that was read. */
#ifdef __MSDOS__
/* No leading dots in file names are allowed on MSDOS. */
- history_filename = concat (current_directory, "/_gdb_history", NULL);
+ history_filename = concat (current_directory, "/_gdb_history",
+ (char *)NULL);
#else
- history_filename = concat (current_directory, "/.gdb_history", NULL);
+ history_filename = concat (current_directory, "/.gdb_history",
+ (char *)NULL);
#endif
}
read_history (history_filename);