1 /**************************************************************************** 2 * Copyright 2019,2020 Thomas E. Dickey * 3 * Copyright 1998-2012,2016 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 * and: Thomas E. Dickey 1996-on * 34 ****************************************************************************/ 35 36 /* 37 * comp_error.c -- Error message routines 38 * 39 */ 40 41 #include <curses.priv.h> 42 43 #include <tic.h> 44 45 MODULE_ID("$Id: comp_error.c,v 1.40 2020/02/02 23:34:34 tom Exp $") 46 47 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE; 48 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */ 49 NCURSES_EXPORT_VAR(int) _nc_curr_col = 0; /* current column # in input */ 50 51 #define SourceName _nc_globals.comp_sourcename 52 #define TermType _nc_globals.comp_termtype 53 54 NCURSES_EXPORT(const char *) 55 _nc_get_source(void) 56 { 57 return SourceName; 58 } 59 60 NCURSES_EXPORT(void) 61 _nc_set_source(const char *const name) 62 { 63 FreeIfNeeded(SourceName); 64 SourceName = strdup(name); 65 } 66 67 NCURSES_EXPORT(void) 68 _nc_set_type(const char *const name) 69 { 70 #define MY_SIZE (size_t) MAX_NAME_SIZE 71 if (TermType == 0) 72 TermType = typeMalloc(char, MY_SIZE + 1); 73 if (TermType != 0) { 74 TermType[0] = '\0'; 75 if (name) { 76 _nc_STRNCAT(TermType, name, MY_SIZE, MY_SIZE); 77 } 78 } 79 } 80 81 NCURSES_EXPORT(void) 82 _nc_get_type(char *name) 83 { 84 #if NO_LEAKS 85 if (name == 0 && TermType != 0) { 86 FreeAndNull(TermType); 87 return; 88 } 89 #endif 90 if (name != 0) 91 _nc_STRCPY(name, TermType != 0 ? TermType : "", MAX_NAME_SIZE); 92 } 93 94 static NCURSES_INLINE void 95 where_is_problem(void) 96 { 97 fprintf(stderr, "\"%s\"", SourceName ? SourceName : "?"); 98 if (_nc_curr_line >= 0) 99 fprintf(stderr, ", line %d", _nc_curr_line); 100 if (_nc_curr_col >= 0) 101 fprintf(stderr, ", col %d", _nc_curr_col); 102 if (TermType != 0 && TermType[0] != '\0') 103 fprintf(stderr, ", terminal '%s'", TermType); 104 fputc(':', stderr); 105 fputc(' ', stderr); 106 } 107 108 NCURSES_EXPORT(void) 109 _nc_warning(const char *const fmt, ...) 110 { 111 va_list argp; 112 113 if (_nc_suppress_warnings) 114 return; 115 116 where_is_problem(); 117 va_start(argp, fmt); 118 vfprintf(stderr, fmt, argp); 119 fprintf(stderr, "\n"); 120 va_end(argp); 121 } 122 123 NCURSES_EXPORT(void) 124 _nc_err_abort(const char *const fmt, ...) 125 { 126 va_list argp; 127 128 where_is_problem(); 129 va_start(argp, fmt); 130 vfprintf(stderr, fmt, argp); 131 fprintf(stderr, "\n"); 132 va_end(argp); 133 exit(EXIT_FAILURE); 134 } 135 136 NCURSES_EXPORT(void) 137 _nc_syserr_abort(const char *const fmt, ...) 138 { 139 va_list argp; 140 141 where_is_problem(); 142 va_start(argp, fmt); 143 vfprintf(stderr, fmt, argp); 144 fprintf(stderr, "\n"); 145 va_end(argp); 146 147 #if defined(TRACE) || !defined(NDEBUG) 148 /* If we're debugging, try to show where the problem occurred - this 149 * will dump core. 150 */ 151 #ifndef USE_ROOT_ENVIRON 152 if (getuid() != ROOT_UID) 153 #endif 154 abort(); 155 #endif 156 /* Dumping core in production code is not a good idea. 157 */ 158 exit(EXIT_FAILURE); 159 } 160 161 #if NO_LEAKS 162 NCURSES_EXPORT(void) 163 _nc_comp_error_leaks(void) 164 { 165 FreeAndNull(SourceName); 166 FreeAndNull(TermType); 167 } 168 #endif 169