diff options
Diffstat (limited to 'ncurses-5.9/form/fld_dup.c')
| -rw-r--r-- | ncurses-5.9/form/fld_dup.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/ncurses-5.9/form/fld_dup.c b/ncurses-5.9/form/fld_dup.c new file mode 100644 index 0000000..c8d2512 --- /dev/null +++ b/ncurses-5.9/form/fld_dup.c @@ -0,0 +1,101 @@ +/**************************************************************************** + * Copyright (c) 1998-2007,2010 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: Juergen Pfeifer, 1995,1997 * + ****************************************************************************/ + +#include "form.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| 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 = frow; + New_Field->fcol = 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 */ |