Commit | Line | Data |
---|---|---|
1b94449f RS |
1 | /* MS-DOS specific Lisp utilities. Coded by Manabu Higashida, 1991. |
2 | Major changes May-July 1993 Morten Welinder (only 10% original code left) | |
0b5538bd | 3 | Copyright (C) 1991, 1993, 1996, 1997, 1998, 2001, 2002, 2003, 2004, |
114f9c96 | 4 | 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
1b94449f RS |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
1b94449f | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
1b94449f RS |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
1b94449f | 20 | |
48984716 | 21 | #include <config.h> |
1b94449f RS |
22 | |
23 | #ifdef MSDOS | |
24 | /* The entire file is within this conditional */ | |
25 | ||
26 | #include <stdio.h> | |
e4441df0 | 27 | #include <string.h> |
1b94449f | 28 | #include <dos.h> |
d7306fe6 | 29 | #include <setjmp.h> |
1b94449f RS |
30 | #include "lisp.h" |
31 | #include "buffer.h" | |
32 | #include "termchar.h" | |
1b94449f | 33 | #include "frame.h" |
c06981c0 | 34 | #include "termhooks.h" |
838a94b8 EZ |
35 | #include "blockinput.h" |
36 | #include "window.h" | |
1b94449f RS |
37 | #include "dosfns.h" |
38 | #include "msdos.h" | |
e4441df0 | 39 | #include "dispextern.h" |
83be827a | 40 | #include "character.h" |
76a76a57 | 41 | #include "coding.h" |
e5c9f94c | 42 | #include "process.h" |
838a94b8 | 43 | #include <dpmi.h> |
5f08dc78 | 44 | #include <go32.h> |
50666766 | 45 | #include <dirent.h> |
76a76a57 | 46 | #include <sys/vfs.h> |
e5c9f94c EZ |
47 | #include <unistd.h> |
48 | #include <grp.h> | |
49 | #include <crt0.h> | |
1b94449f | 50 | |
1b94449f | 51 | DEFUN ("int86", Fint86, Sint86, 2, 2, 0, |
8fc29035 | 52 | doc: /* Call specific MS-DOS interrupt number INTERRUPT with REGISTERS. |
7363986a PJ |
53 | Return the updated REGISTER vector. |
54 | ||
55 | INTERRUPT should be an integer in the range 0 to 255. | |
56 | REGISTERS should be a vector produced by `make-register' and | |
57 | `set-register-value'. */) | |
5842a27b | 58 | (Lisp_Object interrupt, Lisp_Object registers) |
1b94449f RS |
59 | { |
60 | register int i; | |
61 | int no; | |
62 | union REGS inregs, outregs; | |
1b94449f | 63 | |
b7826503 | 64 | CHECK_NUMBER (interrupt); |
e20104ba | 65 | no = (unsigned long) XINT (interrupt); |
b7826503 | 66 | CHECK_VECTOR (registers); |
b058cb36 | 67 | if (no < 0 || no > 0xff || XVECTOR (registers)-> size != 8) |
1b94449f RS |
68 | return Qnil; |
69 | for (i = 0; i < 8; i++) | |
b7826503 | 70 | CHECK_NUMBER (XVECTOR (registers)->contents[i]); |
1b94449f | 71 | |
e20104ba EN |
72 | inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (registers)->contents[0]); |
73 | inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[1]); | |
74 | inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[2]); | |
75 | inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[3]); | |
76 | inregs.x.si = (unsigned long) XFASTINT (XVECTOR (registers)->contents[4]); | |
77 | inregs.x.di = (unsigned long) XFASTINT (XVECTOR (registers)->contents[5]); | |
78 | inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (registers)->contents[6]); | |
79 | inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (registers)->contents[7]); | |
1b94449f RS |
80 | |
81 | int86 (no, &inregs, &outregs); | |
82 | ||
e20104ba EN |
83 | XVECTOR (registers)->contents[0] = make_number (outregs.x.ax); |
84 | XVECTOR (registers)->contents[1] = make_number (outregs.x.bx); | |
85 | XVECTOR (registers)->contents[2] = make_number (outregs.x.cx); | |
86 | XVECTOR (registers)->contents[3] = make_number (outregs.x.dx); | |
87 | XVECTOR (registers)->contents[4] = make_number (outregs.x.si); | |
88 | XVECTOR (registers)->contents[5] = make_number (outregs.x.di); | |
89 | XVECTOR (registers)->contents[6] = make_number (outregs.x.cflag); | |
90 | XVECTOR (registers)->contents[7] = make_number (outregs.x.flags); | |
1b94449f | 91 | |
