/**************************************************************************** * Copyright (c) 1998-2001,2003 Free Software Foundation, Inc.              * *                                                                          * * Permission is hereby granted, free of charge, to any person obtaining a  * * copy of this software and associated documentation files (the            * * "Software"), to deal in the Software without restriction, including      * * without limitation the rights to use, copy, modify, merge, publish,      * * distribute, distribute with modifications, sublicense, and/or sell       * * copies of the Software, and to permit persons to whom the Software is    * * furnished to do so, subject to the following conditions:                 * *                                                                          * * The above copyright notice and this permission notice shall be included  * * in all copies or substantial portions of the Software.                   * *                                                                          * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    * * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               * *                                                                          * * Except as contained in this notice, the name(s) of the above copyright   * * holders shall not be used in advertising or otherwise to promote the     * * sale, use or other dealings in this Software without prior written       * * authorization.                                                           * ****************************************************************************//**************************************************************************** *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               * *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         * ****************************************************************************//* *	lib_slkset.c *      Set soft label text. */#include <curses.priv.h>#include <ctype.h>MODULE_ID("$Id: lib_slkset.c,v 1.10 2003/04/12 21:32:16 tom Exp $")NCURSES_EXPORT(int)slk_set(int i, const char *astr, int format){    SLK *slk = SP->_slk;    size_t len;    int offset;    const char *str = astr;    const char *p;    T((T_CALLED("slk_set(%d, \"%s\", %d)"), i, str, format));    if (slk == NULL || i < 1 || i > slk->labcnt || format < 0 || format > 2)	returnCode(ERR);    if (str == NULL)	str = "";    while (isspace(UChar(*str)))	str++;			/* skip over leading spaces  */    p = str;    while (isprint(UChar(*p)))	p++;			/* The first non-print stops */    --i;			/* Adjust numbering of labels */    len = (size_t) (p - str);    if (len > (size_t) slk->maxlen)	len = slk->maxlen;    if (len == 0)	slk->ent[i].ent_text[0] = 0;    else	strncpy(slk->ent[i].ent_text, str, len)[len] = 0;    memset(slk->ent[i].form_text, ' ', (unsigned) slk->maxlen);    slk->ent[i].ent_text[slk->maxlen] = 0;    switch (format) {    default:    case 0:			/* left-justified */	offset = 0;	break;    case 1:			/* centered */	offset = (slk->maxlen - len) / 2;	break;    case 2:			/* right-justified */	offset = slk->maxlen - len;	break;    }    memcpy(slk->ent[i].form_text + offset,	   slk->ent[i].ent_text,	   len);    slk->ent[i].form_text[slk->maxlen] = 0;    slk->ent[i].dirty = TRUE;    returnCode(OK);}