X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-introspect.c;h=92deb75dfdcb747ff16c4bcf363226a1c34bf4c9;hp=c04d9b51f774cf71908bcf6355329993757a8e86;hb=40ca29a1370379d43e44c0ed425eecc7218dcbca;hpb=77a874a3fb6f65d2308c20827f005c43bb075752

diff --git a/src/libsystemd-bus/bus-introspect.c b/src/libsystemd-bus/bus-introspect.c
index c04d9b51f..92deb75df 100644
--- a/src/libsystemd-bus/bus-introspect.c
+++ b/src/libsystemd-bus/bus-introspect.c
@@ -103,9 +103,9 @@ static int introspect_write_arguments(struct introspect *i, const char *signatur
                 fprintf(i->f, "   <arg type=\"%.*s\"", (int) l, signature);
 
                 if (direction)
-                        fprintf(i->f, " direction=\"%s\">\n", direction);
+                        fprintf(i->f, " direction=\"%s\"/>\n", direction);
                 else
-                        fputs(">\n", i->f);
+                        fputs("/>\n", i->f);
 
                 signature += l;
         }
@@ -129,8 +129,8 @@ int introspect_write_interface(struct introspect *i, const char *interface, cons
 
                 case _SD_BUS_VTABLE_METHOD:
                         fprintf(i->f, "  <method name=\"%s\">\n", v->x.method.member);
-                        introspect_write_arguments(i, v->x.method.signature, "in");
-                        introspect_write_arguments(i, v->x.method.result, "out");
+                        introspect_write_arguments(i, strempty(v->x.method.signature), "in");
+                        introspect_write_arguments(i, strempty(v->x.method.result), "out");
                         introspect_write_flags(i, v->type, v->flags);
                         fputs("  </method>\n", i->f);
                         break;
@@ -147,7 +147,7 @@ int introspect_write_interface(struct introspect *i, const char *interface, cons
 
                 case _SD_BUS_VTABLE_SIGNAL:
                         fprintf(i->f, "  <signal name=\"%s\">\n", v->x.signal.member);
-                        introspect_write_arguments(i, v->x.signal.signature, NULL);
+                        introspect_write_arguments(i, strempty(v->x.signal.signature), NULL);
                         introspect_write_flags(i, v->type, v->flags);
                         fputs("  </signal>\n", i->f);
                         break;