e20104ba | 92 | return registers; |
1b94449f RS |
93 | } |
94 | ||
5f08dc78 | 95 | DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, |
7363986a PJ |
96 | doc: /* Read DOS memory at offset ADDRESS into VECTOR. |
97 | Return the updated VECTOR. */) | |
5842a27b | 98 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
99 | { |
100 | register int i; | |
101 | int offs, len; | |
102 | char *buf; | |
5f08dc78 | 103 | |
b7826503 | 104 | CHECK_NUMBER (address); |
e20104ba | 105 | offs = (unsigned long) XINT (address); |
b7826503 | 106 | CHECK_VECTOR (vector); |
e20104ba | 107 | len = XVECTOR (vector)-> size; |
238a44a8 | 108 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
109 | return Qnil; |
110 | buf = alloca (len); | |
111 | dosmemget (offs, len, buf); | |
b058cb36 | 112 | |
5f08dc78 | 113 | for (i = 0; i < len; i++) |
e20104ba | 114 | XVECTOR (vector)->contents[i] = make_number (buf[i]); |
5f08dc78 | 115 | |
e20104ba | 116 | return vector; |
5f08dc78 KS |
117 | } |
118 | ||
119 | DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, | |
7363986a | 120 | doc: /* Write DOS memory at offset ADDRESS from VECTOR. */) |
5842a27b | 121 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
122 | { |
123 | register int i; | |
124 | int offs, len; | |
125 | char *buf; | |
5f08dc78 | 126 | |
b7826503 | 127 | CHECK_NUMBER (address); |
e20104ba | 128 | offs = (unsigned long) XINT (address); |
b7826503 | 129 | CHECK_VECTOR (vector); |
e20104ba | 130 | len = XVECTOR (vector)-> size; |
238a44a8 | 131 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
132 | return Qnil; |
133 | buf = alloca (len); | |
134 | ||
135 | for (i = 0; i < len; i++) | |
136 | { | |
b7826503 | 137 | CHECK_NUMBER (XVECTOR (vector)->contents[i]); |
e20104ba | 138 | buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF; |
5f08dc78 KS |
139 | } |
140 | ||
141 | dosmemput (buf, len, offs); | |
142 | return Qt; | |
143 | } | |
144 | ||
145 | DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, | |
7363986a PJ |
146 | doc: /* Set keyboard layout according to COUNTRY-CODE. |
147 | If the optional argument ALLKEYS is non-nil, the keyboard is mapped for | |
148 | all keys; otherwise it is only used when the ALT key is pressed. | |
149 | The current keyboard layout is available in dos-keyboard-code. */) | |
5842a27b | 150 | (Lisp_Object country_code, Lisp_Object allkeys) |
5f08dc78 | 151 | { |
b7826503 | 152 | CHECK_NUMBER (country_code); |
5f08dc78 KS |
153 | if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) |
154 | return Qnil; | |
155 | return Qt; | |
156 | } | |
157 | ||
87485d6f MW |
158 | #ifndef HAVE_X_WINDOWS |
159 | /* Later we might want to control the mouse interface with this function, | |
160 | e.g., with respect to non-80 column screen modes. */ | |
161 | ||
7363986a PJ |
162 | DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, |
163 | doc: /* Report whether a mouse is present. */) | |
5842a27b | 164 | (void) |
87485d6f MW |
165 | { |
166 | if (have_mouse) | |
167 | return Qt; | |
168 | else | |
169 | return Qnil; | |
170 | } | |
87485d6f MW |
171 | #endif |
172 | ||
ac3b0279 | 173 | DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", |
7363986a | 174 | doc: /* Initialize and enable mouse if available. */) |
5842a27b | 175 | (void) |
ac3b0279 | 176 | { |
5f08dc78 KS |
177 | if (have_mouse) |
178 | { | |
179 | have_mouse = 1; | |
180 | mouse_init (); | |
181 | return Qt; | |
182 | } | |
ac3b0279 RS |
183 | return Qnil; |
184 | } | |
185 | ||
186 | DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", | |
7363986a | 187 | doc: /* Enable mouse if available. */) |
5842a27b | 188 | (void) |
ac3b0279 RS |
189 | { |
190 | if (have_mouse) | |
191 | { | |
5f08dc78 KS |
192 | have_mouse = 1; |
193 | mouse_on (); | |
ac3b0279 RS |
194 | } |
195 | return have_mouse ? Qt : Qnil; | |
196 | } | |
197 | ||
198 | DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", | |
