cooker, seitan: fix some bugs for op call

cooker:
 - added missing OP_CALL type
 - local copy of the offset for the type STRUCT
 - fix return offset
 - added type LONG in emit_data

seitan:
 - check context if NULL
 - fix ptr dereference
 - added a couple of debug print
 - added error message in seitan for eval

1 files changed, 2 insertions, 1 deletions

diff --git a/seitan.c b/seitan.c
index fff820c..30772df 100644
--- a/seitan.c
+++ b/seitan.c
@@ -238,7 +238,8 @@ int main(int argc, char **argv)
 				/* The notifier fd was closed by the target */
 				running = false;
 			} else if (notifier == events[i].data.fd) {
-				eval(&g, req, notifier);
+				if (eval(&g, req, notifier) == -1 )
+					err("  an error occured during the evaluation");
 			}
 		}
 	}