contrib/ncurses-5.4/ncurses/tinfo/comp_error.c

   1 /****************************************************************************
   2  * Copyright (c) 1998-2001,2002 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  ****************************************************************************/
  33
  34 /*
  35  *      comp_error.c -- Error message routines
  36  *
  37  */
  38
  39 #include <curses.priv.h>
  40
  41 #include <tic.h>
  42
  43 MODULE_ID("$Id: comp_error.c,v 1.25 2002/09/07 20:05:07 tom Exp $")
  44
  45 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
  46 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
  47 NCURSES_EXPORT_VAR(int) _nc_curr_col = 0; /* current column # in input */
  48
  49 static const char *sourcename;
  50 static char *termtype;
  51
  52 NCURSES_EXPORT(void)
  53 _nc_set_source(const char *const name)
  54 {
  55     sourcename = name;
  56 }
  57
  58 NCURSES_EXPORT(void)
  59 _nc_set_type(const char *const name)
  60 {
  61     if (termtype == 0)
  62         termtype = typeMalloc(char, MAX_NAME_SIZE + 1);
  63     if (termtype != 0) {
  64         termtype[0] = '\0';
  65         if (name)
  66             strncat(termtype, name, MAX_NAME_SIZE);
  67     }
  68 }
  69
  70 NCURSES_EXPORT(void)
  71 _nc_get_type(char *name)
  72 {
  73     strcpy(name, termtype != 0 ? termtype : "");
  74 }
  75
  76 static inline void
  77 where_is_problem(void)
  78 {
  79     fprintf(stderr, "\"%s\"", sourcename);
  80     if (_nc_curr_line >= 0)
  81         fprintf(stderr, ", line %d", _nc_curr_line);
  82     if (_nc_curr_col >= 0)
  83         fprintf(stderr, ", col %d", _nc_curr_col);
  84     if (termtype != 0 && termtype[0] != '\0')
  85         fprintf(stderr, ", terminal '%s'", termtype);
  86     fputc(':', stderr);
  87     fputc(' ', stderr);
  88 }
  89
  90 NCURSES_EXPORT(void)
  91 _nc_warning(const char *const fmt,...)
  92 {
  93     va_list argp;
  94
  95     if (_nc_suppress_warnings)
  96         return;
  97
  98     where_is_problem();
  99     va_start(argp, fmt);
 100     vfprintf(stderr, fmt, argp);
 101     fprintf(stderr, "\n");
 102     va_end(argp);
 103 }
 104
 105 NCURSES_EXPORT(void)
 106 _nc_err_abort(const char *const fmt,...)
 107 {
 108     va_list argp;
 109
 110     where_is_problem();
 111     va_start(argp, fmt);
 112     vfprintf(stderr, fmt, argp);
 113     fprintf(stderr, "\n");
 114     va_end(argp);
 115     exit(EXIT_FAILURE);
 116 }
 117
 118 NCURSES_EXPORT(void)
 119 _nc_syserr_abort(const char *const fmt,...)
 120 {
 121     va_list argp;
 122
 123     where_is_problem();
 124     va_start(argp, fmt);
 125     vfprintf(stderr, fmt, argp);
 126     fprintf(stderr, "\n");
 127     va_end(argp);
 128
 129     /* If we're debugging, try to show where the problem occurred - this
 130      * will dump core.
 131      */
 132 #if defined(TRACE) || !defined(NDEBUG)
 133     abort();
 134 #else
 135     /* Dumping core in production code is not a good idea.
 136      */
 137     exit(EXIT_FAILURE);
 138 #endif
 139 }