static int write_text(struct outbuf *out, const char *buf, FILE *fout)
{
int want_color = opdb_get_boolean("color");
int len = 0;
while (*buf) {
if (*buf == 27)
out->in_code = 1;
if (!out->in_code)
len++;
if (*buf == '\n') {
out->buf[out->len] = 0;
fprintf(fout, "%s\n", out->buf);
if (capture_func)
capture_func(capture_data, out->buf);
out->len = 0;
} else if ((want_color || !out->in_code) &&
out->len + 1 < sizeof(out->buf)) {
out->buf[out->len++] = *buf;
}
if (isalpha(*buf))
out->in_code = 0;
buf++;
}
return len;
}
int printc_dbg(const char *fmt, ...)
{
char buf[4096];
va_list ap;
if (opdb_get_boolean("quiet"))
return 0;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
return write_text(&stdout_buf, buf, stdout);
}
void reader_loop(void)
{
int old = in_reader_loop;
in_reader_loop = 1;
if (!opdb_get_boolean("quiet")) {
printc("\n");
cmd_help(NULL);
printc("\n");
}
do {
want_exit = 0;
for (;;) {
char *buf = readline("(mspdebug) ");
char tmpbuf[MAX_READER_LINE];
if (!buf) {
printc("\n");
break;
}
/* Copy into our local buffer and free */
strncpy(tmpbuf, buf, sizeof(tmpbuf));
tmpbuf[sizeof(tmpbuf) - 1] = 0;
free(buf);
buf = tmpbuf;
if (*buf) {
add_history(buf);
repeat_buf[0] = 0;
} else {
memcpy(tmpbuf, repeat_buf, sizeof(tmpbuf));
}
do_command(buf, 1);
if (want_exit)
break;
}
} while (prompt_abort(MODIFY_SYMS));
in_reader_loop = old;
}
int cmd_gdb(char **arg)
{
char *port_text = get_arg(arg);
address_t port = 2000;
if (port_text && expr_eval(port_text, &port) < 0) {
printc_err("gdb: can't parse port: %s\n", port_text);
return -1;
}
if (port <= 0 || port > 65535) {
printc_err("gdb: invalid port: %d\n", port);
return -1;
}
do {
if (gdb_server(port) < 0)
return -1;
} while (opdb_get_boolean("gdb_loop"));
return 0;
}