7363986a | 199 | doc: /* Disable mouse if available. */) |
5842a27b | 200 | (void) |
ac3b0279 RS |
201 | { |
202 | mouse_off (); | |
203 | if (have_mouse) have_mouse = -1; | |
204 | return Qnil; | |
205 | } | |
206 | ||
7363986a | 207 | DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", |
cd53fb50 | 208 | doc: /* Insert copy of screen contents prior to starting Emacs. |
7363986a | 209 | Return nil if startup screen is not available. */) |
5842a27b | 210 | (void) |
5f08dc78 KS |
211 | { |
212 | char *s; | |
b058cb36 EZ |
213 | int rows, cols, i, j; |
214 | ||
5f08dc78 KS |
215 | if (!dos_get_saved_screen (&s, &rows, &cols)) |
216 | return Qnil; | |
b058cb36 | 217 | |
5f08dc78 KS |
218 | for (i = 0; i < rows; i++) |
219 | { | |
220 | for (j = 0; j < cols; j++) | |
221 | { | |
65788bc2 | 222 | insert_char (*s); |
5f08dc78 KS |
223 | s += 2; |
224 | } | |
65788bc2 | 225 | insert_char ('\n'); |
5f08dc78 KS |
226 | } |
227 | ||
228 | return Qt; | |
229 | } | |
87485d6f | 230 | \f |
5f08dc78 | 231 | /* country info */ |
31ade731 SM |
232 | EMACS_INT dos_country_code; |
233 | EMACS_INT dos_codepage; | |
234 | EMACS_INT dos_timezone_offset; | |
235 | EMACS_INT dos_decimal_point; | |
236 | EMACS_INT dos_keyboard_layout; | |
5f08dc78 | 237 | unsigned char dos_country_info[DOS_COUNTRY_INFO]; |
e089dc62 RS |
238 | static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { |
239 | 0, 0, /* date format */ | |
240 | '$', 0, 0, 0, 0, /* currency string */ | |
241 | ',', 0, /* thousands separator */ | |
242 | '.', 0, /* decimal separator */ | |
243 | '/', 0, /* date separator */ | |
244 | ':', 0, /* time separator */ | |
245 | 0, /* currency format */ | |
246 | 2, /* digits after decimal in currency */ | |
247 | 0, /* time format */ | |
248 | 0, 0, 0, 0, /* address of case map routine, GPF if used */ | |
249 | ' ', 0, /* data-list separator (?) */ | |
250 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ | |
251 | }; | |
5f08dc78 | 252 | |
31ade731 SM |
253 | EMACS_INT dos_hyper_key; |
254 | EMACS_INT dos_super_key; | |
255 | EMACS_INT dos_keypad_mode; | |
1b94449f | 256 | |
5f08dc78 KS |
257 | Lisp_Object Vdos_version; |
258 | Lisp_Object Vdos_display_scancodes; | |
838a94b8 EZ |
259 | |
260 | #ifndef HAVE_X_WINDOWS | |
261 | static unsigned dos_windows_version; | |
262 | Lisp_Object Vdos_windows_version; | |
263 | ||
264 | char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ | |
265 | int w95_set_virtual_machine_title (const char *); | |
266 | ||
267 | void | |
268 | restore_parent_vm_title (void) | |
269 | { | |
270 | if (NILP (Vdos_windows_version)) | |
271 | return; | |
272 | if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) | |
273 | w95_set_virtual_machine_title (parent_vm_title); | |
274 | delay (50); | |
275 | } | |
276 | #endif /* !HAVE_X_WINDOWS */ | |
b058cb36 | 277 | |
1b94449f | 278 | void |
3a8ce822 | 279 | init_dosfns (void) |
1b94449f RS |
280 | { |
281 | union REGS regs; | |
1b94449f | 282 | _go32_dpmi_registers dpmiregs; |
e089dc62 | 283 | unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; |
1b94449f | 284 | |
87485d6f | 285 | #ifndef SYSTEM_MALLOC |
891ef8f7 EZ |
286 | extern void get_lim_data (void); |
287 | ||
1b94449f | 288 | get_lim_data (); /* why the hell isn't this called elsewhere? */ |
87485d6f | 289 | #endif |
1b94449f RS |
290 | |
291 | regs.x.ax = 0x3000; | |
292 | intdos (®s, ®s); | |
293 | Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); | |
294 | ||
e089dc62 RS |
295 | /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ |
296 | dpmiregs.x.ax = 0x3800; | |
7a2fd369 | 297 | dpmiregs.x.ds = xbuf >> 4; |
e089dc62 RS |
298 | dpmiregs.x.dx = 0; |
299 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
300 | _go32_dpmi_simulate_int (0x21, &dpmiregs); | |
301 | if (dpmiregs.x.flags & 1) | |
302 | { | |
303 | dos_country_code = 1; /* assume USA if 213800 failed */ | |
