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274 lines
5.5 KiB
C
274 lines
5.5 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include "misc.h"
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#include "lf.h"
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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struct _lf {
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FILE *stream;
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int line_nr; /* nr complete lines written, curr line is line_nr+1 */
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int indent;
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int line_blank;
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char *file_name;
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int number_lines;
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};
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lf *
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lf_open(char *name,
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char *real_name,
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int number_lines)
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{
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/* create a file object */
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lf *new_lf = ZALLOC(lf);
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ASSERT(new_lf != NULL);
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new_lf->number_lines = number_lines;
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new_lf->file_name = (real_name == NULL
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? name
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: real_name);
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/* attach to stdout if pipe */
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if (!strcmp(name, "-")) {
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new_lf->stream = stdout;
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}
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else {
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/* create a new file */
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new_lf->stream = fopen(name, "w");
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ASSERT(new_lf->stream != NULL);
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}
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return new_lf;
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}
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void
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lf_close(lf *file)
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{
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if (file->stream != stdout) {
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if (fclose(file->stream)) {
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perror("lf_close.fclose");
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exit(1);
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}
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free(file);
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}
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}
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void
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lf_putchr(lf *file,
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const char chr)
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{
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if (chr == '\n') {
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file->line_nr += 1;
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file->line_blank = 1;
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}
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else if (file->line_blank) {
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int pad;
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for (pad = file->indent; pad > 0; pad--)
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putc(' ', file->stream);
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file->line_blank = 0;
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}
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putc(chr, file->stream);
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}
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void
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lf_indent_suppress(lf *file)
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{
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file->line_blank = 0;
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}
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void
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lf_putstr(lf *file,
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const char *string)
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{
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const char *chp;
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if (string != NULL) {
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for (chp = string; *chp != '\0'; chp++) {
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lf_putchr(file, *chp);
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}
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}
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}
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static void
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do_lf_putunsigned(lf *file,
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unsigned u)
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{
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if (u > 0) {
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do_lf_putunsigned(file, u / 10);
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lf_putchr(file, (u % 10) + '0');
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}
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}
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void
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lf_putint(lf *file,
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int decimal)
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{
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if (decimal == 0)
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lf_putchr(file, '0');
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else if (decimal < 0) {
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lf_putchr(file, '-');
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do_lf_putunsigned(file, -decimal);
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}
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else if (decimal > 0) {
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do_lf_putunsigned(file, decimal);
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}
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else
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ASSERT(0);
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}
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void
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lf_printf(lf *file,
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const char *fmt,
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...)
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{
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char buf[1024];
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va_list ap;
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va_start(ap, fmt);
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vsprintf(buf, fmt, ap);
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/* FIXME - this is really stuffed but so is vsprintf() on a sun! */
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ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf));
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lf_putstr(file, buf);
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va_end(ap);
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}
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void
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lf_print_c_code(lf *file, char *code)
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{
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char *chp = code;
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int in_bit_field = 0;
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while (*chp != '\0') {
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if (*chp == '\t')
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chp++;
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if (*chp == '#')
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lf_indent_suppress(file);
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while (*chp != '\0' && *chp != '\n') {
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if (chp[0] == '{' && !isspace(chp[1])) {
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in_bit_field = 1;
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lf_putchr(file, '_');
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}
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else if (in_bit_field && chp[0] == ':') {
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lf_putchr(file, '_');
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}
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else if (in_bit_field && *chp == '}') {
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lf_putchr(file, '_');
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in_bit_field = 0;
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}
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else {
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lf_putchr(file, *chp);
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}
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chp++;
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}
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if (in_bit_field)
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error("bit field paren miss match some where\n");
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if (*chp == '\n') {
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lf_putchr(file, '\n');
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chp++;
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}
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}
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lf_putchr(file, '\n');
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}
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void
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lf_print_c_line_nr(lf *file,
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int line_nr,
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char *file_name)
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{
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if (file->number_lines) {
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lf_indent_suppress(file);
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lf_putstr(file, "#line ");
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lf_putint(file, line_nr);
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lf_putstr(file, " \"");
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lf_putstr(file, file_name);
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lf_putstr(file, "\"\n");
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}
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}
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void
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lf_print_lf_c_line_nr(lf *file)
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{
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lf_print_c_line_nr(file, file->line_nr+2, file->file_name);
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/* line_nr == last_line, want to number from next */
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}
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void
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lf_indent(lf *file, int delta)
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{
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file->indent += delta;
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}
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void
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lf_print_copyleft(lf *file)
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{
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lf_putstr(file, "\
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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|
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 2 of the License, or
|
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(at your option) any later version.
|
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|
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This program is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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GNU General Public License for more details.
|
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|
|
You should have received a copy of the GNU General Public License
|
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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--
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This file was generated by the program gen */
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");
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}
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void
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lf_print_binary(lf *file, int decimal, int width)
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{
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int bit;
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ASSERT(width > 0);
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for (bit = 1 << (width-1); bit != 0; bit >>= 1) {
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if (decimal & bit)
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lf_putchr(file, '1');
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else
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lf_putchr(file, '0');
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}
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}
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