#3796

Committed 31 Mar 2025 10:39AM UTC coverage: 30.372% (-7.1%) from 37.443%

Build # #3796

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push

travis-ci

Committed by

happyguoxy

Commit Message

test:add test cases

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30.3

/include/util/tbuffer.inc

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "taoserror.h"
#include "tcoding.h"
#include "tutil.h"

struct SBuffer {
  uint32_t size;
  uint32_t capacity;
  void    *data;
};

struct SBufferReader {
  uint32_t offset;
  SBuffer *buffer;
};

// SBuffer
static FORCE_INLINE void tBufferInit(SBuffer *buffer) {
  buffer->size = 0;
  buffer->capacity = 0;
  buffer->data = NULL;
}

static FORCE_INLINE void tBufferDestroy(SBuffer *buffer) {
  buffer->size = 0;
  buffer->capacity = 0;
  if (buffer->data) {
    taosMemoryFree(buffer->data);
    buffer->data = NULL;
  }
}

static FORCE_INLINE void tBufferClear(SBuffer *buffer) { buffer->size = 0; }

static FORCE_INLINE int32_t tBufferEnsureCapacity(SBuffer *buffer, uint32_t capacity) {
  if (buffer->capacity < capacity) {
    uint32_t newCapacity = (buffer->capacity > 0) ? (buffer->capacity << 1) : 1024;
    while (newCapacity < capacity) {
      newCapacity <<= 1;
    }
    void *newData = taosMemoryRealloc(buffer->data, newCapacity);
    if (newData == NULL) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    buffer->data = newData;
    buffer->capacity = newCapacity;
  }
  return 0;
}

static FORCE_INLINE int32_t tBufferPut(SBuffer *buffer, const void *data, uint32_t size) {
  TAOS_CHECK_RETURN(tBufferEnsureCapacity(buffer, buffer->size + size));
  memcpy((char *)buffer->data + buffer->size, data, size);
  buffer->size += size;
  return 0;
}

static int32_t tBufferPutAt(SBuffer *buffer, uint32_t offset, const void *data, uint32_t size) {
  if (offset + size > buffer->size) {
    return TSDB_CODE_OUT_OF_RANGE;
  }
  memcpy((char *)buffer->data + offset, data, size);
  return 0;
}

static FORCE_INLINE int32_t tBufferPutI8(SBuffer *buffer, int8_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutI16(SBuffer *buffer, int16_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutI32(SBuffer *buffer, int32_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutI64(SBuffer *buffer, int64_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutU8(SBuffer *buffer, uint8_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutU16(SBuffer *buffer, uint16_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutU32(SBuffer *buffer, uint32_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutU64(SBuffer *buffer, uint64_t value) {
  return tBufferPut(buffer, &value, sizeof(value));
}

static FORCE_INLINE int32_t tBufferPutU16v(SBuffer *buffer, uint16_t value) { return tBufferPutU64v(buffer, value); }

static FORCE_INLINE int32_t tBufferPutU32v(SBuffer *buffer, uint32_t value) { return tBufferPutU64v(buffer, value); }

static FORCE_INLINE int32_t tBufferPutU64v(SBuffer *buffer, uint64_t value) {
  while (value >= 0x80) {
    TAOS_CHECK_RETURN(tBufferPutU8(buffer, (value & 0x7F) | 0x80));
    value >>= 7;
  }
  return tBufferPutU8(buffer, value);
}

static FORCE_INLINE int32_t tBufferPutI16v(SBuffer *buffer, int16_t value) {
  return tBufferPutU64v(buffer, ZIGZAGE(int16_t, value));
}

static FORCE_INLINE int32_t tBufferPutI32v(SBuffer *buffer, int32_t value) {
  return tBufferPutU64v(buffer, ZIGZAGE(int32_t, value));
}

static FORCE_INLINE int32_t tBufferPutI64v(SBuffer *buffer, int64_t value) {
  return tBufferPutU64v(buffer, ZIGZAGE(int64_t, value));
}