304 | memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); | |
305 | } | |
1b94449f RS |
306 | else |
307 | { | |
1b94449f | 308 | dos_country_code = dpmiregs.x.bx; |
e089dc62 | 309 | dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); |
1b94449f | 310 | } |
e089dc62 | 311 | |
5f08dc78 | 312 | dos_set_keyboard (dos_country_code, 0); |
1b94449f RS |
313 | |
314 | regs.x.ax = 0x6601; | |
315 | intdos (®s, ®s); | |
316 | if (regs.x.cflag) | |
317 | /* Estimate code page from country code */ | |
b058cb36 | 318 | switch (dos_country_code) |
1b94449f RS |
319 | { |
320 | case 45: /* Denmark */ | |
321 | case 47: /* Norway */ | |
322 | dos_codepage = 865; | |
323 | break; | |
324 | default: | |
325 | /* US */ | |
326 | dos_codepage = 437; | |
327 | } | |
328 | else | |
329 | dos_codepage = regs.x.bx & 0xffff; | |
50666766 | 330 | |
838a94b8 EZ |
331 | #ifndef HAVE_X_WINDOWS |
332 | parent_vm_title[0] = '\0'; | |
333 | ||
334 | /* If we are running from DOS box on MS-Windows, get Windows version. */ | |
335 | dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ | |
336 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
337 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
338 | /* We only support Windows-specific features when we run on Windows 9X | |
339 | or on Windows 3.X/enhanced mode. | |
340 | ||
341 | Int 2Fh/AX=1600h returns: | |
342 | ||
343 | AL = 00: no Windows at all; | |
344 | AL = 01: Windows/386 2.x; | |
345 | AL = 80h: Windows 3.x in mode other than enhanced; | |
346 | AL = FFh: Windows/386 2.x | |
347 | ||
348 | We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ | |
349 | if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff | |
350 | && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) | |
351 | { | |
352 | dos_windows_version = dpmiregs.x.ax; | |
353 | Vdos_windows_version = | |
354 | Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); | |
355 | ||
356 | /* Save the current title of this virtual machine, so we can restore | |
357 | it before exiting. Otherwise, Windows 95 will continue to use | |
358 | the title we set even after we are history, stupido... */ | |
359 | if (dpmiregs.h.al >= 4) | |
360 | { | |
361 | dpmiregs.x.ax = 0x168e; | |
362 | dpmiregs.x.dx = 3; /* get VM title */ | |
363 | dpmiregs.x.cx = sizeof(parent_vm_title) - 1; | |
364 | dpmiregs.x.es = __tb >> 4; | |
365 | dpmiregs.x.di = __tb & 15; | |
366 | dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; | |
367 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
368 | if (dpmiregs.x.ax == 1) | |
369 | dosmemget (__tb, sizeof(parent_vm_title), parent_vm_title); | |
370 | } | |
371 | } | |
372 | else | |
373 | { | |
374 | dos_windows_version = 0; | |
375 | Vdos_windows_version = Qnil; | |
376 | } | |
377 | #endif /* !HAVE_X_WINDOWS */ | |
378 | ||
459f4042 RS |
379 | /* Without this, we never see hidden files. |
380 | Don't OR it with the previous value, so the value recorded at dump | |
381 | time, possibly with `preserve-case' flags set, won't get through. */ | |
382 | __opendir_flags = __OPENDIR_FIND_HIDDEN; | |
383 | ||
384 | #if __DJGPP_MINOR__ == 0 | |
385 | /* Under LFN, preserve the case of files as recorded in the directory | |
386 | (in DJGPP 2.01 and later this is automagically done by the library). */ | |
50666766 RS |
387 | if (!NILP (Fmsdos_long_file_names ())) |
388 | __opendir_flags |= __OPENDIR_PRESERVE_CASE; | |
459f4042 | 389 | #endif /* __DJGPP_MINOR__ == 0 */ |
1b94449f RS |
390 | } |
391 | \f | |
838a94b8 | 392 | #ifndef HAVE_X_WINDOWS |
e4441df0 EZ |
393 | |
394 | /* Emulation of some X window features from xfns.c and xfaces.c. */ | |
395 | ||
396 | /* Standard VGA colors, in the order of their standard numbering | |
397 | in the default VGA palette. */ | |
398 | static char *vga_colors[16] = { | |
399 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
