sys/winnt/winnt.c

   1 /* aNetHack 0.0.1       winnt.c $ANH-Date: 1431737068 2015/05/16 00:44:28 $  $ANH-Branch: master $:$ANH-Revision: 1.26 $ */
   2 /* Copyright (c) aNetHack PC Development Team 1993, 1994 */
   3 /* aNetHack may be freely redistributed.  See license for details. */
   4
   5 /*
   6  *  WIN32 system functions.
   7  *
   8  *  Initial Creation: Michael Allison - January 31/93
   9  *
  10  */
  11
  12 #define NEED_VARARGS
  13 #include "hack.h"
  14 #include <dos.h>
  15 #ifndef __BORLANDC__
  16 #include <direct.h>
  17 #endif
  18 #include <ctype.h>
  19 #include "win32api.h"
  20 #include "wintty.h"
  21 #ifdef WIN32
  22
  23 /*
  24  * The following WIN32 API routines are used in this file.
  25  *
  26  * GetDiskFreeSpace
  27  * GetVolumeInformation
  28  * GetUserName
  29  * FindFirstFile
  30  * FindNextFile
  31  * FindClose
  32  *
  33  */
  34
  35 /* globals required within here */
  36 HANDLE ffhandle = (HANDLE) 0;
  37 WIN32_FIND_DATA ffd;
  38
  39 /* The function pointer nt_kbhit contains a kbhit() equivalent
  40  * which varies depending on which window port is active.
  41  * For the tty port it is tty_kbhit() [from nttty.c]
  42  * For the win32 port it is win32_kbhit() [from winmain.c]
  43  * It is initialized to point to def_kbhit [in here] for safety.
  44  */
  45
  46 int def_kbhit(void);
  47 int (*nt_kbhit)() = def_kbhit;
  48
  49 char
  50 switchar()
  51 {
  52     /* Could not locate a WIN32 API call for this- MJA */
  53     return '-';
  54 }
  55
  56 long
  57 freediskspace(path)
  58 char *path;
  59 {
  60     char tmppath[4];
  61     DWORD SectorsPerCluster = 0;
  62     DWORD BytesPerSector = 0;
  63     DWORD FreeClusters = 0;
  64     DWORD TotalClusters = 0;
  65
  66     tmppath[0] = *path;
  67     tmppath[1] = ':';
  68     tmppath[2] = '\\';
  69     tmppath[3] = '\0';
  70     GetDiskFreeSpace(tmppath, &SectorsPerCluster, &BytesPerSector,
  71                      &FreeClusters, &TotalClusters);
  72     return (long) (SectorsPerCluster * BytesPerSector * FreeClusters);
  73 }
  74
  75 /*
  76  * Functions to get filenames using wildcards
  77  */
  78 int
  79 findfirst(path)
  80 char *path;
  81 {
  82     if (ffhandle) {
  83         FindClose(ffhandle);
  84         ffhandle = (HANDLE) 0;
  85     }
  86     ffhandle = FindFirstFile(path, &ffd);
  87     return (ffhandle == INVALID_HANDLE_VALUE) ? 0 : 1;
  88 }
  89
  90 int
  91 findnext()
  92 {
  93     return FindNextFile(ffhandle, &ffd) ? 1 : 0;
  94 }
  95
  96 char *
  97 foundfile_buffer()
  98 {
  99     return &ffd.cFileName[0];
 100 }
 101
 102 long
 103 filesize(file)
 104 char *file;
 105 {
 106     if (findfirst(file)) {
 107         return ((long) ffd.nFileSizeLow);
 108     } else
 109         return -1L;
 110 }
 111
 112 /*
 113  * Chdrive() changes the default drive.
 114  */
 115 void
 116 chdrive(str)
 117 char *str;
 118 {
 119     char *ptr;
 120     char drive;
 121     if ((ptr = index(str, ':')) != (char *) 0) {
 122         drive = toupper((uchar) *(ptr - 1));
 123         _chdrive((drive - 'A') + 1);
 124     }
 125 }
 126
 127 static int
 128 max_filename()
 129 {
 130     DWORD maxflen;
 131     int status = 0;
 132
 133     status = GetVolumeInformation((LPTSTR) 0, (LPTSTR) 0, 0, (LPDWORD) 0,
 134                                   &maxflen, (LPDWORD) 0, (LPTSTR) 0, 0);
 135     if (status)
 136         return maxflen;
 137     else
 138         return 0;
 139 }
 140
 141 int
 142 def_kbhit()
 143 {
 144     return 0;
 145 }
 146
 147 /*
 148  * Strip out troublesome file system characters.
 149  */
 150
 151 void nt_regularize(s) /* normalize file name */
 152 register char *s;
 153 {
 154     register unsigned char *lp;
 155
 156     for (lp = s; *lp; lp++)
 157         if (*lp == '?' || *lp == '"' || *lp == '\\' || *lp == '/'
 158             || *lp == '>' || *lp == '<' || *lp == '*' || *lp == '|'
 159             || *lp == ':' || (*lp > 127))
 160             *lp = '_';
 161 }
 162
 163 /*
 164  * This is used in nhlan.c to implement some of the LAN_FEATURES.
