From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/mach/_strerror.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 sysdeps/mach/_strerror.c (limited to 'sysdeps/mach/_strerror.c') diff --git a/sysdeps/mach/_strerror.c b/sysdeps/mach/_strerror.c new file mode 100644 index 0000000000..4740902a10 --- /dev/null +++ b/sysdeps/mach/_strerror.c @@ -0,0 +1,60 @@ +/* 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 +#include +#include +#include +#include + +/* 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]; +} -- cgit v1.2.3