25 lines
678 B
C
25 lines
678 B
C
// compile with
|
|
// gcc error_handle_example.c -o error_handle_example -ltaos
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "taos.h"
|
|
|
|
int main() {
|
|
const char *host = "localhost";
|
|
const char *user = "root";
|
|
const char *passwd = "taosdata";
|
|
// if don't want to connect to a default db, set it to NULL or ""
|
|
const char *db = "notexist";
|
|
uint16_t port = 0; // 0 means use the default port
|
|
TAOS *taos = taos_connect(host, user, passwd, db, port);
|
|
if (taos == NULL) {
|
|
int errno = taos_errno(NULL);
|
|
char *msg = taos_errstr(NULL);
|
|
printf("%d, %s\n", errno, msg);
|
|
} else {
|
|
printf("connected\n");
|
|
taos_close(taos);
|
|
}
|
|
taos_cleanup();
|
|
}
|