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- /* Copyright (C) 1993 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <stdio.h>
- #include <string.h>
- #include <mach/error.h>
- #include <mach/errorlib.h>
-
- /* Return a string describing the errno code in ERRNUM. */
- char *
- DEFUN(_strerror_internal, (errnum, buf), int errnum AND char buf[1024])
- {
- int system;
- int sub;
- int code;
- const struct error_system *es;
- extern void __mach_error_map_compat (int *);
-
- __mach_error_map_compat (&errnum);
-
- system = err_get_system (errnum);
- sub = err_get_sub (errnum);
- code = err_get_code (errnum);
-
- if (system > err_max_system)
- {
- sprintf (buf, "Unknown error system %d", system);
- return buf;
- }
-
- es = &__mach_error_systems[system];
-
- if (sub >= es->max_sub)
- return (char *) es->bad_sub;
-
- if (code >= es->subsystem[sub].max_code)
- {
- sprintf (buf, "Unknown error %d in system %d subsystem %d",
- code, system, sub);
- return buf;
- }
-
- return (char *) es->subsystem[sub].codes[code];
- }
-