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Language/OS - Multiplatform Resource Library
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LANGUAGE OS.iso
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glass
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glass.lha
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GLASS
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libtmc
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prstr.c
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C/C++ Source or Header
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1990-11-06
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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: prstr.c
* C. van Reeuwijk
*/
#include <stdio.h>
#include <ctype.h>
#include "tmc.h"
#define BACKSLASH '\\'
#define STRBUFSZ 1000
/* definition of 'print' for a 'string' */
void print_string( s )
register char *s;
{
char buf[STRBUFSZ+10];
register char *bufp;
register char *bufend;
register int c;
if( s == (char *)0 ){
printword( "<nil>" );
return;
}
bufp = buf;
bufend = &buf[STRBUFSZ];
*bufp++ = '"';
while( *s != '\0' ){
c = *s++;
while( c<0 ) c += 256;
if( c == BACKSLASH || c == '"' ){
*bufp++ = BACKSLASH;
*bufp++ = c;
continue;
}
if( c>=' ' && c<='~' ){
*bufp++ = c;
continue;
}
switch( c ){
case '\b': *bufp++ = BACKSLASH; *bufp++ = 'b'; break;
case '\f': *bufp++ = BACKSLASH; *bufp++ = 'f'; break;
case '\n': *bufp++ = BACKSLASH; *bufp++ = 'n'; break;
case '\r': *bufp++ = BACKSLASH; *bufp++ = 'r'; break;
case '\t': *bufp++ = BACKSLASH; *bufp++ = 't'; break;
case '\v': *bufp++ = BACKSLASH; *bufp++ = 'v'; break;
default:
(void) sprintf( bufp, "\\%03o", (c & 0xff) );
while( *bufp != '\0' ) bufp++;
}
if( bufp>=bufend ){
tmfatal( __FILE__, __LINE__, "string too long" );
}
}
*bufp++ = '"';
*bufp = '\0';
printword( buf );
}