Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libmenu/m_item_new.c	Lines:	0	55	0.0 %
Date:	2017-11-13	Branches:	0	50	0.0 %


/* $OpenBSD: m_item_new.c,v 1.9 2010/01/12 23:22:08 nicm Exp $ */

/****************************************************************************
 * Copyright (c) 1998-2005,2006 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                                    *
 ****************************************************************************/

/***************************************************************************
* Module m_item_new                                                        *
* Create and destroy menu items                                            *
* Set and get marker string for menu                                       *
***************************************************************************/

#include "menu.priv.h"

#if USE_WIDEC_SUPPORT
#if HAVE_WCTYPE_H
#include <wctype.h>
#endif
#endif

MODULE_ID("$Id: m_item_new.c,v 1.9 2010/01/12 23:22:08 nicm Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  bool Is_Printable_String(const char *s)
|
|   Description   :  Checks whether or not the string contains only printable
|                    characters.
|
|   Return Values :  TRUE     - if string is printable
|                    FALSE    - if string contains non-printable characters
+--------------------------------------------------------------------------*/
static bool
Is_Printable_String(const char *s)
{
  int result = TRUE;

#if USE_WIDEC_SUPPORT
  int count = mbstowcs(0, s, 0);
  wchar_t *temp = 0;

  assert(s);

  if (count > 0
      && (temp = typeCalloc(wchar_t, (2 + (unsigned)count))) != 0)
    {
      int n;

      mbstowcs(temp, s, (unsigned)count);
      for (n = 0; n < count; ++n)
	if (!iswprint((wint_t) temp[n]))
	  {
	    result = FALSE;
	    break;
	  }
      free(temp);
    }
#else
  assert(s);
  while (*s)
    {
      if (!isprint(UChar(*s)))
	{
	  result = FALSE;
	  break;
	}
      s++;
    }
#endif
  return result;
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  ITEM *new_item(char *name, char *description)
|
|   Description   :  Create a new item with name and description. Return
|                    a pointer to this new item.
|                    N.B.: an item must(!) have a name.
|
|   Return Values :  The item pointer or NULL if creation failed.
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(ITEM *)
new_item(const char *name, const char *description)
{
  ITEM *item;

  T((T_CALLED("new_item(\"%s\", \"%s\")"),
     name ? name : "",
     description ? description : ""));

  if (!name || (*name == '\0') || !Is_Printable_String(name))
    {
      item = (ITEM *) 0;
      SET_ERROR(E_BAD_ARGUMENT);
    }
  else
    {
      item = (ITEM *) calloc(1, sizeof(ITEM));
      if (item)
	{
	  *item = _nc_Default_Item;	/* hope we have struct assignment */

	  item->name.length = strlen(name);
	  item->name.str = name;

	  if (description && (*description != '\0') &&
	      Is_Printable_String(description))
	    {
	      item->description.length = strlen(description);
	      item->description.str = description;
	    }
	  else
	    {
	      item->description.length = 0;
	      item->description.str = (char *)0;
	    }
	}
      else
	SET_ERROR(E_SYSTEM_ERROR);
    }
  returnItem(item);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  int free_item(ITEM *item)
|
|   Description   :  Free the allocated storage for this item.
|                    N.B.: a connected item can't be freed.
|
|   Return Values :  E_OK              - success
|                    E_BAD_ARGUMENT    - invalid value has been passed
|                    E_CONNECTED       - item is still connected to a menu
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
free_item(ITEM * item)
{
  T((T_CALLED("free_item(%p)"), item));

  if (!item)
    RETURN(E_BAD_ARGUMENT);

  if (item->imenu)
    RETURN(E_CONNECTED);

  free(item);

  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  int set_menu_mark( MENU *menu, const char *mark )
|
|   Description   :  Set the mark string used to indicate the current
|                    item (single-valued menu) or the selected items
|                    (multi-valued menu).
|                    The mark argument may be NULL, in which case no
|                    marker is used.
|                    This might be a little bit tricky, because this may
|                    affect the geometry of the menu, which we don't allow
|                    if it is already posted.
|
|   Return Values :  E_OK               - success
|                    E_BAD_ARGUMENT     - an invalid value has been passed
|                    E_SYSTEM_ERROR     - no memory to store mark
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_menu_mark(MENU * menu, const char *mark)
{
  unsigned l;