400 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
401 | "lightred", "lightmagenta", "yellow", "white" | |
402 | }; | |
403 | ||
404 | /* Given a color name, return its index, or -1 if not found. Note | |
405 | that this only performs case-insensitive comparison against the | |
406 | standard names. For anything more sophisticated, like matching | |
407 | "gray" with "grey" or translating X color names into their MSDOS | |
2d764c78 EZ |
408 | equivalents, call the Lisp function Qtty_color_desc (defined |
409 | on lisp/term/tty-colors.el). */ | |
e4441df0 EZ |
410 | int |
411 | msdos_stdcolor_idx (const char *name) | |
412 | { | |
413 | int i; | |
414 | ||
415 | for (i = 0; i < sizeof (vga_colors) / sizeof (vga_colors[0]); i++) | |
05131107 | 416 | if (xstrcasecmp (name, vga_colors[i]) == 0) |
e4441df0 EZ |
417 | return i; |
418 | ||
f9d2fdc4 | 419 | return |
24480d5b EZ |
420 | strcmp (name, unspecified_fg) == 0 ? FACE_TTY_DEFAULT_FG_COLOR |
421 | : strcmp (name, unspecified_bg) == 0 ? FACE_TTY_DEFAULT_BG_COLOR | |
f9d2fdc4 | 422 | : FACE_TTY_DEFAULT_COLOR; |
e4441df0 EZ |
423 | } |
424 | ||
425 | /* Given a color index, return its standard name. */ | |
2d764c78 | 426 | Lisp_Object |
e4441df0 EZ |
427 | msdos_stdcolor_name (int idx) |
428 | { | |
24480d5b EZ |
429 | extern Lisp_Object Qunspecified; |
430 | ||
431 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) | |
432 | return build_string (unspecified_fg); | |
433 | else if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
434 | return build_string (unspecified_bg); | |
435 | else if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
436 | return build_string (vga_colors[idx]); | |
437 | else | |
438 | return Qunspecified; /* meaning the default */ | |
e4441df0 EZ |
439 | } |
440 | ||
838a94b8 EZ |
441 | /* Support for features that are available when we run in a DOS box |
442 | on MS-Windows. */ | |
443 | int | |
444 | ms_windows_version (void) | |
445 | { | |
446 | return dos_windows_version; | |
447 | } | |
448 | ||
449 | /* Set the title of the current virtual machine, to appear on | |
450 | the caption bar of that machine's window. */ | |
451 | ||
452 | int | |
453 | w95_set_virtual_machine_title (const char *title_string) | |
454 | { | |
455 | /* Only Windows 9X (version 4 and higher) support this function. */ | |
456 | if (!NILP (Vdos_windows_version) | |
457 | && (dos_windows_version & 0xff) >= 4) | |
458 | { | |
459 | _go32_dpmi_registers regs; | |
460 | dosmemput (title_string, strlen (title_string) + 1, __tb); | |
461 | regs.x.ax = 0x168e; | |
462 | regs.x.dx = 1; | |
463 | regs.x.es = __tb >> 4; | |
464 | regs.x.di = __tb & 15; | |
465 | regs.x.sp = regs.x.ss = regs.x.flags = 0; | |
466 | _go32_dpmi_simulate_int (0x2f, ®s); | |
467 | return regs.x.ax == 1; | |
468 | } | |
469 | return 0; | |
470 | } | |
471 | ||
472 | /* Change the title of frame F to NAME. | |
473 | If NAME is nil, use the frame name as the title. | |
474 | ||
475 | If Emacs is not run from a DOS box on Windows 9X, this only | |
476 | sets the name in the frame struct, but has no other effects. */ | |
477 | ||
478 | void | |
3a8ce822 | 479 | x_set_title (struct frame *f, Lisp_Object name) |
838a94b8 EZ |
480 | { |
481 | /* Don't change the title if it's already NAME. */ | |
482 | if (EQ (name, f->title)) | |
483 | return; | |
484 | ||
485 | update_mode_lines = 1; | |
486 | ||
487 | f->title = name; | |
488 | ||
489 | if (NILP (name)) | |
490 | name = f->name; | |
491 | ||
492 | if (FRAME_MSDOS_P (f)) | |
493 | { | |
494 | BLOCK_INPUT; | |
d5db4077 | 495 | w95_set_virtual_machine_title (SDATA (name)); |
838a94b8 EZ |
496 | UNBLOCK_INPUT; |
497 | } | |
498 | } | |
499 | #endif /* !HAVE_X_WINDOWS */ | |
500 | \f | |
76a76a57 | 501 | DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0, |
7363986a PJ |
502 | doc: /* Return storage information about the file system FILENAME is on. |
