[rrd-users] Re: rrd_graph and once more calling

[Torleiv Ringer]

The c program below works for me.

+++++++++++++++++++++++++++++++++

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

#include <rrd.h>

int main(int argc, char** argv)
{
	char **calcpr;
	int xsize, ysize;
	int i;
	int num_graphs = 10;

	char tfilename[24];
	char tcom[24];

	char* filename = "file.png";
	char* com = "COMMENT:number ";

	char* graph_args[6];

	graph_args[0] = "graph";
	graph_args[1] = filename;
	graph_args[2] = "-s";
	graph_args[3] = "-86400";
	graph_args[4] = "DEF:temp=KTEX-temp.rrd:temp:AVERAGE";
	graph_args[5] = com;

	for(i = 0; i < num_graphs; i++)
	{
		sprintf(tfilename, "%s%i", filename, i);
		graph_args[1] = tfilename;
		printf("making %s\t", %graph_args[1]);

		sprintf(tcom, "%s %i", %com, %i);
		graph_args[5] = tcom;

		if( rrd_graph(6, graph_args, &calcpr, &xsize, &ysize) != -1)
		{
			printf ("%dx%d\n", xsize, ysize);
		}

		if (rrd_test_error())
		{
			printf("ERROR: %s\n",rrd_get_error());
			rrd_clear_error();
		}

	}

	return(0);

}

+++++++++++++++++++++++++++++++++

On Wed, 7 Nov 2001, Oleg A. Grigorov wrote:

>
> Hello All,
>
> help me please,
> don't run rrd_graph more then once from my program.
>
> chain[] = {'tst1','tst2'};
> ....
>
> for (i=0; i<2; i++){
> .....
> 	arr[..]="";
> /*
> 	I read tst1, after tst2. and error.
> */
> .....
> 	rrd_graph(...,&arr[15],...);
> }
>
> and i have error:unknown variable.
>
> But if i do:
> 	rrd_graph(...,&arr[15],...);
>
> It's all right!
>
>
> ----------
> WBR, Oleg A. Grigorov
> golant at dot.kharkov.ua                    GO1418-RIPE
>
>
>
> --
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