freebsd-nq/gnu/usr.bin/as/output-file.c
1993-06-29 09:51:23 +00:00

82 lines
1.9 KiB
C

/* output-file.c - Deal with the output file
Copyright (C) 1987 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 1, 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!
*/
/* #include "style.h" */
#include <stdio.h>
void as_perror();
static FILE *
stdoutput;
void
output_file_create (name)
char * name;
{
if(name[0]=='-' && name[1]=='\0')
stdoutput=stdout;
else if ( ! (stdoutput = fopen( name, "w" )) )
{
as_perror ("FATAL: Can't create %s", name);
exit(42);
}
}
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! */
}
void
output_file_append (where, length, filename)
char * where;
long int 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");
}
}
}
/* end: output-file.c */