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grub/grub-core/gnulib/strerror.c

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/* strerror.c --- POSIX compatible system error routine
Copyright (C) 2007-2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <string.h>
#if REPLACE_STRERROR
# include <errno.h>
# include <stdio.h>
# if GNULIB_defined_ESOCK /* native Windows platforms */
# if HAVE_WINSOCK2_H
# include <winsock2.h>
# endif
# endif
# include "intprops.h"
/* Use the system functions, not the gnulib overrides in this file. */
# undef sprintf
# undef strerror
# if ! HAVE_DECL_STRERROR
# define strerror(n) NULL
# endif
char *
rpl_strerror (int n)
{
char const *msg = NULL;
/* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */
switch (n)
{
# if GNULIB_defined_ETXTBSY
case ETXTBSY:
msg = "Text file busy";
break;
# endif
# if GNULIB_defined_ESOCK /* native Windows platforms */
/* EWOULDBLOCK is the same as EAGAIN. */
case EINPROGRESS:
msg = "Operation now in progress";
break;
case EALREADY:
msg = "Operation already in progress";
break;
case ENOTSOCK:
msg = "Socket operation on non-socket";
break;
case EDESTADDRREQ:
msg = "Destination address required";
break;
case EMSGSIZE:
msg = "Message too long";
break;
case EPROTOTYPE:
msg = "Protocol wrong type for socket";
break;
case ENOPROTOOPT:
msg = "Protocol not available";
break;
case EPROTONOSUPPORT:
msg = "Protocol not supported";
break;
case ESOCKTNOSUPPORT:
msg = "Socket type not supported";
break;
case EOPNOTSUPP:
msg = "Operation not supported";
break;
case EPFNOSUPPORT:
msg = "Protocol family not supported";
break;
case EAFNOSUPPORT:
msg = "Address family not supported by protocol";
break;
case EADDRINUSE:
msg = "Address already in use";
break;
case EADDRNOTAVAIL:
msg = "Cannot assign requested address";
break;
case ENETDOWN:
msg = "Network is down";
break;
case ENETUNREACH:
msg = "Network is unreachable";
break;
case ENETRESET:
msg = "Network dropped connection on reset";
break;
case ECONNABORTED:
msg = "Software caused connection abort";
break;
case ECONNRESET:
msg = "Connection reset by peer";
break;
case ENOBUFS:
msg = "No buffer space available";
break;
case EISCONN:
msg = "Transport endpoint is already connected";
break;
case ENOTCONN:
msg = "Transport endpoint is not connected";
break;
case ESHUTDOWN:
msg = "Cannot send after transport endpoint shutdown";
break;
case ETOOMANYREFS:
msg = "Too many references: cannot splice";
break;
case ETIMEDOUT:
msg = "Connection timed out";
break;
case ECONNREFUSED:
msg = "Connection refused";
break;
case ELOOP:
msg = "Too many levels of symbolic links";
break;
case EHOSTDOWN:
msg = "Host is down";
break;
case EHOSTUNREACH:
msg = "No route to host";
break;
case EPROCLIM:
msg = "Too many processes";
break;
case EUSERS:
msg = "Too many users";
break;
case EDQUOT:
msg = "Disk quota exceeded";
break;
case ESTALE:
msg = "Stale NFS file handle";
break;
case EREMOTE:
msg = "Object is remote";
break;
# if HAVE_WINSOCK2_H
/* WSA_INVALID_HANDLE maps to EBADF */
/* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */
/* WSA_INVALID_PARAMETER maps to EINVAL */
case WSA_OPERATION_ABORTED:
msg = "Overlapped operation aborted";
break;
case WSA_IO_INCOMPLETE:
msg = "Overlapped I/O event object not in signaled state";
break;
case WSA_IO_PENDING:
msg = "Overlapped operations will complete later";
break;
/* WSAEINTR maps to EINTR */
/* WSAEBADF maps to EBADF */
/* WSAEACCES maps to EACCES */
/* WSAEFAULT maps to EFAULT */
/* WSAEINVAL maps to EINVAL */
/* WSAEMFILE maps to EMFILE */
/* WSAEWOULDBLOCK maps to EWOULDBLOCK */
/* WSAEINPROGRESS is EINPROGRESS */
