[gjs] Bug 586760: Support converting JavaScript doubles to DBus int64/uint64.

[C. Scott Ananian <cananian src gnome org>]

commit af5265cfdf1277607b00c8485fe574a4006082c5
Author: C. Scott Ananian <cscott litl com>
Date:   Tue Jun 23 10:55:22 2009 -0400

    Bug 586760: Support converting JavaScript doubles to DBus int64/uint64.
    
    The other direction is sketchy (may involve loss of precision) but all
    valid JavaScript integers can fit in a DBus int64/uint64.

 modules/dbus-values.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/modules/dbus-values.c b/modules/dbus-values.c
index 1a6561a..04fb6d4 100644
--- a/modules/dbus-values.c
+++ b/modules/dbus-values.c
@@ -447,6 +447,20 @@ append_int32(JSContext       *context,
             append_basic_maybe_in_variant(iter, forced_type, &v_BYTE, FALSE);
         }
         break;
+    // All JavaScript integers can be converted to DBus INT64/UINT64
+    // (just not the other way 'round)
+    case DBUS_TYPE_INT64:
+        {
+            dbus_int64_t v_INT64 = v_INT32;
+            append_basic_maybe_in_variant(iter, forced_type, &v_INT64, FALSE);
+        }
+        break;
+    case DBUS_TYPE_UINT64:
+        {
+            dbus_uint64_t v_UINT64 = v_INT32;
+            append_basic_maybe_in_variant(iter, forced_type, &v_UINT64, FALSE);
+        }
+        break;
     default:
         gjs_throw(context,
                   "JavaScript Integer can't be converted to dbus type '%c'",
@@ -485,6 +499,20 @@ append_double(JSContext       *context,
             append_basic_maybe_in_variant(iter, forced_type, &v_UINT32, FALSE);
         }
         break;
+    // All JavaScript integers can be converted to DBus INT64/UINT64
+    // (just not the other way 'round)
+    case DBUS_TYPE_INT64:
+        {
+            dbus_int64_t v_INT64 = v_DOUBLE;
+            append_basic_maybe_in_variant(iter, forced_type, &v_INT64, FALSE);
+        }
+        break;
+    case DBUS_TYPE_UINT64:
+        {
+            dbus_uint64_t v_UINT64 = v_DOUBLE;
+            append_basic_maybe_in_variant(iter, forced_type, &v_UINT64, FALSE);
+        }
+        break;
     default:
         gjs_throw(context,
                   "JavaScript Number can't be converted to dbus type '%c'",