void cli_err(struct cli_state *s, const char *pfx, const char *format, ...)
{
va_list arg_list;
char lbuf[81];
char *err;
int ret;
memset(lbuf, 0, sizeof(lbuf));
/* If we're in a script, we can provide line number info */
if (!s->exec_from_cmdline && cli_script_loaded(s->scripts)) {
ret = snprintf(lbuf, sizeof(lbuf), " (%s:%d)",
cli_script_file_name(s->scripts),
cli_script_line(s->scripts));
if(ret < 0) {
lbuf[0] = '\0';
} else if(((size_t)ret) >= sizeof(lbuf)) {
lbuf[sizeof(lbuf)-1] = '\0';
}
}
/* +7 --> 2 newlines, 4 chars padding, NUL terminator */
err = calloc(strlen(lbuf) + strlen(pfx) + strlen(format) + 7, 1);
if (err) {
strcat(err, "\n ");
strcat(err, pfx);
strcat(err, lbuf);
strcat(err, ": ");
strcat(err, format);
strcat(err, "\n");
va_start(arg_list, format);
vfprintf(stderr, err, arg_list);
va_end(arg_list);
free(err);
} else {
/* Just do the best we can if a memory allocation error occurs */
fprintf(stderr, "\nYikes! Multiple errors occurred!\n");
}
}
int main(int argc, char *argv[])
{
int status = 0;
struct rc_config rc;
struct cli_state *state;
bool exit_immediately = false;
struct str_queue exec_list;
/* If no actions are specified, just show the usage text and exit */
if (argc == 1) {
usage(argv[0]);
return 0;
}
str_queue_init(&exec_list);
init_rc_config(&rc);
if (get_rc_config(argc, argv, &rc, &exec_list)) {
return 1;
}
state = cli_state_create();
if (!state) {
fprintf(stderr, "Failed to create state object\n");
return 1;
}
state->exec_list = &exec_list;
bladerf_log_set_verbosity(rc.verbosity);
if (rc.show_help) {
usage(argv[0]);
exit_immediately = true;
} else if (rc.show_help_interactive) {
printf("Interactive Commands:\n\n");
cmd_show_help_all();
exit_immediately = true;
} else if (rc.show_version) {
printf(BLADERF_CLI_VERSION "\n");
exit_immediately = true;
} else if (rc.show_lib_version) {
struct bladerf_version version;
bladerf_version(&version);
printf("%s\n", version.describe);
exit_immediately = true;
} else if (rc.probe) {
status = cmd_handle(state, "probe strict");
exit_immediately = true;
}
if (!exit_immediately) {
check_for_bootloader_devs();
/* Conditionally performed items, depending on runtime config */
status = open_device(&rc, state, status);
if (status) {
goto main_issues;
}
status = flash_fw(&rc, state, status);
if (status) {
goto main_issues;
}
status = flash_fpga(&rc, state, status);
if (status) {
goto main_issues;
}
status = load_fpga(&rc, state, status);
if (status) {
goto main_issues;
}
if (rc.script_file) {
status = cli_open_script(&state->scripts, rc.script_file);
if (status != 0) {
fprintf(stderr, "Failed to open script file \"%s\": %s\n",
rc.script_file, strerror(-status));
goto main_issues;
}
}
/* Drop into interactive mode or begin executing commands from a a
* command-line list or a script. If we're not requested to do either,
* exit cleanly */
if (!str_queue_empty(&exec_list) || rc.interactive_mode ||
cli_script_loaded(state->scripts)) {
status = cli_start_tasks(state);
if (status == 0) {
status = input_loop(state, rc.interactive_mode);
}
}
}
main_issues:
cli_state_destroy(state);
str_queue_deinit(&exec_list);
deinit_rc_config(&rc);
return status;
}
