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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <time.h>
char* c_filter(char* tag, int len, uint32_t sec, uint32_t nsec, char* record, int record_len)
{
char *buf;
buf = malloc(1024);
if (!buf) {
printf("malloc buf failed\n");
return NULL;
}
struct timespec ts;
ts.tv_sec = sec;
ts.tv_nsec = nsec;
sprintf(buf, "{\"tag\":\"%s\",\"time\":\"%lld.%9ld\", \"message\":\"Hello, from C!\", \"original\": %s}",
tag, (long long)ts.tv_sec, ts.tv_nsec, record);
return buf;
}
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