Adding upstream version 2:8.2.2434.upstream/2%8.2.2434upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 510 insertions, 0 deletions

diff --git a/src/dosinst.h b/src/dosinst.h
new file mode 100644
index 0000000..c262c42
--- /dev/null
+++ b/src/dosinst.h
@@ -0,0 +1,510 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * 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.
+ */
+/*
+ * dosinst.h: Common code for dosinst.c and uninstall.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#ifndef UNIX_LINT
+# include <io.h>
+# include <ctype.h>
+
+# include <direct.h>
+
+# include <windows.h>
+# include <shlobj.h>
+#endif
+
+#ifdef UNIX_LINT
+// Running lint on Unix: Some things are missing.
+char *searchpath(char *name);
+#endif
+
+#if defined(UNIX_LINT)
+# include <unistd.h>
+# include <errno.h>
+#endif
+
+#include "version.h"
+
+#if defined(UNIX_LINT)
+# define vim_mkdir(x, y) mkdir((char *)(x), y)
+#else
+# define vim_mkdir(x, y) _mkdir((char *)(x))
+#endif
+
+#define sleep(n) Sleep((n) * 1000)
+
+// ----------------------------------------
+
+
+#define BUFSIZE (MAX_PATH*2)		// long enough to hold a file name path
+#define NUL 0
+
+#define FAIL 0
+#define OK 1
+
+#ifndef FALSE
+# define FALSE 0
+#endif
+#ifndef TRUE
+# define TRUE 1
+#endif
+
+/*
+ * Modern way of creating registry entries, also works on 64 bit windows when
+ * compiled as a 32 bit program.
+ */
+# ifndef KEY_WOW64_64KEY
+#  define KEY_WOW64_64KEY 0x0100
+# endif
+# ifndef KEY_WOW64_32KEY
+#  define KEY_WOW64_32KEY 0x0200
+# endif
+
+#define VIM_STARTMENU "Programs\\Vim " VIM_VERSION_SHORT
+
+int	interactive;		// non-zero when running interactively
+
+/*
+ * Call malloc() and exit when out of memory.
+ */
+    static void *
+alloc(int len)
+{
+    void *p;
+
+    p = malloc(len);
+    if (p == NULL)
+    {
+	printf("ERROR: out of memory\n");
+	exit(1);
+    }
+    return p;
+}
+
+/*
+ * The toupper() in Bcc 5.5 doesn't work, use our own implementation.
+ */
+    static int
+mytoupper(int c)
+{
+    if (c >= 'a' && c <= 'z')
+	return c - 'a' + 'A';
+    return c;
+}
+
+    static void
+myexit(int n)
+{
+    if (!interactive)
+    {
+	// Present a prompt, otherwise error messages can't be read.
+	printf("Press Enter to continue\n");
+	rewind(stdin);
+	(void)getchar();
+    }
+    exit(n);
+}
+
+
+typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
+/*
+ * Check if this is a 64-bit OS.
+ */
+    static BOOL
+is_64bit_os(void)
+{
+#ifdef _WIN64
+    return TRUE;
+#else
+    BOOL bIsWow64 = FALSE;
+    LPFN_ISWOW64PROCESS pIsWow64Process;
+
+    pIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(
+	    GetModuleHandle("kernel32"), "IsWow64Process");
+    if (pIsWow64Process != NULL)
+	pIsWow64Process(GetCurrentProcess(), &bIsWow64);
+    return bIsWow64;
+#endif
+}
+
+    static char *
+searchpath(char *name)
+{
+    static char widename[2 * BUFSIZE];
+    static char location[2 * BUFSIZE + 2];
+
+    // There appears to be a bug in FindExecutableA() on Windows NT.
+    // Use FindExecutableW() instead...
+    MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)name, -1,
+	    (LPWSTR)widename, BUFSIZE);
+    if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"",
+		(LPWSTR)location) > (HINSTANCE)32)
+    {
+	WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1,
+		(LPSTR)widename, 2 * BUFSIZE, NULL, NULL);
+	return widename;
+    }
+    return NULL;
+}
+
+/*
+ * Call searchpath() and save the result in allocated memory, or return NULL.
