--- /dev/null
+/* strerror-override.c --- POSIX compatible system error routine
+
+ Copyright (C) 2010-2011 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/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+
+#include "strerror-override.h"
+
+#include <errno.h>
+
+#if GNULIB_defined_ESOCK /* native Windows platforms */
+# if HAVE_WINSOCK2_H
+# include <winsock2.h>
+# endif
+#endif
+
+/* This undefine allows testing with gl_cv_header_errno_h_complete=no on
+ a system that otherwise has a complete errno.h. */
+#undef strerror_override
+
+/* If ERRNUM maps to an errno value defined by gnulib, return a string
+ describing the error. Otherwise return NULL. */
+const char *
+strerror_override (int errnum)
+{
+ const char *msg = NULL;
+
+#if GNULIB_defined_ETXTBSY \
+ || GNULIB_defined_ESOCK \
+ || GNULIB_defined_ENOMSG \
+ || GNULIB_defined_EIDRM \
+ || GNULIB_defined_ENOLINK \
+ || GNULIB_defined_EPROTO \
+ || GNULIB_defined_EMULTIHOP \
+ || GNULIB_defined_EBADMSG \
+ || GNULIB_defined_EOVERFLOW \
+ || GNULIB_defined_ENOTSUP \
+ || GNULIB_defined_ESTALE \
+ || GNULIB_defined_EDQUOT \
+ || GNULIB_defined_ECANCELED
+ /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */
+ switch (errnum)
+ {
+# 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_EDQUOT
+ case EDQUOT:
+ msg = "Disk quota exceeded";
+ break;
+# endif
+
+# if GNULIB_defined_ECANCELED
+ case ECANCELED:
+ msg = "Operation canceled";
+ break;
+# endif
+ }
+#endif
+
+ return msg;
+}
projects / gnulib.git / blobdiff