int
capture_output_to_menu(FileView *view, const char cmd[], menu_info *m)
{
FILE *file, *err;
char *line = NULL;
int x;
pid_t pid;
LOG_INFO_MSG("Capturing output of the command to a menu: %s", cmd);
pid = background_and_capture((char *)cmd, &file, &err);
if(pid == (pid_t)-1)
{
show_error_msgf("Trouble running command", "Unable to run: %s", cmd);
return 0;
}
show_progress("", 0);
ui_cancellation_reset();
ui_cancellation_enable();
wait_for_data_from(pid, file, 0);
x = 0;
while((line = read_line(file, line)) != NULL)
{
char *expanded_line;
show_progress("Loading menu", 1000);
m->items = realloc(m->items, sizeof(char *)*(x + 1));
expanded_line = expand_tabulation_a(line, cfg.tab_stop);
if(expanded_line != NULL)
{
m->items[x++] = expanded_line;
}
wait_for_data_from(pid, file, 0);
}
m->len = x;
ui_cancellation_disable();
fclose(file);
print_errors(err);
if(ui_cancellation_requested())
{
append_to_string(&m->title, "(cancelled) ");
append_to_string(&m->empty_msg, " (cancelled)");
}
return display_menu(m, view);
}
/* Implements process_cmd_output() callback that loads lines to a menu. */
static void
output_handler(const char line[], void *arg)
{
menu_data_t *const m = arg;
char *expanded_line;
m->items = reallocarray(m->items, m->len + 1, sizeof(char *));
expanded_line = expand_tabulation_a(line, cfg.tab_stop);
if(expanded_line != NULL)
{
m->items[m->len++] = expanded_line;
}
}
