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/* File-I/O functions for GDB, the GNU debugger.
Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
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 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/>. */
#ifndef COMMON_FILEIO_H
#define COMMON_FILEIO_H
#include "gdb/fileio.h"
#include <sys/stat.h>
/* Convert a host-format errno value to a File-I/O error number. */
extern int host_to_fileio_error (int error);
/* Convert File-I/O open flags FFLAGS to host format, storing
the result in *FLAGS. Return 0 on success, -1 on error. */
extern int fileio_to_host_openflags (int fflags, int *flags);
/* Convert File-I/O mode FMODE to host format, storing
the result in *MODE. Return 0 on success, -1 on error. */
extern int fileio_to_host_mode (int fmode, mode_t *mode);
/* Pack a host-format integer into a byte buffer in big-endian
format. BYTES specifies the size of the integer to pack in
bytes. */
static inline void
host_to_bigendian (LONGEST num, char *buf, int bytes)
{
int i;
for (i = 0; i < bytes; ++i)
buf[i] = (num >> (8 * (bytes - i - 1))) & 0xff;
}
/* Pack a host-format integer into an fio_uint_t. */
static inline void
host_to_fileio_uint (long num, fio_uint_t fnum)
{
host_to_bigendian ((LONGEST) num, (char *) fnum, 4);
}
/* Pack a host-format time_t into an fio_time_t. */
static inline void
host_to_fileio_time (time_t num, fio_time_t fnum)
{
host_to_bigendian ((LONGEST) num, (char *) fnum, 4);
}
/* Pack a host-format struct stat into a struct fio_stat. */
extern void host_to_fileio_stat (struct stat *st, struct fio_stat *fst);
#endif /* COMMON_FILEIO_H */
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