Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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46 lines
1.4 KiB
46 lines
1.4 KiB
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#ifndef UPB_DECODE_INT_H_ |
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#define UPB_DECODE_INT_H_ |
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#include "upb/upb.int.h" |
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/* Must be last. */ |
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#include "upb/port_def.inc" |
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typedef struct upb_decstate { |
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const char *limit; /* End of delimited region or end of buffer. */ |
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const char *fastend; /* The end of the entire buffer - 16 */ |
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const char *fastlimit; /* UPB_MIN(limit, fastend) */ |
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upb_arena arena; |
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int depth; |
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uint32_t end_group; /* Set to field number of END_GROUP tag, if any. */ |
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jmp_buf err; |
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} upb_decstate; |
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const char *fastdecode_dispatch(upb_decstate *d, const char *ptr, upb_msg *msg, |
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const upb_msglayout *table, uint64_t hasbits); |
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const char *fastdecode_err(upb_decstate *d); |
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UPB_INLINE |
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upb_msg *decode_newmsg_ceil(upb_decstate *d, const upb_msglayout *l, |
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int msg_ceil_bytes) { |
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size_t size = l->size + sizeof(upb_msg_internal); |
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char *msg_data; |
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if (UPB_LIKELY(msg_ceil_bytes > 0 && _upb_arenahas(&d->arena, msg_ceil_bytes))) { |
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UPB_ASSERT(size <= (size_t)msg_ceil_bytes); |
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msg_data = d->arena.head.ptr; |
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d->arena.head.ptr += size; |
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UPB_UNPOISON_MEMORY_REGION(msg_data, msg_ceil_bytes); |
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memset(msg_data, 0, msg_ceil_bytes); |
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UPB_POISON_MEMORY_REGION(msg_data + size, msg_ceil_bytes - size); |
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} else { |
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msg_data = (char*)upb_arena_malloc(&d->arena, size); |
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memset(msg_data, 0, size); |
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} |
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return msg_data + sizeof(upb_msg_internal); |
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} |
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#include "upb/port_undef.inc" |
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#endif /* UPB_DECODE_INT_H_ */
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