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0
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /*
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11 * uninstal.c: Minimalistic uninstall program for Vim on MS-Windows
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12 * Removes:
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13 * - the "Edit with Vim" popup menu entry
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14 * - the Vim "Open With..." popup menu entry
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15 * - any Vim Batch files in the path
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16 * - icons for Vim on the Desktop
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17 * - the Vim entry in the Start Menu
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18 */
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19
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20 /* Include common code for dosinst.c and uninstal.c. */
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21 #include "dosinst.h"
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22
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23 /*
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24 * Return TRUE if the user types a 'y' or 'Y', FALSE otherwise.
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25 */
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26 static int
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27 confirm(void)
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28 {
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29 char answer[10];
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30
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31 fflush(stdout);
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32 return (scanf(" %c", answer) == 1 && toupper(answer[0]) == 'Y');
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33 }
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34
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35 #ifdef WIN3264
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36 /*
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37 * Check if the popup menu entry exists and what gvim it refers to.
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38 * Returns non-zero when it's found.
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39 */
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40 static int
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41 popup_gvim_path(char *buf)
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42 {
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43 HKEY key_handle;
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44 DWORD value_type;
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45 DWORD bufsize = BUFSIZE;
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46 int r;
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47
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48 /* Open the key where the path to gvim.exe is stored. */
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49 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, KEY_READ,
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50 &key_handle) != ERROR_SUCCESS)
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51 return 0;
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52
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53 /* get the DisplayName out of it to show the user */
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54 r = RegQueryValueEx(key_handle, "path", 0,
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55 &value_type, (LPBYTE)buf, &bufsize);
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56 RegCloseKey(key_handle);
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57
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58 return (r == ERROR_SUCCESS);
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59 }
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60
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61 /*
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62 * Check if the "Open With..." menu entry exists and what gvim it refers to.
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63 * Returns non-zero when it's found.
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64 */
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65 static int
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66 openwith_gvim_path(char *buf)
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67 {
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68 HKEY key_handle;
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69 DWORD value_type;
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70 DWORD bufsize = BUFSIZE;
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71 int r;
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72
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73 /* Open the key where the path to gvim.exe is stored. */
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74 if (RegOpenKeyEx(HKEY_CLASSES_ROOT,
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75 "Applications\\gvim.exe\\shell\\edit\\command", 0, KEY_READ,
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76 &key_handle) != ERROR_SUCCESS)
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77 return 0;
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78
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79 /* get the DisplayName out of it to show the user */
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80 r = RegQueryValueEx(key_handle, "", 0, &value_type, (LPBYTE)buf, &bufsize);
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81 RegCloseKey(key_handle);
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82
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83 return (r == ERROR_SUCCESS);
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84 }
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85
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86 static void
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87 remove_popup(void)
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88 {
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89 int fail = 0;
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90 HKEY kh;
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91
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92 if (RegDeleteKey(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}\\InProcServer32") != ERROR_SUCCESS)
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93 ++fail;
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94 if (RegDeleteKey(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}") != ERROR_SUCCESS)
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95 ++fail;
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96 if (RegDeleteKey(HKEY_CLASSES_ROOT, "*\\shellex\\ContextMenuHandlers\\gvim") != ERROR_SUCCESS)
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97 ++fail;
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98 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved", 0, KEY_ALL_ACCESS, &kh) != ERROR_SUCCESS)
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99 ++fail;
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100 else
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101 {
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102 if (RegDeleteValue(kh, "{51EEE242-AD87-11d3-9C1E-0090278BBD99}") != ERROR_SUCCESS)
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103 ++fail;
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104 RegCloseKey(kh);
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105 }
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106 if (RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim") != ERROR_SUCCESS)
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107 ++fail;
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108 if (RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Vim") != ERROR_SUCCESS)
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109 ++fail;
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110
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111 if (fail == 6)
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112 printf("No Vim popup registry entries could be removed\n");
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113 else if (fail > 0)
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114 printf("Some Vim popup registry entries could not be removed\n");
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115 else
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116 printf("The Vim popup registry entries have been removed\n");
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117 }
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118
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119 static void
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120 remove_openwith(void)
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121 {
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122 int fail = 0;
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123
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124 if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit\\command") != ERROR_SUCCESS)
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125 ++fail;
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126 if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit") != ERROR_SUCCESS)
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127 ++fail;
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128 if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell") != ERROR_SUCCESS)
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129 ++fail;
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130 if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe") != ERROR_SUCCESS)
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131 ++fail;
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132 if (RegDeleteKey(HKEY_CLASSES_ROOT, ".htm\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
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133 ++fail;
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134 if (RegDeleteKey(HKEY_CLASSES_ROOT, ".vim\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
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135 ++fail;
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136 if (RegDeleteKey(HKEY_CLASSES_ROOT, "*\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
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137 ++fail;
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138
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139 if (fail == 7)
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140 printf("No Vim open-with registry entries could be removed\n");
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141 else if (fail > 0)
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142 printf("Some Vim open-with registry entries could not be removed\n");
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143 else
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144 printf("The Vim open-with registry entries have been removed\n");
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145 }
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146 #endif
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147
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148 /*
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149 * Check if a batch file is really for the current version. Don't delete a
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150 * batch file that was written for another (possibly newer) version.
