X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fgrub2%2Fscript.c;h=2aaf1d3d2cb1495a63c48fe7d31f72882d921b52;hb=a2d0866fc8a366700d256f0f8ae8075956057fe4;hp=d0b824aebcb9965e63d2ec0d0cb631da0a2dfc5d;hpb=ffc167572a9d56c52908aebefe62ba3e3e2a9cf8;p=petitboot

diff --git a/discover/grub2/script.c b/discover/grub2/script.c
index d0b824a..2aaf1d3 100644
--- a/discover/grub2/script.c
+++ b/discover/grub2/script.c
@@ -23,8 +23,8 @@
 	container_of(stmt, struct grub2_statement_conditional, st)
 
 struct env_entry {
-	const char		*name;
-	const char		*value;
+	char			*name;
+	char			*value;
 	struct list_item	list;
 };
 
@@ -35,6 +35,8 @@ struct grub2_symtab_entry {
 	struct list_item	list;
 };
 
+static const char *default_prefix = "/boot/grub";
+
 static struct grub2_symtab_entry *script_lookup_function(
 		struct grub2_script *script, const char *name)
 {
@@ -73,11 +75,13 @@ void script_env_set(struct grub2_script *script,
 
 	if (!entry) {
 		entry = talloc(script, struct env_entry);
-		entry->name = name;
+		entry->name = talloc_strdup(entry, name);
 		list_add(&script->environment, &entry->list);
+	} else {
+		talloc_free(entry->value);
 	}
 
-	entry->value = value;
+	entry->value = talloc_strdup(entry, value);
 }
 
 static bool expand_var(struct grub2_script *script, struct grub2_word *word)
@@ -401,7 +405,7 @@ static void init_env(struct grub2_script *script)
 
 	env = talloc(script, struct env_entry);
 	env->name = talloc_strdup(env, "prefix");
-	env->value = talloc_strdup(env, "/");
+	env->value = talloc_strdup(env, default_prefix);
 
 	list_add(&script->environment, &env->list);
 }