Import Upstream version 2.72.4
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392
gio/gioerror.c
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392
gio/gioerror.c
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <errno.h>
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#include "gioerror.h"
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#ifdef G_OS_WIN32
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#include <winsock2.h>
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#endif
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/**
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* SECTION:gioerror
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* @short_description: Error helper functions
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* @include: gio/gio.h
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*
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* Contains helper functions for reporting errors to the user.
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**/
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/**
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* g_io_error_quark:
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*
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* Gets the GIO Error Quark.
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*
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* Returns: a #GQuark.
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**/
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G_DEFINE_QUARK (g-io-error-quark, g_io_error)
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/**
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* g_io_error_from_errno:
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* @err_no: Error number as defined in errno.h.
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*
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* Converts errno.h error codes into GIO error codes. The fallback
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* value %G_IO_ERROR_FAILED is returned for error codes not currently
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* handled (but note that future GLib releases may return a more
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* specific value instead).
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*
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* As %errno is global and may be modified by intermediate function
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* calls, you should save its value as soon as the call which sets it
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* returns:
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* |[
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* int saved_errno;
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*
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* ret = read (blah);
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* saved_errno = errno;
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*
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* g_io_error_from_errno (saved_errno);
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* ]|
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*
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* Returns: #GIOErrorEnum value for the given errno.h error number.
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**/
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GIOErrorEnum
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g_io_error_from_errno (gint err_no)
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{
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switch (err_no)
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{
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#ifdef EEXIST
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case EEXIST:
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return G_IO_ERROR_EXISTS;
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break;
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#endif
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#ifdef EISDIR
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case EISDIR:
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return G_IO_ERROR_IS_DIRECTORY;
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break;
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#endif
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#ifdef EACCES
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case EACCES:
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return G_IO_ERROR_PERMISSION_DENIED;
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break;
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#endif
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#ifdef ENAMETOOLONG
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case ENAMETOOLONG:
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return G_IO_ERROR_FILENAME_TOO_LONG;
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break;
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#endif
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#ifdef ENOENT
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case ENOENT:
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return G_IO_ERROR_NOT_FOUND;
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break;
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#endif
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#ifdef ENOTDIR
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case ENOTDIR:
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return G_IO_ERROR_NOT_DIRECTORY;
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break;
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#endif
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#ifdef ENXIO
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case ENXIO:
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return G_IO_ERROR_NOT_REGULAR_FILE;
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break;
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#endif
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#ifdef EROFS
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case EROFS:
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return G_IO_ERROR_READ_ONLY;
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break;
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#endif
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#ifdef EMLINK
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case EMLINK:
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return G_IO_ERROR_TOO_MANY_LINKS;
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break;
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#endif
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#ifdef ELOOP
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case ELOOP:
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return G_IO_ERROR_TOO_MANY_LINKS;
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break;
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#endif
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#ifdef ENOSPC
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case ENOSPC:
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return G_IO_ERROR_NO_SPACE;
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break;
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#endif
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#ifdef ENOMEM
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case ENOMEM:
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return G_IO_ERROR_NO_SPACE;
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break;
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#endif
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#ifdef EINVAL
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case EINVAL:
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return G_IO_ERROR_INVALID_ARGUMENT;
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break;
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#endif
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#ifdef EPERM
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case EPERM:
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return G_IO_ERROR_PERMISSION_DENIED;
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break;
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#endif
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#ifdef ECANCELED
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case ECANCELED:
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return G_IO_ERROR_CANCELLED;
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break;
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#endif
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/* ENOTEMPTY == EEXIST on AIX for backward compatibility reasons */
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#if defined (ENOTEMPTY) && (!defined (EEXIST) || (ENOTEMPTY != EEXIST))
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case ENOTEMPTY:
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return G_IO_ERROR_NOT_EMPTY;
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break;
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#endif
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#ifdef ENOTSUP
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case ENOTSUP:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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/* EOPNOTSUPP == ENOTSUP on Linux, but POSIX considers them distinct */
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#if defined (EOPNOTSUPP) && (!defined (ENOTSUP) || (EOPNOTSUPP != ENOTSUP))
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case EOPNOTSUPP:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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#ifdef EPROTONOSUPPORT
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case EPROTONOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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#ifdef ESOCKTNOSUPPORT
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case ESOCKTNOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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#ifdef EPFNOSUPPORT
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case EPFNOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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#ifdef EAFNOSUPPORT
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case EAFNOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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break;
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#endif
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#ifdef ETIMEDOUT
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case ETIMEDOUT:
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return G_IO_ERROR_TIMED_OUT;
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break;