503 | Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total | |
504 | storage of the file system, FREE is the free storage, and AVAIL is the | |
505 | storage available to a non-superuser. All 3 numbers are in bytes. | |
506 | If the underlying system call fails, value is nil. */) | |
5842a27b | 507 | (Lisp_Object filename) |
76a76a57 EZ |
508 | { |
509 | struct statfs stfs; | |
510 | Lisp_Object encoded, value; | |
511 | ||
b7826503 | 512 | CHECK_STRING (filename); |
76a76a57 EZ |
513 | filename = Fexpand_file_name (filename, Qnil); |
514 | encoded = ENCODE_FILE (filename); | |
515 | ||
d5db4077 | 516 | if (statfs (SDATA (encoded), &stfs)) |
76a76a57 EZ |
517 | value = Qnil; |
518 | else | |
519 | value = list3 (make_float ((double) stfs.f_bsize * stfs.f_blocks), | |
520 | make_float ((double) stfs.f_bsize * stfs.f_bfree), | |
521 | make_float ((double) stfs.f_bsize * stfs.f_bavail)); | |
522 | ||
523 | return value; | |
524 | } | |
525 | \f | |
e5c9f94c EZ |
526 | /* System depended enumeration of and access to system processes a-la |
527 | ps(1). Here, we only return info about the running Emacs process. | |
528 | (There are no other processes on DOS, right?) */ | |
529 | ||
530 | Lisp_Object | |
3a8ce822 | 531 | list_system_processes (void) |
e5c9f94c EZ |
532 | { |
533 | Lisp_Object proclist = Qnil; | |
534 | ||
535 | proclist = Fcons (make_fixnum_or_float (getpid ()), proclist); | |
536 | ||
537 | return proclist; | |
538 | } | |
539 | ||
540 | Lisp_Object | |
541 | system_process_attributes (Lisp_Object pid) | |
542 | { | |
543 | int proc_id; | |
544 | Lisp_Object attrs = Qnil; | |
545 | ||
546 | CHECK_NUMBER_OR_FLOAT (pid); | |
547 | proc_id = FLOATP (pid) ? XFLOAT_DATA (pid) : XINT (pid); | |
548 | ||
549 | if (proc_id == getpid ()) | |
550 | { | |
551 | EMACS_INT uid, gid; | |
552 | char *usr; | |
553 | struct group *gr; | |
554 | char cmd[FILENAME_MAX]; | |
555 | char *cmdline = NULL, *p, *q; | |
556 | size_t cmdline_size = 0; | |
557 | int i; | |
558 | Lisp_Object cmd_str, decoded_cmd, tem; | |
559 | double pmem; | |
891ef8f7 | 560 | EXFUN (Fget_internal_run_time, 0); |
693a2698 | 561 | #ifndef SYSTEM_MALLOC |
e5c9f94c | 562 | extern unsigned long ret_lim_data (); |
693a2698 | 563 | #endif |
e5c9f94c EZ |
564 | |
565 | uid = getuid (); | |
566 | attrs = Fcons (Fcons (Qeuid, make_fixnum_or_float (uid)), attrs); | |
567 | usr = getlogin (); | |
568 | if (usr) | |
569 | attrs = Fcons (Fcons (Quser, build_string (usr)), attrs); | |
570 | gid = getgid (); | |
571 | attrs = Fcons (Fcons (Qegid, make_fixnum_or_float (gid)), attrs); | |
572 | gr = getgrgid (gid); | |
573 | if (gr) | |
574 | attrs = Fcons (Fcons (Qgroup, build_string (gr->gr_name)), attrs); | |
575 | strcpy (cmd, basename (__crt0_argv[0])); | |
576 | /* Command name is encoded in locale-coding-system; decode it. */ | |
577 | cmd_str = make_unibyte_string (cmd, strlen (cmd)); | |
578 | decoded_cmd = code_convert_string_norecord (cmd_str, | |
579 | Vlocale_coding_system, 0); | |
580 | attrs = Fcons (Fcons (Qcomm, decoded_cmd), attrs); | |
581 | /* Pretend we have 0 as PPID. */ | |
582 | attrs = Fcons (Fcons (Qppid, make_number (0)), attrs); | |
583 | attrs = Fcons (Fcons (Qpgrp, pid), attrs); | |
584 | attrs = Fcons (Fcons (Qttname, build_string ("/dev/tty")), attrs); | |
585 | /* We are never idle! */ | |
586 | tem = Fget_internal_run_time (); | |
587 | attrs = Fcons (Fcons (Qtime, tem), attrs); | |
588 | attrs = Fcons (Fcons (Qthcount, make_number (1)), attrs); | |
589 | attrs = Fcons (Fcons (Qstart, | |
590 | Fsymbol_value (intern ("before-init-time"))), | |
591 | attrs); | |
592 | attrs = Fcons (Fcons (Qvsize, | |
593 | make_fixnum_or_float ((unsigned long)sbrk(0)/1024)), | |
594 | attrs); | |
595 | attrs = Fcons (Fcons (Qetime, tem), attrs); | |
693a2698 EZ |
596 | #ifndef SYSTEM_MALLOC |
597 | /* ret_lim_data is on vm-limit.c, which is not compiled in under | |