+ */
+    static char *
+searchpath_save(char *name)
+{
+    char	*p;
+    char	*s;
+
+    p = searchpath(name);
+    if (p == NULL)
+	return NULL;
+    s = alloc(strlen(p) + 1);
+    strcpy(s, p);
+    return s;
+}
+
+
+#ifndef CSIDL_COMMON_PROGRAMS
+# define CSIDL_COMMON_PROGRAMS 0x0017
+#endif
+#ifndef CSIDL_COMMON_DESKTOPDIRECTORY
+# define CSIDL_COMMON_DESKTOPDIRECTORY 0x0019
+#endif
+
+/*
+ * Get the path to a requested Windows shell folder.
+ *
+ * Return FAIL on error, OK on success
+ */
+    int
+get_shell_folder_path(
+	char *shell_folder_path,
+	const char *shell_folder_name)
+{
+    /*
+     * The following code was successfully built with make_mvc.mak.
+     * The resulting executable worked on Windows 95, Millennium Edition, and
+     * 2000 Professional.  But it was changed after testing...
+     */
+    LPITEMIDLIST    pidl = 0; // Pointer to an Item ID list allocated below
+    LPMALLOC	    pMalloc;  // Pointer to an IMalloc interface
+    int		    csidl;
+    int		    alt_csidl = -1;
+    static int	    desktop_csidl = -1;
+    static int	    programs_csidl = -1;
+    int		    *pcsidl;
+    int		    r;
+
+    if (strcmp(shell_folder_name, "desktop") == 0)
+    {
+	pcsidl = &desktop_csidl;
+	csidl = CSIDL_COMMON_DESKTOPDIRECTORY;
+	alt_csidl = CSIDL_DESKTOP;
+    }
+    else if (strncmp(shell_folder_name, "Programs", 8) == 0)
+    {
+	pcsidl = &programs_csidl;
+	csidl = CSIDL_COMMON_PROGRAMS;
+	alt_csidl = CSIDL_PROGRAMS;
+    }
+    else
+    {
+	printf("\nERROR (internal) unrecognised shell_folder_name: \"%s\"\n\n",
+							   shell_folder_name);
+	return FAIL;
+    }
+
+    // Did this stuff before, use the same ID again.
+    if (*pcsidl >= 0)
+    {
+	csidl = *pcsidl;
+	alt_csidl = -1;
+    }
+
+retry:
+    // Initialize pointer to IMalloc interface
+    if (NOERROR != SHGetMalloc(&pMalloc))
+    {
+	printf("\nERROR getting interface for shell_folder_name: \"%s\"\n\n",
+							   shell_folder_name);
+	return FAIL;
+    }
+
+    // Get an ITEMIDLIST corresponding to the folder code
+    if (NOERROR != SHGetSpecialFolderLocation(0, csidl, &pidl))
+    {
+	if (alt_csidl < 0 || NOERROR != SHGetSpecialFolderLocation(0,
+							    alt_csidl, &pidl))
+	{
+	    printf("\nERROR getting ITEMIDLIST for shell_folder_name: \"%s\"\n\n",
+							   shell_folder_name);
+	    return FAIL;
+	}
+	csidl = alt_csidl;
+	alt_csidl = -1;
+    }
+
+    // Translate that ITEMIDLIST to a string
+    r = SHGetPathFromIDList(pidl, shell_folder_path);
+
+    // Free the data associated with pidl
+    pMalloc->lpVtbl->Free(pMalloc, pidl);
+    // Release the IMalloc interface
+    pMalloc->lpVtbl->Release(pMalloc);
+
+    if (!r)
+    {
+	if (alt_csidl >= 0)
+	{
+	    // We probably get here for Windows 95: the "all users"
+	    // desktop/start menu entry doesn't exist.
+	    csidl = alt_csidl;
+	    alt_csidl = -1;
+	    goto retry;
+	}
+	printf("\nERROR translating ITEMIDLIST for shell_folder_name: \"%s\"\n\n",
+							   shell_folder_name);
+	return FAIL;
+    }
+
+    // If there is an alternative: verify we can write in this directory.
