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172
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1 /* error.c -- Handle info errors. */ |
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2 |
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3 /* This file is part of GNU Info, a program for reading online documentation |
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4 stored in Info format. |
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5 |
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6 Copyright (C) 1993 Free Software Foundation, Inc. |
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7 |
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8 This program is free software; you can redistribute it and/or modify |
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9 it under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 2, or (at your option) |
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11 any later version. |
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12 |
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13 This program is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with this program; if not, write to the Free Software |
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20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 Written by Brian Fox (bfox@ai.mit.edu). */ |
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23 |
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1242
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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172
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28 #include "info.h" |
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29 #include "dribble.h" |
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30 #include "terminal.h" |
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31 #include "getopt.h" |
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32 |
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33 /* The version numbers of this version of Info. */ |
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34 int info_major_version = 2; |
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35 int info_minor_version = 10; |
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36 int info_patch_level = 1; |
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37 |
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38 /* When non-zero, the Info window system has been initialized. */ |
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39 int info_windows_initialized_p = 0; |
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40 |
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41 |
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42 /* **************************************************************** */ |
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43 /* */ |
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44 /* Main Entry Point to the Info Program */ |
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45 /* */ |
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46 /* **************************************************************** */ |
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47 |
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48 /* Return a string describing the current version of Info. */ |
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49 char * |
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50 version_string () |
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51 { |
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52 static char *vstring = (char *)NULL; |
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53 |
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54 if (!vstring) |
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55 { |
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56 vstring = (char *)xmalloc (50); |
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57 sprintf (vstring, "%d.%d", info_major_version, info_minor_version); |
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58 if (info_patch_level) |
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59 sprintf (vstring + strlen (vstring), "-p%d", info_patch_level); |
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60 } |
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61 return (vstring); |
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62 } |
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63 |
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64 /* **************************************************************** */ |
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65 /* */ |
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66 /* Error Handling for Info */ |
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67 /* */ |
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68 /* **************************************************************** */ |
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69 |
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251
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70 static char *program_name = "info"; |
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172
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71 |
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72 /* Non-zero if an error has been signalled. */ |
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73 int info_error_was_printed = 0; |
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74 |
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75 /* Non-zero means ring terminal bell on errors. */ |
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76 int info_error_rings_bell_p = 1; |
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77 |
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78 /* Print FORMAT with ARG1 and ARG2. If the window system was initialized, |
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79 then the message is printed in the echo area. Otherwise, a message is |
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80 output to stderr. */ |
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81 void |
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82 info_error (format, arg1, arg2) |
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83 char *format; |
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84 void *arg1, *arg2; |
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85 { |
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86 info_error_was_printed = 1; |
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87 |
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88 if (!info_windows_initialized_p || display_inhibited) |
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89 { |
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90 fprintf (stderr, "%s: ", program_name); |
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91 fprintf (stderr, format, arg1, arg2); |
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92 fprintf (stderr, "\n"); |
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93 fflush (stderr); |
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94 } |
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95 else |
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96 { |
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97 if (!echo_area_is_active) |
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98 { |
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99 if (info_error_rings_bell_p) |
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100 terminal_ring_bell (); |
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101 window_message_in_echo_area (format, arg1, arg2); |
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102 } |
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103 else |
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104 { |
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105 NODE *temp; |
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106 |
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107 temp = build_message_node (format, arg1, arg2); |
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108 if (info_error_rings_bell_p) |
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109 terminal_ring_bell (); |
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110 inform_in_echo_area (temp->contents); |
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111 free (temp->contents); |
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112 free (temp); |
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113 } |
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114 } |
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115 } |
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116 |
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117 |
