1/* File-I/O functions for GDB, the GNU debugger. 2 3 Copyright (C) 2003-2020 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20#ifndef COMMON_FILEIO_H 21#define COMMON_FILEIO_H 22 23#include "gdb/fileio.h" 24#include <sys/stat.h> 25 26/* Convert a host-format errno value to a File-I/O error number. */ 27 28extern int host_to_fileio_error (int error); 29 30/* Convert File-I/O open flags FFLAGS to host format, storing 31 the result in *FLAGS. Return 0 on success, -1 on error. */ 32 33extern int fileio_to_host_openflags (int fflags, int *flags); 34 35/* Convert File-I/O mode FMODE to host format, storing 36 the result in *MODE. Return 0 on success, -1 on error. */ 37 38extern int fileio_to_host_mode (int fmode, mode_t *mode); 39 40/* Pack a host-format integer into a byte buffer in big-endian 41 format. BYTES specifies the size of the integer to pack in 42 bytes. */ 43 44static inline void 45host_to_bigendian (LONGEST num, char *buf, int bytes) 46{ 47 int i; 48 49 for (i = 0; i < bytes; ++i) 50 buf[i] = (num >> (8 * (bytes - i - 1))) & 0xff; 51} 52 53/* Pack a host-format integer into an fio_uint_t. */ 54 55static inline void 56host_to_fileio_uint (long num, fio_uint_t fnum) 57{ 58 host_to_bigendian ((LONGEST) num, (char *) fnum, 4); 59} 60 61/* Pack a host-format time_t into an fio_time_t. */ 62 63static inline void 64host_to_fileio_time (time_t num, fio_time_t fnum) 65{ 66 host_to_bigendian ((LONGEST) num, (char *) fnum, 4); 67} 68 69/* Pack a host-format struct stat into a struct fio_stat. */ 70 71extern void host_to_fileio_stat (struct stat *st, struct fio_stat *fst); 72 73#endif /* COMMON_FILEIO_H */ 74