gdb/common/fileio.h

   1 /* File-I/O functions for GDB, the GNU debugger.
   2
   3    Copyright (C) 2003-2015 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 FILEIO_H
  21 #define 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 /* Pack a host-format integer into a byte buffer in big-endian
  36    format.  BYTES specifies the size of the integer to pack in
  37    bytes.  */
  38
  39 static inline void
  40 host_to_bigendian (LONGEST num, char *buf, int bytes)
  41 {
  42   int i;
  43
  44   for (i = 0; i < bytes; ++i)
  45     buf[i] = (num >> (8 * (bytes - i - 1))) & 0xff;
  46 }
  47
  48 /* Pack a host-format integer into an fio_uint_t.  */
  49
  50 static inline void
  51 host_to_fileio_uint (long num, fio_uint_t fnum)
  52 {
  53   host_to_bigendian ((LONGEST) num, (char *) fnum, 4);
  54 }
  55
  56 /* Pack a host-format time_t into an fio_time_t.  */
  57
  58 static inline void
  59 host_to_fileio_time (time_t num, fio_time_t fnum)
  60 {
  61   host_to_bigendian ((LONGEST) num, (char *) fnum, 4);
  62 }
  63
  64 /* Pack a host-format struct stat into a struct fio_stat.  */
  65
  66 extern void host_to_fileio_stat (struct stat *st, struct fio_stat *fst);
  67
  68 #endif /* FILEIO_H */