xref: /openbsd-src/lib/libcurses/tinfo/comp_error.c (revision 46035553bfdd96e63c94e32da0210227ec2e3cf1)
1 /* $OpenBSD: comp_error.c,v 1.6 2010/01/12 23:22:06 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 1998-2005,2007 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  *     and: Thomas E. Dickey                        1996-on                 *
35  ****************************************************************************/
36 
37 /*
38  *	comp_error.c -- Error message routines
39  *
40  */
41 
42 #include <curses.priv.h>
43 
44 #include <tic.h>
45 
46 MODULE_ID("$Id: comp_error.c,v 1.6 2010/01/12 23:22:06 nicm Exp $")
47 
48 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
49 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
50 NCURSES_EXPORT_VAR(int) _nc_curr_col = 0; /* current column # in input */
51 
52 #define SourceName	_nc_globals.comp_sourcename
53 #define TermType	_nc_globals.comp_termtype
54 
55 NCURSES_EXPORT(const char *)
56 _nc_get_source(void)
57 {
58     return SourceName;
59 }
60 
61 NCURSES_EXPORT(void)
62 _nc_set_source(const char *const name)
63 {
64     SourceName = name;
65 }
66 
67 NCURSES_EXPORT(void)
68 _nc_set_type(const char *const name)
69 {
70     if (TermType == 0)
71 	TermType = typeMalloc(char, MAX_NAME_SIZE + 1);
72     if (TermType != 0) {
73 	TermType[0] = '\0';
74 	if (name)
75 	    strncat(TermType, name, MAX_NAME_SIZE);
76     }
77 }
78 
79 NCURSES_EXPORT(void)
80 _nc_get_type(char *name)
81 {
82 #if NO_LEAKS
83     if (name == 0 && TermType != 0) {
84 	FreeAndNull(TermType);
85 	return;
86     }
87 #endif
88     if (name != 0)
89         strlcpy(name, TermType != 0 ? TermType : "", MAX_NAME_SIZE + 1);
90 }
91 
92 static NCURSES_INLINE void
93 where_is_problem(void)
94 {
95     fprintf(stderr, "\"%s\"", SourceName ? SourceName : "?");
96     if (_nc_curr_line >= 0)
97 	fprintf(stderr, ", line %d", _nc_curr_line);
98     if (_nc_curr_col >= 0)
99 	fprintf(stderr, ", col %d", _nc_curr_col);
100     if (TermType != 0 && TermType[0] != '\0')
101 	fprintf(stderr, ", terminal '%s'", TermType);
102     fputc(':', stderr);
103     fputc(' ', stderr);
104 }
105 
106 NCURSES_EXPORT(void)
107 _nc_warning(const char *const fmt,...)
108 {
109     va_list argp;
110 
111     if (_nc_suppress_warnings)
112 	return;
113 
114     where_is_problem();
115     va_start(argp, fmt);
116     vfprintf(stderr, fmt, argp);
117     fprintf(stderr, "\n");
118     va_end(argp);
119 }
120 
121 NCURSES_EXPORT(void)
122 _nc_err_abort(const char *const fmt,...)
123 {
124     va_list argp;
125 
126     where_is_problem();
127     va_start(argp, fmt);
128     vfprintf(stderr, fmt, argp);
129     fprintf(stderr, "\n");
130     va_end(argp);
131     exit(EXIT_FAILURE);
132 }
133 
134 NCURSES_EXPORT(void)
135 _nc_syserr_abort(const char *const fmt,...)
136 {
137     va_list argp;
138 
139     where_is_problem();
140     va_start(argp, fmt);
141     vfprintf(stderr, fmt, argp);
142     fprintf(stderr, "\n");
143     va_end(argp);
144 
145     /* If we're debugging, try to show where the problem occurred - this
146      * will dump core.
147      */
148 #if defined(TRACE) || !defined(NDEBUG)
149     abort();
150 #else
151     /* Dumping core in production code is not a good idea.
152      */
153     exit(EXIT_FAILURE);
154 #endif
155 }
156