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151 */
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152 static int
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153 batfile_thisversion(char *path)
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154 {
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155 FILE *fd;
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156 char line[BUFSIZE];
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157 char *p;
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158 int ver_len = strlen(VIM_VERSION_NODOT);
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159 int found = FALSE;
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160
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161 fd = fopen(path, "r");
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162 if (fd != NULL)
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163 {
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164 while (fgets(line, BUFSIZE, fd) != NULL)
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165 {
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166 for (p = line; *p != 0; ++p)
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167 /* don't accept "vim60an" when looking for "vim60". */
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168 if (strnicmp(p, VIM_VERSION_NODOT, ver_len) == 0
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169 && !isdigit(p[ver_len])
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170 && !isalpha(p[ver_len]))
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171 {
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172 found = TRUE;
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173 break;
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174 }
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175 if (found)
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176 break;
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177 }
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178 fclose(fd);
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179 }
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180 return found;
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181 }
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182
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183 static int
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184 remove_batfiles(int doit)
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185 {
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186 char *batfile_path;
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187 int i;
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188 int found = 0;
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189
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190 for (i = 1; i < TARGET_COUNT; ++i)
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191 {
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192 batfile_path = searchpath_save(targets[i].batname);
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193 if (batfile_path != NULL && batfile_thisversion(batfile_path))
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194 {
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195 ++found;
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196 if (doit)
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197 {
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198 printf("removing %s\n", batfile_path);
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199 remove(batfile_path);
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200 }
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201 else
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202 printf(" - the batch file %s\n", batfile_path);
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203 free(batfile_path);
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204 }
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205 }
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206 return found;
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207 }
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208
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209 #ifdef WIN3264
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210 static void
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211 remove_if_exists(char *path, char *filename)
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212 {
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213 char buf[BUFSIZE];
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214 FILE *fd;
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215
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216 sprintf(buf, "%s\\%s", path, filename);
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217
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218 fd = fopen(buf, "r");
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219 if (fd != NULL)
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220 {
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221 fclose(fd);
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222 printf("removing %s\n", buf);
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223 remove(buf);
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224 }
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225 }
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226
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227 static void
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228 remove_icons(void)
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229 {
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230 char path[BUFSIZE];
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231 int i;
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232
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233 if (get_shell_folder_path(path, "desktop"))
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234 for (i = 0; i < ICON_COUNT; ++i)
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235 remove_if_exists(path, icon_link_names[i]);
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236 }
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237
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238 static void
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239 remove_start_menu(void)
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240 {
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241 char path[BUFSIZE];
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242 int i;
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243 struct stat st;
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244
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245 if (get_shell_folder_path(path, VIM_STARTMENU))
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246 {
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247 for (i = 1; i < TARGET_COUNT; ++i)
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248 remove_if_exists(path, targets[i].lnkname);
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249 remove_if_exists(path, "uninstall.lnk");
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250 remove_if_exists(path, "Help.lnk");
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251 /* Win95 uses .pif, WinNT uses .lnk */
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252 remove_if_exists(path, "Vim tutor.pif");
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253 remove_if_exists(path, "Vim tutor.lnk");
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254 remove_if_exists(path, "Vim online.url");
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255 if (stat(path, &st) == 0)
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256 {
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257 printf("removing %s\n", path);
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258 rmdir(path);
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259 }
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260 }
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261 }
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262 #endif
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263
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264 #if 0 /* currently not used */
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265 /*
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266 * Return TRUE when we're on Windows 95/98/ME.
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267 */
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268 static int
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269 win95(void)
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270 {
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271 static int done = FALSE;
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272 static DWORD PlatformId;
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273
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274 if (!done)
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275 {
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276 OSVERSIONINFO ovi;
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277
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278 ovi.dwOSVersionInfoSize = sizeof(ovi);
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279 GetVersionEx(&ovi);
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280 PlatformId = ovi.dwPlatformId;
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281 done = TRUE;
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282 }
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283 /* Win NT/2000/XP is VER_PLATFORM_WIN32_NT */
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284 return PlatformId == VER_PLATFORM_WIN32_WINDOWS;
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285 }
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286 #endif
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287
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288 static void
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289 delete_uninstall_key(void)
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290 {
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291 #ifdef WIN3264
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292 RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Vim " VIM_VERSION_SHORT);
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293 #else
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294 FILE *fd;
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295 char buf[BUFSIZE];
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296
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297 /*
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298 * On DJGPP we delete registry entries by creating a .inf file and
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299 * installing it.
