+ if ((int)(*cf = cf_conv(symname))==-1) {
+ rrd_set_error("Unknown CF '%s' in '%s'",symname,line);
+ return 1;
+ }
+
+ if (line[*eaten]!='\0') (*eaten)++;
+ return 0;
+}
+
+/* Parsing old-style xPRINT and new-style xPRINT */
+int
+rrd_parse_print(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ /* vname:CF:format in case of DEF-based vname
+ ** vname:CF:format in case of CDEF-based vname
+ ** vname:format in case of VDEF-based vname
+ */
+ char tmpstr[MAX_VNAME_LEN+1];
+ int i=0;
+
+ sscanf(&line[*eaten], DEF_NAM_FMT ":%n", tmpstr,&i);
+ if (!i) {
+ rrd_set_error("Could not parse line '%s'",line);
+ return 1;
+ }
+ (*eaten)+=i;
+ dprintf("- Found candidate vname '%s'\n",tmpstr);
+
+ if ((gdp->vidx=find_var(im,tmpstr))<0) {
+ rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
+ return 1;
+ }
+ switch (im->gdes[gdp->vidx].gf) {
+ case GF_DEF:
+ case GF_CDEF:
+ dprintf("- vname is of type DEF or CDEF, looking for CF\n");
+ if (rrd_parse_CF(line,eaten,gdp,&gdp->cf)) return 1;
+ break;
+ case GF_VDEF:
+ dprintf("- vname is of type VDEF\n");
+ break;
+ default:
+ rrd_set_error("Encountered unknown type variable '%s'",tmpstr);
+ return 1;
+ }
+
+ if (rrd_parse_legend(line,eaten,gdp)) return 1;
+
+ /* Why is there a separate structure member "format" ??? */
+ strcpy(gdp->format,gdp->legend);
+
+ return 0;
+}
+
+int
+rrd_parse_shift(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ char *l = strdup(line + *eaten), *p;
+ int rc = 1;
+
+ p = strchr(l, ',');
+ if (p == NULL) {
+ rrd_set_error("Invalid SHIFT syntax");
+ goto out;
+ }
+ *p++ = '\0';
+
+ if ((gdp->vidx=find_var(im,l))<0) {
+ rrd_set_error("Not a valid vname: %s in line %s",l,line);
+ goto out;
+ }
+
+ /* constant will parse; otherwise, must be VDEF reference */
+ if (sscanf(p, "%ld", &gdp->shval) != 1) {
+ graph_desc_t *vdp;
+
+ if ((gdp->shidx=find_var(im, p))<0) {
+ rrd_set_error("invalid offset vname: %s", p);
+ goto out;
+ }
+
+ vdp = &im->gdes[gdp->shidx];
+ if (vdp->gf != GF_VDEF) {
+ rrd_set_error("offset must specify value or VDEF");
+ goto out;
+ }
+ } else {
+ gdp->shidx = -1;
+ }
+
+ *eaten = strlen(line);
+ rc = 0;
+
+ out:
+ free(l);
+ return rc;
+}
+
+int
+rrd_parse_xport(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ char *l = strdup(line + *eaten), *p;
+ int rc = 1;
+
+ p = strchr(l, ':');
+ if (p != NULL)
+ *p++ = '\0';
+ else
+ p = "";
+
+ if ((gdp->vidx=find_var(im, l))==-1){
+ rrd_set_error("unknown variable '%s'",l);
+ goto out;
+ }
+
+ if (strlen(p) >= FMT_LEG_LEN)
+ *(p + FMT_LEG_LEN) = '\0';
+
+ strcpy(gdp->legend, p);
+ *eaten = strlen(line);
+ rc = 0;
+
+ out:
+ free(l);
+ return rc;
+}
+
+/* Parsing of PART, VRULE, HRULE, LINE, AREA, STACK and TICK
+** is done in one function. Stacking STACK is silently ignored
+** as it is redundant. Stacking PART, VRULE, HRULE or TICK is
+** not allowed. The check for color doesn't need to be so strict
+** anymore, the user can specify the color '#00000000' and
+** effectively circumvent this check, so why bother.
+**
+** If a number (which is valid to enter) is more than a
+** certain amount of characters, it is caught as an error.
+** While this is arguable, so is entering fixed numbers
+** with more than MAX_VNAME_LEN significant digits.
+*/
+int
+rrd_parse_PVHLAST(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ int i,j;
+ int colorfound=0;
+ char tmpstr[MAX_VNAME_LEN + 10]; /* vname#RRGGBBAA\0 */
+
+ dprintf("- parsing '%s'\n",&line[*eaten]);
+ dprintf("- from line '%s'\n",line);
+
+ i=scan_for_col(&line[*eaten],MAX_VNAME_LEN+9,tmpstr);
+ if (line[*eaten+i]!='\0' && line[*eaten+i]!=':') {
+ rrd_set_error("Cannot parse line '%s'",line);
+ return 1;
+ }
+
+ j=i; while (j>0 && tmpstr[j]!='#') j--;
+
+ if (tmpstr[j]=='#') {
+ if (rrd_parse_color(&tmpstr[j],gdp)) {
+ rrd_set_error("Could not parse color in '%s'",tmpstr[j]);
+ return 1;
+ }
+ tmpstr[j]='\0';
+ dprintf("- parsed color 0x%08x\n",(unsigned int)gdp->col);
+ colorfound=1;
+ }
+
+ dprintf("- examining '%s'\n",tmpstr);
+ j=0;
+ if (gdp->gf == GF_VRULE) {
+ sscanf(tmpstr,"%li%n",&gdp->xrule,&j);
+ if (j) dprintf("- found time: %li\n",gdp->xrule);
+ } else {
+ sscanf(tmpstr,"%lf%n",&gdp->yrule,&j);
+ if (j) dprintf("- found number: %f\n",gdp->yrule);
+ }
+ if (!j) {
+ if ((gdp->vidx=find_var(im,tmpstr))<0) {
+ rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
+ return 1;
+ }
+ dprintf("- found vname: '%s' vidx %li\n",tmpstr,gdp->vidx);
+ }
+ /* "*eaten" is still pointing to the original location,
+ ** "*eaten +i" is pointing to the character after the color
+ ** or to the terminating '\0' in which case we're finished.
+ */
+ if (line[*eaten+i]=='\0') {
+ *eaten+=i;