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syslinux: Support {vesa,}menu.c32.

This commit is contained in:
Lunar 2015-03-27 15:15:13 +01:00 committed by Vladimir Serbinenko
parent 1a33de8b56
commit c9ee9bedef
1 changed files with 107 additions and 58 deletions
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165
grub-core/lib/syslinux_parse.c
View File

@ -839,6 +839,82 @@ simplify_filename (char *str)
*optr = '\0';
}
static grub_err_t
print_config (struct output_buffer *outbuf,
struct syslinux_menu *menu,
const char *filename, const char *basedir)
{
struct syslinux_menu *menuptr;
grub_err_t err = GRUB_ERR_NONE;
char *new_cwd = NULL;
char *new_target_cwd = NULL;
char *newname = NULL;
int depth = 0;
new_cwd = get_read_filename (menu, basedir);
if (!new_cwd)
{
err = grub_errno;
goto out;
}
new_target_cwd = get_target_filename (menu, basedir);
if (!new_target_cwd)
{
err = grub_errno;
goto out;
}
newname = get_read_filename (menu, filename);
if (!newname)
{
err = grub_errno;
goto out;
}
simplify_filename (newname);
print_string ("#");
print_file (outbuf, menu, filename, NULL);
print_string (" ");
print (outbuf, newname, grub_strlen (newname));
print_string (":\n");
for (menuptr = menu; menuptr; menuptr = menuptr->parent, depth++)
if (grub_strcmp (menuptr->filename, newname) == 0
|| depth > 20)
break;
if (menuptr)
{
print_string (" syslinux_configfile -r ");
print_file (outbuf, menu, "/", NULL);
print_string (" -c ");
print_file (outbuf, menu, basedir, NULL);
print_string (" ");
print_file (outbuf, menu, filename, NULL);
print_string ("\n");
}
else
{
err = config_file (outbuf, menu->root_read_directory,
menu->root_target_directory, new_cwd, new_target_cwd,
newname, menu, menu->flavour);
if (err == GRUB_ERR_FILE_NOT_FOUND
|| err == GRUB_ERR_BAD_FILENAME)
{
grub_errno = err = GRUB_ERR_NONE;
print_string ("# File ");
err = print (outbuf, newname, grub_strlen (newname));
if (err)
goto out;
print_string (" not found\n");
}
}
out:
grub_free (newname);
grub_free (new_cwd);
grub_free (new_target_cwd);
return err;
}
static grub_err_t
write_entry (struct output_buffer *outbuf,
struct syslinux_menu *menu,
@ -1227,6 +1303,36 @@ write_entry (struct output_buffer *outbuf,
break;
}
if (grub_strcasecmp (basename, "menu.c32") == 0 ||
grub_strcasecmp (basename, "vesamenu.c32") == 0)
{
char *ptr;
char *end;
ptr = curentry->append;
if (!ptr)
return grub_errno;
while (*ptr)
{
end = ptr;
for (end = ptr; *end && !grub_isspace (*end); end++);
if (*end)
*end++ = '\0';
/* "~" is supposed to be current file, so let's skip it */
if (grub_strcmp (ptr, "~") != 0)
{
err = print_config (outbuf, menu, ptr, "");
if (err != GRUB_ERR_NONE)
break;
}
for (ptr = end; *ptr && grub_isspace (*ptr); ptr++);
}
err = GRUB_ERR_NONE;
break;
}
/* FIXME: gdb, GFXBoot, Hdt, Ifcpu, Ifplop, Kbdmap,
FIXME: Linux, Lua, Meminfo, rosh, Sanbboot */
@ -1239,70 +1345,13 @@ write_entry (struct output_buffer *outbuf,
}
case KERNEL_CONFIG:
{
char *new_cwd, *new_target_cwd;
const char *ap;
ap = curentry->append;
if (!ap)
ap = curentry->argument;
if (!ap)
ap = "";
new_cwd = get_read_filename (menu, ap);
if (!new_cwd)
return grub_errno;
new_target_cwd = get_target_filename (menu, ap);
if (!new_target_cwd)
return grub_errno;
struct syslinux_menu *menuptr;
char *newname;
int depth = 0;
newname = get_read_filename (menu, curentry->kernel_file);
if (!newname)
return grub_errno;
simplify_filename (newname);
print_string ("#");
print_file (outbuf, menu, curentry->kernel_file, NULL);
print_string (" ");
print (outbuf, newname, grub_strlen (newname));
print_string (":\n");
for (menuptr = menu; menuptr; menuptr = menuptr->parent, depth++)
if (grub_strcmp (menuptr->filename, newname) == 0
|| depth > 20)
break;
if (menuptr)
{
print_string (" syslinux_configfile -r ");
print_file (outbuf, menu, "/", NULL);
print_string (" -c ");
print_file (outbuf, menu, ap, NULL);
print_string (" ");
print_file (outbuf, menu, curentry->kernel_file, NULL);
print_string ("\n");
}
else
{
err = config_file (outbuf, menu->root_read_directory,
menu->root_target_directory, new_cwd, new_target_cwd,
newname, menu, menu->flavour);
if (err == GRUB_ERR_FILE_NOT_FOUND
|| err == GRUB_ERR_BAD_FILENAME)
{
grub_errno = err = GRUB_ERR_NONE;
print_string ("# File ");
err = print (outbuf, newname, grub_strlen (newname));
if (err)
return err;
print_string (" not found\n");
}
if (err)
return err;
}
grub_free (newname);
grub_free (new_cwd);
grub_free (new_target_cwd);
print_config (outbuf, menu, curentry->kernel_file, ap);
}
break;
case KERNEL_NO_KERNEL: