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Diffstat (limited to 'ncurses-5.9/form/fld_arg.c')
-rw-r--r-- | ncurses-5.9/form/fld_arg.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/ncurses-5.9/form/fld_arg.c b/ncurses-5.9/form/fld_arg.c new file mode 100644 index 0000000..8136841 --- /dev/null +++ b/ncurses-5.9/form/fld_arg.c @@ -0,0 +1,98 @@ +/**************************************************************************** + * Copyright (c) 1998-2004,2010 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 : int set_fieldtype_arg( +| FIELDTYPE *typ, +| void * (* const make_arg)(va_list *), +| void * (* const copy_arg)(const void *), +| void (* const free_arg)(void *) ) +| +| Description : Connects to the type additional arguments necessary +| for a set_field_type call. The various function pointer +| arguments are: +| make_arg : allocates a structure for the field +| specific parameters. +| copy_arg : duplicate the structure created by +| make_arg +| free_arg : Release the memory allocated by make_arg +| or copy_arg +| +| At least make_arg must be non-NULL. +| You may pass NULL for copy_arg and free_arg if your +| make_arg function doesn't allocate memory and your +| arg fits into the storage for a (void*). +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid argument ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +set_fieldtype_arg(FIELDTYPE *typ, + void *(*const make_arg)(va_list *), + void *(*const copy_arg)(const void *), + void (*const free_arg) (void *)) +{ + T((T_CALLED("set_fieldtype_arg(%p,%p,%p,%p)"), + (void *)typ, make_arg, copy_arg, free_arg)); + + if (typ != 0 && make_arg != (void *)0) + { + typ->status |= _HAS_ARGS; + typ->makearg = make_arg; + typ->copyarg = copy_arg; + typ->freearg = free_arg; + RETURN(E_OK); + } + RETURN(E_BAD_ARGUMENT); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : void *field_arg(const FIELD *field) +| +| Description : Retrieve pointer to the fields argument structure. +| +| Return Values : Pointer to structure or NULL if none is defined. ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(void *) +field_arg(const FIELD *field) +{ + T((T_CALLED("field_arg(%p)"), (const void *)field)); + returnVoidPtr(Normalize_Field(field)->arg); +} + +/* fld_arg.c ends here */ |