+ separator = true;
+ do {
+ done = true;
+
+ SD_JOURNAL_FOREACH_DATA(j, data, length) {
+ const char *eq;
+ char *kk, *n;
+ size_t m;
+ unsigned u;
+
+ /* We already printed the boot id, from the data in
+ * the header, hence let's suppress it here */
+ if (length >= 9 &&
+ memcmp(data, "_BOOT_ID=", 9) == 0)
+ continue;
+
+ eq = memchr(data, '=', length);
+ if (!eq)
+ continue;
+
+ if (separator) {
+ if (mode == OUTPUT_JSON_PRETTY)
+ fputs(",\n\t", f);
+ else
+ fputs(", ", f);
+ }
+
+ m = eq - (const char*) data;
+
+ n = strndup(data, m);
+ if (!n) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ u = PTR_TO_UINT(hashmap_get2(h, n, (void**) &kk));
+ if (u == 0) {
+ /* We already printed this, let's jump to the next */
+ free(n);
+ separator = false;
+
+ continue;
+ } else if (u == 1) {
+ /* Field only appears once, output it directly */
+
+ json_escape(f, data, m, flags);
+ fputs(" : ", f);
+
+ json_escape(f, eq + 1, length - m - 1, flags);
+
+ hashmap_remove(h, n);
+ free(kk);
+ free(n);
+
+ separator = true;
+
+ continue;
+
+ } else {
+ /* Field appears multiple times, output it as array */
+ json_escape(f, data, m, flags);
+ fputs(" : [ ", f);
+ json_escape(f, eq + 1, length - m - 1, flags);
+
+ /* Iterate through the end of the list */
+
+ while (sd_journal_enumerate_data(j, &data, &length) > 0) {
+ if (length < m + 1)
+ continue;
+
+ if (memcmp(data, n, m) != 0)
+ continue;
+
+ if (((const char*) data)[m] != '=')
+ continue;
+
+ fputs(", ", f);
+ json_escape(f, (const char*) data + m + 1, length - m - 1, flags);
+ }
+
+ fputs(" ]", f);
+
+ hashmap_remove(h, n);
+ free(kk);
+ free(n);
+
+ /* Iterate data fields form the beginning */
+ done = false;
+ separator = true;
+
+ break;
+ }
+ }
+
+ } while (!done);
+
+ if (mode == OUTPUT_JSON_PRETTY)
+ fputs("\n}\n", f);
+ else if (mode == OUTPUT_JSON_SSE)
+ fputs("}\n\n", f);
+ else
+ fputs(" }\n", f);
+
+ r = 0;
+
+finish:
+ while ((k = hashmap_steal_first_key(h)))
+ free(k);
+
+ hashmap_free(h);
+
+ return r;