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 28 extern 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 33 extern 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 38 extern 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 44 static inline void 45 host_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 55 static inline void 56 host_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 63 static inline void 64 host_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 71 extern void host_to_fileio_stat (struct stat *st, struct fio_stat *fst); 72 73 #endif /* COMMON_FILEIO_H */ 74