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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008, 2009, 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/errno.h>
#include <libexplain/ac/stdio.h>
#include <libexplain/buffer/eloop.h>
#include <libexplain/buffer/errno/path_resolution.h>
#include <libexplain/option.h>
#include <libexplain/symloopmax.h>
static void
report_error(explain_string_buffer_t *sb, const char *caption)
{
explain_string_buffer_printf
(
sb,
"too many symbolic links were encountered in resolving %s",
caption
);
if (explain_option_dialect_specific())
{
int symloop_max;
symloop_max = explain_symloopmax();
explain_string_buffer_printf(sb, " (%d)", symloop_max);
}
}
void
explain_buffer_eloop(explain_string_buffer_t *sb, const char *pathname,
const char *pathname_caption, const explain_final_t *final_component)
{
if
(
explain_buffer_errno_path_resolution
(
sb,
ELOOP,
pathname,
pathname_caption,
final_component
)
)
{
/*
* Unable to find a specific cause,
* emit the generic explanation.
*/
report_error(sb, pathname_caption);
}
}
void
explain_buffer_eloop2(explain_string_buffer_t *sb,
const char *oldpath, const char *oldpath_caption,
const explain_final_t *oldpath_final_component,
const char *newpath, const char *newpath_caption,
const explain_final_t *newpath_final_component)
{
if
(
explain_buffer_errno_path_resolution
(
sb,
ELOOP,
oldpath,
oldpath_caption,
oldpath_final_component
)
&&
explain_buffer_errno_path_resolution
(
sb,
ELOOP,
newpath,
newpath_caption,
newpath_final_component
)
)
{
char buffer[40];
/*
* Unable to find a specific cause,
* emit the generic explanation.
*/
snprintf
(
buffer,
sizeof(buffer),
"%s or %s",
oldpath_caption,
newpath_caption
);
report_error(sb, buffer);
}
}
/* vim: set ts=8 sw=4 et : */
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