static FORCE_INLINE int32_t tBufferPutBinary(SBuffer *buffer, const void *data, uint32_t size) {
  TAOS_CHECK_RETURN(tBufferPutU32v(buffer, size));
  return tBufferPut(buffer, data, size);
}

static FORCE_INLINE int32_t tBufferPutCStr(SBuffer *buffer, const char *str) {
  return tBufferPutBinary(buffer, str, str ? strlen(str) + 1 : 0);
}

static FORCE_INLINE int32_t tBufferPutF32(SBuffer *buffer, float value) {
  union {
    float    f;
    uint32_t u;
  } u;
  u.f = value;
  return tBufferPutU32(buffer, u.u);
}

static FORCE_INLINE int32_t tBufferPutF64(SBuffer *buffer, double value) {
  union {
    double   f;
    uint64_t u;
  } u;
  u.f = value;
  return tBufferPutU64(buffer, u.u);
}

// reader
// SBufferReader
static int32_t tBufferReaderInit(SBufferReader *reader, uint32_t offset, SBuffer *buffer) {
  reader->offset = offset;
  reader->buffer = buffer;
  return 0;
}

static FORCE_INLINE int32_t tBufferGet(SBufferReader *reader, uint32_t size, void *data) {
  if (reader->offset + size > reader->buffer->size) {
    return TSDB_CODE_OUT_OF_RANGE;
  }
  if (data) {
    memcpy(data, BR_PTR(reader), size);
  }
  reader->offset += size;
  return 0;
}

static int32_t tBufferGetI8(SBufferReader *reader, int8_t *value) { return tBufferGet(reader, sizeof(*value), value); }

static int32_t tBufferGetI16(SBufferReader *reader, int16_t *value) {
  return tBufferGet(reader, sizeof(*value), value);
}

static int32_t tBufferGetI32(SBufferReader *reader, int32_t *value) {
  if (reader->offset + sizeof(int32_t) > reader->buffer->size) {
    return TSDB_CODE_OUT_OF_RANGE;
  }
  if (value) {
    *value = *(int32_t*)BR_PTR(reader);
  }
  reader->offset += sizeof(int32_t);
  return 0;
}

static int32_t tBufferGetI64(SBufferReader *reader, int64_t *value) {
  if (reader->offset + sizeof(int64_t) > reader->buffer->size) {
    return TSDB_CODE_OUT_OF_RANGE;
  }
  if (value) {
    *value = *(int64_t*)BR_PTR(reader);
  }
  reader->offset += sizeof(int64_t);
  return 0;
}

static int32_t tBufferGetU8(SBufferReader *reader, uint8_t *value) { return tBufferGet(reader, sizeof(*value), value); }

static int32_t tBufferGetU16(SBufferReader *reader, uint16_t *value) {
  return tBufferGet(reader, sizeof(*value), value);
}

static int32_t tBufferGetU32(SBufferReader *reader, uint32_t *value) {
  return tBufferGet(reader, sizeof(*value), value);
}

static int32_t tBufferGetU64(SBufferReader *reader, uint64_t *value) {
  return tBufferGet(reader, sizeof(*value), value);
}

static int32_t tBufferGetU64v(SBufferReader *reader, uint64_t *value) {
  uint8_t  byte;
  int32_t  code;
  uint64_t u64 = 0;

  for (int32_t i = 0;; i++) {
    code = tBufferGetU8(reader, &byte);
    if (code) return code;

    u64 |= (((uint64_t)(byte & 0x7F)) << (i * 7));

    if (byte < 0x80) {
      break;
    }
  }

  if (value) {
    *value = u64;
  }

  return 0;
}

static int32_t tBufferGetU16v(SBufferReader *reader, uint16_t *value) {
  uint64_t u64;
  int32_t  code = tBufferGetU64v(reader, &u64);
  if (code) return code;
  if (value) {
    *value = (uint16_t)u64;
  }
  return 0;
}

