asn1x: Fix assertion in loading of default integer

diff --git a/egg/egg-asn1x.c b/egg/egg-asn1x.c
index 1717127..5168e3f 100644 (file)
--- a/egg/egg-asn1x.c
+++ b/egg/egg-asn1x.c
@@ -2167,6 +2167,7 @@ anode_write_integer_ulong (gulong value,
        gint bytes, i, off;
        guchar *at;
        gboolean sign;
+       gsize len;
 
        for (i = 0; i < sizeof (gulong); ++i) {
                off = sizeof (gulong) - (i + 1);
@@ -2184,9 +2185,10 @@ anode_write_integer_ulong (gulong value,
        /* If the first byte would make this negative, then add a zero */
        at = buf + (sizeof (gulong) - bytes);
        sign = !!(at[0] & 0x80);
+       len = bytes + (sign ? 1 : 0);
 
        if (data) {
-               g_assert (*n_data >= bytes + 1);
+               g_assert (*n_data >= len);
                if (sign) {
                        data[0] = 0;
                        data++;
@@ -2194,7 +2196,7 @@ anode_write_integer_ulong (gulong value,
                memcpy (data, at, bytes);
        }
 
-       *n_data = bytes + (sign ? 1 : 0);
+       *n_data = len;
 }
 
 static GBytes *