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Arena bytes alloced #4

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Arena bytes alloced #4

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4a27384
Suggesstion for counting how much memory was used in the arena allocator
rfmineguy Jun 3, 2024
6ed3a0c
More accurate counting using sizeof(uintptr_t) rather than hardcoded 8.
rfmineguy Jun 3, 2024
9d7b86c
Removed test #define ARENA_IMPLEMENTATION to get ready for pull request
rfmineguy Jun 3, 2024
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9 changes: 9 additions & 0 deletions arena.h
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ void *arena_memdup(Arena *a, void *data, size_t size);
char *arena_sprintf(Arena *a, const char *format, ...);
#endif // ARENA_NOSTDIO

size_t arena_bytes(Arena *a);
void arena_reset(Arena *a);
void arena_free(Arena *a);

Expand Down Expand Up @@ -278,6 +279,14 @@ char *arena_sprintf(Arena *a, const char *format, ...)
}
#endif // ARENA_NOSTDIO

size_t arena_bytes(Arena *a) {
size_t bytes_total = 0;
for (Region* r = a->begin; r != NULL; r = r->next) {
bytes_total += r->count * sizeof(uintptr_t);
}
return bytes_total;
}

void arena_reset(Arena *a)
{
for (Region *r = a->begin; r != NULL; r = r->next) {
Expand Down