libtt: Resolve coverity warnings

cde/lib/tt/bin/ttauth/process.c

@@ -231,10 +231,12 @@ static int original_umask = 0;		/* for restoring */
 static char *
 copystring(const char *src)
 {
-    int len = strlen (src);
+    int len;
     char *cp;
 
     if (!src) return NULL;
+    
+    len = strlen (src);
     cp = malloc (len + 1);
     if (cp)
 	strcpy (cp, src);
@@ -1256,6 +1258,7 @@ do_add(char *inputfilename, int lineno, int argc, char *argv[])
 		prefix (inputfilename, lineno);
 		fprintf (stderr,
 	       "protodata_hex contains odd number of or non-hex characters\n");
+		free(protodata);
 		return (1);
 	    }
 	}
@@ -1290,6 +1293,7 @@ do_add(char *inputfilename, int lineno, int argc, char *argv[])
 	    fprintf (stderr,
 	       "authdata_hex contains odd number of or non-hex characters\n");
 	    free (protodata);
+	    free (authdata);
 	    return (1);
 	}
     }

cde/lib/tt/bin/ttdbserverd/dm_server.C

@@ -239,6 +239,7 @@ _tt_get_record(int prefix_len, const char *prefix, const char *db_name, char *re
 	isfd = stat(dblong,&statbuf);
 	if (-1==isfd) {
 		_tt_syslog(errstr, LOG_ERR, "%s: %m", dblong);
+		free(db);
 		free(dblong);
 		return 0;
 	}
@@ -300,6 +301,7 @@ _tt_write_record(int prefix_len, const char *prefix, const char *db_name,
 	isfd = stat(dblong,&statbuf);
 	if (-1==isfd) {
 		_tt_syslog(errstr, LOG_ERR, "%s: %m", dblong);
+		free(db);
 		free(dblong);
 		return 0;
 	}

cde/lib/tt/bin/tttar/tttar_file_utils.C

@@ -248,6 +248,7 @@ realtrees( _Tt_string_list_ptr paths, bool_t follow_symlinks )
 					strncat( resolved_path_buf,
 						 base, MAXPATHLEN - len );
 				}
+				free(dir);
 			}
 		} else {
 			resolved_path = _tt_get_realpath( (char *)path,