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300 */
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301 fd = fopen("vim.inf", "w");
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302 if (fd != NULL)
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303 {
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304 fprintf(fd, "[version]\n");
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305 fprintf(fd, "signature=\"$CHICAGO$\"\n\n");
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306 fprintf(fd, "[DefaultInstall]\n");
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307 fprintf(fd, "DelReg=DeleteMe\n\n");
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308 fprintf(fd, "[DeleteMe]\n");
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309 fprintf(fd, "HKLM,\"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Vim " VIM_VERSION_SHORT "\"\n");
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310 fclose(fd);
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311
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312 /* Don't know how to detect Win NT with DJGPP. Hack: Just try the Win
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313 * 95/98/ME method, since the DJGPP version can't use long filenames
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314 * on Win NT anyway. */
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315 sprintf(buf, "rundll setupx.dll,InstallHinfSection DefaultInstall 132 %s\\vim.inf", installdir);
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316 run_command(buf);
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317 #if 0
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318 /* Windows NT method (untested). */
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319 sprintf(buf, "rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 %s\\vim.inf", installdir);
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320 run_command(buf);
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321 #endif
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322
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323 remove("vim.inf");
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324 }
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325 #endif
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326 }
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327
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328 int
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329 main(int argc, char *argv[])
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330 {
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331 int found = 0;
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332 FILE *fd;
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333 #ifdef WIN3264
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334 int i;
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335 struct stat st;
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336 char icon[BUFSIZE];
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337 char path[BUFSIZE];
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338 char popup_path[BUFSIZE];
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339
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340 /* The nsis uninstaller calls us with a "-nsis" argument. */
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341 if (argc == 2 && stricmp(argv[1], "-nsis") == 0)
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342 interactive = FALSE;
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343 else
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344 #endif
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345 interactive = TRUE;
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346
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347 /* Initialize this program. */
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348 do_inits(argv);
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349
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350 printf("This program will remove the following items:\n");
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351
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352 #ifdef WIN3264
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353 if (popup_gvim_path(popup_path))
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354 {
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355 printf(" - the \"Edit with Vim\" entry in the popup menu\n");
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356 printf(" which uses \"%s\"\n", popup_path);
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357 printf("\nRemove it (y/n)? ");
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358 if (confirm())
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359 {
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360 remove_popup();
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361 /* Assume the "Open With" entry can be removed as well, don't
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362 * bother the user with asking him again. */
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363 remove_openwith();
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364 }
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365 }
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366 else if (openwith_gvim_path(popup_path))
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367 {
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368 printf(" - the Vim \"Open With...\" entry in the popup menu\n");
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369 printf(" which uses \"%s\"\n", popup_path);
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370 printf("\nRemove it (y/n)? ");
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371 if (confirm())
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372 remove_openwith();
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373 }
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374
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375 if (get_shell_folder_path(path, "desktop"))
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376 {
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377 printf("\n");
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378 for (i = 0; i < ICON_COUNT; ++i)
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379 {
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380 sprintf(icon, "%s\\%s", path, icon_link_names[i]);
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381 if (stat(icon, &st) == 0)
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382 {
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383 printf(" - the \"%s\" icon on the desktop\n", icon_names[i]);
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384 ++found;
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385 }
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386 }
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387 if (found > 0)
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388 {
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389 if (interactive)
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390 printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it");
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391 if (!interactive || confirm())
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392 remove_icons();
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393 }
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394 }
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395
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396 if (get_shell_folder_path(path, VIM_STARTMENU)
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397 && stat(path, &st) == 0)
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398 {
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399 printf("\n - the \"%s\" entry in the Start Menu\n", VIM_STARTMENU);
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400 if (interactive)
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401 printf("\nRemove it (y/n)? ");
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402 if (!interactive || confirm())
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403 remove_start_menu();
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404 }
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405 #endif
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406
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407 printf("\n");
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408 found = remove_batfiles(0);
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409 if (found > 0)
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410 {
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411 if (interactive)
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412 printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it");
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413 if (!interactive || confirm())
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414 remove_batfiles(1);
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415 }
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416
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417 fd = fopen("gvim.exe", "r");
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418 if (fd != NULL)
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419 {
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420 fclose(fd);
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421 printf("gvim.exe detected. Attempting to unregister gvim with OLE\n");
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422 system("gvim.exe -silent -unregister");
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423 }
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424
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425 delete_uninstall_key();
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426
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427 if (interactive)
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428 {
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429 printf("\nYou may now want to delete the Vim executables and runtime files.\n");
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430 printf("(They are still where you unpacked them.)\n");
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431 }
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432
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433 rewind(stdin);
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434 printf("\nPress Enter to exit...");
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435 (void)getchar();
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436
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437 return 0;
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438 }
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