git.sur5r.net Git - openldap/blob - contrib/whois++/help.c

   1 #if !defined(lint)
   2 static char copyright[] = "Copyright 1992 The University of Adelaide";
   3 #endif
   4
   5 /*
   6  *                      H E L P
   7  *
   8  * Author:      Mark R. Prior
   9  *              Communications and Systems Branch
  10  *              Information Technology Division
  11  *              The University of Adelaide
  12  * E-mail:      mrp@itd.adelaide.edu.au
  13  * Date:        October 1992
  14  * Version:     1.7
  15  * Description:
  16  *              The Help module
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * provided that the above copyright notice and this paragraph are
  20  * duplicated in all such forms and that any documentation,
  21  * advertising materials, and other materials related to such
  22  * distribution and use acknowledge that the software was developed
  23  * by the University of Adelaide. The name of the University may not
  24  * be used to endorse or promote products derived from this software
  25  * without specific prior written permission.
  26  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  27  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  28  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  29  */
  30
  31 #include "whois++.h"
  32
  33 void    needHelp( reason )
  34 char    *reason;
  35 {
  36         char            filename[MAXPATHLEN];
  37         char            buffer[BUFSIZ];
  38         int             i;
  39         DIR             *dir;
  40         struct dirent   *entry;
  41         FILE            *help;
  42
  43         if ( reason == NULL || *reason == '\0' ) {
  44                 sprintf( filename, "%s/%s/general", helpDir, language );
  45                 if ( ( help = fopen( filename, "r" ) ) == NULL ) {
  46                         printFormatted( lineLength, TRUE, stdout,
  47                                 "Sorry cannot open general information help file" );
  48                         return;
  49                 }
  50         } else {
  51                 sprintf( filename, "%s/%s/%s", helpDir, language,
  52                         lowerCase( reason ) );
  53                 if ( ( help = fopen( filename, "r" ) ) == NULL ) {
  54                         sprintf( filename, "%s/%s/%s", helpDir, defaultLanguage,
  55                                 lowerCase( reason ) );
  56                         if ( ( help = fopen( filename, "r" ) ) == NULL ) {
  57                                 printFormatted( lineLength, TRUE, stdout,
  58                                         "Sorry cannot open help file for topic \"%s\"",
  59                                         reason );
  60                                 return;
  61                         } else {
  62                                 printFormatted( lineLength, TRUE, stdout,
  63                                         "Sorry no help in %s, using default language (%s).",
  64                                         language, defaultLanguage );
  65                         }
  66                 }
  67         }
  68         while ( fgets( buffer, BUFSIZ, help ) != NULL ) {
  69                 i = strlen( buffer );
  70                 while ( i-- > 0 && ( buffer[i] == '\n' || buffer[i] == '\r' ) )
  71                         buffer[i] = '\0';
  72                 printFormatted( lineLength, FALSE, stdout, "%s", buffer );
  73         }
  74         fclose( help );
  75         if ( reason == NULL || *reason == '\0' ) {
  76                 sprintf( filename, "%s/%s", helpDir, language );
  77                 if ( ( dir = opendir( filename ) ) == NULL )
  78                         return;
  79                 printFormatted( lineLength, FALSE, stdout, "" );
  80                 printFormatted( lineLength, FALSE, stdout,
  81                         "Further information is available on the following topics" );
  82                 for ( entry = readdir( dir ); entry != NULL; entry = readdir( dir ) )
  83                         if ( !EQ(entry->d_name, "." ) && !EQ(entry->d_name, ".." ) )
  84                                 printFormatted( lineLength, FALSE, stdout,
  85                                         " %s", lowerCase( entry->d_name ) );
  86                 closedir( dir );
  87         }
  88         return;
  89 }