static int32_t tBufferGetU32v(SBufferReader *reader, uint32_t *value) {
  uint64_t u64;
  int32_t  code = tBufferGetU64v(reader, &u64);
  if (code) return code;
  if (value) {
    *value = (uint32_t)u64;
  }
  return 0;
}

static int32_t tBufferGetI16v(SBufferReader *reader, int16_t *value) {
  uint16_t u16;
  int32_t  code = tBufferGetU16v(reader, &u16);
  if (code) return code;
  if (value) {
    *value = ZIGZAGD(int16_t, u16);
  }
  return 0;
}

static int32_t tBufferGetI32v(SBufferReader *reader, int32_t *value) {
  uint32_t u32;
  int32_t  code = tBufferGetU32v(reader, &u32);
  if (code) return code;
  if (value) {
    *value = ZIGZAGD(int32_t, u32);
  }
  return 0;
}

static int32_t tBufferGetI64v(SBufferReader *reader, int64_t *value) {
  uint64_t u64;
  int32_t  code = tBufferGetU64v(reader, &u64);
  if (code) return code;
  if (value) {
    *value = ZIGZAGD(int64_t, u64);
  }
  return 0;
}

static int32_t tBufferGetBinary(SBufferReader *reader, const void **data, uint32_t *size) {
  uint32_t tmpSize;
  int32_t  code;

  // size
  code = tBufferGetU32v(reader, &tmpSize);
  if (code) return code;
  if (size) {
    *size = tmpSize;
  }

  // data
  if (tmpSize > 0) {
    if (reader->offset + tmpSize > reader->buffer->size) {
      return TSDB_CODE_OUT_OF_RANGE;
    }
    if (data) {
      *data = BR_PTR(reader);
    }
    reader->offset += tmpSize;
  } else if (data) {
    *data = NULL;
  }

  return 0;
}

static int32_t tBufferGetCStr(SBufferReader *reader, const char **str) {
  return tBufferGetBinary(reader, (const void **)str, NULL);
}

static int32_t tBufferGetF32(SBufferReader *reader, float *value) {
  union {
    float    f;
    uint32_t u;
  } u;
  TAOS_CHECK_RETURN(tBufferGetU32(reader, &u.u));
  if (value) {
    *value = u.f;
  }
  return 0;
}

