static int parse_cvdef(enum gf_en gf,parsedargs_t*pa,image_desc_t *const im){
/* get new graph that we fill */
graph_desc_t *gdp=newGraphDescription(im,gf,pa,
PARSE_VNAMERPN
);
if (!gdp) { return 1;}
/* handle RPN parsing */
if (gf==GF_CDEF) {
/* parse rpn */
if ((gdp->rpnp= rpn_parse((void *) im, gdp->rpn, &find_var_wrapper)) == NULL) {
return 1; }
} else { /* VDEF */
/* parse vdef, as vdef_parse is a bit "stupid" right now we have to touch things here */
/* so find first , */
char*c=strchr(gdp->rpn,',');
char vname[MAX_VNAME_LEN+1];
if (! c) { rrd_set_error("Comma expected in VDEF definition %s",gdp->rpn); return 1;}
/* found a comma, so copy the first part to ds_nam (re/abusing it) */
*c=0; /* yes now it seems as if the string ended here */
strncpy(vname,gdp->rpn,MAX_VNAME_LEN);
*c=','; /* and now all is back to normal ... shudder */
/* trying to find the vidx for that name */
gdp->vidx = find_var(im, vname);
if (gdp->vidx<0) { *c=',';
rrd_set_error("Not a valid vname: %s in line %s", vname, gdp->rpn);
return 1;}
if (im->gdes[gdp->vidx].gf != GF_DEF && im->gdes[gdp->vidx].gf != GF_CDEF) {
rrd_set_error("variable '%s' not DEF nor "
"CDEF in VDEF '%s'",vname, gdp->rpn);
return 1;
}
/* and parsing the rpn */
int r=vdef_parse(gdp, c+1);
/* original code does not check here for some reason */
if (r) { return 1; }
}
/* debugging output */
dprintf("=================================\n");
if (gf==GF_CDEF) {
dprintf("CDEF : %s\n",pa->arg_orig);
} else {
dprintf("VDEF : %s\n",pa->arg_orig);
}
dprintf("VNAME : %s\n",gdp->vname);
dprintf("RPN : %s\n",gdp->rpn);
dprintf("=================================\n");
/* and return fine */
return 0;
}
int
rrd_parse_cdef(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
dprintf("- parsing '%s'\n",&line[*eaten]);
if (rrd_parse_vname(line,eaten,gdp,im)) return 1;
if ((gdp->rpnp = rpn_parse(
(void *)im,
&line[*eaten],
&find_var_wrapper)
)==NULL) {
rrd_set_error("invalid rpn expression in: %s",&line[*eaten]);
return 1;
};
while (line[*eaten]!='\0'&&line[*eaten]!=':')
(*eaten)++;
return 0;
}