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1 /*
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2 * Copyright (c) 2000, Red Hat, Inc.
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; either version 2 of the License, or
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7 * (at your option) any later version.
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8 *
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9 * A copy of the GNU General Public License can be found at
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10 * http://www.gnu.org/
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11 *
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12 * Written by DJ Delorie <dj@cygnus.com>
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13 *
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14 */
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15
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16 /* The purpose of this file is to get the list of mirror sites and ask
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17 the user which mirror site they want to download from. */
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18
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19 #include "win32.h"
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20 #include <stdio.h>
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21 #include <stdlib.h>
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22 #include <string.h>
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23
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24 #include "dialog.h"
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25 #include "resource.h"
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26 #include "state.h"
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27 #include "geturl.h"
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28 #include "msg.h"
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29 #include "concat.h"
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30 #include "regedit.h"
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31 #include "reginfo.h"
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32 #include "log.h"
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33
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34 #include "port.h"
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35
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36 #define NO_IDX (-1)
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37 #define OTHER_IDX (-2)
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38
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39 typedef struct {
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40 char *url;
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41 char *displayed_url;
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42 char *sort_key;
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43 } site_list_type;
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44
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45 static site_list_type *site_list = 0;
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46 static int list_idx = NO_IDX;
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47 static int mirror_idx = NO_IDX;
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48
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49 static void
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50 check_if_enable_next (HWND h)
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51 {
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52 EnableWindow (GetDlgItem (h, IDOK), (mirror_idx != NO_IDX) ? 1 : 0);
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53 }
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54
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55 static void
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56 load_dialog (HWND h)
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57 {
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58 HWND listbox = GetDlgItem (h, IDC_URL_LIST);
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59 SendMessage (listbox, LB_SETCURSEL, list_idx, 0);
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60 check_if_enable_next (h);
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61 }
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62
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63 static void
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64 save_dialog (HWND h)
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65 {
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66 HWND listbox = GetDlgItem (h, IDC_URL_LIST);
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67 list_idx = SendMessage (listbox, LB_GETCURSEL, 0, 0);
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68 if (list_idx == LB_ERR)
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69 {
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70 mirror_site = 0;
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71 mirror_idx = NO_IDX;
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72 list_idx = NO_IDX;
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73 }
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74 else
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75 {
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76 mirror_idx = SendMessage (listbox, LB_GETITEMDATA, list_idx, 0);
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77 if (mirror_idx == OTHER_IDX)
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78 mirror_site = 0;
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79 else
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80 mirror_site = site_list[mirror_idx].url;
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81 }
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82 }
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83
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84 static void
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85 get_root_dir ()
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86 {
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87 int issystem, isnative;
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88 if (root_dir)
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89 return;
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90 root_dir = find_root_location (&issystem, &isnative);
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91 }
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92
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93 void
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94 save_site_url ()
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95 {
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96 if (! MIRROR_SITE)
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97 return;
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98
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99 get_root_dir ();
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100 if (! root_dir)
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101 return;
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102
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103 FILE *f = fopen (concat (root_dir, XEMACS_SETUP_DIR, "last-mirror", 0), "wb");
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104 if (!f)
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105 return;
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106 fprintf (f, "%s\n", MIRROR_SITE);
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107 fclose (f);
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108 }
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109
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110 static BOOL
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111 dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
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112 {
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113 switch (id)
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114 {
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115
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116 case IDC_URL_LIST:
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117 save_dialog (h);
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118 check_if_enable_next (h);
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119 break;
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120
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121 case IDOK:
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122 save_dialog (h);
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123 if (mirror_idx == OTHER_IDX)
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124 NEXT (IDD_OTHER_URL);
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125 else
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126 {
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127 other_url = 0;
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128 save_site_url ();
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129 NEXT (IDD_S_LOAD_INI);
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130 }
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131 break;
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132
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133 case IDC_BACK:
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134 save_dialog (h);
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135 NEXT (IDD_NET);
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136 break;
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137
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138 case IDCANCEL:
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139 NEXT (0);
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140 break;
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141 }
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142 return FALSE;
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143 }
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144
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145 static BOOL CALLBACK
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146 dialog_proc (HWND h, UINT message, WPARAM wParam, LPARAM lParam)
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147 {
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148 int i, j;
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149 HWND listbox;
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150 switch (message)
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151 {
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152 case WM_INITDIALOG:
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153 listbox = GetDlgItem (h, IDC_URL_LIST);
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154 for (i=0; site_list[i].url; i++)
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155 {
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156 j = SendMessage (listbox, LB_ADDSTRING, 0, (LPARAM)site_list[i].displayed_url);
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157 SendMessage (listbox, LB_SETITEMDATA, j, i);
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158 }
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159 j = SendMessage (listbox, LB_ADDSTRING, 0, (LPARAM)"Other URL");
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160 SendMessage (listbox, LB_SETITEMDATA, j, OTHER_IDX);
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161 load_dialog (h);
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162 return FALSE;
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163 case WM_COMMAND:
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164 return HANDLE_WM_COMMAND (h, wParam, lParam, dialog_cmd);
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165 }
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166 return FALSE;
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167 }
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168
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169 static int CDECL