static int32_t tBufferGetF64(SBufferReader *reader, double *value) {
  union {
    double   f;
    uint64_t u;
  } u;
  TAOS_CHECK_RETURN(tBufferGetU64(reader, &u.u));
  if (value) {
    *value = u.f;
  }
  return 0;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#include "taoserror.h"
17	#include "tcoding.h"
18	#include "tutil.h"
19
20	struct SBuffer {
21	uint32_t size;
22	uint32_t capacity;
23	void *data;
24	};
25
26	struct SBufferReader {
27	uint32_t offset;
28	SBuffer *buffer;
29	};
30
31	// SBuffer
32	static FORCE_INLINE void tBufferInit(SBuffer *buffer) {
33	buffer->size = 0;	23✔
34	buffer->capacity = 0;	23✔
35	buffer->data = NULL;	23✔
36	}	23✔
37
38	static FORCE_INLINE void tBufferDestroy(SBuffer *buffer) {
39	buffer->size = 0;	61✔
40	buffer->capacity = 0;	61✔
41	if (buffer->data) {	61!
42	taosMemoryFree(buffer->data);	11!
43	buffer->data = NULL;	11✔
44	}
45	}	61✔
46
47	static FORCE_INLINE void tBufferClear(SBuffer *buffer) { buffer->size = 0; }	17✔
48
49	static FORCE_INLINE int32_t tBufferEnsureCapacity(SBuffer *buffer, uint32_t capacity) {
50	if (buffer->capacity < capacity) {	788!
51	uint32_t newCapacity = (buffer->capacity > 0) ? (buffer->capacity << 1) : 1024;	11!
52	while (newCapacity < capacity) {	11!
53	newCapacity <<= 1;	×
54	}
55	void *newData = taosMemoryRealloc(buffer->data, newCapacity);	11!
56	if (newData == NULL) {	11!
57	return TSDB_CODE_OUT_OF_MEMORY;	×
58	}
59	buffer->data = newData;	11✔
60	buffer->capacity = newCapacity;	11✔
61	}
62	return 0;	788✔
63	}
64
65	static FORCE_INLINE int32_t tBufferPut(SBuffer buffer, const void data, uint32_t size) {
66	TAOS_CHECK_RETURN(tBufferEnsureCapacity(buffer, buffer->size + size));	803!
67	memcpy((char *)buffer->data + buffer->size, data, size);	758✔
68	buffer->size += size;	758✔
69	return 0;	758✔
70	}
71
72	static int32_t tBufferPutAt(SBuffer buffer, uint32_t offset, const void data, uint32_t size) {	32✔
73	if (offset + size > buffer->size) {	32!
74	return TSDB_CODE_OUT_OF_RANGE;	×
75	}
76	memcpy((char *)buffer->data + offset, data, size);	32✔
77	return 0;	32✔
78	}
79
80	static FORCE_INLINE int32_t tBufferPutI8(SBuffer *buffer, int8_t value) {
81	return tBufferPut(buffer, &value, sizeof(value));	20✔
82	}
83
84	static FORCE_INLINE int32_t tBufferPutI16(SBuffer *buffer, int16_t value) {
85	return tBufferPut(buffer, &value, sizeof(value));	1✔
86	}
87
88	static FORCE_INLINE int32_t tBufferPutI32(SBuffer *buffer, int32_t value) {
89	return tBufferPut(buffer, &value, sizeof(value));	1✔
90	}
91
92	static FORCE_INLINE int32_t tBufferPutI64(SBuffer *buffer, int64_t value) {
93	return tBufferPut(buffer, &value, sizeof(value));	8✔
94	}
95
96	static FORCE_INLINE int32_t tBufferPutU8(SBuffer *buffer, uint8_t value) {
97	return tBufferPut(buffer, &value, sizeof(value));	712✔
98	}
99
100	static FORCE_INLINE int32_t tBufferPutU16(SBuffer *buffer, uint16_t value) {
101	return tBufferPut(buffer, &value, sizeof(value));	1✔
102	}
103
104	static FORCE_INLINE int32_t tBufferPutU32(SBuffer *buffer, uint32_t value) {
105	return tBufferPut(buffer, &value, sizeof(value));	10✔
106	}
107
108	static FORCE_INLINE int32_t tBufferPutU64(SBuffer *buffer, uint64_t value) {
109	return tBufferPut(buffer, &value, sizeof(value));	2✔
110	}
111
112	static FORCE_INLINE int32_t tBufferPutU16v(SBuffer *buffer, uint16_t value) { return tBufferPutU64v(buffer, value); }	8✔
113
