Mercurial > hg > xemacs-beta
comparison src/s/msdos.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 08:45:50 +0200 |
| parents | |
| children | 0132846995bd |
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| -1:000000000000 | 0:376386a54a3c |
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| 1 /* System description file for MS-DOS | |
| 2 | |
| 3 Copyright (C) 1993 Free Software Foundation, Inc. | |
| 4 | |
| 5 This file is part of GNU Emacs. | |
| 6 | |
| 7 GNU Emacs is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 2, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 GNU Emacs is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: FSF 19.31. */ | |
| 23 | |
| 24 /* Note: lots of stuff here was taken from s-msdos.h in demacs. */ | |
| 25 | |
| 26 | |
| 27 /* | |
| 28 * Define symbols to identify the version of Unix this is. | |
| 29 * Define all the symbols that apply correctly. | |
| 30 */ | |
| 31 | |
| 32 /* #define UNIPLUS */ | |
| 33 /* #define USG5 */ | |
| 34 /* #define USG */ | |
| 35 /* #define HPUX */ | |
| 36 /* #define UMAX */ | |
| 37 /* #define BSD4_1 */ | |
| 38 /* #define BSD4_2 */ | |
| 39 /* #define BSD4_3 */ | |
| 40 /* #define BSD */ | |
| 41 /* #define VMS */ | |
| 42 #ifndef MSDOS | |
| 43 #define MSDOS | |
| 44 #endif | |
| 45 | |
| 46 #ifdef __GO32__ | |
| 47 #ifndef __DJGPP__ | |
| 48 #define __DJGPP__ 1 /* V2 defines __DJGPP__ == 2 */ | |
| 49 #endif | |
| 50 #else | |
| 51 You lose; /* Emacs for DOS must be compiled with DJGPP */ | |
| 52 #endif | |
| 53 | |
| 54 #define DOS_NT /* MSDOS or WINDOWSNT */ | |
| 55 #undef BSD | |
| 56 #undef VMS | |
| 57 | |
| 58 /* SYSTEM_TYPE should indicate the kind of system you are using. | |
| 59 It sets the Lisp variable system-type. */ | |
| 60 | |
| 61 #define SYSTEM_TYPE "ms-dos" | |
| 62 | |
| 63 #define SYMS_SYSTEM syms_of_dosfns();syms_of_msdos() | |
| 64 | |
| 65 /* Letter to use in finding device name of first pty, | |
| 66 if system supports pty's. 'a' means it is /dev/ptya0 */ | |
| 67 | |
| 68 /* #define FIRST_PTY_LETTER 'a' */ | |
| 69 | |
| 70 /* | |
| 71 * Define HAVE_PTYS if the system supports pty devices. | |
| 72 */ | |
| 73 | |
| 74 /* #define HAVE_PTYS */ | |
| 75 | |
| 76 /* MSDOS has dirent.h but doesn't behave otherwise like the SYSV | |
| 77 directory functions. We have special tests for this in | |
| 78 sysdir.h. */ | |
| 79 | |
| 80 #undef SYSV_SYSTEM_DIR | |
| 81 | |
| 82 /* Define this is the compiler understands `volatile'. */ | |
| 83 #define HAVE_VOLATILE | |
| 84 | |
| 85 #define NO_SUBPROCESSES | |
| 86 | |
| 87 /* If your system uses COFF (Common Object File Format) then define the | |
| 88 preprocessor symbol "COFF". */ | |
| 89 | |
| 90 #define COFF | |
| 91 | |
| 92 /* define MAIL_USE_FLOCK if the mailer uses flock | |
| 93 to interlock access to /usr/spool/mail/$USER. | |
| 94 The alternative is that a lock file named | |
| 95 /usr/spool/mail/$USER.lock. */ | |
| 96 | |
| 97 /* #define MAIL_USE_FLOCK */ | |
| 98 | |
| 99 /* Here, on a separate page, add any special hacks needed | |
| 100 to make Emacs work on this system. For example, | |
| 101 you might define certain system call names that don't | |
| 102 exist on your system, or that do different things on | |
| 103 your system and must be used only through an encapsulation | |
| 104 (Which you should place, by convention, in sysdep.c). */ | |
| 105 | |
| 106 /* Avoid incompatibilities between gmalloc.c and system header files | |
| 107 in how to declare valloc. */ | |
| 108 #define GMALLOC_INHIBIT_VALLOC | |
| 109 | |
| 110 /* setjmp and longjmp can safely replace _setjmp and _longjmp, | |
| 111 but they will run slower. */ | |
| 112 | |
| 113 #define _setjmp setjmp | |
