Simplify xd_signature to pacify GCC 9

* src/dbusbind.c (xd_signature): Use simpler way to set up
the subsignature.  This also pacifies GCC 9 on Fedora 30 x86-64.
Backport from master.
This commit is contained in:
Paul Eggert 2019-05-30 15:06:39 -07:00
parent b2e44b4246
commit d93f4bda7a

View file

@ -346,7 +346,6 @@ xd_signature (char *signature, int dtype, int parent_type, Lisp_Object object)
int subtype;
Lisp_Object elt;
char const *subsig;
int subsiglen;
char x[DBUS_MAXIMUM_SIGNATURE_LENGTH];
elt = object;
@ -428,10 +427,9 @@ xd_signature (char *signature, int dtype, int parent_type, Lisp_Object object)
elt = CDR_SAFE (XD_NEXT_VALUE (elt));
}
subsiglen = snprintf (signature, DBUS_MAXIMUM_SIGNATURE_LENGTH,
"%c%s", dtype, subsig);
if (! (0 <= subsiglen && subsiglen < DBUS_MAXIMUM_SIGNATURE_LENGTH))
string_overflow ();
signature[0] = dtype;
signature[1] = '\0';
xd_signature_cat (signature, subsig);
break;
case DBUS_TYPE_VARIANT: