core: Use global random object

We were pointlessly creating a new rand (and thus opening /dev/random)
on every temp file creation, but still using the global rand.
This commit is contained in:
Colin Walters 2011-12-22 11:23:16 -05:00
parent 0018b6d75f
commit 9bcd4ff8aa

View File

@ -822,8 +822,7 @@ create_tmp_string (const char *dirpath,
}
static char *
subst_xxxxxx (GRand *rand,
const char *string)
subst_xxxxxx (const char *string)
{
static const char table[] = "ABCEDEFGHIJKLMNOPQRSTUVWXYZabcedefghijklmnopqrstuvwxyz0123456789";
char *ret = g_strdup (string);
@ -856,15 +855,12 @@ ostree_create_temp_file_from_input (GFile *dir,
{
gboolean ret = FALSE;
GChecksum *ret_checksum = NULL;
GRand *rand = NULL;
GString *tmp_name = NULL;
char *possible_name = NULL;
GFile *possible_file = NULL;
GError *temp_error = NULL;
int i = 0;
rand = g_rand_new ();
tmp_name = create_tmp_string (ot_gfile_get_path_cached (dir),
prefix, suffix);
@ -872,7 +868,7 @@ ostree_create_temp_file_from_input (GFile *dir,
for (i = 0; i < 128; i++)
{
g_free (possible_name);
possible_name = subst_xxxxxx (rand, tmp_name->str);
possible_name = subst_xxxxxx (tmp_name->str);
g_clear_object (&possible_file);
possible_file = ot_gfile_new_for_path (possible_name);
@ -908,8 +904,6 @@ ostree_create_temp_file_from_input (GFile *dir,
ot_transfer_out_value(out_checksum, &ret_checksum);
ot_transfer_out_value(out_file, &possible_file);
out:
if (rand)
g_rand_free (rand);
if (tmp_name)
g_string_free (tmp_name, TRUE);
g_free (possible_name);