+
+ if (gdp->gf == GF_TICK) {
+ dprintf("- parsing '%s'\n", &line[*eaten]);
+ dprintf("- looking for optional TICK number\n");
+ j = 0;
+ sscanf(&line[*eaten], "%lf%n", &gdp->yrule, &j);
+ if (j) {
+ if (line[*eaten + j] != '\0' && line[*eaten + j] != ':') {
+ rrd_set_error("Cannot parse TICK fraction '%s'", line);
+ return 1;
+ }
+ dprintf("- found number %f\n", gdp->yrule);
+ if (gdp->yrule > 1.0 || gdp->yrule < -1.0) {
+ rrd_set_error("Tick factor should be <= 1.0");
+ return 1;
+ }
+ (*eaten) += j;
+ } else {
+ dprintf("- not found, defaulting to 0.1\n");
+ gdp->yrule = 0.1;
+ }
+ if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ } else {
+ if (line[*eaten] == ':') {
+ (*eaten)++;
+ } else {
+ rrd_set_error("Can't make sense of that TICK line");
+ return 1;
+ }
+ }
+ }
+
+ dprintf("- parsing '%s'\n", &line[*eaten]);
+
+ /* Legend is next. A legend without a color is an error.
+ ** Stacking an item without having a legend is OK however
+ ** then an empty legend should be specified.
+ ** LINE:val#color:STACK means legend is string "STACK"
+ ** LINE:val#color::STACK means no legend, and do STACK
+ ** LINE:val:STACK is an error (legend but no color)
+ ** LINE:val::STACK means no legend, and do STACK
+ */
+ if (colorfound) {
+ int err = 0;
+ char *linecp = strdup(line);
+
+ dprintf("- looking for optional legend\n");
+
+ dprintf("- examining '%s'\n", &line[*eaten]);
+ if (linecp[*eaten] != '\0' && linecp[*eaten] != ':') {
+ int spi;
+
+ /* If the legend is not empty, it has to be prefixed with spacecnt ' ' characters. This then gets
+ * replaced by the color box later on. */
+ for (spi = 0; spi < spacecnt && (*eaten) > 1; spi++) {
+ linecp[--(*eaten)] = ' ';
+ }
+ }
+
+ if (rrd_parse_legend(linecp, eaten, gdp))
+ err = 1;
+ free(linecp);
+ if (err)
+ return 1;
+
+ dprintf("- found legend '%s'\n", &gdp->legend[2]);
+ } else {
+ dprintf("- skipping empty legend\n");
+ if (line[*eaten] != '\0' && line[*eaten] != ':') {
+ rrd_set_error("Legend set but no color: %s", &line[*eaten]);
+ return 1;
+ }
+ }
+ if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ (*eaten)++; /* after colon */
+
+ /* HRULE, VRULE and TICK cannot be stacked. */
+ if ((gdp->gf != GF_HRULE)
+ && (gdp->gf != GF_VRULE)
+ && (gdp->gf != GF_TICK)) {
+
+ dprintf("- parsing '%s', looking for STACK\n", &line[*eaten]);
+ j = scan_for_col(&line[*eaten], 5, tmpstr);
+ if (!strcmp("STACK", tmpstr)) {
+ dprintf("- found STACK\n");
+ gdp->stack = 1;
+ (*eaten) += j;
+ if (line[*eaten] == ':') {
+ (*eaten) += 1;
+ } else if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ } else {
+ dprintf("- found %s instead of just STACK\n", &line[*eaten]);
+ rrd_set_error("STACK expected but %s found", &line[*eaten]);
+ return 1;
+ }
+ } else
+ dprintf("- not STACKing\n");
+ }
+
+ dprintf("- still more, should be dashes[=...]\n");
+ dprintf("- parsing '%s'\n", &line[*eaten]);
+ if (line[*eaten] != '\0') {
+ /* parse dash arguments here. Possible options:
+ - dashes
+ - dashes=n_on[,n_off[,n_on,n_off]]
+ - dashes[=n_on[,n_off[,n_on,n_off]]]:dash-offset=offset
+ allowing 64 characters for definition of dash style */
+ j = scan_for_col(&line[*eaten], 64, tmpstr);
+ /* start with dashes */
+ if (strcmp(tmpstr, "dashes") == 0) {
+ /* if line was "dashes" or "dashes:dash-offset=xdashes="
+ tmpstr will be "dashes" */
+ dprintf("- found %s\n", tmpstr);
+ /* initialise all required variables we need for dashed lines
+ using default dash length of 5 pixels */
+ gdp->dash = 1;
+ gdp->p_dashes = (double *) malloc(sizeof(double));
+ gdp->p_dashes[0] = 5;
+ gdp->ndash = 1;
+ gdp->offset = 0;
+ (*eaten) += j;
+ } else if (sscanf(tmpstr, "dashes=%s", tmpstr)) {
+ /* dashes=n_on[,n_off[,n_on,n_off]] */
+ char csv[64];
+ char *pch;
+ float dsh;
+ int count = 0;
+ char *saveptr;
+
+ strcpy(csv, tmpstr);
+
+ pch = strtok_r(tmpstr, ",", &saveptr);
+ while (pch != NULL) {
+ pch = strtok_r(NULL, ",", &saveptr);
+ count++;
+ }
+ dprintf("- %d dash value(s) found: ", count);
+ if (count > 0) {
+ gdp->dash = 1;
+ gdp->ndash = count;
+ gdp->p_dashes = (double *) malloc(sizeof(double) * count);
+ pch = strtok_r(csv, ",", &saveptr);
+ count = 0;
+ while (pch != NULL) {
+ if (sscanf(pch, "%f", &dsh)) {
+ gdp->p_dashes[count] = (double) dsh;
+ dprintf("%.1f ", gdp->p_dashes[count]);
+ count++;
+ }
+ pch = strtok_r(NULL, ",", &saveptr);
+ }
+ dprintf("\n");
+ } else
+ dprintf("- syntax error. No dash lengths found!\n");
+ (*eaten) += j;
+ } else
+ dprintf("- error: expected dashes[=...], found %s\n", tmpstr);
+ if (line[*eaten] == ':') {
+ (*eaten) += 1;
+ } else if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ /* dashes[=n_on[,n_off[,n_on,n_off]]]:dash-offset=offset
+ allowing 16 characters for dash-offset=....
+ => 4 characters for the offset value */
+ j = scan_for_col(&line[*eaten], 16, tmpstr);
+ if (sscanf(tmpstr, "dash-offset=%lf", &gdp->offset)) {
+ dprintf("- found dash-offset=%.1f\n", gdp->offset);
+ gdp->dash = 1;
+ (*eaten) += j;
+ if (line[*eaten] == ':')
+ (*eaten) += 1;
+ }
+ if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ }
+ if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ (*eaten)++;
+ dprintf("- parsing '%s'\n", &line[*eaten]);
+