release/src/router/libncurses/ncurses/tinfo/comp_error.c

   1 /****************************************************************************
   2  * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
   3  *                                                                          *
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  11  *                                                                          *
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  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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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