libexplain/buffer/errno/strndup.c

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/*
 * libexplain - Explain errno values returned by libc functions
 * Copyright (C) 2009, 2013 Peter Miller
 *
 * 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/buffer/errno/malloc.h>
#include <libexplain/buffer/errno/strndup.h>
#include <libexplain/buffer/size_t.h>
#include <libexplain/buffer/string_n.h>
#include <libexplain/explanation.h>


static void
explain_buffer_errno_strndup_system_call(explain_string_buffer_t *sb, int
    errnum, const char *data, size_t data_size)
{
    (void)errnum;
    explain_string_buffer_puts(sb, "strndup(data = ");
    explain_buffer_string_n(sb, data, data_size);
    explain_string_buffer_puts(sb, ", data_size = ");
    explain_buffer_size_t(sb, data_size);
    explain_string_buffer_putc(sb, ')');
}


static void
explain_buffer_errno_strndup_explanation(explain_string_buffer_t *sb, int
    errnum, const char *data, size_t data_size)
{
    (void)data;
    explain_buffer_errno_malloc_explanation
    (
        sb,
        errnum,
        "strndup",
        data_size + 1
    );
}


void
explain_buffer_errno_strndup(explain_string_buffer_t *sb, int errnum, const char
    *data, size_t data_size)
{
    explain_explanation_t exp;

    explain_explanation_init(&exp, errnum);
    explain_buffer_errno_strndup_system_call(&exp.system_call_sb, errnum, data,
        data_size);
    explain_buffer_errno_strndup_explanation(&exp.explanation_sb, errnum, data,
        data_size);
    explain_explanation_assemble(&exp, sb);
}


/* vim: set ts=8 sw=4 et : */