Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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33 lines
925 B
33 lines
925 B
16 years ago
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define DEFINE_DYNARRAY(name, type) \
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type *name; \
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int name ## _len; \
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int name ## _size;
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#define RESIZE_DYNARRAY(name, desired_len) { \
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int orig_size = name ## _size; \
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while(name ## _size < (desired_len)) \
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name ## _size *= 2; \
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/* don't bother shrinking for now. when/if we do, we'll want to bake in \
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* some kind of hysteresis so that we don't shrink until we've been under \
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* for a while. */ \
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if(name ## _size != orig_size) \
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name = realloc(name, name ## _size * sizeof(*name)); \
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name ## _len = desired_len; \
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}
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#define INIT_DYNARRAY(name, initial_len, initial_size) \
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name ## _len = initial_len; \
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name ## _size = initial_size; \
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name = realloc(NULL, name ## _size * sizeof(*name))
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#define FREE_DYNARRAY(name) \
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free(name);
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#define DYNARRAY_GET_TOP(name) \
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(&name[name ## _len - 1])
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