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Merge pull request #17203 from taosdata/fix/add_buffer_obj 

fix: add buffer obj for further dev
This commit is contained in:
Hongze Cheng 2022-10-08 10:26:51 +08:00 committed by GitHub
parent d05b134a48 14283283e4
commit 13bee74a33
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 37 additions and 0 deletions
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13
include/common/tdataformat.h
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@ -27,6 +27,7 @@
extern "C" { extern "C" {
#endif #endif
typedef struct SBuffer SBuffer;
typedef struct SSchema SSchema; typedef struct SSchema SSchema;
typedef struct STColumn STColumn; typedef struct STColumn STColumn;
typedef struct STSchema STSchema; typedef struct STSchema STSchema;
@ -56,6 +57,18 @@ const static uint8_t BIT2_MAP[4][4] = {{0b00000000, 0b00000001, 0b00000010, 0},
#define SET_BIT2(p, i, v) ((p)[(i) >> 2] = (p)[(i) >> 2] & N1(BIT2_MAP[(i)&3][3]) | BIT2_MAP[(i)&3][(v)]) #define SET_BIT2(p, i, v) ((p)[(i) >> 2] = (p)[(i) >> 2] & N1(BIT2_MAP[(i)&3][3]) | BIT2_MAP[(i)&3][(v)])
#define GET_BIT2(p, i) (((p)[(i) >> 2] >> BIT2_MAP[(i)&3][3]) & ((uint8_t)3)) #define GET_BIT2(p, i) (((p)[(i) >> 2] >> BIT2_MAP[(i)&3][3]) & ((uint8_t)3))
// SBuffer ================================
struct SBuffer {
int64_t nBuf;
uint8_t *pBuf;
};
#define tBufferCreate() \
(SBuffer) { .nBuf = 0, .pBuf = NULL }
void tBufferDestroy(SBuffer *pBuffer);
int32_t tBufferInit(SBuffer *pBuffer, int64_t size);
int32_t tBufferPut(SBuffer *pBuffer, const void *pData, int64_t nData);
// STSchema ================================ // STSchema ================================
int32_t tTSchemaCreate(int32_t sver, SSchema *pSchema, int32_t nCols, STSchema **ppTSchema); int32_t tTSchemaCreate(int32_t sver, SSchema *pSchema, int32_t nCols, STSchema **ppTSchema);
void tTSchemaDestroy(STSchema *pTSchema); void tTSchemaDestroy(STSchema *pTSchema);

24
source/common/src/tdataformat.c
View File

@ -20,6 +20,30 @@
#include "tdatablock.h" #include "tdatablock.h"
#include "tlog.h" #include "tlog.h"
// SBuffer ================================
void tBufferDestroy(SBuffer *pBuffer) {
tFree(pBuffer->pBuf);
pBuffer->pBuf = NULL;
}
int32_t tBufferInit(SBuffer *pBuffer, int64_t size) {
pBuffer->nBuf = 0;
return tRealloc(&pBuffer->pBuf, size);
}
int32_t tBufferPut(SBuffer *pBuffer, const void *pData, int64_t nData) {
int32_t code = 0;
code = tRealloc(&pBuffer->pBuf, pBuffer->nBuf + nData);
if (code) return code;
memcpy(pBuffer->pBuf + pBuffer->nBuf, pData, nData);
pBuffer->nBuf += nData;
return code;
}
// ================================
static int32_t tGetTagVal(uint8_t *p, STagVal *pTagVal, int8_t isJson); static int32_t tGetTagVal(uint8_t *p, STagVal *pTagVal, int8_t isJson);
#pragma pack(push, 1) #pragma pack(push, 1)