598 | SYSTEM_MALLOC. */ | |
e5c9f94c EZ |
599 | pmem = (double)((unsigned long) sbrk (0)) / ret_lim_data () * 100.0; |
600 | if (pmem > 100) | |
693a2698 | 601 | #endif |
e5c9f94c EZ |
602 | pmem = 100; |
603 | attrs = Fcons (Fcons (Qpmem, make_float (pmem)), attrs); | |
604 | /* Pass 1: Count how much storage we need. */ | |
605 | for (i = 0; i < __crt0_argc; i++) | |
606 | { | |
607 | cmdline_size += strlen (__crt0_argv[i]) + 1; /* +1 for blank delim */ | |
608 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
609 | { | |
610 | cmdline_size += 2; | |
611 | for (p = __crt0_argv[i]; *p; p++) | |
612 | { | |
613 | if (*p == '"') | |
614 | cmdline_size++; | |
615 | } | |
616 | } | |
617 | } | |
618 | /* Pass 2: Allocate storage and concatenate argv[]. */ | |
619 | cmdline = xmalloc (cmdline_size + 1); | |
620 | for (i = 0, q = cmdline; i < __crt0_argc; i++) | |
621 | { | |
622 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
623 | { | |
624 | *q++ = '"'; | |
625 | for (p = __crt0_argv[i]; *p; p++) | |
626 | { | |
627 | if (*p == '\"') | |
628 | *q++ = '\\'; | |
629 | *q++ = *p; | |
630 | } | |
631 | *q++ = '"'; | |
632 | } | |
633 | else | |
634 | { | |
635 | strcpy (q, __crt0_argv[i]); | |
636 | q += strlen (__crt0_argv[i]); | |
637 | } | |
638 | *q++ = ' '; | |
639 | } | |
640 | /* Remove the trailing blank. */ | |
641 | if (q > cmdline) | |
642 | q[-1] = '\0'; | |
643 | ||
644 | /* Command line is encoded in locale-coding-system; decode it. */ | |
645 | cmd_str = make_unibyte_string (cmdline, strlen (cmdline)); | |
646 | decoded_cmd = code_convert_string_norecord (cmd_str, | |
647 | Vlocale_coding_system, 0); | |
648 | xfree (cmdline); | |
649 | attrs = Fcons (Fcons (Qargs, decoded_cmd), attrs); | |
650 | } | |
651 | ||
652 | return attrs; | |
653 | } | |
654 | \f | |
838a94b8 EZ |
655 | void |
656 | dos_cleanup (void) | |
657 | { | |
c06981c0 EZ |
658 | struct tty_display_info *tty; |
659 | ||
838a94b8 EZ |
660 | #ifndef HAVE_X_WINDOWS |
661 | restore_parent_vm_title (); | |
662 | #endif | |
6f855d64 EZ |
663 | /* Make sure the termscript file is committed, in case we are |
664 | crashing and some vital info was written there. */ | |
c06981c0 | 665 | if (FRAMEP (selected_frame)) |
6f855d64 | 666 | { |
c06981c0 EZ |
667 | struct frame *sf = XFRAME (selected_frame); |
668 | ||
669 | if (FRAME_LIVE_P (sf) | |
670 | && (FRAME_MSDOS_P (sf) || FRAME_TERMCAP_P (sf))) | |
671 | { | |
672 | tty = CURTTY (); | |
673 | if (tty->termscript) | |
674 | { | |
675 | fflush (tty->termscript); | |
676 | fsync (fileno (tty->termscript)); | |
677 | } | |
678 | } | |
6f855d64 | 679 | } |
838a94b8 EZ |
680 | } |
681 | ||
1b94449f RS |
682 | /* |
683 | * Define everything | |
684 | */ | |
3a8ce822 EZ |
685 | void |
686 | syms_of_dosfns (void) | |
1b94449f | 687 | { |
1b94449f | 688 | defsubr (&Sint86); |
5f08dc78 KS |
689 | defsubr (&Sdos_memget); |
690 | defsubr (&Sdos_memput); | |
ac3b0279 RS |
691 | defsubr (&Smsdos_mouse_init); |
692 | defsubr (&Smsdos_mouse_enable); | |
5f08dc78 KS |
693 | defsubr (&Smsdos_set_keyboard); |
694 | defsubr (&Sinsert_startup_screen); | |
ac3b0279 | 695 | defsubr (&Smsdos_mouse_disable); |
76a76a57 | 696 | defsubr (&Sfile_system_info); |
87485d6f MW |
697 | #ifndef HAVE_X_WINDOWS |
698 | defsubr (&Smsdos_mouse_p); | |
87485d6f | 699 | #endif |
1b94449f RS |
700 | |
701 | DEFVAR_INT ("dos-country-code", &dos_country_code, | |
7363986a PJ |
702 | doc: /* The country code returned by Dos when Emacs was started. |
703 | Usually this is the international telephone prefix. */); | |
1b94449f RS |
704 | |
705 | DEFVAR_INT ("dos-codepage", &dos_codepage, | |
7363986a PJ |
706 | doc: /* The codepage active when Emacs was started. |
707 | The following are known: | |
708 | 437 United States | |
709 | 850 Multilingual (Latin I) | |
710 | 852 Slavic (Latin II) | |
711 | 857 Turkish | |
712 | 860 Portugal | |
