nightingale/vendor/github.com/open-falcon/rrdlite/rrdfunc.c

#include <stdlib.h>
#include <stdio.h>

#include "rrd.h"

const char *rrdCreate(const char *filename, unsigned long step, 
		time_t start, int argc, const char **argv) {
	int ret;
	ret = rrd_create_r(filename, step, start, argc, argv);
    if (ret != 0){
        printf("rrd_create %s, errno: %d\n", filename, ret);
    }
	return rrd_strerror(ret);
}

const char *rrdUpdate(const char *filename, const char *template, 
		int argc, const char **argv) {
	int ret;
	ret = rrd_update_r(filename, template, argc, argv);
    if (ret != 0){
        printf("rrd_update %s, errno: %d\n", filename, ret);
    }
	return rrd_strerror(ret);
}


const char *rrdInfo(rrd_info_t **info, char *filename) {
	int ret = 0;
	*info = rrd_info_r(filename, &ret);
    if (ret != 0){
        printf("rrd_info %s, errno: %d\n", filename, ret);
    }
	return rrd_strerror(ret);
}

const char *rrdFetch(int *ret, char *filename, const char *cf, time_t *start, 
		time_t *end, unsigned long *step, unsigned long *ds_cnt, 
		char ***ds_namv, double **data) {
	//setbuf(stdout, NULL);
	//setbuf(stderr, NULL);
	*ret = rrd_fetch_r(filename, cf, start, end, step, ds_cnt, ds_namv, data);
    if (*ret != 0){
        printf("rrdfetch %s, errno: %d\n", filename, *ret);
    }
	return rrd_strerror(*ret);
}

char *arrayGetCString(char **values, int i) {
	return values[i];
}