diff options
Diffstat (limited to 'ncurses-5.2/form/fld_def.c')
| -rw-r--r-- | ncurses-5.2/form/fld_def.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/ncurses-5.2/form/fld_def.c b/ncurses-5.2/form/fld_def.c deleted file mode 100644 index 7b88693..0000000 --- a/ncurses-5.2/form/fld_def.c +++ /dev/null @@ -1,346 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 * - ****************************************************************************/ - -#include "form.priv.h" - -MODULE_ID("$Id$") - -/* this can't be readonly */ -static FIELD default_field = { - 0, /* status */ - 0, /* rows */ - 0, /* cols */ - 0, /* frow */ - 0, /* fcol */ - 0, /* drows */ - 0, /* dcols */ - 0, /* maxgrow*/ - 0, /* nrow */ - 0, /* nbuf */ - NO_JUSTIFICATION, /* just */ - 0, /* page */ - 0, /* index */ - (int)' ', /* pad */ - A_NORMAL, /* fore */ - A_NORMAL, /* back */ - ALL_FIELD_OPTS, /* opts */ - (FIELD *)0, /* snext */ - (FIELD *)0, /* sprev */ - (FIELD *)0, /* link */ - (FORM *)0, /* form */ - (FIELDTYPE *)0, /* type */ - (char *)0, /* arg */ - (char *)0, /* buf */ - (char *)0 /* usrptr */ -}; - -FIELD *_nc_Default_Field = &default_field; - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : TypeArgument *_nc_Make_Argument( -| const FIELDTYPE *typ, -| va_list *ap, -| int *err ) -| -| Description : Create an argument structure for the specified type. -| Use the type-dependant argument list to construct -| it. -| -| Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an errorcounter is increased. -+--------------------------------------------------------------------------*/ -TypeArgument* -_nc_Make_Argument(const FIELDTYPE *typ, va_list *ap, int *err) -{ - TypeArgument *res = (TypeArgument *)0; - TypeArgument *p; - - if (typ && (typ->status & _HAS_ARGS)) - { - assert(err && ap); - if (typ->status & _LINKED_TYPE) - { - p = (TypeArgument *)malloc(sizeof(TypeArgument)); - if (p) - { - p->left = _nc_Make_Argument(typ->left ,ap,err); - p->right = _nc_Make_Argument(typ->right,ap,err); - return p; - } - else - *err += 1; - } else - { - assert(typ->makearg); - if ( !(res=(TypeArgument *)typ->makearg(ap)) ) - *err += 1; - } - } - return res; -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : TypeArgument *_nc_Copy_Argument(const FIELDTYPE *typ, -| const TypeArgument *argp, -| int *err ) -| -| Description : Create a copy of an argument structure for the specified -| type. -| -| Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an errorcounter is increased. -+--------------------------------------------------------------------------*/ -TypeArgument* -_nc_Copy_Argument(const FIELDTYPE *typ, - const TypeArgument *argp, int *err) -{ - TypeArgument *res = (TypeArgument *)0; - TypeArgument *p; - - if ( typ && (typ->status & _HAS_ARGS) ) - { - assert(err && argp); - if (typ->status & _LINKED_TYPE) - { - p = (TypeArgument *)malloc(sizeof(TypeArgument)); - if (p) - { - p->left = _nc_Copy_Argument(typ,argp->left ,err); - p->right = _nc_Copy_Argument(typ,argp->right,err); - return p; - } - *err += 1; - } - else - { - if (typ->copyarg) - { - if (!(res = (TypeArgument *)(typ->copyarg((const void *)argp)))) - *err += 1; - } - else - res = (TypeArgument *)argp; - } - } - return res; -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : void _nc_Free_Argument(const FIELDTYPE *typ, -| TypeArgument * argp ) -| -| Description : Release memory associated with the argument structure -| for the given fieldtype. -| -| Return Values : - -+--------------------------------------------------------------------------*/ -void -_nc_Free_Argument(const FIELDTYPE * typ, TypeArgument * argp) -{ - if (!typ || !