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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* uninstal.c: Minimalistic uninstall program for Vim on MS-Windows
* Removes:
* - the "Edit with Vim" popup menu entry
* - the Vim "Open With..." popup menu entry
* - any Vim Batch files in the path
* - icons for Vim on the Desktop
* - the Vim entry in the Start Menu
*/
/* Include common code for dosinst.c and uninstal.c. */
#include "dosinst.h"
/*
* Return TRUE if the user types a 'y' or 'Y', FALSE otherwise.
*/
static int
confirm(void)
{
char answer[10];
fflush(stdout);
return (scanf(" %c", answer) == 1 && toupper(answer[0]) == 'Y');
}
#ifdef WIN3264
/*
* Check if the popup menu entry exists and what gvim it refers to.
* Returns non-zero when it's found.
*/
static int
popup_gvim_path(char *buf)
{
HKEY key_handle;
DWORD value_type;
DWORD bufsize = BUFSIZE;
int r;
/* Open the key where the path to gvim.exe is stored. */
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, KEY_READ,
&key_handle) != ERROR_SUCCESS)
return 0;
/* get the DisplayName out of it to show the user */
r = RegQueryValueEx(key_handle, "path", 0,
&value_type, (LPBYTE)buf, &bufsize);
RegCloseKey(key_handle);
return (r == ERROR_SUCCESS);
}
/*
* Check if the "Open With..." menu entry exists and what gvim it refers to.
* Returns non-zero when it's found.
*/
static int
openwith_gvim_path(char *buf)
{
HKEY key_handle;
DWORD value_type;
DWORD bufsize = BUFSIZE;
int r;
/* Open the key where the path to gvim.exe is stored. */
if (RegOpenKeyEx(HKEY_CLASSES_ROOT,
"Applications\\gvim.exe\\shell\\edit\\command", 0, KEY_READ,
&key_handle) != ERROR_SUCCESS)
return 0;
/* get the DisplayName out of it to show the user */
r = RegQueryValueEx(key_handle, "", 0, &value_type, (LPBYTE)buf, &bufsize);
RegCloseKey(key_handle);
return (r == ERROR_SUCCESS);
}
static void
remove_popup(void)
{
int fail = 0;
HKEY kh;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}\\InProcServer32") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "CLSID\\{51EEE242-AD87-11d3-9C1E-0090278BBD99}") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "*\\shellex\\ContextMenuHandlers\\gvim") != ERROR_SUCCESS)
++fail;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved", 0, KEY_ALL_ACCESS, &kh) != ERROR_SUCCESS)
++fail;
else
{
if (RegDeleteValue(kh, "{51EEE242-AD87-11d3-9C1E-0090278BBD99}") != ERROR_SUCCESS)
++fail;
RegCloseKey(kh);
}
if (RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Vim") != ERROR_SUCCESS)
++fail;
if (fail == 6)
printf("No Vim popup registry entries could be removed\n");
else if (fail > 0)
printf("Some Vim popup registry entries could not be removed\n");
else
printf("The Vim popup registry entries have been removed\n");
}
static void
remove_openwith(void)
{
int fail = 0;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit\\command") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell\\edit") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe\\shell") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "Applications\\gvim.exe") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, ".htm\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, ".vim\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
++fail;
if (RegDeleteKey(HKEY_CLASSES_ROOT, "*\\OpenWithList\\gvim.exe") != ERROR_SUCCESS)
++fail;
if (fail == 7)
printf("No Vim open-with registry entries could be removed\n");
else if (fail > 0)
printf("Some Vim open-with registry entries could not be removed\n");
else
printf("The Vim open-with registry entries have been removed\n");
}
#endif
/*
* Check if a batch file is really for the current version. Don't delete a
* batch file that was written for another (possibly newer) version.
*/
static int
batfile_thisversion(char *path)
{
FILE *fd;
char line[BUFSIZE];
char *p;
int ver_len = strlen(VIM_VERSION_NODOT);
int found = FALSE;
fd = fopen(path, "r");
if (fd != NULL)
{
while (fgets(line, BUFSIZE, fd) != NULL)
{
for (p = line; *p != 0; ++p)
/* don't accept "vim60an" when looking for "vim60". */
if (strnicmp(p, VIM_VERSION_NODOT, ver_len) == 0
&& !isdigit(p[ver_len])
&& !isalpha(p[ver_len]))
{
found = TRUE;
break;
}
if (found)
break;
}
fclose(fd);
}
return found;
}
static int
remove_batfiles(int doit)
{
char *batfile_path;
int i;
int found = 0;
for (i = 1; i < TARGET_COUNT; ++i)
{
batfile_path = searchpath_save(targets[i].batname);
if (batfile_path != NULL && batfile_thisversion(batfile_path))
{
++found;
if (doit)
{
printf("removing %s\n", batfile_path);
remove(batfile_path);
}
else
printf(" - the batch file %s\n", batfile_path);
free(batfile_path);
}
}
return found;
}
#ifdef WIN3264
static void
remove_if_exists(char *path, char *filename)
{
char buf[BUFSIZE];
FILE *fd;
sprintf(buf, "%s\\%s", path, filename);
fd = fopen(buf, "r");
if (fd != NULL)
{
fclose(fd);
printf("removing %s\n", buf);
remove(buf);
}
}
static void
remove_icons(void)
{
char path[BUFSIZE];
int i;
if (get_shell_folder_path(path, "desktop"))
for (i = 0; i < ICON_COUNT; ++i)
remove_if_exists(path, icon_link_names[i]);
}
static void
remove_start_menu(void)
{
char path[BUFSIZE];
int i;
struct stat st;
if (get_shell_folder_path(path, VIM_STARTMENU))
{
for (i = 1; i < TARGET_COUNT; ++i)
remove_if_exists(path, targets[i].lnkname);
remove_if_exists(path, "uninstall.lnk");
remove_if_exists(path, "Help.lnk");
/* Win95 uses .pif, WinNT uses .lnk */
remove_if_exists(path, "Vim tutor.pif");
remove_if_exists(path, "Vim tutor.lnk");
remove_if_exists(path, "Vim online.url");
if (stat(path, &st) == 0)
{
printf("removing %s\n", path);
rmdir(path);
}
}
}
#endif
#if 0 /* currently not used */
/*
* Return TRUE when we're on Windows 95/98/ME.
