ncursesw-morphos/form/fld_dup.c
Thomas E. Dickey ba39fbc2e0 ncurses 5.9 - patch 20120310
+ fix some strict compiler warnings for abi6 and 64-bits.
+ use begin_va_copy/end_va_copy macros in lib_printw.c (cf: 20120303).
+ improve a limit-check in infocmp.c (Werner Fink):
2012-03-11 01:59:25 +00:00

102 lines
4.4 KiB
C

/****************************************************************************
* Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. *
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* "Software"), to deal in the Software without restriction, including *
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* 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. *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: fld_dup.c,v 1.14 2012/03/11 00:37:16 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : FIELD *dup_field(FIELD *field, int frow, int fcol)
|
| Description : Duplicates the field at the specified position. All
| field attributes and the buffers are copied.
| If an error occurs, errno is set to
|
| E_BAD_ARGUMENT - invalid argument
| E_SYSTEM_ERROR - system error
|
| Return Values : Pointer to the new field or NULL if failure
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(FIELD *)
dup_field(FIELD *field, int frow, int fcol)
{
FIELD *New_Field = (FIELD *)0;
int err = E_BAD_ARGUMENT;
T((T_CALLED("dup_field(%p,%d,%d)"), (void *)field, frow, fcol));
if (field && (frow >= 0) && (fcol >= 0) &&
((err = E_SYSTEM_ERROR) != 0) && /* trick : this resets the default error */
(New_Field = typeMalloc(FIELD, 1)))
{
T((T_CREATE("field %p"), (void *)New_Field));
*New_Field = *_nc_Default_Field;
New_Field->frow = (short) frow;
New_Field->fcol = (short) fcol;
New_Field->link = New_Field;
New_Field->rows = field->rows;
New_Field->cols = field->cols;
New_Field->nrow = field->nrow;
New_Field->drows = field->drows;
New_Field->dcols = field->dcols;
New_Field->maxgrow = field->maxgrow;
New_Field->nbuf = field->nbuf;
New_Field->just = field->just;
New_Field->fore = field->fore;
New_Field->back = field->back;
New_Field->pad = field->pad;
New_Field->opts = field->opts;
New_Field->usrptr = field->usrptr;
if (_nc_Copy_Type(New_Field, field))
{
size_t i, len;
len = Total_Buffer_Size(New_Field);
if ((New_Field->buf = (FIELD_CELL *)malloc(len)))
{
for (i = 0; i < len; ++i)
New_Field->buf[i] = field->buf[i];
returnField(New_Field);
}
}
}
if (New_Field)
free_field(New_Field);
SET_ERROR(err);
returnField((FIELD *)0);
}
/* fld_dup.c ends here */