+ qemu_opt_set(opts, "backend", "file");
+ qemu_opt_set(opts, "path", p);
+ return opts;
+ }
+ if (strstart(filename, "pipe:", &p)) {
+ qemu_opt_set(opts, "backend", "pipe");
+ qemu_opt_set(opts, "path", p);
+ return opts;
+ }
+ if (strstart(filename, "tcp:", &p) ||
+ strstart(filename, "telnet:", &p)) {
+ if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) {
+ host[0] = 0;
+ if (sscanf(p, ":%32[^,]%n", port, &pos) < 1)
+ goto fail;
+ }
+ qemu_opt_set(opts, "backend", "socket");
+ qemu_opt_set(opts, "host", host);
+ qemu_opt_set(opts, "port", port);
+ if (p[pos] == ',') {
+ if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0)
+ goto fail;
+ }
+ if (strstart(filename, "telnet:", &p))
+ qemu_opt_set(opts, "telnet", "on");
+ return opts;
+ }
+ if (strstart(filename, "udp:", &p)) {
+ qemu_opt_set(opts, "backend", "udp");
+ if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) {
+ host[0] = 0;
+ if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) {
+ fprintf(stderr, "udp #1\n");
+ goto fail;
+ }
+ }
+ qemu_opt_set(opts, "host", host);
+ qemu_opt_set(opts, "port", port);
+ if (p[pos] == '@') {
+ p += pos + 1;
+ if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) {
+ host[0] = 0;
+ if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) {
+ fprintf(stderr, "udp #2\n");
+ goto fail;
+ }
+ }
+ qemu_opt_set(opts, "localaddr", host);
+ qemu_opt_set(opts, "localport", port);
+ }
+ return opts;
+ }
+ if (strstart(filename, "unix:", &p)) {
+ qemu_opt_set(opts, "backend", "socket");
+ if (qemu_opts_do_parse(opts, p, "path") != 0)
+ goto fail;
+ return opts;
+ }
+ if (strstart(filename, "/dev/parport", NULL) ||
+ strstart(filename, "/dev/ppi", NULL)) {
+ qemu_opt_set(opts, "backend", "parport");
+ qemu_opt_set(opts, "path", filename);
+ return opts;
+ }
+ if (strstart(filename, "/dev/", NULL)) {
+ qemu_opt_set(opts, "backend", "tty");
+ qemu_opt_set(opts, "path", filename);
+ return opts;
+ }
+
+fail:
+ fprintf(stderr, "%s: fail on \"%s\"\n", __FUNCTION__, filename);
+ qemu_opts_del(opts);
+ return NULL;
+}
+
+static const struct {
+ const char *name;
+ CharDriverState *(*open)(QemuOpts *opts);
+} backend_table[] = {
+ { .name = "null", .open = qemu_chr_open_null },
+ { .name = "socket", .open = qemu_chr_open_socket },
+ { .name = "udp", .open = qemu_chr_open_udp },
+ { .name = "msmouse", .open = qemu_chr_open_msmouse },
+ { .name = "vc", .open = text_console_init },
+#ifdef _WIN32
+ { .name = "file", .open = qemu_chr_open_win_file_out },
+ { .name = "pipe", .open = qemu_chr_open_win_pipe },
+ { .name = "console", .open = qemu_chr_open_win_con },
+ { .name = "serial", .open = qemu_chr_open_win },
+#else
+ { .name = "file", .open = qemu_chr_open_file_out },
+ { .name = "pipe", .open = qemu_chr_open_pipe },
+ { .name = "pty", .open = qemu_chr_open_pty },
+ { .name = "stdio", .open = qemu_chr_open_stdio },