diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/xpg-strerror.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/xpg-strerror.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/xpg-strerror.c b/REORG.TODO/sysdeps/mach/xpg-strerror.c new file mode 100644 index 0000000000..44d22cc266 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/xpg-strerror.c @@ -0,0 +1,72 @@ +/* Copyright (C) 1993-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <libintl.h> +#include <stdio.h> +#include <string.h> +#include <mach/error.h> +#include <errorlib.h> +#include <sys/param.h> +#include <_itoa.h> + +/* It is critical here that we always use the `dcgettext' function for + the message translation. Since <libintl.h> only defines the macro + `dgettext' to use `dcgettext' for optimizing programs this is not + always guaranteed. */ +#ifndef dgettext +# include <locale.h> /* We need LC_MESSAGES. */ +# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES) +#endif + +/* Fill buf with a string describing the errno code in ERRNUM. */ +int +__xpg_strerror_r (int errnum, char *buf, size_t buflen) +{ + int system; + int sub; + int code; + const struct error_system *es; + extern void __mach_error_map_compat (int *); + const char *estr; + + __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 || ! __mach_error_systems[system].bad_sub) + return EINVAL; + + es = &__mach_error_systems[system]; + + if (sub >= es->max_sub) + estr = (const char *) es->bad_sub; + else if (code >= es->subsystem[sub].max_code) + return EINVAL; + else + estr = (const char *) _(es->subsystem[sub].codes[code]); + + size_t estrlen = strlen (estr) + 1; + + if (buflen < estrlen) + return ERANGE; + + memcpy (buf, estr, estrlen); + return 0; +} |