*/
static int
win95(void)
{
static int done = FALSE;
static DWORD PlatformId;
if (!done)
{
OSVERSIONINFO ovi;
ovi.dwOSVersionInfoSize = sizeof(ovi);
GetVersionEx(&ovi);
PlatformId = ovi.dwPlatformId;
done = TRUE;
}
/* Win NT/2000/XP is VER_PLATFORM_WIN32_NT */
return PlatformId == VER_PLATFORM_WIN32_WINDOWS;
}
#endif
static void
delete_uninstall_key(void)
{
#ifdef WIN3264
RegDeleteKey(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Vim " VIM_VERSION_SHORT);
#else
FILE *fd;
char buf[BUFSIZE];
/*
* On DJGPP we delete registry entries by creating a .inf file and
* installing it.
*/
fd = fopen("vim.inf", "w");
if (fd != NULL)
{
fprintf(fd, "[version]\n");
fprintf(fd, "signature=\"$CHICAGO$\"\n\n");
fprintf(fd, "[DefaultInstall]\n");
fprintf(fd, "DelReg=DeleteMe\n\n");
fprintf(fd, "[DeleteMe]\n");
fprintf(fd, "HKLM,\"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Vim " VIM_VERSION_SHORT "\"\n");
fclose(fd);
/* Don't know how to detect Win NT with DJGPP. Hack: Just try the Win
* 95/98/ME method, since the DJGPP version can't use long filenames
* on Win NT anyway. */
sprintf(buf, "rundll setupx.dll,InstallHinfSection DefaultInstall 132 %s\\vim.inf", installdir);
run_command(buf);
#if 0
/* Windows NT method (untested). */
sprintf(buf, "rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 %s\\vim.inf", installdir);
run_command(buf);
#endif
remove("vim.inf");
}
#endif
}
int
main(int argc, char *argv[])
{
int found = 0;
FILE *fd;
#ifdef WIN3264
int i;
struct stat st;
char icon[BUFSIZE];
char path[BUFSIZE];
char popup_path[BUFSIZE];
/* The nsis uninstaller calls us with a "-nsis" argument. */
if (argc == 2 && stricmp(argv[1], "-nsis") == 0)
interactive = FALSE;
else
#endif
interactive = TRUE;
/* Initialize this program. */
do_inits(argv);
printf("This program will remove the following items:\n");
#ifdef WIN3264
if (popup_gvim_path(popup_path))
{
printf(" - the \"Edit with Vim\" entry in the popup menu\n");
printf(" which uses \"%s\"\n", popup_path);
printf("\nRemove it (y/n)? ");
if (confirm())
{
remove_popup();
/* Assume the "Open With" entry can be removed as well, don't
* bother the user with asking him again. */
remove_openwith();
}
}
else if (openwith_gvim_path(popup_path))
{
printf(" - the Vim \"Open With...\" entry in the popup menu\n");
printf(" which uses \"%s\"\n", popup_path);
printf("\nRemove it (y/n)? ");
if (confirm())
remove_openwith();
}
if (get_shell_folder_path(path, "desktop"))
{
printf("\n");
for (i = 0; i < ICON_COUNT; ++i)
{
sprintf(icon, "%s\\%s", path, icon_link_names[i]);
if (stat(icon, &st) == 0)
{
printf(" - the \"%s\" icon on the desktop\n", icon_names[i]);
++found;
}
}
if (found > 0)
{
if (interactive)
printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it");
if (!interactive || confirm())
remove_icons();
}
}
if (get_shell_folder_path(path, VIM_STARTMENU)
&& stat(path, &st) == 0)
{
printf("\n - the \"%s\" entry in the Start Menu\n", VIM_STARTMENU);
if (interactive)
printf("\nRemove it (y/n)? ");
if (!interactive || confirm())
remove_start_menu();
}
#endif
printf("\n");
found = remove_batfiles(0);
if (found > 0)
{
if (interactive)
printf("\nRemove %s (y/n)? ", found > 1 ? "them" : "it");
if (!interactive || confirm())
remove_batfiles(1);
}
fd = fopen("gvim.exe", "r");
if (fd != NULL)
{
fclose(fd);
printf("gvim.exe detected. Attempting to unregister gvim with OLE\n");
system("gvim.exe -silent -unregister");
}
delete_uninstall_key();
if (interactive)
{
printf("\nYou may now want to delete the Vim executables and runtime files.\n");
printf("(They are still where you unpacked them.)\n");
}
rewind(stdin);
printf("\nPress Enter to exit...");
(void)getchar();
return 0;
}
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