+    // This should cause a retry when the "all users" directory exists but we
+    // are a normal user and can't write there.
+    if (alt_csidl >= 0)
+    {
+	char tbuf[BUFSIZE];
+	FILE *fd;
+
+	strcpy(tbuf, shell_folder_path);
+	strcat(tbuf, "\\vim write test");
+	fd = fopen(tbuf, "w");
+	if (fd == NULL)
+	{
+	    csidl = alt_csidl;
+	    alt_csidl = -1;
+	    goto retry;
+	}
+	fclose(fd);
+	unlink(tbuf);
+    }
+
+    /*
+     * Keep the found csidl for next time, so that we don't have to do the
+     * write test every time.
+     */
+    if (*pcsidl < 0)
+	*pcsidl = csidl;
+
+    if (strncmp(shell_folder_name, "Programs\\", 9) == 0)
+	strcat(shell_folder_path, shell_folder_name + 8);
+
+    return OK;
+}
+
+/*
+ * List of targets.  The first one (index zero) is used for the default path
+ * for the batch files.
+ */
+#define TARGET_COUNT  9
+
+struct
+{
+    char	*name;		// Vim exe name (without .exe)
+    char	*batname;	// batch file name
+    char	*lnkname;	// shortcut file name
+    char	*exename;	// exe file name
+    char	*exenamearg;	// exe file name when using exearg
+    char	*exearg;	// argument for vim.exe or gvim.exe
+    char	*oldbat;	// path to existing xxx.bat or NULL
+    char	*oldexe;	// path to existing xxx.exe or NULL
+    char	batpath[BUFSIZE];  // path of batch file to create; not
+				   // created when it's empty
+} targets[TARGET_COUNT] =
+{
+    {"all",	"batch files"},
+    {"vim",	"vim.bat",	"Vim.lnk",
+					"vim.exe",    "vim.exe",  ""},
+    {"gvim",	"gvim.bat",	"gVim.lnk",
+					"gvim.exe",   "gvim.exe", ""},
+    {"evim",	"evim.bat",	"gVim Easy.lnk",
+					"evim.exe",   "gvim.exe", "-y"},
+    {"view",	"view.bat",	"Vim Read-only.lnk",
+					"view.exe",   "vim.exe",  "-R"},
+    {"gview",	"gview.bat",	"gVim Read-only.lnk",
+					"gview.exe",  "gvim.exe", "-R"},
+    {"vimdiff", "vimdiff.bat",	"Vim Diff.lnk",
+					"vimdiff.exe","vim.exe",  "-d"},
+    {"gvimdiff","gvimdiff.bat",	"gVim Diff.lnk",
+					"gvimdiff.exe","gvim.exe", "-d"},
+    {"vimtutor","vimtutor.bat", "Vim tutor.lnk",
+					"vimtutor.bat",  "vimtutor.bat", ""},
+};
+
+/* Uninstall key for vim.bat, etc. */
+#define VIMBAT_UNINSTKEY    "rem # uninstall key: " VIM_VERSION_NODOT " #"
+
+#define ICON_COUNT 3
+char *(icon_names[ICON_COUNT]) =
+	{"gVim " VIM_VERSION_SHORT,
+	 "gVim Easy " VIM_VERSION_SHORT,
+	 "gVim Read only " VIM_VERSION_SHORT};
+char *(icon_link_names[ICON_COUNT]) =
+	{"gVim " VIM_VERSION_SHORT ".lnk",
+	 "gVim Easy " VIM_VERSION_SHORT ".lnk",
+	 "gVim Read only " VIM_VERSION_SHORT ".lnk"};
+
+/* This is only used for dosinst.c. */
+#if defined(DOSINST)
+/*
+ * Run an external command and wait for it to finish.
+ */
+    static void
+run_command(char *cmd)
+{
+    char	*cmd_path;
+    char	cmd_buf[BUFSIZE * 2 + 35];
+    char	*p;
+
+    // On WinNT, 'start' is a shell built-in for cmd.exe rather than an
+    // executable (start.exe) like in Win9x.
