[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
> [EMAIL PROTECTED]                    GO1418-RIPE
>
>
>
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