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#endif
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#ifdef EBUSY
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case EBUSY:
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return G_IO_ERROR_BUSY;
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break;
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#endif
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#ifdef ETXTBSY
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case ETXTBSY:
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return G_IO_ERROR_BUSY;
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break;
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#endif
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#ifdef EWOULDBLOCK
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case EWOULDBLOCK:
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return G_IO_ERROR_WOULD_BLOCK;
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break;
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#endif
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/* EWOULDBLOCK == EAGAIN on most systems, but POSIX considers them distinct */
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#if defined (EAGAIN) && (!defined (EWOULDBLOCK) || (EWOULDBLOCK != EAGAIN))
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case EAGAIN:
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return G_IO_ERROR_WOULD_BLOCK;
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break;
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#endif
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#ifdef EMFILE
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case EMFILE:
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return G_IO_ERROR_TOO_MANY_OPEN_FILES;
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break;
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#endif
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#ifdef EADDRINUSE
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case EADDRINUSE:
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return G_IO_ERROR_ADDRESS_IN_USE;
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break;
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#endif
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#ifdef EHOSTUNREACH
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case EHOSTUNREACH:
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return G_IO_ERROR_HOST_UNREACHABLE;
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break;
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#endif
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#ifdef ENETUNREACH
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case ENETUNREACH:
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return G_IO_ERROR_NETWORK_UNREACHABLE;
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break;
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#endif
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#ifdef ECONNREFUSED
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case ECONNREFUSED:
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return G_IO_ERROR_CONNECTION_REFUSED;
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break;
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#endif
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#ifdef EPIPE
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case EPIPE:
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return G_IO_ERROR_BROKEN_PIPE;
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break;
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#endif
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#ifdef ECONNRESET
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case ECONNRESET:
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return G_IO_ERROR_CONNECTION_CLOSED;
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break;
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#endif
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#ifdef ENOTCONN
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case ENOTCONN:
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return G_IO_ERROR_NOT_CONNECTED;
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break;
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#endif
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#ifdef EMSGSIZE
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case EMSGSIZE:
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return G_IO_ERROR_MESSAGE_TOO_LARGE;
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break;
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#endif
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#ifdef ENOTSOCK
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case ENOTSOCK:
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return G_IO_ERROR_INVALID_ARGUMENT;
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break;
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#endif
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default:
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return G_IO_ERROR_FAILED;
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break;
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}
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}
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#ifdef G_OS_WIN32
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/**
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* g_io_error_from_win32_error:
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* @error_code: Windows error number.
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*
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* Converts some common error codes (as returned from GetLastError()
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* or WSAGetLastError()) into GIO error codes. The fallback value
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* %G_IO_ERROR_FAILED is returned for error codes not currently
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* handled (but note that future GLib releases may return a more
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* specific value instead).
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*
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* You can use g_win32_error_message() to get a localized string
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* corresponding to @error_code. (But note that unlike g_strerror(),
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* g_win32_error_message() returns a string that must be freed.)
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*
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* Returns: #GIOErrorEnum value for the given error number.
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*
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* Since: 2.26
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**/
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GIOErrorEnum
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g_io_error_from_win32_error (gint error_code)
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{
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/* Note: Winsock errors are a subset of Win32 error codes as a
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* whole. (The fact that the Winsock API makes them look like they
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* aren't is just because the API predates Win32.)
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*/
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switch (error_code)
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{
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case WSAEADDRINUSE:
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return G_IO_ERROR_ADDRESS_IN_USE;
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case WSAEWOULDBLOCK:
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return G_IO_ERROR_WOULD_BLOCK;
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case WSAEACCES:
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return G_IO_ERROR_PERMISSION_DENIED;
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case WSA_INVALID_HANDLE:
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case WSA_INVALID_PARAMETER:
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case WSAEINVAL:
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case WSAEBADF:
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case WSAENOTSOCK:
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return G_IO_ERROR_INVALID_ARGUMENT;
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case WSAEPROTONOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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case WSAECANCELLED:
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return G_IO_ERROR_CANCELLED;
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case WSAESOCKTNOSUPPORT:
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case WSAEOPNOTSUPP:
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case WSAEPFNOSUPPORT:
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case WSAEAFNOSUPPORT:
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return G_IO_ERROR_NOT_SUPPORTED;
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case WSAECONNRESET:
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case WSAENETRESET:
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case WSAESHUTDOWN:
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return G_IO_ERROR_CONNECTION_CLOSED;
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case WSAEHOSTUNREACH:
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return G_IO_ERROR_HOST_UNREACHABLE;
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case WSAENETUNREACH:
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return G_IO_ERROR_NETWORK_UNREACHABLE;
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case WSAECONNREFUSED:
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return G_IO_ERROR_CONNECTION_REFUSED;
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case WSAETIMEDOUT:
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return G_IO_ERROR_TIMED_OUT;
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case WSAENOTCONN:
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case ERROR_PIPE_LISTENING:
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return G_IO_ERROR_NOT_CONNECTED;
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case WSAEMSGSIZE:
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return G_IO_ERROR_MESSAGE_TOO_LARGE;
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default:
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return G_IO_ERROR_FAILED;
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}
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}
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#endif
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