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diff --git a/contrib/ncurses/form/form.priv.h b/contrib/ncurses/form/form.priv.h
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--- a/contrib/ncurses/form/form.priv.h
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-/****************************************************************************
- * Copyright (c) 1998-2004,2005 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 *
- ****************************************************************************/
-
-/* $Id: form.priv.h,v 0.26 2006/12/17 19:47:09 tom Exp $ */
-
-#ifndef FORM_PRIV_H
-#define FORM_PRIV_H 1
-
-#include "curses.priv.h"
-#include "mf_common.h"
-
-#if USE_WIDEC_SUPPORT
-#include <wchar.h>
-
-#if HAVE_WCTYPE_H
-#include <wctype.h>
-#endif
-
-#ifndef MB_LEN_MAX
-#define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
-#endif
-
-#define FIELD_CELL NCURSES_CH_T
-
-#define NCURSES_FIELD_INTERNALS char** expanded; WINDOW *working;
-#define NCURSES_FIELD_EXTENSION , (char **)0, (WINDOW *)0
-
-#else
-
-#define FIELD_CELL char
-
-#define NCURSES_FIELD_EXTENSION /* nothing */
-
-#endif
-
-#include "form.h"
-
-/* form status values */
-#define _OVLMODE (0x04U) /* Form is in overlay mode */
-#define _WINDOW_MODIFIED (0x10U) /* Current field window has been modified */
-#define _FCHECK_REQUIRED (0x20U) /* Current field needs validation */
-
-/* field status values */
-#define _CHANGED (0x01U) /* Field has been changed */
-#define _NEWTOP (0x02U) /* Vertical scrolling occurred */
-#define _NEWPAGE (0x04U) /* field begins new page of form */
-#define _MAY_GROW (0x08U) /* dynamic field may still grow */
-
-/* fieldtype status values */
-#define _LINKED_TYPE (0x01U) /* Type is a linked type */
-#define _HAS_ARGS (0x02U) /* Type has arguments */
-#define _HAS_CHOICE (0x04U) /* Type has choice methods */
-#define _RESIDENT (0x08U) /* Type is built-in */
-
-/* This are the field options required to be a selectable field in field
- navigation requests */
-#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)
-
-/* If form is NULL replace form argument by default-form */
-#define Normalize_Form(form) \
- ((form) = (form != 0) ? (form) : _nc_Default_Form)
-
-/* If field is NULL replace field argument by default-field */
-#define Normalize_Field(field) \
- ((field) = (field != 0) ? (field) : _nc_Default_Field)
-
-/* Retrieve forms window */
-#define Get_Form_Window(form) \
- ((form)->sub?(form)->sub:((form)->win?(form)->win:stdscr))
-
-/* Calculate the size for a single buffer for this field */
-#define Buffer_Length(field) ((field)->drows * (field)->dcols)
-
-/* Calculate the total size of all buffers for this field */
-#define Total_Buffer_Size(field) \
- ( (Buffer_Length(field) + 1) * (1+(field)->nbuf) * sizeof(FIELD_CELL) )
-
-/* Logic to determine whether or not a field is single lined */
-#define Single_Line_Field(field) \
- (((field)->rows + (field)->nrow) == 1)
-
-/* Logic to determine whether or not a field is selectable */
-#define Field_Is_Selectable(f) (((unsigned)((f)->opts) & O_SELECTABLE)==O_SELECTABLE)
-#define Field_Is_Not_Selectable(f) (((unsigned)((f)->opts) & O_SELECTABLE)!=O_SELECTABLE)
-
-typedef struct typearg
- {
- struct typearg *left;
- struct typearg *right;
- }
-TypeArgument;
-
-/* This is a dummy request code (normally invalid) to be used internally
- with the form_driver() routine to position to the first active field
- on the form
-*/
-#define FIRST_ACTIVE_MAGIC (-291056)
-
-#define ALL_FORM_OPTS ( \
