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Diffstat (limited to 'src/dosinst.h')
| -rw-r--r-- | src/dosinst.h | 510 |
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:\\"; +} |