senfscons: Fix 'Object' build helper to work with empty source list in SCons 0.96.1

[senf.git] / Packets / PacketParser.mpp

diff --git a/Packets/PacketParser.mpp b/Packets/PacketParser.mpp
index 581ef30..c9c112e 100644 (file)
--- a/Packets/PacketParser.mpp
+++ b/Packets/PacketParser.mpp
@@ -65,8 +65,8 @@
 # define SENF_PACKET_PARSER_I_INITSIZE_C(_0,_1,n,elt)                                             \
      BOOST_PP_IF(n,+,) senf::init_bytes< SENF_PACKET_PARSER_I_GET_TYPE(elt) >::value
 #     
-# define SENF_PACKET_PARSER_I_DEFINE_FIELDS(fields)                                               \
-     size_type offset_0_() const { return 0; }                                                    \
+# define SENF_PACKET_PARSER_I_DEFINE_FIELDS(offset,fields)                                        \
+     size_type offset_0_() const { return offset; }                                               \
      BOOST_PP_SEQ_FOR_EACH_I(SENF_PACKET_PARSER_I_FIELD_C, _, fields)                             \
      size_type bytes() const {                                                                    \
          return BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_SEQ_SIZE(fields),_)) ();               \
@@ -82,8 +82,8 @@
      BOOST_PP_EXPAND(                                                                             \
          SENF_PACKET_PARSER_I_FIXED_FIELD_DISPATCH SENF_PACKET_PARSER_I_UNWRAP(n,elt))
 # 
-# define SENF_PACKET_PARSER_I_DEFINE_FIXED_FIELDS(fields)                                         \
-     static const size_type offset_0_ = 0;                                                        \
+# define SENF_PACKET_PARSER_I_DEFINE_FIXED_FIELDS(offset,fields)                                  \
+     static const size_type offset_0_ = offset;                                                   \
      BOOST_PP_SEQ_FOR_EACH_I(SENF_PACKET_PARSER_I_FIXED_FIELD_C, _, fields)                       \
      static const size_type fixed_bytes =                                                         \
          BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_SEQ_SIZE(fields),_));                         \
@@ -101,7 +101,7 @@
          return BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_)) () + senf::bytes( name () );              \
      }                                                                                            \
      size_type BOOST_PP_CAT(name, _offset) () const {                                             \
-         return BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_)) () ;                        \
+         return BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_)) () ;                                      \
      }
 # 
 # define SENF_PACKET_PARSER_I_FIXED_Field(n,name,type)                                            \
@@ -112,7 +112,7 @@
      static const size_type BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_)) =               \
          BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_)) + type::fixed_bytes;                             \
      static const size_type BOOST_PP_CAT(name,_offset) =                                          \
-         BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_));
+         BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_));
 # 
 # define SENF_PACKET_PARSER_I_OverlayField(n,name,type)                                           \
      typedef type BOOST_PP_CAT(name,_t) ;                                                         \
@@ -123,7 +123,7 @@
          return BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_)) ();                                       \
      }                                                                                            \
      size_type BOOST_PP_CAT(name, _offset) () const {                                             \
-         return BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_)) () ;                        \
+         return BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_)) () ;                        \
      }
 # 
 # define SENF_PACKET_PARSER_I_FIXED_OverlayField(n,name,type)                                     \
@@ -134,7 +134,7 @@
      static const size_type BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_)) =               \
          BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_));                                                 \
      static const size_type BOOST_PP_CAT(name,_offset) =                                          \
-         BOOST_PP_CAT(offset_,BOOST_PP_CAT(BOOST_PP_INC(n),_));
+         BOOST_PP_CAT(offset_,BOOST_PP_CAT(n,_));
 # 
 # ///////////////////////////////mpp.e///////////////////////////////////////
 # endif