lib/lp/printlist.c

	printlist.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*  Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*    All Rights Reserved   */


#pragma ident   "%Z%%M% %I% %E% SMI"    /* SVr4.0 1.7   */
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "stdio.h"
#include "string.h"

#include "lp.h"

#define DFLT_PREFIX 0
#define DFLT_SUFFIX 0
#define DFLT_SEP    "\n"
#define DFLT_NEWLINE    "\n"

int         printlist_qsep  = 0;

static char     *print_prefix   = DFLT_PREFIX,
            *print_suffix   = DFLT_SUFFIX,
            *print_sep  = DFLT_SEP,
            *print_newline  = DFLT_NEWLINE;

static void     q_print( int, char * , char * );

/**
 ** printlist_setup() - ARRANGE FOR CUSTOM PRINTING
 ** printlist_unsetup() - RESET STANDARD PRINTING
 **/

void
printlist_setup(char *prefix, char *suffix, char *sep, char *newline)
{
    if (prefix)
        print_prefix = prefix;
    if (suffix)
        print_suffix = suffix;
    if (sep)
        print_sep = sep;
    if (newline)
        print_newline = newline;
    return;
}

void
printlist_unsetup()
{
    print_prefix = DFLT_PREFIX;
    print_suffix = DFLT_SUFFIX;
    print_sep = DFLT_SEP;
    print_newline = DFLT_NEWLINE;
    return;
}

/**
 ** printlist() - PRINT LIST ON OPEN CHANNEL
 **/

int
printlist(FILE *fp, char **list)
{
    return (fdprintlist(fileno(fp), list));
}

int
fdprintlist(int fd, char **list)
{
    register char       *sep;

    if (list)
        for (sep = ""; *list; *list++, sep = print_sep) {

        (void)fdprintf (fd, "%s%s", sep, NB(print_prefix));
        if (printlist_qsep)
            q_print (fd, *list, print_sep);
        else
            (void)fdprintf (fd, "%s", *list);
        errno = 0;
        (void)fdprintf (fd, "%s", NB(print_suffix));
        if (errno != 0)
            return (-1);

        }
    (void)fdprintf (fd, print_newline);

    return (0);
}


static void
q_print(int fd, char *str, char *sep)
{
    while (*str) {
        if (strchr(sep, *str))
            fdputc('\\', fd);
        fdputc(*str, fd);
        str++;
    }
    return;
}