xref: /freebsd/contrib/ncurses/ncurses/tinfo/comp_error.c (revision bc96366c864c07ef352edb92017357917c75b36c)
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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 1.36 2012/02/22 22:34:31 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 #define SourceName	_nc_globals.comp_sourcename
51 #define TermType	_nc_globals.comp_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     FreeIfNeeded(SourceName);
63     SourceName = strdup(name);
64 }
65 
66 NCURSES_EXPORT(void)
67 _nc_set_type(const char *const name)
68 {
69     if (TermType == 0)
70 	TermType = typeMalloc(char, MAX_NAME_SIZE + 1);
71     if (TermType != 0) {
72 	TermType[0] = '\0';
73 	if (name)
74 	    strncat(TermType, name, (size_t) MAX_NAME_SIZE);
75     }
76 }
77 
78 NCURSES_EXPORT(void)
79 _nc_get_type(char *name)
80 {
81 #if NO_LEAKS
82     if (name == 0 && TermType != 0) {
83 	FreeAndNull(TermType);
84 	return;
85     }
86 #endif
87     if (name != 0)
88 	_nc_STRCPY(name, TermType != 0 ? TermType : "", MAX_NAME_SIZE);
89 }
90 
91 static NCURSES_INLINE void
92 where_is_problem(void)
93 {
94     fprintf(stderr, "\"%s\"", SourceName ? SourceName : "?");
95     if (_nc_curr_line >= 0)
96 	fprintf(stderr, ", line %d", _nc_curr_line);
97     if (_nc_curr_col >= 0)
98 	fprintf(stderr, ", col %d", _nc_curr_col);
99     if (TermType != 0 && TermType[0] != '\0')
100 	fprintf(stderr, ", terminal '%s'", TermType);
101     fputc(':', stderr);
102     fputc(' ', stderr);
103 }
104 
105 NCURSES_EXPORT(void)
106 _nc_warning(const char *const fmt,...)
107 {
108     va_list argp;
109 
110     if (_nc_suppress_warnings)
111 	return;
112 
113     where_is_problem();
114     va_start(argp, fmt);
115     vfprintf(stderr, fmt, argp);
116     fprintf(stderr, "\n");
117     va_end(argp);
118 }
119 
120 NCURSES_EXPORT(void)
121 _nc_err_abort(const char *const fmt,...)
122 {
123     va_list argp;
124 
125     where_is_problem();
126     va_start(argp, fmt);
127     vfprintf(stderr, fmt, argp);
128     fprintf(stderr, "\n");
129     va_end(argp);
130     exit(EXIT_FAILURE);
131 }
132 
133 NCURSES_EXPORT(void)
134 _nc_syserr_abort(const char *const fmt,...)
135 {
136     va_list argp;
137 
138     where_is_problem();
139     va_start(argp, fmt);
140     vfprintf(stderr, fmt, argp);
141     fprintf(stderr, "\n");
142     va_end(argp);
143 
144     /* If we're debugging, try to show where the problem occurred - this
145      * will dump core.
146      */
147 #if defined(TRACE) || !defined(NDEBUG)
148     abort();
149 #else
150     /* Dumping core in production code is not a good idea.
151      */
152     exit(EXIT_FAILURE);
153 #endif
154 }
155 
156 #if NO_LEAKS
157 NCURSES_EXPORT(void)
158 _nc_comp_error_leaks(void)
159 {
160     FreeAndNull(SourceName);
161     FreeAndNull(TermType);
162 }
163 #endif
164