xref: /openbsd/lib/libcurses/tinfo/lib_longname.c (revision 4bdff4be)
1 /* $OpenBSD: lib_longname.c,v 1.4 2023/10/17 09:52:09 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright 2020,2021 Thomas E. Dickey                                     *
5  * Copyright 1998-2010,2015 Free Software Foundation, Inc.                  *
6  *                                                                          *
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8  * copy of this software and associated documentation files (the            *
9  * "Software"), to deal in the Software without restriction, including      *
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11  * distribute, distribute with modifications, sublicense, and/or sell       *
12  * copies of the Software, and to permit persons to whom the Software is    *
13  * furnished to do so, subject to the following conditions:                 *
14  *                                                                          *
15  * The above copyright notice and this permission notice shall be included  *
16  * in all copies or substantial portions of the Software.                   *
17  *                                                                          *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
21  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
24  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
25  *                                                                          *
26  * Except as contained in this notice, the name(s) of the above copyright   *
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31 
32 /****************************************************************************
33  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
34  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
35  *     and: Thomas E. Dickey                        1996-on                 *
36  *     and: Juergen Pfeifer                         2009                    *
37  ****************************************************************************/
38 
39 /*
40 **	lib_longname.c
41 **
42 **	The routine longname().
43 **
44 */
45 
46 #include <curses.priv.h>
47 
48 MODULE_ID("$Id: lib_longname.c,v 1.4 2023/10/17 09:52:09 nicm Exp $")
49 
50 #if USE_REENTRANT
51 NCURSES_EXPORT(char *)
52 NCURSES_SP_NAME(longname) (NCURSES_SP_DCL0)
53 {
54     static char empty[] =
55     {'\0'};
56 
57     T((T_CALLED("longname(%p)"), (void *) SP_PARM));
58 
59     if (SP_PARM) {
60 	char *ptr;
61 
62 	for (ptr = SP_PARM->_ttytype + strlen(SP_PARM->_ttytype);
63 	     ptr > SP_PARM->_ttytype;
64 	     ptr--)
65 	    if (*ptr == '|')
66 		returnPtr(ptr + 1);
67 	returnPtr(SP_PARM->_ttytype);
68     }
69     return empty;
70 }
71 
72 #if NCURSES_SP_FUNCS
73 NCURSES_EXPORT(char *)
74 longname(void)
75 {
76     return NCURSES_SP_NAME(longname) (CURRENT_SCREEN);
77 }
78 #endif
79 
80 #else
81 
82 /* a dummy entrypoint is simpler than generating a conditional in curses.h */
83 #if NCURSES_SP_FUNCS
84 NCURSES_EXPORT(char *)
85 NCURSES_SP_NAME(longname) (NCURSES_SP_DCL0)
86 {
87     (void) SP_PARM;
88     return longname();
89 }
90 #endif
91 
92 NCURSES_EXPORT(char *)
93 longname(void)
94 {
95     char *ptr;
96 
97     T((T_CALLED("longname()")));
98 
99     for (ptr = ttytype + strlen(ttytype);
100 	 ptr > ttytype;
101 	 ptr--)
102 	if (*ptr == '|')
103 	    returnPtr(ptr + 1);
104     returnPtr(ttytype);
105 }
106 #endif
107