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| author |  Tom Willemse | 2021-09-07 22:34:21 -0700 |
|---|---|---|
| committer | Tom Willemse | 2021-09-07 22:34:32 -0700 |
| commit | 60e752c0c5ae3798105919a43ee194e1e897d429 (patch) | |
| tree | e364b168776c5e800e5e17c6812b6217a725c2f8 /clox/src/memory.h | |
| parent | c1cbc359e9f1c2451e37d42fc6d2df1aae19f3ec (diff) | |
| download | crafting-interpreters-60e752c0c5ae3798105919a43ee194e1e897d429.tar.gz crafting-interpreters-60e752c0c5ae3798105919a43ee194e1e897d429.zip | |
Chapter 19.3
Diffstat (limited to 'clox/src/memory.h')
| -rw-r--r-- | clox/src/memory.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/clox/src/memory.h b/clox/src/memory.h index 3c4bdb7..a810bd7 100644 --- a/clox/src/memory.h +++ b/clox/src/memory.h @@ -3,16 +3,18 @@ #include "common.h" -#define GROW_CAPACITY(capacity) \ - ((capacity) < 8 ? 8 : (capacity) * 2) +#define ALLOCATE(type, count) \ + (type *)reallocate(NULL, 0, sizeof(type) * (count)) -#define GROW_ARRAY(type, pointer, oldCount, newCount) \ - (type*)reallocate(pointer, sizeof(type) * (oldCount), \ - sizeof(type) * (newCount)) +#define GROW_CAPACITY(capacity) ((capacity) < 8 ? 8 : (capacity)*2) -#define FREE_ARRAY(type, pointer, oldCount) \ +#define GROW_ARRAY(type, pointer, oldCount, newCount) \ + (type *)reallocate(pointer, sizeof(type) * (oldCount), \ + sizeof(type) * (newCount)) + +#define FREE_ARRAY(type, pointer, oldCount) \ reallocate(pointer, sizeof(type) * (oldCount), 0) -void* reallocate(void* pointer, size_t oldSize, size_t newSize); +void *reallocate(void *pointer, size_t oldSize, size_t newSize); #endif |