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- /* file-output.c: file writing routines for binary files in BigEndian
- order, 2's complement representation.
-
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- 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 2, 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "config.h"
-
- #include "file-output.h"
-
-
- /* Output in BigEndian order. We could do these more efficiently by
- checking if the hardware already uses BigEndian order, but it's not
- worth it. These routines are never the bottleneck (in the ways
- they've been used so far, anyway). We assume that we write negative
- numbers in 2's complement, also. */
-
- void
- put_byte (one_byte b, FILE *f, string filename)
- {
- if (fwrite (&b, 1, 1, f) != 1)
- FATAL2 ("%s: Could not write byte %u", filename, b);
- }
-
-
- void
- put_two (two_bytes b, FILE *f, string filename)
- {
- put_byte ((b & 0xff00) >> 8, f, filename); /* High-order byte. */
- put_byte (b & 0x00ff, f, filename); /* And low-order. */
- }
-
-
- void
- put_three (four_bytes b, FILE *f, string filename)
- {
- put_byte ((b & 0x00ff0000) >> 16, f, filename);
- put_byte ((b & 0x0000ff00) >> 8, f, filename);
- put_byte (b & 0x000000ff, f, filename);
- }
-
-
- void
- put_four (four_bytes b, FILE *f, string filename)
- {
- put_byte ((b & 0xff000000) >> 24, f, filename);
- put_byte ((b & 0x00ff0000) >> 16, f, filename);
- put_byte ((b & 0x0000ff00) >> 8, f, filename);
- put_byte (b & 0x000000ff, f, filename);
- }
-
-
- void
- put_n_bytes (unsigned n, address b, FILE *f, string filename)
- {
- one_byte *data_b = b; /* We can't dereference a pure `address'. */
-
- if (fwrite (data_b, n, 1, f) != 1)
- FATAL2 ("%s: Could not write %u-byte block", filename, n);
- }
-