freebsd-dev/gnu/usr.bin/as/output-file.c
1997-02-22 15:48:31 +00:00

123 lines
3.0 KiB
C

/* output-file.c - Deal with the output file
Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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.
GAS 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 GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* Confines all details of emitting object bytes to this module.
* All O/S specific crocks should live here.
* What we lose in "efficiency" we gain in modularity.
* Note we don't need to #include the "as.h" file. No common coupling!
*/
/* note that we do need config info. xoxorich. */
#ifndef lint
static char rcsid[] = "$Id$";
#endif
#include <stdio.h>
#include "as.h"
#include "output-file.h"
#ifdef BFD_HEADERS
#include "bfd.h"
bfd *stdoutput;
void output_file_create(name)
char *name;
{
if (name[0] == '-' && name[1] == '\0') {
as_perror("FATAL: Can't open a bfd on stdout %s ", name);
}
else if ( ! (stdoutput = bfd_openw( name, TARGET_FORMAT )) )
{
as_perror ("FATAL: Can't create %s", name);
exit(42);
}
bfd_set_format(stdoutput, bfd_object);
}
/* output_file_create() */
void output_file_close(filename)
char *filename;
{
/* Close the bfd without getting bfd to write out anything by itself */
if ( bfd_close_all_done( stdoutput ) == 0 )
{
as_perror ("FATAL: Can't close %s\n", filename);
exit(42);
}
stdoutput = NULL; /* Trust nobody! */
} /* output_file_close() */
void output_file_append(where, length, filename)
char *where;
long length;
char *filename;
{
abort(); /* Never do this */
}
#else
static FILE *stdoutput;
void output_file_create(name)
char *name;
{
if (name[0] == '-' && name[1] == '\0')
stdoutput=stdout;
else if (!(stdoutput = fopen(name, "wb"))) {
as_perror("FATAL: Can't create %s", name);
exit(42);
}
} /* output_file_create() */
void output_file_close(filename)
char *filename;
{
if (EOF == fclose(stdoutput)) {
as_perror ("FATAL: Can't close %s", filename);
exit(42);
}
stdoutput = NULL; /* Trust nobody! */
} /* output_file_close() */
void output_file_append(where, length, filename)
char *where;
long length;
char *filename;
{
for (; length; length--, where++) {
(void) putc(*where, stdoutput);
if (ferror(stdoutput))
/* if ( EOF == (putc( *where, stdoutput )) ) */
{
as_perror("Failed to emit an object byte", filename);
as_fatal("Can't continue");
}
}
} /* output_file_append() */
#endif
/* end of output-file.c */