/* mswindows.c -- Windows-specific support Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of GNU Wget. GNU Wget is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. GNU Wget is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Wget; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. In addition, as a special exception, the Free Software Foundation gives permission to link the code of its release of Wget with the OpenSSL project's "OpenSSL" library (or with modified versions of it that use the same license as the "OpenSSL" library), and distribute the linked executables. You must obey the GNU General Public License in all respects for all of the code used other than "OpenSSL". If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ /* #### Someone please document what these functions do! */ #include #include #include #include #include #include #include #ifdef HACK_BCC_UTIME_BUG # include # include # ifdef HAVE_UTIME_H # include # endif # ifdef HAVE_SYS_UTIME_H # include # endif #endif #include "wget.h" #include "utils.h" #include "url.h" #ifndef errno extern int errno; #endif /* Defined in log.c. */ void log_request_redirect_output PARAMS ((const char *)); static int windows_nt_p; /* Emulation of Unix sleep. */ unsigned int sleep (unsigned seconds) { return SleepEx (1000 * seconds, TRUE) ? 0U : 1000 * seconds; } /* Emulation of Unix usleep(). This has a granularity of milliseconds, but that's ok because: a) Wget is only using it with milliseconds [not anymore, but b) still applies]; b) You can't rely on usleep's granularity anyway. If a caller expects usleep to respect every microsecond, he's in for a surprise. */ int usleep (unsigned long usec) { SleepEx (usec / 1000, TRUE); return 0; } static char * read_registry (HKEY hkey, char *subkey, char *valuename, char *buf, int *len) { HKEY result; DWORD size = *len; DWORD type = REG_SZ; if (RegOpenKeyEx (hkey, subkey, NULL, KEY_READ, &result) != ERROR_SUCCESS) return NULL; if (RegQueryValueEx (result, valuename, NULL, &type, buf, &size) != ERROR_SUCCESS) buf = NULL; *len = size; RegCloseKey (result); return buf; } void windows_main_junk (int *argc, char **argv, char **exec_name) { char *p; /* Remove .EXE from filename if it has one. */ *exec_name = xstrdup (*exec_name); p = strrchr (*exec_name, '.'); if (p) *p = '\0'; } /* Winsock stuff. */ static void ws_cleanup (void) { WSACleanup (); } static void ws_hangup (void) { log_request_redirect_output ("CTRL+Break"); } void fork_to_background (void) { /* Whether we arrange our own version of opt.lfilename here. */ int changedp = 0; if (!opt.lfilename) { opt.lfilename = unique_name (DEFAULT_LOGFILE, 0); changedp = 1; } printf (_("Continuing in background.\n")); if (changedp) printf (_("Output will be written to `%s'.\n"), opt.lfilename); ws_hangup (); if (!windows_nt_p) FreeConsole (); } static BOOL WINAPI ws_handler (DWORD dwEvent) { switch (dwEvent) { #ifdef CTRLC_BACKGND case CTRL_C_EVENT: #endif #ifdef CTRLBREAK_BACKGND case CTRL_BREAK_EVENT: #endif fork_to_background (); break; case CTRL_SHUTDOWN_EVENT: case CTRL_CLOSE_EVENT: case CTRL_LOGOFF_EVENT: default: WSACleanup (); return FALSE; } return TRUE; } void ws_changetitle (char *url, int nurl) { char *title_buf; if (!nurl) return; title_buf = (char *)alloca (strlen (url) + 20); sprintf (title_buf, "Wget %s%s", url, nurl == 1 ? "" : " ..."); SetConsoleTitle (title_buf); } char * ws_mypath (void) { static char *wspathsave; char buffer[MAX_PATH]; char *ptr; if (wspathsave) { return wspathsave; } GetModuleFileName (NULL, buffer, MAX_PATH); ptr = strrchr (buffer, '\\'); if (ptr) { *(ptr + 1) = '\0'; wspathsave = (char*) xmalloc (strlen (buffer) + 1); strcpy (wspathsave, buffer); } else wspathsave = NULL; return wspathsave; } void ws_help (const char *name) { char *mypath = ws_mypath (); if (mypath) { struct stat sbuf; char *buf = (char *)alloca (strlen (mypath) + strlen (name) + 4 + 1); sprintf (buf, "%s%s.HLP", mypath, name); if (stat (buf, &sbuf) == 0) { printf (_("Starting WinHelp %s\n"), buf); WinHelp (NULL, buf, HELP_INDEX, NULL); } else { printf ("%s: %s\n", buf, strerror (errno)); } } } void ws_startup (void) { WORD requested; WSADATA data; int err; OSVERSIONINFO os; if (GetVersionEx (&os) == TRUE && os.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) windows_nt_p = 1; requested = MAKEWORD (1, 1); err = WSAStartup (requested, &data); if (err != 0) { fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"), exec_name); exit (1); } if (data.wVersion < requested) { fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"), exec_name); WSACleanup (); exit (1); } atexit (ws_cleanup); SetConsoleCtrlHandler (ws_handler, TRUE); } /* Replacement utime function for buggy Borland C++Builder 5.5 compiler. (The Borland utime function only works on Windows NT.) */ #ifdef HACK_BCC_UTIME_BUG int borland_utime(const char *path, const struct utimbuf *times) { int fd; int res; struct ftime ft; struct tm *ptr_tm; if ((fd = open (path, O_RDWR)) < 0) return -1; ptr_tm = localtime (×->modtime); ft.ft_tsec = ptr_tm->tm_sec >> 1; ft.ft_min = ptr_tm->tm_min; ft.ft_hour = ptr_tm->tm_hour; ft.ft_day = ptr_tm->tm_mday; ft.ft_month = ptr_tm->tm_mon + 1; ft.ft_year = ptr_tm->tm_year - 80; res = setftime (fd, &ft); close (fd); return res; } #endif