homework-jianmu/source/libs/function/test/udf1.c

22 lines
644 B
C

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "os.h"
#include "tudf.h"
void udf1(int8_t step, char *state, int32_t stateSize, SUdfDataBlock input,
char **newState, int32_t *newStateSize, SUdfDataBlock *output) {
fprintf(stdout, "%s, step:%d\n", "udf function called", step);
char *newStateBuf = taosMemoryMalloc(stateSize);
memcpy(newStateBuf, state, stateSize);
*newState = newStateBuf;
*newStateSize = stateSize;
char *outputBuf = taosMemoryMalloc(input.size);
memcpy(outputBuf, input.data, input.size);
output->data = outputBuf;
output->size = input.size;
return;
}