114	static FORCE_INLINE int32_t tBufferPutU32v(SBuffer *buffer, uint32_t value) { return tBufferPutU64v(buffer, value); }	17✔
115
116	static FORCE_INLINE int32_t tBufferPutU64v(SBuffer *buffer, uint64_t value) {
117	while (value >= 0x80) {	711!
118	TAOS_CHECK_RETURN(tBufferPutU8(buffer, (value & 0x7F) \| 0x80));	1,058!
119	value >>= 7;	529✔
120	}
121	return tBufferPutU8(buffer, value);	364!
122	}
123
124	static FORCE_INLINE int32_t tBufferPutI16v(SBuffer *buffer, int16_t value) {
125	return tBufferPutU64v(buffer, ZIGZAGE(int16_t, value));	46✔
126	}
127
128	static FORCE_INLINE int32_t tBufferPutI32v(SBuffer *buffer, int32_t value) {
129	return tBufferPutU64v(buffer, ZIGZAGE(int32_t, value));	106✔
130	}
131
132	static FORCE_INLINE int32_t tBufferPutI64v(SBuffer *buffer, int64_t value) {
133	return tBufferPutU64v(buffer, ZIGZAGE(int64_t, value));	104✔
134	}
135
136	static FORCE_INLINE int32_t tBufferPutBinary(SBuffer buffer, const void data, uint32_t size) {
137	TAOS_CHECK_RETURN(tBufferPutU32v(buffer, size));	2!
138	return tBufferPut(buffer, data, size);	2✔
139	}
140
141	static FORCE_INLINE int32_t tBufferPutCStr(SBuffer buffer, const char str) {
142	return tBufferPutBinary(buffer, str, str ? strlen(str) + 1 : 0);	2!
143	}
144
145	static FORCE_INLINE int32_t tBufferPutF32(SBuffer *buffer, float value) {
146	union {
147	float f;
148	uint32_t u;
149	} u;
150	u.f = value;	1✔
151	return tBufferPutU32(buffer, u.u);	3!
152	}
153
154	static FORCE_INLINE int32_t tBufferPutF64(SBuffer *buffer, double value) {
155	union {
156	double f;
157	uint64_t u;
158	} u;
159	u.f = value;	1✔
160	return tBufferPutU64(buffer, u.u);	3!
161	}
162
163	// reader
164	// SBufferReader
165	static int32_t tBufferReaderInit(SBufferReader reader, uint32_t offset, SBuffer buffer) {	1✔
166	reader->offset = offset;	1✔
167	reader->buffer = buffer;	1✔
168	return 0;	1✔
169	}
170
171	static FORCE_INLINE int32_t tBufferGet(SBufferReader reader, uint32_t size, void data) {
172	if (reader->offset + size > reader->buffer->size) {	1!
173	return TSDB_CODE_OUT_OF_RANGE;	×
174	}
175	if (data) {	681!
176	memcpy(data, BR_PTR(reader), size);	681✔
177	}
178	reader->offset += size;	681✔
179	return 0;	681✔
180	}
181
182	static int32_t tBufferGetI8(SBufferReader reader, int8_t value) { return tBufferGet(reader, sizeof(*value), value); }	2!
183
184	static int32_t tBufferGetI16(SBufferReader reader, int16_t value) {	1!
185	return tBufferGet(reader, sizeof(*value), value);	1✔
186	}
187
188	static int32_t tBufferGetI32(SBufferReader reader, int32_t value) {	1✔
189	if (reader->offset + sizeof(int32_t) > reader->buffer->size) {	1!
190	return TSDB_CODE_OUT_OF_RANGE;	×
191	}
192	if (value) {	1!
193	value = (int32_t*)BR_PTR(reader);	1✔
194	}
195	reader->offset += sizeof(int32_t);	1✔
196	return 0;	1✔
197	}
198
199	static int32_t tBufferGetI64(SBufferReader reader, int64_t value) {	107✔
200	if (reader->offset + sizeof(int64_t) > reader->buffer->size) {	107!
201	return TSDB_CODE_OUT_OF_RANGE;	×
202	}
203	if (value) {	107!
204	value = (int64_t*)BR_PTR(reader);	107✔
205	}
206	reader->offset += sizeof(int64_t);	107✔
207	return 0;	107✔
208	}
209
210	static int32_t tBufferGetU8(SBufferReader reader, uint8_t value) { return tBufferGet(reader, sizeof(*value), value); }	1,346!
211
212	static int32_t tBufferGetU16(SBufferReader reader, uint16_t value) {	1!
213	return tBufferGet(reader, sizeof(*value), value);	1✔
214	}
215
216	static int32_t tBufferGetU32(SBufferReader reader, uint32_t value) {	2!
