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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 1999, 2005, 2006, 2007 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <stdarg.h> |
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28 #include <stdio.h> |
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29 #include <stdlib.h> |
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30 |
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31 #include "lo-error.h" |
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32 |
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33 /* Having this file in this directory is a kluge to avoid unresolved |
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34 symbol errors when creating shared versions of libcruft. */ |
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35 |
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36 /* Pointer to the current error handling function. */ |
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37 liboctave_error_handler current_liboctave_error_handler |
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38 = liboctave_fatal; |
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39 |
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40 /* Pointer to the current warning handler. */ |
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41 liboctave_warning_handler current_liboctave_warning_handler |
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42 = liboctave_warning; |
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43 |
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44 /* Pointer to the current warning_with_id handler. */ |
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45 liboctave_warning_with_id_handler current_liboctave_warning_with_id_handler |
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46 = liboctave_warning_with_id; |
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47 |
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48 static void |
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49 verror (const char *name, const char *fmt, va_list args) |
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50 { |
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51 if (name) |
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52 fprintf (stderr, "%s: ", name); |
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53 |
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54 vfprintf (stderr, fmt, args); |
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55 fprintf (stderr, "\n"); |
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56 fflush (stderr); |
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57 } |
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58 |
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59 void |
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60 set_liboctave_error_handler (liboctave_error_handler f) |
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61 { |
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62 if (f) |
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63 current_liboctave_error_handler = f; |
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64 else |
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65 current_liboctave_error_handler = liboctave_fatal; |
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66 } |
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67 |
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68 void |
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69 set_liboctave_warning_handler (liboctave_warning_handler f) |
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70 { |
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71 if (f) |
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72 current_liboctave_warning_handler = f; |
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73 else |
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74 current_liboctave_warning_handler = liboctave_warning; |
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75 } |
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76 |
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77 void |
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78 set_liboctave_warning_with_id_handler (liboctave_warning_with_id_handler f) |
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79 { |
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80 if (f) |
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81 current_liboctave_warning_with_id_handler = f; |
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82 else |
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83 current_liboctave_warning_with_id_handler = liboctave_warning_with_id; |
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84 } |
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85 |
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86 void |
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87 liboctave_fatal (const char *fmt, ...) |
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88 { |
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89 va_list args; |
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90 va_start (args, fmt); |
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91 verror ("fatal", fmt, args); |
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92 va_end (args); |
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93 |
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94 exit (1); |
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95 } |
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96 |
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97 void |
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98 liboctave_warning (const char *fmt, ...) |
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99 { |
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100 va_list args; |
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101 va_start (args, fmt); |
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102 verror ("warning", fmt, args); |
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103 va_end (args); |
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104 } |
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105 |
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106 void |
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107 liboctave_warning_with_id (const char *id, const char *fmt, ...) |
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108 { |
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109 va_list args; |
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110 va_start (args, fmt); |
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111 verror ("warning", fmt, args); |
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112 va_end (args); |
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113 } |
