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https://github.com/DreamMaoMao/maomaowm.git
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31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
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#ifndef DYNARR_H__
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#define DYNARR_H__
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#define DYNARR_DEF(t) \
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struct { \
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t *arr; \
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size_t len, cap, size; \
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}
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#define DYNARR_INIT(p) \
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((p)->arr = reallocarray((p)->arr, ((p)->cap = 1), \
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((p)->size = sizeof(((p)->arr[0])))))
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#define DYNARR_FINI(p) free((p)->arr)
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#define DYNARR_PUSH(p, v) \
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do { \
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if ((p)->len >= (p)->cap) { \
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while ((p)->len >= ((p)->cap *= 2)) \
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; \
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(p)->arr = reallocarray((p)->arr, (p)->cap, (p)->size); \
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} \
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(p)->arr[(p)->len++] = (v); \
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} while (0)
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#define DYNARR_POP(p) ((p)->arr[(p)->len--])
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#define DYNARR_CLR(p) ((p)->len = 0)
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#endif
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