 165  */
 166 char *
 167 get_username(lan_username_size)
 168 int *lan_username_size;
 169 {
 170     static TCHAR username_buffer[BUFSZ];
 171     unsigned int status;
 172     DWORD i = BUFSZ - 1;
 173
 174     /* i gets updated with actual size */
 175     status = GetUserName(username_buffer, &i);
 176     if (status)
 177         username_buffer[i] = '\0';
 178     else
 179         Strcpy(username_buffer, "aNetHack");
 180     if (lan_username_size)
 181         *lan_username_size = strlen(username_buffer);
 182     return username_buffer;
 183 }
 184
 185 #if 0
 186 char *getxxx()
 187 {
 188 char     szFullPath[MAX_PATH] = "";
 189 HMODULE  hInst = NULL;          /* NULL gets the filename of this module */
 190
 191 GetModuleFileName(hInst, szFullPath, sizeof(szFullPath));
 192 return &szFullPath[0];
 193 }
 194 #endif
 195
 196 /* fatal error */
 197 /*VARARGS1*/
 198 void error
 199 VA_DECL(const char *, s)
 200 {
 201     char buf[BUFSZ];
 202     VA_START(s);
 203     VA_INIT(s, const char *);
 204     /* error() may get called before tty is initialized */
 205     if (iflags.window_inited)
 206         end_screen();
 207     if (!strncmpi(windowprocs.name, "tty", 3)) {
 208         buf[0] = '\n';
 209         (void) vsprintf(&buf[1], s, VA_ARGS);
 210         Strcat(buf, "\n");
 211         msmsg(buf);
 212     } else {
 213         (void) vsprintf(buf, s, VA_ARGS);
 214         Strcat(buf, "\n");
 215         raw_printf(buf);
 216     }
 217     VA_END();
 218     exit(EXIT_FAILURE);
 219 }
 220
 221 void
 222 Delay(int ms)
 223 {
 224     (void) Sleep(ms);
 225 }
 226
 227 extern void NDECL(backsp);
 228
 229 void
 230 win32_abort()
 231 {
 232     if (wizard) {
 233         int c, ci, ct;
 234
 235         if (!iflags.window_inited)
 236             c = 'n';
 237         ct = 0;
 238         msmsg("Execute debug breakpoint wizard?");
 239         while ((ci = nhgetch()) != '\n') {
 240             if (ct > 0) {
 241                 backsp(); /* \b is visible on NT */
 242                 (void) putchar(' ');
 243                 backsp();
 244                 ct = 0;
 245                 c = 'n';
 246             }
 247             if (ci == 'y' || ci == 'n' || ci == 'Y' || ci == 'N') {
 248                 ct = 1;
 249                 c = ci;
 250                 msmsg("%c", c);
 251             }
 252         }
 253         if (c == 'y')
 254             DebugBreak();
 255     }
 256     abort();
 257 }
 258
 259 static char interjection_buf[INTERJECTION_TYPES][1024];
 260 static int interjection[INTERJECTION_TYPES];
 261
 262 void
 263 interject_assistance(num, interjection_type, ptr1, ptr2)
 264 int num;
 265 int interjection_type;
 266 genericptr_t ptr1;
 267 genericptr_t ptr2;
 268 {
 269     switch (num) {
 270     case 1: {
 271         char *panicmsg = (char *) ptr1;
 272         char *datadir = (char *) ptr2;
 273         char *tempdir = nh_getenv("TEMP");
 274         interjection_type = INTERJECT_PANIC;
 275         interjection[INTERJECT_PANIC] = 1;
 276         /*
 277          * ptr1 = the panic message about to be delivered.
 278          * ptr2 = the directory prefix of the dungeon file
 279          *        that failed to open.
 280          * Check to see if datadir matches tempdir or a
 281          * common windows temp location. If it does, inform
 282          * the user that they are probably trying to run the
 283          * game from within their unzip utility, so the required
 284          * files really don't exist at the location. Instruct
 285          * them to unpack them first.
 286          */
 287         if (panicmsg && datadir) {
 288             if (!strncmpi(datadir, "C:\\WINDOWS\\TEMP", 15)
 289                 || strstri(datadir, "TEMP")
 290                 || (tempdir && strstri(datadir, tempdir))) {
 291                 (void) strncpy(
 292                     interjection_buf[INTERJECT_PANIC],
 293                     "\nOne common cause of this error is attempting to "
 294                     "execute\n"
 295                     "the game by double-clicking on it while it is "
 296                     "displayed\n"
 297                     "inside an unzip utility.\n\n"
 298                     "You have to unzip the contents of the zip file into a\n"
 299                     "folder on your system, and then run \"aNetHack.exe\" or "
 300                     "\n"
 301                     "\"aNetHackW.exe\" from there.\n\n"
 302                     "If that is not the situation, you are encouraged to\n"
 303                     "report the error as shown above.\n\n",
 304                     1023);
 305             }
 306         }
 307     } break;
 308     }
 309 }
 310
 311 void
 312 interject(interjection_type)
 313 int interjection_type;
 314 {
 315     if (interjection_type >= 0 && interjection_type < INTERJECTION_TYPES)
 316         msmsg(interjection_buf[interjection_type]);
 317 }
 318
 319 #ifdef RUNTIME_PORT_ID
 320 /*
 321  * _M_IX86 is Defined for x86 processors. This is not defined for x64
 322  * processors.
 323  * _M_X64  is Defined for x64 processors.
 324  * _M_IA64 is Defined for Itanium Processor Family 64-bit processors.
 325  * _WIN64  is Defined for applications for Win64.
 326  */
 327 #ifndef _M_IX86
 328 #ifdef _M_X64
 329 #define TARGET_PORT "(x64) "
 330 #endif
 331 #ifdef _M_IA64
 332 #define TARGET_PORT "(IA64) "
 333 #endif
 334 #endif
 335
 336 #ifndef TARGET_PORT
 337 #define TARGET_PORT "(x86) "
 338 #endif
 339
 340 void
 341 append_port_id(buf)
 342 char *buf;
 343 {
 344     char *portstr = TARGET_PORT;
 345     Sprintf(eos(buf), " %s", portstr);
 346 }
 347 #endif /* RUNTIME_PORT_ID */
 348
 349 #endif /* WIN32 */
 350
 351 /*winnt.c*/