+    cmd_path = searchpath_save("cmd.exe");
+    if (cmd_path != NULL)
+    {
+	// There is a cmd.exe, so this might be Windows NT.  If it is,
+	// we need to call cmd.exe explicitly.  If it is a later OS,
+	// calling cmd.exe won't hurt if it is present.
+	// Also, "start" on NT expects a window title argument.
+	// Replace the slashes with backslashes.
+	while ((p = strchr(cmd_path, '/')) != NULL)
+	    *p = '\\';
+	sprintf(cmd_buf, "%s /c start \"vimcmd\" /wait %s", cmd_path, cmd);
+	free(cmd_path);
+    }
+    else
+    {
+	// No cmd.exe, just make the call and let the system handle it.
+	sprintf(cmd_buf, "start /w %s", cmd);
+    }
+    system(cmd_buf);
+}
+#endif
+
+/*
+ * Append a backslash to "name" if there isn't one yet.
+ */
+    void
+add_pathsep(char *name)
+{
+    int		len = strlen(name);
+
+    if (len > 0 && name[len - 1] != '\\' && name[len - 1] != '/')
+	strcat(name, "\\");
+}
+
+/*
+ * The normal chdir() does not change the default drive.  This one does.
+ */
+    int
+change_drive(int drive)
+{
+    char temp[3] = "-:";
+    temp[0] = (char)(drive + 'A' - 1);
+    return !SetCurrentDirectory(temp);
+}
+
+/*
+ * Change directory to "path".
+ * Return 0 for success, -1 for failure.
+ */
+    int
+mch_chdir(char *path)
+{
+    if (path[0] == NUL)		// just checking...
+	return 0;
+    if (path[1] == ':')		// has a drive name
+    {
+	if (change_drive(mytoupper(path[0]) - 'A' + 1))
+	    return -1;		// invalid drive name
+	path += 2;
+    }
+    if (*path == NUL)		// drive name only
+	return 0;
+    return chdir(path);		// let the normal chdir() do the rest
+}
+
+/*
+ * Expand the executable name into a full path name.
+ */
+    static char *
+my_fullpath(char *buf, char *fname, int len)
+{
+    // Only GetModuleFileName() will get the long file name path.
+    // GetFullPathName() may still use the short (FAT) name.
+    DWORD len_read = GetModuleFileName(NULL, buf, (size_t)len);
+
+    return (len_read > 0 && len_read < (DWORD)len) ? buf : NULL;
+}
+
+/*
+ * Remove the tail from a file or directory name.
+ * Puts a NUL on the last '/' or '\'.
+ */
+    static void
+remove_tail(char *path)
+{
+    int		i;
+
+    for (i = strlen(path) - 1; i > 0; --i)
+	if (path[i] == '/' || path[i] == '\\')
+	{
+	    path[i] = NUL;
+	    break;
+	}
+}
+
+
+char	installdir[MAX_PATH-9];	// top of the installation dir, where the
+				// install.exe is located, E.g.:
+				// "c:\vim\vim60"
+int	runtimeidx;		// index in installdir[] where "vim60" starts
+char	*sysdrive;		// system drive or "c:\"
+
+/*
+ * Setup for using this program.
+ * Sets "installdir[]".
+ */
+    static void
+do_inits(char **argv)
+{
+    // Find out the full path of our executable.
+    if (my_fullpath(installdir, argv[0], sizeof(installdir)) == NULL)
+    {
+	printf("ERROR: Cannot get name of executable\n");
+	myexit(1);
+    }
+    // remove the tail, the executable name "install.exe"
+    remove_tail(installdir);
+
+    // change to the installdir
+    mch_chdir(installdir);
+
+    // Find the system drive.  Only used for searching the Vim executable, not
+    // very important.
+    sysdrive = getenv("SYSTEMDRIVE");
+    if (sysdrive == NULL || *sysdrive == NUL)
+	sysdrive = "C:\\";
+}