(typ->status & _HAS_ARGS)) - return; - - if (typ->status & _LINKED_TYPE) - { - assert(argp); - _nc_Free_Argument(typ->left ,argp->left ); - _nc_Free_Argument(typ->right,argp->right); - free(argp); - } - else - { - if (typ->freearg) - typ->freearg((void *)argp); - } -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : bool _nc_Copy_Type( FIELD *dst, FIELD const *src ) -| -| Description : Copy argument structure of field src to field dst -| -| Return Values : TRUE - copy worked -| FALSE - error occured -+--------------------------------------------------------------------------*/ -bool -_nc_Copy_Type(FIELD *dst, FIELD const *src) -{ - int err = 0; - - assert(dst && src); - - dst->type = src->type; - dst->arg = (void *)_nc_Copy_Argument(src->type,(TypeArgument *)(src->arg),&err); - - if (err) - { - _nc_Free_Argument(dst->type,(TypeArgument *)(dst->arg)); - dst->type = (FIELDTYPE *)0; - dst->arg = (void *)0; - return FALSE; - } - else - { - if (dst->type) - dst->type->ref++; - return TRUE; - } -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : void _nc_Free_Type( FIELD *field ) -| -| Description : Release Argument structure for this field -| -| Return Values : - -+--------------------------------------------------------------------------*/ -void -_nc_Free_Type(FIELD *field) -{ - assert(field); - if (field->type) - field->type->ref--; - _nc_Free_Argument(field->type,(TypeArgument *)(field->arg)); -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : FIELD *new_field( int rows, int cols, -| int frow, int fcol, -| int nrow, int nbuf ) -| -| Description : Create a new field with this many 'rows' and 'cols', -| starting at 'frow/fcol' in the subwindow of the form. -| Allocate 'nrow' off-screen rows and 'nbuf' additional -| buffers. 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. -+--------------------------------------------------------------------------*/ -FIELD *new_field(int rows, int cols, int frow, int fcol, int nrow, int nbuf) -{ - FIELD *New_Field = (FIELD *)0; - int err = E_BAD_ARGUMENT; - - if (rows>0 && - cols>0 && - frow>=0 && - fcol>=0 && - nrow>=0 && - nbuf>=0 && - ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */ - (New_Field=(FIELD *)malloc(sizeof(FIELD))) ) - { - *New_Field = default_field; - New_Field->rows = rows; - New_Field->cols = cols; - New_Field->drows = rows + nrow; - New_Field->dcols = cols; - New_Field->frow = frow; - New_Field->fcol = fcol; - New_Field->nrow = nrow; - New_Field->nbuf = nbuf; - New_Field->link = New_Field; - - if (_nc_Copy_Type(New_Field,&default_field)) - { - size_t len; - - len = Total_Buffer_Size(New_Field); - if ((New_Field->buf = (char *)malloc(len))) - { - /* Prefill buffers with blanks and insert terminating zeroes - between buffers */ - int i; - - memset(New_Field->buf,' ',len); - for(i=0;i<=New_Field->nbuf;i++) - { - New_Field->buf[(New_Field->drows*New_Field->cols+1)*(i+1)-1] - = '\0'; - } - return New_Field; - } - } - } - - if (New_Field) - free_field(New_Field); - - SET_ERROR( err ); - return (FIELD *)0; -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : int free_field( FIELD *field ) -| -| Description : Frees the storage allocated for the field. -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - invalid field pointer -| E_CONNECTED - field is connected -+--------------------------------------------------------------------------*/ -int free_field(FIELD * field) -{ - if (!field) - RETURN(E_BAD_ARGUMENT); - - if (field->form) - RETURN(E_CONNECTED); - - if (field == field->link) - { - if (field->buf) - free(field->buf); - } - else - { - FIELD *f; - - for(f=field;f->link != field;f = f->link) - {} - f->link = field->link; - } - _nc_Free_Type(field); - free(field); - RETURN(E_OK); -} - -/* fld_def.c ends here */ |