--- a/Meerwald/gen_xie2_sig.c	Wed Apr 16 15:55:52 2008 +0200
+++ b/Meerwald/gen_xie2_sig.c	Tue Apr 22 13:36:05 2008 +0200
@@ -125,14 +125,15 @@
     exit(1);
   }
 
-  if (argc == 1 && *argv[0] != '-')
+  if (argc == 1 && *argv[0] != '-') {
   if ((in = fopen(argv[0], "rb")) == NULL) {
     fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
     exit(1);
   }
   else
     strcpy(input_name, argv[0]);
-
+  }
+  
   if (sig) {
     char line[32];
     fgets(line, sizeof(line), sig);
@@ -170,7 +171,7 @@
       fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
       exit(1);
     }
-    close(sig);
+    fclose(sig);
   }
 
   if (s)
@@ -203,7 +204,7 @@
   fprintf(out, "%s\n", F);
   fprintf(out, "%d\n", q);
   fprintf(out, "%d\n", l);
-  fprintf(out, "%d\n", random());
+  fprintf(out, "%ld\n", random());
   fwrite(signature, sizeof(char), nb, out);
   fprintf(out, "\n");