/* Parse ARG and return the textual representation. Add strings are
concatenated and all values of the variables are filled in. */
char *
grub_script_execute_argument_to_string (struct grub_script_arg *arg)
{
int size = 0;
char *val;
char *chararg;
struct grub_script_arg *argi;
/* First determine the size of the argument. */
for (argi = arg; argi; argi = argi->next)
{
if (argi->type == 1)
{
val = grub_env_get (argi->str);
if (val)
size += grub_strlen (val);
}
else
size += grub_strlen (argi->str);
}
/* Create the argument. */
chararg = grub_malloc (size + 1);
if (! chararg)
return 0;
*chararg = '\0';
/* First determine the size of the argument. */
for (argi = arg; argi; argi = argi->next)
{
if (argi->type == 1)
{
val = grub_env_get (argi->str);
if (val)
grub_strcat (chararg, val);
}
else
grub_strcat (chararg, argi->str);
}
return chararg;
}
/* Try to load an icon for the specified CLASS_NAME in the directory DIR.
Returns 0 if the icon could not be loaded, or returns a pointer to a new
bitmap if it was successful. */
static struct grub_video_bitmap *
try_loading_icon (grub_gfxmenu_icon_manager_t mgr,
const char *dir, const char *class_name)
{
char *path;
int l;
path = grub_malloc (grub_strlen (dir) + grub_strlen (class_name)
+ grub_strlen (icon_extension) + 3);
if (! path)
return 0;
grub_strcpy (path, dir);
l = grub_strlen (path);
if (path[l-1] != '/')
{
path[l] = '/';
path[l+1] = 0;
}
grub_strcat (path, class_name);
grub_strcat (path, icon_extension);
struct grub_video_bitmap *raw_bitmap;
grub_video_bitmap_load (&raw_bitmap, path);
grub_free (path);
grub_errno = GRUB_ERR_NONE; /* Critical to clear the error!! */
if (! raw_bitmap)
return 0;
struct grub_video_bitmap *scaled_bitmap;
grub_video_bitmap_create_scaled (&scaled_bitmap,
mgr->icon_width, mgr->icon_height,
raw_bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
grub_video_bitmap_destroy (raw_bitmap);
if (! scaled_bitmap)
return 0;
return scaled_bitmap;
}
