On 2025-05-26 23:48, Jiří Wolker via Grub-devel wrote:
---
grub-core/commands/menuentry.c | 50 ++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/grub-core/commands/menuentry.c
b/grub-core/commands/menuentry.c
index 720e6d8ea..c40b27d8b 100644
--- a/grub-core/commands/menuentry.c
+++ b/grub-core/commands/menuentry.c
@@ -43,6 +43,9 @@ static const struct grub_arg_option options[] =
anyone can boot it. */
{"unrestricted", 0, 0, N_("This entry can be booted by any
user."),
0, ARG_TYPE_NONE},
+ {"menutitle", 0, 0,
+ N_("Use STRING as menu title. When omitted, use the entry
label."),
+ N_("TITLE"), ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
@@ -252,12 +255,46 @@ setparams_prefix (int argc, char **args)
return result;
}
+static char *
+menutitle_prefix (char *old_prefix, const char *title)
+{
+ const char *t;
+ char *p;
+ char *result;
+ grub_size_t len = 22;
+ grub_size_t old_len = grub_strlen (old_prefix);
+
+ /* Count resulting string length. */
+ for (t = title; *t; t++)
+ {
+ len += (*t++ == '\'' ? 4 : 1);
+ }
+
remove the brackets in one liner For loop
+ result = grub_malloc (old_len + len + 2);
+ if (! result)
s/! result/!result
+ return 0;
+
+ p = result;
+ grub_strcpy (p, old_prefix);
+ p = result + old_len;
+ grub_strcpy (p, "set grub_menu_title='");
+ p += 21;
+
+ p = grub_strchrsub (p, title, '\'', "'\\''");
+ *p++ = '\'';
+ *p++ = '\n';
+ *p = '\0';
+
+ return result;
+}
+
static grub_err_t
grub_cmd_menuentry (grub_extcmd_context_t ctxt, int argc, char **args)
{
char ch;
char *src;
char *prefix;
+ char *old_prefix;
unsigned len;
grub_err_t r;
const char *users;
@@ -299,6 +336,19 @@ grub_cmd_menuentry (grub_extcmd_context_t ctxt,
int argc, char **args)
if (! prefix)
return grub_errno;
s/! prefix/!prefix
+ /* Prepend the menu title line. */
+ if (ctxt->state[6].arg)
+ {
+ old_prefix = prefix;
+ prefix = menutitle_prefix (old_prefix,
+ (ctxt->state[6].arg
+ && grub_strlen(ctxt->state[6].arg) > 0)
+ ? ctxt->state[6].arg : args[0]);
+ if (! prefix)
ditto
+ return grub_errno;
+ grub_free(old_prefix);
+ }
+
r = grub_normal_add_menu_entry (argc - 1, (const char **) args,
ctxt->state[0].args, ctxt->state[4].arg,
users,
Indentation looks off in couple of places. Please fix it.
Thanks,
Sudhakar
_______________________________________________
Grub-devel mailing list
Grub-devel@gnu.org
https://lists.gnu.org/mailman/listinfo/grub-devel
