Commit 32ecb86f authored by Emmanuele Bassi's avatar Emmanuele Bassi

Add length accessor for GRefString

Since we store the size of the allocation in the underlying ArcBox, we
can get a constant time getter for the length of the string.
parent 43b7a8f1
......@@ -3499,4 +3499,5 @@ g_ref_string_new
g_ref_string_new_intern
g_ref_string_acquire
g_ref_string_release
g_ref_string_length
</SECTION>
......@@ -173,3 +173,21 @@ g_ref_string_release (char *str)
g_arc_box_release_full (str, remove_if_interned);
}
/**
* g_ref_string_length:
* @str: a reference counted string
*
* Retrieves the length of @str.
*
* Returns: the length of the given string, in bytes
*
* Since: 2.58
*/
gsize
g_ref_string_length (char *str)
{
g_return_val_if_fail (str != NULL && *str != '\0', 0);
return g_arc_box_get_size (str) - 1;
}
......@@ -33,6 +33,9 @@ char * g_ref_string_acquire (char *str);
GLIB_AVAILABLE_IN_2_58
void g_ref_string_release (char *str);
GLIB_AVAILABLE_IN_2_58
gsize g_ref_string_length (char *str);
typedef char GRefString;
G_END_DECLS
......@@ -28,6 +28,7 @@ test_refstring_base (void)
g_test_message ("s = '%s' (%p)", s, s);
g_assert_cmpint (strcmp (s, "hello, world"), ==, 0);
g_assert_cmpint (strlen (s), ==, strlen ("hello, world"));
g_assert_cmpuint (g_ref_string_length (s), ==, strlen ("hello, world"));
g_ref_string_release (s);
}
......
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