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/* $OpenBSD: fld_max.c,v 1.6 2015/01/23 22:48:51 krw Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Juergen Pfeifer, 1995,1997 * |
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****************************************************************************/ |
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#include "form.priv.h" |
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MODULE_ID("$Id: fld_max.c,v 1.6 2015/01/23 22:48:51 krw Exp $") |
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/*--------------------------------------------------------------------------- |
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| Facility : libnform |
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| Function : int set_max_field(FIELD *field, int maxgrow) |
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| Description : Set the maximum growth for a dynamic field. If maxgrow=0 |
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| the field may grow to any possible size. |
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| |
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| Return Values : E_OK - success |
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| E_BAD_ARGUMENT - invalid argument |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(int) |
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set_max_field(FIELD *field, int maxgrow) |
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{ |
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T((T_CALLED("set_max_field(%p,%d)"), field, maxgrow)); |
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if (!field || (maxgrow < 0)) |
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RETURN(E_BAD_ARGUMENT); |
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else |
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{ |
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bool single_line_field = Single_Line_Field(field); |
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if (maxgrow > 0) |
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{ |
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if ((single_line_field && (maxgrow < field->dcols)) || |
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(!single_line_field && (maxgrow < field->drows))) |
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RETURN(E_BAD_ARGUMENT); |
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} |
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field->maxgrow = maxgrow; |
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field->status &= ~_MAY_GROW; |
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if (!(field->opts & O_STATIC)) |
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{ |
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if ((maxgrow == 0) || |
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(single_line_field && (field->dcols < maxgrow)) || |
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(!single_line_field && (field->drows < maxgrow))) |
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field->status |= _MAY_GROW; |
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} |
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} |
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RETURN(E_OK); |
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} |
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/* fld_max.c ends here */ |