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179 lines
4.0 KiB
C
179 lines
4.0 KiB
C
/*-
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* Copyright (c) 2018 Conrad Meyer <cem@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define _WANT_KERNEL_ERRNO 1
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#include <errno.h>
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#include <lua.h>
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#include "lauxlib.h"
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#include "lerrno.h"
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#ifndef nitems
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#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
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#endif
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/*
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* Populated with:
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* $ egrep "^#define.E" sys/sys/errno.h | \
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* awk '{ print "\tENTRY(" $2 ")," }' >> lerrno.c
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*/
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#define ENTRY(name) { #name, name }
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static const struct err_name_number {
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const char *err_name;
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int err_num;
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} errnoconstants[] = {
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ENTRY(EPERM),
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ENTRY(ENOENT),
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ENTRY(ESRCH),
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ENTRY(EINTR),
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ENTRY(EIO),
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ENTRY(ENXIO),
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ENTRY(E2BIG),
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ENTRY(ENOEXEC),
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ENTRY(EBADF),
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ENTRY(ECHILD),
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ENTRY(EDEADLK),
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ENTRY(ENOMEM),
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ENTRY(EACCES),
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ENTRY(EFAULT),
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ENTRY(ENOTBLK),
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ENTRY(EBUSY),
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ENTRY(EEXIST),
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ENTRY(EXDEV),
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ENTRY(ENODEV),
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ENTRY(ENOTDIR),
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ENTRY(EISDIR),
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ENTRY(EINVAL),
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ENTRY(ENFILE),
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ENTRY(EMFILE),
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ENTRY(ENOTTY),
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ENTRY(ETXTBSY),
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ENTRY(EFBIG),
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ENTRY(ENOSPC),
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ENTRY(ESPIPE),
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ENTRY(EROFS),
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ENTRY(EMLINK),
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ENTRY(EPIPE),
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ENTRY(EDOM),
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ENTRY(ERANGE),
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ENTRY(EAGAIN),
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ENTRY(EWOULDBLOCK),
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ENTRY(EINPROGRESS),
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ENTRY(EALREADY),
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ENTRY(ENOTSOCK),
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ENTRY(EDESTADDRREQ),
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ENTRY(EMSGSIZE),
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ENTRY(EPROTOTYPE),
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ENTRY(ENOPROTOOPT),
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ENTRY(EPROTONOSUPPORT),
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ENTRY(ESOCKTNOSUPPORT),
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ENTRY(EOPNOTSUPP),
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ENTRY(ENOTSUP),
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ENTRY(EPFNOSUPPORT),
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ENTRY(EAFNOSUPPORT),
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ENTRY(EADDRINUSE),
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ENTRY(EADDRNOTAVAIL),
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ENTRY(ENETDOWN),
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ENTRY(ENETUNREACH),
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ENTRY(ENETRESET),
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ENTRY(ECONNABORTED),
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ENTRY(ECONNRESET),
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ENTRY(ENOBUFS),
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ENTRY(EISCONN),
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ENTRY(ENOTCONN),
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ENTRY(ESHUTDOWN),
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ENTRY(ETOOMANYREFS),
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ENTRY(ETIMEDOUT),
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ENTRY(ECONNREFUSED),
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ENTRY(ELOOP),
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ENTRY(ENAMETOOLONG),
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ENTRY(EHOSTDOWN),
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ENTRY(EHOSTUNREACH),
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ENTRY(ENOTEMPTY),
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ENTRY(EPROCLIM),
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ENTRY(EUSERS),
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ENTRY(EDQUOT),
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ENTRY(ESTALE),
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ENTRY(EREMOTE),
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ENTRY(EBADRPC),
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ENTRY(ERPCMISMATCH),
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ENTRY(EPROGUNAVAIL),
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ENTRY(EPROGMISMATCH),
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ENTRY(EPROCUNAVAIL),
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ENTRY(ENOLCK),
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ENTRY(ENOSYS),
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ENTRY(EFTYPE),
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ENTRY(EAUTH),
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ENTRY(ENEEDAUTH),
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ENTRY(EIDRM),
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ENTRY(ENOMSG),
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ENTRY(EOVERFLOW),
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ENTRY(ECANCELED),
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ENTRY(EILSEQ),
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ENTRY(ENOATTR),
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ENTRY(EDOOFUS),
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ENTRY(EBADMSG),
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ENTRY(EMULTIHOP),
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ENTRY(ENOLINK),
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ENTRY(EPROTO),
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ENTRY(ENOTCAPABLE),
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ENTRY(ECAPMODE),
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ENTRY(ENOTRECOVERABLE),
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ENTRY(EOWNERDEAD),
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ENTRY(EINTEGRITY),
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ENTRY(ELAST),
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ENTRY(ERESTART),
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ENTRY(EJUSTRETURN),
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ENTRY(ENOIOCTL),
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ENTRY(EDIRIOCTL),
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ENTRY(ERELOOKUP),
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};
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#undef ENTRY
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static void
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lerrno_register(lua_State *L)
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{
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size_t i;
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for (i = 0; i < nitems(errnoconstants); i++) {
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lua_pushinteger(L, errnoconstants[i].err_num);
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lua_setfield(L, -2, errnoconstants[i].err_name);
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}
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}
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static const struct luaL_Reg errnolib[] = {
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/* Extra bogus entry required by luaL_newlib API */
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{ NULL, NULL },
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};
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int
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luaopen_errno(lua_State *L)
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{
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luaL_newlib(L, errnolib);
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lerrno_register(L);
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return 1;
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}
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