/* WSAEALREADY is EALREADY */
/* WSAENOTSOCK is ENOTSOCK */
/* WSAEDESTADDRREQ is EDESTADDRREQ */
/* WSAEMSGSIZE is EMSGSIZE */
/* WSAEPROTOTYPE is EPROTOTYPE */
/* WSAENOPROTOOPT is ENOPROTOOPT */
/* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */
/* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */
/* WSAEOPNOTSUPP is EOPNOTSUPP */
/* WSAEPFNOSUPPORT is EPFNOSUPPORT */
/* WSAEAFNOSUPPORT is EAFNOSUPPORT */
/* WSAEADDRINUSE is EADDRINUSE */
/* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */
/* WSAENETDOWN is ENETDOWN */
/* WSAENETUNREACH is ENETUNREACH */
/* WSAENETRESET is ENETRESET */
/* WSAECONNABORTED is ECONNABORTED */
/* WSAECONNRESET is ECONNRESET */
/* WSAENOBUFS is ENOBUFS */
/* WSAEISCONN is EISCONN */
/* WSAENOTCONN is ENOTCONN */
/* WSAESHUTDOWN is ESHUTDOWN */
/* WSAETOOMANYREFS is ETOOMANYREFS */
/* WSAETIMEDOUT is ETIMEDOUT */
/* WSAECONNREFUSED is ECONNREFUSED */
/* WSAELOOP is ELOOP */
/* WSAENAMETOOLONG maps to ENAMETOOLONG */
/* WSAEHOSTDOWN is EHOSTDOWN */
/* WSAEHOSTUNREACH is EHOSTUNREACH */
/* WSAENOTEMPTY maps to ENOTEMPTY */
/* WSAEPROCLIM is EPROCLIM */
/* WSAEUSERS is EUSERS */
/* WSAEDQUOT is EDQUOT */
/* WSAESTALE is ESTALE */
/* WSAEREMOTE is EREMOTE */
case WSASYSNOTREADY:
msg = "Network subsystem is unavailable";
break;
case WSAVERNOTSUPPORTED:
msg = "Winsock.dll version out of range";
break;
case WSANOTINITIALISED:
msg = "Successful WSAStartup not yet performed";
break;
case WSAEDISCON:
msg = "Graceful shutdown in progress";
break;
case WSAENOMORE: case WSA_E_NO_MORE:
msg = "No more results";
break;
case WSAECANCELLED: case WSA_E_CANCELLED:
msg = "Call was canceled";
break;
case WSAEINVALIDPROCTABLE:
msg = "Procedure call table is invalid";
break;
case WSAEINVALIDPROVIDER:
msg = "Service provider is invalid";
break;
case WSAEPROVIDERFAILEDINIT:
msg = "Service provider failed to initialize";
break;
case WSASYSCALLFAILURE:
msg = "System call failure";
break;
case WSASERVICE_NOT_FOUND:
msg = "Service not found";
break;
case WSATYPE_NOT_FOUND:
msg = "Class type not found";
break;
case WSAEREFUSED:
msg = "Database query was refused";
break;
case WSAHOST_NOT_FOUND:
msg = "Host not found";
break;
case WSATRY_AGAIN:
msg = "Nonauthoritative host not found";
break;
case WSANO_RECOVERY:
msg = "Nonrecoverable error";
break;
case WSANO_DATA:
msg = "Valid name, no data record of requested type";
break;
/* WSA_QOS_* omitted */
# endif
# endif
# if GNULIB_defined_ENOMSG
case ENOMSG:
msg = "No message of desired type";
break;
# endif
# if GNULIB_defined_EIDRM
case EIDRM:
msg = "Identifier removed";
break;
# endif
# if GNULIB_defined_ENOLINK
case ENOLINK:
msg = "Link has been severed";
break;
# endif
# if GNULIB_defined_EPROTO
case EPROTO:
msg = "Protocol error";
break;
# endif
# if GNULIB_defined_EMULTIHOP
case EMULTIHOP:
msg = "Multihop attempted";
break;
# endif
# if GNULIB_defined_EBADMSG
case EBADMSG:
msg = "Bad message";
break;
# endif
# if GNULIB_defined_EOVERFLOW
case EOVERFLOW:
msg = "Value too large for defined data type";
break;
# endif
# if GNULIB_defined_ENOTSUP
case ENOTSUP:
msg = "Not supported";
break;
# endif
# if GNULIB_defined_ESTALE
case ESTALE:
msg = "Stale NFS file handle";
break;
# endif
# if GNULIB_defined_ECANCELED
case ECANCELED:
msg = "Operation canceled";
break;
# endif
}
if (msg)
return (char *) msg;
{
char *result = strerror (n);
if (result == NULL || result[0] == '\0')
{
static char const fmt[] = "Unknown error (%d)";
static char msg_buf[sizeof fmt + INT_STRLEN_BOUND (n)];
sprintf (msg_buf, fmt, n);
return msg_buf;
}
return result;
}
}
#endif
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