351 lines
8.8 KiB
C
351 lines
8.8 KiB
C
/* 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
|