File: gp_upapr.c

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/* Copyright (C) 2001-2012 Artifex Software, Inc.
   All Rights Reserved.

   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied,
   modified or distributed except as expressly authorized under the terms
   of the license contained in the file LICENSE in this distribution.

   Refer to licensing information at http://www.artifex.com or contact
   Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134, San Rafael,
   CA  94903, U.S.A., +1(415)492-9861, for further information.
*/


/* $Id:$ */
/* Unix implementation of gp_defaultpapersize */

#ifdef USE_LIBPAPER
#include <paper.h>
#endif

#include "string_.h"
#include "malloc_.h"
#include "gx.h"
#include "gp.h"

/* ------ Default paper size ------ */

/* Get the default paper size.  See gp_paper.h for details. */
int
gp_defaultpapersize(char *ptr, int *plen)
{
#ifdef USE_LIBPAPER
    const char *paper;
    bool is_systempaper;

    paperinit();

    paper = systempapername();
    if (paper)
        is_systempaper =  true;
    else {
        paper = defaultpapername();
        is_systempaper =  false;
    }

    if (paper) {
        int rc, len = strlen(paper);

        if (len < *plen) {
            /* string fits */
            strcpy(ptr, paper);
            rc = 0;
        } else {
            /* string doesn't fit */
            rc = -1;
        }
        *plen = len + 1;
        paperdone();
        if (is_systempaper)
            free(paper);
        return rc;
    }
#endif

    /* No default paper size */

    if (*plen > 0)
        *ptr = 0;
    *plen = 1;
    return 1;
}