1 /* $OpenBSD: comp_error.c,v 1.7 2023/10/17 09:52:09 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2019-2020,2023 Thomas E. Dickey *
5 * Copyright 1998-2012,2016 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
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, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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 *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
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 ****************************************************************************/
37
38 /*
39 * comp_error.c -- Error message routines
40 *
41 */
42
43 #include <curses.priv.h>
44
45 #include <tic.h>
46
47 MODULE_ID("$Id: comp_error.c,v 1.7 2023/10/17 09:52:09 nicm Exp $")
48
49 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
50 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
51 NCURSES_EXPORT_VAR(int) _nc_curr_col = 0; /* current column # in input */
52
53 #define SourceName _nc_globals.comp_sourcename
54 #define TermType _nc_globals.comp_termtype
55
56 NCURSES_EXPORT(const char *)
_nc_get_source(void)57 _nc_get_source(void)
58 {
59 return SourceName;
60 }
61
62 NCURSES_EXPORT(void)
_nc_set_source(const char * const name)63 _nc_set_source(const char *const name)
64 {
65 if (name == NULL) {
66 free(SourceName);
67 SourceName = NULL;
68 } else if (SourceName == NULL) {
69 SourceName = strdup(name);
70 } else if (strcmp(name, SourceName)) {
71 free(SourceName);
72 SourceName = strdup(name);
73 }
74 }
75
76 NCURSES_EXPORT(void)
_nc_set_type(const char * const name)77 _nc_set_type(const char *const name)
78 {
79 #define MY_SIZE (size_t) MAX_NAME_SIZE
80 if (TermType == 0)
81 TermType = typeMalloc(char, MY_SIZE + 1);
82 if (TermType != 0) {
83 TermType[0] = '\0';
84 if (name) {
85 _nc_STRNCAT(TermType, name, MY_SIZE, MY_SIZE);
86 }
87 }
88 }
89
90 NCURSES_EXPORT(void)
_nc_get_type(char * name)91 _nc_get_type(char *name)
92 {
93 #if NO_LEAKS
94 if (name == 0 && TermType != 0) {
95 FreeAndNull(TermType);
96 return;
97 }
98 #endif
99 if (name != 0)
100 _nc_STRCPY(name, TermType != 0 ? TermType : "", MAX_NAME_SIZE);
101 }
102
103 static NCURSES_INLINE void
where_is_problem(void)104 where_is_problem(void)
105 {
106 fprintf(stderr, "\"%s\"", SourceName ? SourceName : "?");
107 if (_nc_curr_line > 0)
108 fprintf(stderr, ", line %d", _nc_curr_line);
109 if (_nc_curr_col > 0)
110 fprintf(stderr, ", col %d", _nc_curr_col);
111 if (TermType != 0 && TermType[0] != '\0')
112 fprintf(stderr, ", terminal '%s'", TermType);
113 fputc(':', stderr);
114 fputc(' ', stderr);
115 }
116
117 NCURSES_EXPORT(void)
_nc_warning(const char * const fmt,...)118 _nc_warning(const char *const fmt, ...)
119 {
120 va_list argp;
121
122 if (_nc_suppress_warnings)
123 return;
124
125 where_is_problem();
126 va_start(argp, fmt);
127 vfprintf(stderr, fmt, argp);
128 fprintf(stderr, "\n");
129 va_end(argp);
130 }
131
132 NCURSES_EXPORT(void)
_nc_err_abort(const char * const fmt,...)133 _nc_err_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 exit(EXIT_FAILURE);
143 }
144
145 NCURSES_EXPORT(void)
_nc_syserr_abort(const char * const fmt,...)146 _nc_syserr_abort(const char *const fmt, ...)
147 {
148 va_list argp;
149
150 where_is_problem();
151 va_start(argp, fmt);
152 vfprintf(stderr, fmt, argp);
153 fprintf(stderr, "\n");
154 va_end(argp);
155
156 #if defined(TRACE) || !defined(NDEBUG)
157 /* If we're debugging, try to show where the problem occurred - this
158 * will dump core.
159 */
160 if (_nc_env_access())
161 abort();
162 #endif
163 /* Dumping core in production code is not a good idea.
164 */
165 exit(EXIT_FAILURE);
166 }
167
168 #if NO_LEAKS
169 NCURSES_EXPORT(void)
_nc_comp_error_leaks(void)170 _nc_comp_error_leaks(void)
171 {
172 FreeAndNull(SourceName);
173 FreeAndNull(TermType);
174 }
175 #endif
176