xref: /freebsd/contrib/ncurses/ncurses/tinfo/comp_error.c (revision c96ae1968a6ab7056427a739bce81bf07447c2d4)
1 /****************************************************************************
2  * Copyright (c) 1998-2002,2005 Free Software Foundation, Inc.              *
3  *                                                                          *
4  * Permission is hereby granted, free of charge, to any person obtaining a  *
5  * copy of this software and associated documentation files (the            *
6  * "Software"), to deal in the Software without restriction, including      *
7  * without limitation the rights to use, copy, modify, merge, publish,      *
8  * distribute, distribute with modifications, sublicense, and/or sell       *
9  * copies of the Software, and to permit persons to whom the Software is    *
10  * furnished to do so, subject to the following conditions:                 *
11  *                                                                          *
12  * The above copyright notice and this permission notice shall be included  *
13  * in all copies or substantial portions of the Software.                   *
14  *                                                                          *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22  *                                                                          *
23  * Except as contained in this notice, the name(s) of the above copyright   *
24  * holders shall not be used in advertising or otherwise to promote the     *
25  * sale, use or other dealings in this Software without prior written       *
26  * authorization.                                                           *
27  ****************************************************************************/
28 
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  *     and: Thomas E. Dickey                        1996-on                 *
33  ****************************************************************************/
34 
35 /*
36  *	comp_error.c -- Error message routines
37  *
38  */
39 
40 #include <curses.priv.h>
41 
42 #include <tic.h>
43 
44 MODULE_ID("$Id: comp_error.c,v 1.30 2005/11/26 15:28:47 tom Exp $")
45 
46 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
47 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
48 NCURSES_EXPORT_VAR(int) _nc_curr_col = 0; /* current column # in input */
49 
50 static const char *sourcename;
51 static char *termtype;
52 
53 NCURSES_EXPORT(const char *)
54 _nc_get_source(void)
55 {
56     return sourcename;
57 }
58 
59 NCURSES_EXPORT(void)
60 _nc_set_source(const char *const name)
61 {
62     sourcename = name;
63 }
64 
65 NCURSES_EXPORT(void)
66 _nc_set_type(const char *const name)
67 {
68     if (termtype == 0)
69 	termtype = typeMalloc(char, MAX_NAME_SIZE + 1);
70     if (termtype != 0) {
71 	termtype[0] = '\0';
72 	if (name)
73 	    strncat(termtype, name, MAX_NAME_SIZE);
74     }
75 }
76 
77 NCURSES_EXPORT(void)
78 _nc_get_type(char *name)
79 {
80 #if NO_LEAKS
81     if (name == 0 && termtype != 0) {
82 	FreeAndNull(termtype);
83 	return;
84     }
85 #endif
86     if (name != 0)
87 	strcpy(name, termtype != 0 ? termtype : "");
88 }
89 
90 static NCURSES_INLINE void
91 where_is_problem(void)
92 {
93     fprintf(stderr, "\"%s\"", sourcename);
94     if (_nc_curr_line >= 0)
95 	fprintf(stderr, ", line %d", _nc_curr_line);
96     if (_nc_curr_col >= 0)
97 	fprintf(stderr, ", col %d", _nc_curr_col);
98     if (termtype != 0 && termtype[0] != '\0')
99 	fprintf(stderr, ", terminal '%s'", termtype);
100     fputc(':', stderr);
101     fputc(' ', stderr);
102 }
103 
104 NCURSES_EXPORT(void)
105 _nc_warning(const char *const fmt,...)
106 {
107     va_list argp;
108 
109     if (_nc_suppress_warnings)
110 	return;
111 
112     where_is_problem();
113     va_start(argp, fmt);
114     vfprintf(stderr, fmt, argp);
115     fprintf(stderr, "\n");
116     va_end(argp);
117 }
118 
119 NCURSES_EXPORT(void)
120 _nc_err_abort(const char *const fmt,...)
121 {
122     va_list argp;
123 
124     where_is_problem();
125     va_start(argp, fmt);
126     vfprintf(stderr, fmt, argp);
127     fprintf(stderr, "\n");
128     va_end(argp);
129     exit(EXIT_FAILURE);
130 }
131 
132 NCURSES_EXPORT(void)
133 _nc_syserr_abort(const char *const fmt,...)
134 {
135     va_list argp;
136 
137     where_is_problem();
138     va_start(argp, fmt);
139     vfprintf(stderr, fmt, argp);
140     fprintf(stderr, "\n");
141     va_end(argp);
142 
143     /* If we're debugging, try to show where the problem occurred - this
144      * will dump core.
145      */
146 #if defined(TRACE) || !defined(NDEBUG)
147     abort();
148 #else
149     /* Dumping core in production code is not a good idea.
150      */
151     exit(EXIT_FAILURE);
152 #endif
153 }
154