217	return tBufferGet(reader, sizeof(*value), value);	2✔
218	}
219
220	static int32_t tBufferGetU64(SBufferReader reader, uint64_t value) {	2!
221	return tBufferGet(reader, sizeof(*value), value);	2✔
222	}
223
224	static int32_t tBufferGetU64v(SBufferReader reader, uint64_t value) {	151✔
225	uint8_t byte;
226	int32_t code;
227	uint64_t u64 = 0;	151✔
228
229	for (int32_t i = 0;; i++) {	151✔
230	code = tBufferGetU8(reader, &byte);	672✔
231	if (code) return code;	672!
232
233	u64 \|= (((uint64_t)(byte & 0x7F)) << (i * 7));	672✔
234
235	if (byte < 0x80) {	672✔
236	break;	151✔
237	}
238	}
239
240	if (value) {	151!
241	*value = u64;	151✔
242	}
243
244	return 0;	151✔
245	}
246
247	static int32_t tBufferGetU16v(SBufferReader reader, uint16_t value) {	25✔
248	uint64_t u64;
249	int32_t code = tBufferGetU64v(reader, &u64);	25✔
250	if (code) return code;	25!
251	if (value) {	25!
252	*value = (uint16_t)u64;	25✔
253	}
254	return 0;	25✔
255	}
256
257	static int32_t tBufferGetU32v(SBufferReader reader, uint32_t value) {	45✔
258	uint64_t u64;
259	int32_t code = tBufferGetU64v(reader, &u64);	45✔
260	if (code) return code;	45!
261	if (value) {	45!
262	*value = (uint32_t)u64;	45✔
263	}
264	return 0;	45✔
265	}
266
267	static int32_t tBufferGetI16v(SBufferReader reader, int16_t value) {	17✔
268	uint16_t u16;
269	int32_t code = tBufferGetU16v(reader, &u16);	17✔
270	if (code) return code;	17!
271	if (value) {	17!
272	*value = ZIGZAGD(int16_t, u16);	17✔
273	}
274	return 0;	17✔
275	}
276
277	static int32_t tBufferGetI32v(SBufferReader reader, int32_t value) {	29✔
278	uint32_t u32;
279	int32_t code = tBufferGetU32v(reader, &u32);	29✔
280	if (code) return code;	29!
281	if (value) {	29!
282	*value = ZIGZAGD(int32_t, u32);	29✔
283	}
284	return 0;	29✔
285	}
286
287	static int32_t tBufferGetI64v(SBufferReader reader, int64_t value) {	52✔
288	uint64_t u64;
289	int32_t code = tBufferGetU64v(reader, &u64);	52✔
290	if (code) return code;	52!
291	if (value) {	52!
292	*value = ZIGZAGD(int64_t, u64);	52✔
293	}
294	return 0;	52✔
295	}
296
297	static int32_t tBufferGetBinary(SBufferReader reader, const void data, uint32_t size) {	2✔
298	uint32_t tmpSize;
299	int32_t code;
300
301	// size
302	code = tBufferGetU32v(reader, &tmpSize);	2✔
303	if (code) return code;	2!
304	if (size) {	2✔
305	*size = tmpSize;	1✔
306	}
307
308	// data
309	if (tmpSize > 0) {	2!
310	if (reader->offset + tmpSize > reader->buffer->size) {	2!
311	return TSDB_CODE_OUT_OF_RANGE;	×
312	}
313	if (data) {	2!
314	*data = BR_PTR(reader);	2✔
315	}
316	reader->offset += tmpSize;	2✔
317	} else if (data) {	×
318	*data = NULL;	×
319	}
320
321	return 0;	2✔
322	}
323
324	static int32_t tBufferGetCStr(SBufferReader reader, const char *str) {	1✔
325	return tBufferGetBinary(reader, (const void **)str, NULL);	1✔
326	}
327
328	static int32_t tBufferGetF32(SBufferReader reader, float value) {	1✔
329	union {
330	float f;
331	uint32_t u;
332	} u;
333	TAOS_CHECK_RETURN(tBufferGetU32(reader, &u.u));	1!
334	if (value) {	1!
335	*value = u.f;	1✔
336	}
337	return 0;	1✔
338	}
339
340	static int32_t tBufferGetF64(SBufferReader reader, double value) {	1✔
341	union {
342	double f;
343	uint64_t u;
344	} u;
345	TAOS_CHECK_RETURN(tBufferGetU64(reader, &u.u));	1!
346	if (value) {	1!
347	*value = u.f;	1✔
348	}
349	return 0;	1✔
350	}

taosdata / TDengine / #3796

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