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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008-2011, 2013 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/limits.h> /* for PATH_MAX on Solaris */
#include <libexplain/ac/sys/param.h> /* for PATH_MAX except Solaris */
#include <libexplain/ac/sys/stat.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/buffer/caption_name_type.h>
#include <libexplain/buffer/emlink.h>
#include <libexplain/buffer/file_type.h>
#include <libexplain/buffer/gettext.h>
#include <libexplain/dirname.h>
#include <libexplain/option.h>
void
explain_buffer_emlink(explain_string_buffer_t *sb, const char *oldpath,
const char *newpath)
{
struct stat oldpath_st;
if (stat(oldpath, &oldpath_st) >= 0)
{
if (S_ISDIR(oldpath_st.st_mode))
{
explain_string_buffer_t qnpdir_sb;
char npdir[PATH_MAX + 1];
char qnpdir[PATH_MAX + 1];
explain_dirname(npdir, newpath, sizeof(npdir));
explain_string_buffer_init(&qnpdir_sb, qnpdir, sizeof(qnpdir));
explain_buffer_caption_name_type
(
&qnpdir_sb,
"newpath",
npdir,
S_IFDIR
);
explain_string_buffer_printf_gettext
(
sb,
/*
* xgettext: This message is used when explaining an
* EMLINK error, in the case where a directory needs to
* re-write its ".." directory entry, and the new ".."
* would thereby exceed the link limit.
*
* Note that this message may be followed by the actual
* limit in parentheses, so it helps of the last phrase
* can be sensably followed by it.
*
* %1$s => The name (already quoted) and file type
* (already translated) of the directory of
* newpath that has the problem.
*/
i18n("oldpath is a directory and the %s already has the "
"maximum number of links"),
qnpdir
);
}
else
{
explain_string_buffer_t ftype_sb;
char ftype[FILE_TYPE_BUFFER_SIZE_MIN];
explain_string_buffer_init(&ftype_sb, ftype, sizeof(ftype));
explain_buffer_file_type_st(&ftype_sb, &oldpath_st);
explain_string_buffer_printf_gettext
(
sb,
/*
* xgettext: This message is used when explaining an
* EMLINK error, in the non-directory case where a file
* already has the maximum number of links.
*
* Note that this message may be followed by the actual
* limit in parentheses, so it helps of the last phrase
* can be sensably followed by it.
*
* %1$s => the file type of the problem file
* (already translated)
*/
i18n("oldpath is a %s and already has the maximum number "
"of links"),
ftype
);
}
}
else
{
explain_buffer_gettext
(
sb,
/*
* xgettext: This message is used when explaining an EMLINK
* error, in the case where a specific cause could not be
* determined.
*/
i18n("oldpath already has the maximum number of links to "
"it, or oldpath is a directory and the directory "
"containing newpath has the maximum number of links")
);
}
if (explain_option_dialect_specific())
{
long link_max;
/*
* By definition, oldpath and newpath are on the same file
* system to get this error, so we don't need to call
* pathconf twice.
*/
link_max = pathconf(oldpath, _PC_LINK_MAX);
if (link_max > 0)
explain_string_buffer_printf(sb, " (%ld)", link_max);
}
}
/* vim: set ts=8 sw=4 et : */
|