| 114 #define _longjmp longjmp | |
| 115 | |
| 116 #if __DJGPP__ < 2 | |
| 117 | |
| 118 #define NO_MODE_T | |
| 119 | |
| 120 /* New chdir () routine. | |
| 121 DJGPP v2.0 and later doesn't need it because its chdir() does | |
| 122 set the drive itself. */ | |
| 123 #ifdef chdir | |
| 124 #undef chdir | |
| 125 #endif | |
| 126 #define chdir sys_chdir | |
| 127 | |
| 128 #define LIBS_SYSTEM -lpc /* isn't required in DJGPP v2.0, either */ | |
| 129 | |
| 130 #endif /* __DJGPP__ < 2 */ | |
| 131 | |
| 132 #if __DJGPP__ > 1 | |
| 133 | |
| 134 #define DATA_START (&etext + 1) | |
| 135 #define TEXT_START &start | |
| 136 #define TEXT_END &etext | |
| 137 | |
| 138 #define _NAIVE_DOS_REGS | |
| 139 | |
| 140 #else /* not __DJGPP__ > 1 */ | |
| 141 | |
| 142 /* This somehow needs to be defined even though we use COFF. */ | |
| 143 #define TEXT_START -1 | |
| 144 | |
| 145 #endif /* not __DJGPP__ > 1 */ | |
| 146 | |
| 147 #define ORDINARY_LINK | |
| 148 | |
| 149 /* command.com does not understand `...` so we define this. */ | |
| 150 #define LIB_GCC -Lgcc | |
| 151 #define DONT_NEED_ENVIRON | |
| 152 #define SEPCHAR ';' | |
| 153 | |
| 154 #define NULL_DEVICE "nul" | |
| 155 #define EXEC_SUFFIXES ".exe:.com:.bat:" | |
| 156 | |
| 157 #if __DJGPP__ < 2 | |
| 158 #define O_RDONLY 0x0001 | |
| 159 #define O_WRONLY 0x0002 | |
| 160 #define O_RDWR 0x0004 | |
| 161 #define O_CREAT 0x0100 | |
| 162 #define O_TRUNC 0x0200 | |
| 163 #define O_EXCL 0x0400 | |
| 164 #define O_APPEND 0x0800 | |
| 165 #define O_TEXT 0x4000 | |
| 166 #define O_BINARY 0x8000 | |
| 167 #define NO_MATHERR | |
| 168 #endif | |
| 169 | |
| 170 #define HAVE_INVERSE_HYPERBOLIC | |
| 171 #define FLOAT_CHECK_DOMAIN | |
| 172 | |
| 173 /* When $TERM is "internal" then this is substituted: */ | |
| 174 #define INTERNAL_TERMINAL "pc|bios|IBM PC with colour display:\ | |
| 175 :co#80:li#25:km:ms:cm=<CM>:cl=<CL>:ce=<CE>:" | |
| 176 | |
| 177 /* Define this to a function (Fdowncase, Fupcase) if your file system | |
| 178 likes that */ | |
| 179 #define FILE_SYSTEM_CASE Fmsdos_downcase_filename | |
| 180 | |
| 181 /* Define this to be the separator between devices and paths */ | |
| 182 #define DEVICE_SEP ':' | |
| 183 | |
| 184 /* We'll support either convention on MSDOG. */ | |
| 185 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\') | |
| 186 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_)) | |
| 187 | |
| 188 /* Call init_gettimeofday when TZ changes. */ | |
| 189 #if __DJGPP__ < 2 | |
| 190 #define LOCALTIME_CACHE | |
| 191 #define tzset init_gettimeofday | |
| 192 #endif | |
| 193 | |
| 194 /* bcopy under djgpp is quite safe */ | |
| 195 #define GAP_USE_BCOPY | |
| 196 #define BCOPY_UPWARD_SAFE 1 | |
| 197 #define BCOPY_DOWNWARD_SAFE 1 | |
| 198 | |
| 199 /* Mode line description of a buffer's type. */ | |
| 200 #define MODE_LINE_BINARY_TEXT(buf) (NILP(buf->buffer_file_type) ? "T" : "B") | |
| 201 | |
| 202 /* Do we have POSIX signals? */ | |
| 203 #if __DJGPP__ > 1 | |
| 204 #define POSIX_SIGNALS | |
| 205 #endif | |
| 206 | |
| 207 /* We have (the code to control) a mouse. */ | |
| 208 #define HAVE_MOUSE | |
| 209 | |
| 210 /* We canuse mouse menus. */ | |
| 211 #define HAVE_MENUS | |
| 212 | |
| 213 /* We have support for faces. */ | |
| 214 #define HAVE_FACES | |
| 215 | |
| 216 /* Define one of these for easier conditionals. */ | |
| 217 #ifdef HAVE_X_WINDOWS | |
| 218 /* We need a little extra space, see ../../lisp/loadup.el */ | |
| 219 #define SYSTEM_PURESIZE_EXTRA 15000 | |
| 220 #define HAVE_X11R5 | |
| 221 #define LIBX11_SYSTEM -lxext -lsys | |
| 222 #else | |
| 223 /* We need a little extra space, see ../../lisp/loadup.el */ | |
| 224 #define SYSTEM_PURESIZE_EXTRA 85000 | |
| 225 #endif |