+
+ if (! try->name)
+ continue;
+
+ if (strncmp (arg, try->name, strlen (try->name)) != 0)
+ continue;
+
+ char next = arg[strlen (try->name)];
+ const char *value = arg + strlen(try->name) + 1;
+
+ /*
+ * If we have not reached the end of the argument (i.e. the
+ * next character is not a space or delimiter) then the
+ * argument could still match a longer option name later in
+ * the option table.
+ */
+ if (next != '=' && next != ':' && next != '\0')
+ continue;
+
+ if (next == '\0' && next_arg != NULL && try->opt_type != NOTMUCH_OPT_BOOLEAN) {
+ next = ' ';
+ value = next_arg;
+ opt_index ++;
+ }
+
+ if (try->output_var == NULL)
+ INTERNAL_ERROR ("output pointer NULL for option %s", try->name);
+
+ notmuch_bool_t opt_status = FALSE;
+ switch (try->opt_type) {
+ case NOTMUCH_OPT_KEYWORD:
+ case NOTMUCH_OPT_KEYWORD_FLAGS:
+ opt_status = _process_keyword_arg (try, next, value);
+ break;
+ case NOTMUCH_OPT_BOOLEAN:
+ opt_status = _process_boolean_arg (try, next, value);
+ break;
+ case NOTMUCH_OPT_INT:
+ opt_status = _process_int_arg (try, next, value);
+ break;
+ case NOTMUCH_OPT_STRING:
+ opt_status = _process_string_arg (try, next, value);
+ break;
+ case NOTMUCH_OPT_POSITION:
+ case NOTMUCH_OPT_END:
+ default:
+ INTERNAL_ERROR ("unknown or unhandled option type %d", try->opt_type);
+ /*UNREACHED*/
+ }
+ if (opt_status)
+ return opt_index+1;
+ else
+ return -1;