#include <sys/types.h>
#include <string.h>
+#include <stdlib.h>
+#include <log/log.h>
#include <types/types.h>
#include <talloc/talloc.h>
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;
};
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)
{
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)
return c == ' ' || c == '\t';
}
+static bool option_is_default(struct grub2_script *script,
+ struct discover_boot_option *opt)
+{
+ unsigned int default_idx;
+ const char *var;
+ char *end;
+
+ var = script_env_get(script, "default");
+ if (!var)
+ return false;
+
+ default_idx = strtoul(var, &end, 10);
+ if (end != var && *end == '\0')
+ return default_idx == script->n_options;
+
+ return !strcmp(opt->option->name, var);
+}
+
/* For non-double-quoted variable expansions, we may need to split the
* variable's value into multiple argv items.
*
entry = script_lookup_function(script, st->argv->argv[0]);
if (!entry) {
- fprintf(stderr, "undefined function '%s'\n", st->argv->argv[0]);
+ pb_log("grub2: undefined function '%s'\n", st->argv->argv[0]);
return 1;
}
struct grub2_statement_if *st = to_stmt_if(statement);
struct grub2_statement *conditional;
bool executed;
- int rc;
+ int rc = 0;
list_for_each_entry(&st->conditionals->list, conditional, list) {
rc = statement_conditional_execute(script,
statements_execute(script, st->statements);
+ opt->option->is_default = option_is_default(script, opt);
+
discover_context_add_boot_option(script->ctx, opt);
+ script->n_options++;
script->opt = NULL;
return 0;
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);
}
{
struct grub2_script *script;
- script = talloc(parser, struct grub2_script);
+ script = talloc_zero(parser, struct grub2_script);
init_env(script);
script->ctx = ctx;
- script->opt = NULL;
list_init(&script->symtab);
register_builtins(script);