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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2010, 2013 Peter Miller
*
* 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 Lesser
* 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/>.
*/
#include <libexplain/ac/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/sys/mman.h>
#include <libexplain/buffer/mmap_flags.h>
#include <libexplain/buffer/mmap_prot.h>
#include <libexplain/mmap.h>
#include <libexplain/string_to_thing.h>
#include <libexplain/wrap_and_print.h>
#include <explain/syscall/mmap.h>
void
explain_syscall_mmap(int errnum, int argc, char **argv)
{
void *data;
size_t data_size;
int prot;
int flags;
int fildes;
off_t offset;
offset = 0;
switch (argc)
{
case 6:
offset = explain_parse_off_t_or_die(argv[5]);
/* Fall through... */
case 5:
break;
default:
fprintf(stderr, "mmap: requires 6 arguments, not %d\n", argc);
exit(EXIT_FAILURE);
}
data = explain_parse_pointer_or_die(argv[0]);
data_size = explain_parse_size_t_or_die(argv[1]);
prot = explain_parse_mmap_prot_or_die(argv[2], "arg 3");
flags = explain_parse_mmap_flags_or_die(argv[3], "arg 4");
fildes = explain_parse_int_or_die(argv[4]);
explain_wrap_and_print(stdout, explain_errno_mmap(errnum, data, data_size,
prot, flags, fildes, offset));
}
/* vim: set ts=8 sw=4 et : */
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