block_, list_head_) \ | ||
| 20 | for ( \ | ||
| 21 | block_ = BLOCK((list_head_)->next); \ | ||
| 22 | &block_->node != (list_head_); \ | ||
| 23 | block_ = BLOCK(block_->node.next) \ | ||
| 24 | ) | ||
| 25 | |||
| 26 | // NOLINTNEXTLINE(readability-identifier-naming) | ||
| 27 | 1650 | static inline Block *BLOCK(ListHead *item) | |
| 28 | { | ||
| 29 | 1650 | static_assert(offsetof(Block, node) == 0); | |
| 30 | 1650 | return (Block*)item; | |
| 31 | } | ||
| 32 | |||
| 33 | Block *block_new(size_t alloc) RETURNS_NONNULL; | ||
| 34 | void block_grow(Block *blk, size_t alloc) NONNULL_ARGS; | ||
| 35 | void block_free(Block *blk) NONNULL_ARGS; | ||
| 36 | |||
| 37 | #endif | ||
| 38 |