- O_NL_OVERLOAD |\
- O_BS_OVERLOAD )
-
-#define ALL_FIELD_OPTS (Field_Options)( \
- O_VISIBLE |\
- O_ACTIVE |\
- O_PUBLIC |\
- O_EDIT |\
- O_WRAP |\
- O_BLANK |\
- O_AUTOSKIP|\
- O_NULLOK |\
- O_PASSOK |\
- O_STATIC )
-
-#define C_BLANK ' '
-#define is_blank(c) ((c)==C_BLANK)
-
-#define C_ZEROS '\0'
-
-extern NCURSES_EXPORT_VAR(const FIELDTYPE *) _nc_Default_FieldType;
-
-extern NCURSES_EXPORT(TypeArgument *) _nc_Make_Argument (const FIELDTYPE*, va_list*, int*);
-extern NCURSES_EXPORT(TypeArgument *) _nc_Copy_Argument (const FIELDTYPE*, const TypeArgument*, int*);
-extern NCURSES_EXPORT(void) _nc_Free_Argument (const FIELDTYPE*, TypeArgument*);
-extern NCURSES_EXPORT(bool) _nc_Copy_Type (FIELD*, FIELD const *);
-extern NCURSES_EXPORT(void) _nc_Free_Type (FIELD *);
-
-extern NCURSES_EXPORT(int) _nc_Synchronize_Attributes (FIELD*);
-extern NCURSES_EXPORT(int) _nc_Synchronize_Options (FIELD*, Field_Options);
-extern NCURSES_EXPORT(int) _nc_Set_Form_Page (FORM*, int, FIELD*);
-extern NCURSES_EXPORT(int) _nc_Refresh_Current_Field (FORM*);
-extern NCURSES_EXPORT(FIELD *) _nc_First_Active_Field (FORM*);
-extern NCURSES_EXPORT(bool) _nc_Internal_Validation (FORM*);
-extern NCURSES_EXPORT(int) _nc_Set_Current_Field (FORM*, FIELD*);
-extern NCURSES_EXPORT(int) _nc_Position_Form_Cursor (FORM*);
-
-#if USE_WIDEC_SUPPORT
-extern NCURSES_EXPORT(wchar_t *) _nc_Widen_String(char *, int *);
-#endif
-
-#ifdef TRACE
-
-#define returnField(code) TRACE_RETURN(code,field)
-#define returnFieldPtr(code) TRACE_RETURN(code,field_ptr)
-#define returnForm(code) TRACE_RETURN(code,form)
-#define returnFieldType(code) TRACE_RETURN(code,field_type)
-#define returnFormHook(code) TRACE_RETURN(code,form_hook)
-
-extern NCURSES_EXPORT(FIELD **) _nc_retrace_field_ptr (FIELD **);
-extern NCURSES_EXPORT(FIELD *) _nc_retrace_field (FIELD *);
-extern NCURSES_EXPORT(FIELDTYPE *) _nc_retrace_field_type (FIELDTYPE *);
-extern NCURSES_EXPORT(FORM *) _nc_retrace_form (FORM *);
-extern NCURSES_EXPORT(Form_Hook) _nc_retrace_form_hook (Form_Hook);
-
-#else /* !TRACE */
-
-#define returnFieldPtr(code) return code
-#define returnFieldType(code) return code
-#define returnField(code) return code
-#define returnForm(code) return code
-#define returnFormHook(code) return code
-
-#endif /* TRACE/!TRACE */
-
-/*
- * Use Check_CTYPE_Field() to simplify FIELDTYPE's that use only the ccheck()
- * function.
- */
-#if USE_WIDEC_SUPPORT
-#define Check_CTYPE_Field(result, buffer, width, ccheck) \
- while (*buffer && *buffer == ' ') \
- buffer++; \
- if (*buffer) \
- { \
- bool blank = FALSE; \
- int len; \
- int n; \
- wchar_t *list = _nc_Widen_String((char *)buffer, &len); \
- if (list != 0) \
- { \
- result = TRUE; \
- for (n = 0; n < len; ++n) \
- { \
- if (blank) \
- { \
- if (list[n] != ' ') \
- { \
- result = FALSE; \
- break; \
- } \
- } \
- else if (list[n] == ' ') \
- { \
- blank = TRUE; \
- result = (n + 1 >= width); \
- } \
- else if (!ccheck(list[n], NULL)) \
- { \
- result = FALSE; \
- break; \
- } \
- } \
- free(list); \
- } \
- }
-#else
-#define Check_CTYPE_Field(result, buffer, width, ccheck) \
- while (*buffer && *buffer == ' ') \
- buffer++; \
- if (*buffer) \
- { \
- unsigned char *s = buffer; \
- int l = -1; \
- while (*buffer && ccheck(*buffer, NULL)) \
- buffer++; \
- l = (int)(buffer - s); \
- while (*buffer && *buffer == ' ') \
- buffer++; \
- result = ((*buffer || (l < width)) ? FALSE : TRUE); \
- }
-#endif
-
-#endif /* FORM_PRIV_H */
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