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170 site_sort (const void *va, const void *vb)
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171 {
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172 site_list_type *a = (site_list_type *)va;
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173 site_list_type *b = (site_list_type *)vb;
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174 return strcmp (a->sort_key, b->sort_key);
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175 }
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176
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177 static int
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178 get_site_list (HINSTANCE h)
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179 {
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180 char mirror_url[1000];
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181 if (LoadString (h, IDS_MIRROR_LST, mirror_url, sizeof (mirror_url)) <= 0)
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182 return 1;
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183 char *mirrors = get_url_to_string (mirror_url);
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184 dismiss_url_status_dialog ();
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185 if (!mirrors)
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186 return 1;
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187
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188 char *bol, *eol, *nl;
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189
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190
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191 /* null plus account for possibly missing NL plus account for "Other
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192 URL" from previous run. */
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193 int nmirrors = 3;
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194
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195 for (bol=mirrors; *bol; bol++)
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196 if (*bol == '\n')
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197 nmirrors ++;
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198
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199 site_list = (site_list_type *) malloc (nmirrors * sizeof (site_list_type));
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200 nmirrors = 0;
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201
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202 nl = mirrors;
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203 while (*nl)
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204 {
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205 bol = nl;
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206 for (eol = bol; *eol && *eol != '\n'; eol++) ;
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207 if (*eol)
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208 nl = eol+1;
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209 else
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210 nl = eol;
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211 while (eol > bol && eol[-1] == '\r')
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212 eol--;
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213 *eol = 0;
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214 if (bol[0] != '#' && bol[0] > ' ')
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215 {
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216 char *semi = strchr (bol, ';');
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217 if (semi)
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218 *semi = 0;
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219 site_list[nmirrors].url = _strdup (bol);
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220 site_list[nmirrors].displayed_url = _strdup (bol);
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221 char *dot = strchr (site_list[nmirrors].displayed_url, '.');
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222 if (dot)
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223 {
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224 dot = strchr (dot, '/');
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225 if (dot)
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226 *dot = 0;
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227 }
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228 site_list[nmirrors].sort_key = (char *) malloc (2*strlen (bol) + 3);
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229
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230 dot = site_list[nmirrors].displayed_url;
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231 dot += strlen (dot);
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232 char *dp = site_list[nmirrors].sort_key;
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233 while (dot != site_list[nmirrors].displayed_url)
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234 {
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235 if (*dot == '.' || *dot == '/')
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236 {
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237 char *sp;
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238 if (dot[3] == 0)
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239 *dp++ = '~'; /* sort .com/.edu/.org together */
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240 for (sp=dot+1; *sp && *sp != '.' && *sp != '/';)
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241 *dp++ = *sp++;
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242 *dp++ = ' ';
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243 }
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244 dot--;
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245 }
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246 *dp++ = ' ';
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247 strcpy (dp, site_list[nmirrors].displayed_url);
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248
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249 nmirrors++;
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250 }
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251 }
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252 site_list[nmirrors].url = 0;
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253
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254 qsort (site_list, nmirrors, sizeof (site_list_type), site_sort);
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255
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256 return 0;
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257 }
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258
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259 /* List of machines that should not be used by default when saved
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260 in "last-mirror". */
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261 #define NOSAVE1 "ftp://ftp.xemacs.org/"
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262 #define NOSAVE1_LEN (sizeof ("ftp://ftp.xemacs.org/") - 1)
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263
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264 static void
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265 get_initial_list_idx ()
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266 {
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267 get_root_dir ();
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268 if (! root_dir)
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269 return;
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270
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271 FILE *f = fopen (concat (root_dir, XEMACS_SETUP_DIR, "last-mirror", 0), "rt");
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272 if (!f)
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273 return;
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274
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275 char site[1000];
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276 site[0]='\0';
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277 char * fg_ret = fgets (site, 1000, f);
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278 fclose (f);
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279 if (! fg_ret)
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280 return;
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281
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282 char *eos = site + strlen (site) - 1;
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283 while (eos >= site && (*eos == '\n' || *eos == '\r'))
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284 *eos-- = '\0';
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285
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286 if (eos < site)
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287 return;
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288
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289 int i;
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290 for (i = 0; site_list[i].url; i++)
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291 if (strcmp (site_list[i].url, site) == 0)
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292 break;
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293
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294 if (! site_list[i].url)
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295 {
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296 /* Don't default to certain machines ever since they suffer
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297 from bandwidth limitations. */
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298 if (strnicmp (site, NOSAVE1, NOSAVE1_LEN) == 0)
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299 return;
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300 site_list[i].displayed_url =
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301 site_list[i].url = _strdup (site);
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302 site_list[i+1].url = 0;
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303 }
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304
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305 mirror_idx = list_idx = i;
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306 }
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307
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308 void
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309 do_site (HINSTANCE h)
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310 {
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311 int rv = 0;
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312
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313 if (site_list == 0)
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314 if (get_site_list (h))
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315 {
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316 NEXT (IDD_NET);
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317 return;
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318 }
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319
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320 get_initial_list_idx ();
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321
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322 rv = DialogBox (h, MAKEINTRESOURCE (IDD_SITE), 0, dialog_proc);
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323 if (rv == -1)
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324 fatal (IDS_DIALOG_FAILED);
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325
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326 if (mirror_idx != OTHER_IDX)
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327 log (0, "site: %s", mirror_site);
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328 }
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329
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