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- /*
- Copyright (C) 1990 C van Reewijk, email: dutentb.uucp!reeuwijk
-
- This file is part of GLASS.
-
- GLASS 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.
-
- GLASS 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 GLASS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* File: fprstr.c
- * C. van Reeuwijk
- */
- #include <stdio.h>
- #include <ctype.h>
-
- #include "tmc.h"
-
- #define BACKSLASH '\\'
-
- /* definition of 'print' for a 'string' */
- void fprint_string( f, s )
- register FILE *f;
- register char *s;
- {
- register int c;
-
- if( s == (char *)0 ){
- fputs( "<nil>", f );
- return;
- }
- putc( '"', f );
- while( *s != '\0' ){
- c = *s++;
- while( c<0 ) c += 256;
- if( c == BACKSLASH || c == '"' ){
- putc( BACKSLASH, f );
- putc( c, f );
- continue;
- }
- if( c>=' ' && c<='~' ){
- putc( c, f );
- continue;
- }
- switch( c ){
- case '\b': putc( BACKSLASH, f ); putc( 'b', f ); break;
- case '\f': putc( BACKSLASH, f ); putc( 'f', f ); break;
- case '\n': putc( BACKSLASH, f ); putc( 'n', f ); break;
- case '\r': putc( BACKSLASH, f ); putc( 'r', f ); break;
- case '\t': putc( BACKSLASH, f ); putc( 't', f ); break;
- case '\v': putc( BACKSLASH, f ); putc( 'v', f ); break;
- default:
- fprintf( f, "\\%03o", (c & 0xff) );
- }
- }
- putc( '"', f );
- }
-