  T((T_CALLED("set_menu_mark(%p,%s)"), menu, _nc_visbuf(mark)));

  if (mark && (*mark != '\0') && Is_Printable_String(mark))
    l = strlen(mark);
  else
    l = 0;

  if (menu)
    {
      char *old_mark = menu->mark;
      unsigned short old_status = menu->status;

      if (menu->status & _POSTED)
	{
	  /* If the menu is already posted, the geometry is fixed. Then
	     we can only accept a mark with exactly the same length */
	  if (menu->marklen != (int)l)
	    RETURN(E_BAD_ARGUMENT);
	}
      menu->marklen = l;
      if (l)
	{
	  menu->mark = (char *)malloc(l + 1);
	  if (menu->mark)
	    {
	      strlcpy(menu->mark, mark, l+1);
	      if (menu != &_nc_Default_Menu)
		menu->status |= _MARK_ALLOCATED;
	    }
	  else
	    {
	      menu->mark = old_mark;
	      RETURN(E_SYSTEM_ERROR);
	    }
	}
      else
	menu->mark = (char *)0;

      if ((old_status & _MARK_ALLOCATED) && old_mark)
	free(old_mark);

      if (menu->status & _POSTED)
	{
	  _nc_Draw_Menu(menu);
	  _nc_Show_Menu(menu);
	}
      else
	{
	  /* Recalculate the geometry */
	  _nc_Calculate_Item_Length_and_Width(menu);
	}
    }
  else
    {
      returnCode(set_menu_mark(&_nc_Default_Menu, mark));
    }
  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu
|   Function      :  char *menu_mark(const MENU *menu)
|
|   Description   :  Return a pointer to the marker string
|
|   Return Values :  The marker string pointer or NULL if no marker defined
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(const char *)
menu_mark(const MENU * menu)
{
  T((T_CALLED("menu_mark(%p)"), menu));
  returnPtr(Normalize_Menu(menu)->mark);
}