713 | 861 Iceland | |
714 | 863 Canada (French) | |
715 | 865 Norway/Denmark */); | |
1b94449f | 716 | |
5f08dc78 | 717 | DEFVAR_INT ("dos-timezone-offset", &dos_timezone_offset, |
7363986a PJ |
718 | doc: /* The current timezone offset to UTC in minutes. |
719 | Implicitly modified when the TZ variable is changed. */); | |
b058cb36 | 720 | |
1b94449f | 721 | DEFVAR_LISP ("dos-version", &Vdos_version, |
7363986a | 722 | doc: /* The (MAJOR . MINOR) Dos version (subject to modification with setver). */); |
5f08dc78 | 723 | |
838a94b8 EZ |
724 | #ifndef HAVE_X_WINDOWS |
725 | DEFVAR_LISP ("dos-windows-version", &Vdos_windows_version, | |
7363986a | 726 | doc: /* The (MAJOR . MINOR) Windows version for DOS session on MS-Windows. */); |
838a94b8 EZ |
727 | #endif |
728 | ||
5f08dc78 | 729 | DEFVAR_LISP ("dos-display-scancodes", &Vdos_display_scancodes, |
7363986a PJ |
730 | doc: /* *Controls whether DOS raw keyboard events are displayed as you type. |
731 | When non-nil, the keyboard scan-codes are displayed at the bottom right | |
732 | corner of the display (typically at the end of the mode line). | |
733 | The output format is: scan code:char code*modifiers. */); | |
734 | ||
5f08dc78 | 735 | Vdos_display_scancodes = Qnil; |
b058cb36 | 736 | |
5f08dc78 | 737 | DEFVAR_INT ("dos-hyper-key", &dos_hyper_key, |
7363986a PJ |
738 | doc: /* *If set to 1, use right ALT key as hyper key. |
739 | If set to 2, use right CTRL key as hyper key. */); | |
5f08dc78 | 740 | dos_hyper_key = 0; |
b058cb36 | 741 | |
5f08dc78 | 742 | DEFVAR_INT ("dos-super-key", &dos_super_key, |
7363986a PJ |
743 | doc: /* *If set to 1, use right ALT key as super key. |
744 | If set to 2, use right CTRL key as super key. */); | |
5f08dc78 | 745 | dos_super_key = 0; |
b058cb36 | 746 | |
5f08dc78 | 747 | DEFVAR_INT ("dos-keypad-mode", &dos_keypad_mode, |
7363986a PJ |
748 | doc: /* *Controls what key code is returned by a key in the numeric keypad. |
749 | The `numlock ON' action is only taken if no modifier keys are pressed. | |
750 | The value is an integer constructed by adding the following bits together: | |
751 | ||
752 | 0x00 Digit key returns digit (if numlock ON) | |
753 | 0x01 Digit key returns kp-digit (if numlock ON) | |
754 | 0x02 Digit key returns M-digit (if numlock ON) | |
755 | 0x03 Digit key returns edit key (if numlock ON) | |
756 | ||
757 | 0x00 Grey key returns char (if numlock ON) | |
758 | 0x04 Grey key returns kp-key (if numlock ON) | |
759 | ||
760 | 0x00 Digit key returns digit (if numlock OFF) | |
761 | 0x10 Digit key returns kp-digit (if numlock OFF) | |
762 | 0x20 Digit key returns M-digit (if numlock OFF) | |
763 | 0x30 Digit key returns edit key (if numlock OFF) | |
764 | ||
765 | 0x00 Grey key returns char (if numlock OFF) | |
766 | 0x40 Grey key returns kp-key (if numlock OFF) | |
767 | ||
768 | 0x200 ALT-0..ALT-9 in top-row produces shifted codes. */); | |
b3d5621c | 769 | dos_keypad_mode = 0x75; |
b058cb36 | 770 | |
5f08dc78 | 771 | DEFVAR_INT ("dos-keyboard-layout", &dos_keyboard_layout, |
7363986a PJ |
772 | doc: /* Contains the country code for the current keyboard layout. |
773 | Use msdos-set-keyboard to select another keyboard layout. */); | |
5f08dc78 | 774 | dos_keyboard_layout = 1; /* US */ |
b058cb36 | 775 | |
5f08dc78 | 776 | DEFVAR_INT ("dos-decimal-point", &dos_decimal_point, |
7363986a PJ |
777 | doc: /* The character to produce when kp-decimal key is pressed. |
778 | If non-zero, this variable contains the character to be returned when the | |
779 | decimal point key in the numeric keypad is pressed when Num Lock is on. | |
780 | If zero, the decimal point key returns the country code specific value. */); | |
5f08dc78 | 781 | dos_decimal_point = 0; |
1b94449f RS |
782 | } |
783 | #endif /* MSDOS */ | |
6b61353c KH |
784 | |
785 | /* arch-tag: f5ea8847-a014-42c9-83f5-7738ad640b17 | |
786 | (do not change this comment) */ |