55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#ifdef DEBUG
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#define malloc(s) (printf("%s:%d:%s: malloc(%lu)\n",\
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__FILE__, __LINE__, __func__, (s)), malloc((s)));
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#define free(p) (printf("%s:%d:%s: free(%p)\n",\
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__FILE__, __LINE__, __func__, (p)), free((p)));
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#endif // DEBUG
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#define ARENA_IMPLEMENTATION
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#include "arena.h"
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void arena_print(Arena arena)
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{
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int i = 0;
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for (Arena_Region *cur = arena.head; cur != NULL; cur = cur->next) {
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printf("Arena_Region #%d:\n", ++i);
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printf(" count = %ld\n", cur->count);
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printf(" capacity = %ld\n", cur->capacity);
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printf(" next = %p\n", cur->next);
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printf(" data = %p\n", cur->data);
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}
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}
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int main(void)
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{
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printf("struct Arena_Region {\n");
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printf(" Arena_Region *next; (%zu)\n", offsetof(struct Arena_Region, next));
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printf(" size_t count; (%zu)\n", offsetof(struct Arena_Region, count));
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printf(" size_t capacity; (%zu)\n", offsetof(struct Arena_Region, capacity));
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printf(" uint8_t data[]; (%zu)\n", offsetof(struct Arena_Region, data));
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printf("};\n");
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printf("Alignment: %zu\n", ARENA_ALIGNMENT);
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printf("================================================================\n");
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Arena a = {0};
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arena_alloc(&a, 4012);
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arena_alloc(&a, 100);
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arena_alloc(&a, 2301);
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arena_alloc(&a, 4015);
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arena_alloc(&a, 10000);
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arena_reset(&a);
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arena_alloc(&a, 1000);
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arena_print(a);
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arena_free(&a);
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return 0;
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}
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