/* m_item_new.c */


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: m_item_new.c,v 1.9 2010/01/12 23:22:08 nicm Exp $ */
2
3			/****************************************************************************
4			* Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. *
5			* *
6			* Permission is hereby granted, free of charge, to any person obtaining a *
7			* copy of this software and associated documentation files (the *
8			* "Software"), to deal in the Software without restriction, including *
9			* without limitation the rights to use, copy, modify, merge, publish, *
10			* distribute, distribute with modifications, sublicense, and/or sell *
11			* copies of the Software, and to permit persons to whom the Software is *
12			* furnished to do so, subject to the following conditions: *
13			* *
14			* The above copyright notice and this permission notice shall be included *
15			* in all copies or substantial portions of the Software. *
16			* *
17			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
18			* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
19			* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
20			* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
21			* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
22			* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
23			* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24			* *
25			* Except as contained in this notice, the name(s) of the above copyright *
26			* holders shall not be used in advertising or otherwise to promote the *
27			* sale, use or other dealings in this Software without prior written *
28			* authorization. *
29			****************************************************************************/
30
31			/****************************************************************************
32			* Author: Juergen Pfeifer, 1995,1997 *
33			****************************************************************************/
34
35			/***************************************************************************
36			* Module m_item_new *
37			* Create and destroy menu items *
38			* Set and get marker string for menu *
39			***************************************************************************/
40
41			#include "menu.priv.h"
42
43			#if USE_WIDEC_SUPPORT
44			#if HAVE_WCTYPE_H
45			#include <wctype.h>
46			#endif
47			#endif
48
49			MODULE_ID("$Id: m_item_new.c,v 1.9 2010/01/12 23:22:08 nicm Exp $")
50
51			/*---------------------------------------------------------------------------
52			\| Facility : libnmenu
53			\| Function : bool Is_Printable_String(const char *s)
54			\|
55			\| Description : Checks whether or not the string contains only printable
56			\| characters.
57			\|
58			\| Return Values : TRUE - if string is printable
59			\| FALSE - if string contains non-printable characters
60			+--------------------------------------------------------------------------*/
61			static bool
62			Is_Printable_String(const char *s)
63			{
64			int result = TRUE;
65
66			#if USE_WIDEC_SUPPORT
67			int count = mbstowcs(0, s, 0);
68			wchar_t *temp = 0;
69
70			assert(s);
71
72			if (count > 0
73			&& (temp = typeCalloc(wchar_t, (2 + (unsigned)count))) != 0)
74			{
75			int n;
76
77			mbstowcs(temp, s, (unsigned)count);
78			for (n = 0; n < count; ++n)
79			if (!iswprint((wint_t) temp[n]))
80			{
81			result = FALSE;
82			break;
83			}
84			free(temp);
85			}
86			#else
87			assert(s);
88			while (*s)
89			{
90			if (!isprint(UChar(*s)))
91			{
92			result = FALSE;
93			break;
94			}
95			s++;
96			}
97			#endif
98			return result;
99			}
100
101			/*---------------------------------------------------------------------------
102			\| Facility : libnmenu
103			\| Function : ITEM new_item(char name, char *description)
104			\|
105			\| Description : Create a new item with name and description. Return
106			\| a pointer to this new item.
107			\| N.B.: an item must(!) have a name.
108			\|
109			\| Return Values : The item pointer or NULL if creation failed.
110			+--------------------------------------------------------------------------*/
111			NCURSES_EXPORT(ITEM *)
112			new_item(const char name, const char description)
113			{
114			ITEM *item;
115
116			T((T_CALLED("new_item(\"%s\", \"%s\")"),
117			name ? name : "",
118			description ? description : ""));
119
120			if (!name \|\| (*name == '\0') \|\| !Is_Printable_String(name))
121			{
122			item = (ITEM *) 0;
123			SET_ERROR(E_BAD_ARGUMENT);
124			}
125			else
126			{
127			item = (ITEM *) calloc(1, sizeof(ITEM));
128			if (item)
129			{
130			item = _nc_Default_Item; / hope we have struct assignment */
131
132			item->name.length = strlen(name);
133			item->name.str = name;
134
135			if (description && (*description != '\0') &&
136			Is_Printable_String(description))
137			{
138			item->description.length = strlen(description);
139			item->description.str = description;
140			}
141			else
142			{
143			item->description.length = 0;
144			item->description.str = (char *)0;
145			}
146			}
147			else
148			SET_ERROR(E_SYSTEM_ERROR);
149			}
150			returnItem(item);
151			}
152
153			/*---------------------------------------------------------------------------
154			\| Facility : libnmenu
155			\| Function : int free_item(ITEM *item)
156			\|
157			\| Description : Free the allocated storage for this item.
158			\| N.B.: a connected item can't be freed.
159			\|
160			\| Return Values : E_OK - success
161			\| E_BAD_ARGUMENT - invalid value has been passed
162			\| E_CONNECTED - item is still connected to a menu
163			+--------------------------------------------------------------------------*/
164			NCURSES_EXPORT(int)
165			free_item(ITEM * item)
166			{
167			T((T_CALLED("free_item(%p)"), item));
168
169			if (!item)
170			RETURN(E_BAD_ARGUMENT);
171
172			if (item->imenu)
173			RETURN(E_CONNECTED);
174
175			free(item);
176
177			RETURN(E_OK);
178			}
179
180			/*---------------------------------------------------------------------------
181			\| Facility : libnmenu
182			\| Function : int set_menu_mark( MENU menu, const char mark )
183			\|
184			\| Description : Set the mark string used to indicate the current
185			\| item (single-valued menu) or the selected items
186			\| (multi-valued menu).
187			\| The mark argument may be NULL, in which case no
188			\| marker is used.
189			\| This might be a little bit tricky, because this may
190			\| affect the geometry of the menu, which we don't allow
191			\| if it is already posted.
192			\|
193			\| Return Values : E_OK - success
194			\| E_BAD_ARGUMENT - an invalid value has been passed
195			\| E_SYSTEM_ERROR - no memory to store mark
196			+--------------------------------------------------------------------------*/
197			NCURSES_EXPORT(int)
198			set_menu_mark(MENU * menu, const char *mark)
199			{
200			unsigned l;
201
202			T((T_CALLED("set_menu_mark(%p,%s)"), menu, _nc_visbuf(mark)));
203
204			if (mark && (*mark != '\0') && Is_Printable_String(mark))
205			l = strlen(mark);
206			else
207			l = 0;
208
209			if (menu)
210			{
211			char *old_mark = menu->mark;
212			unsigned short old_status = menu->status;
213
214			if (menu->status & _POSTED)
215			{
216			/* If the menu is already posted, the geometry is fixed. Then
217			we can only accept a mark with exactly the same length */
218			if (menu->marklen != (int)l)
219			RETURN(E_BAD_ARGUMENT);
220			}
221			menu->marklen = l;
222			if (l)
223			{
224			menu->mark = (char *)malloc(l + 1);
225			if (menu->mark)
226			{
227			strlcpy(menu->mark, mark, l+1);
228			if (menu != &_nc_Default_Menu)
229			menu->status \|= _MARK_ALLOCATED;
230			}
231			else
232			{
233			menu->mark = old_mark;
234			RETURN(E_SYSTEM_ERROR);
235			}
236			}
237			else
238			menu->mark = (char *)0;
239
240			if ((old_status & _MARK_ALLOCATED) && old_mark)
241			free(old_mark);
242
243			if (menu->status & _POSTED)
244			{
245			_nc_Draw_Menu(menu);
246			_nc_Show_Menu(menu);
247			}
248			else
249			{
250			/* Recalculate the geometry */
251			_nc_Calculate_Item_Length_and_Width(menu);
252			}
253			}
254			else
255			{
256			returnCode(set_menu_mark(&_nc_Default_Menu, mark));
257			}
258			RETURN(E_OK);
259			}
260
261			/*---------------------------------------------------------------------------
262			\| Facility : libnmenu
263			\| Function : char menu_mark(const MENU menu)
264			\|
265			\| Description : Return a pointer to the marker string
266			\|
267			\| Return Values : The marker string pointer or NULL if no marker defined
268			+--------------------------------------------------------------------------*/
269			NCURSES_EXPORT(const char *)
270			menu_mark(const MENU * menu)
271			{
272			T((T_CALLED("menu_mark(%p)"), menu));
273			returnPtr(Normalize_Menu(menu)->mark);
274			}
275
276			/* m_item_new.c */