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  1. /* Copyright (C) 1999 DJ Delorie, see COPYING.DJ for details */
  2. /* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
  3. /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
  4. #ifndef __dj_include_dos_h_
  5. #define __dj_include_dos_h_
  6.  
  7. #ifndef __dj_ENFORCE_ANSI_FREESTANDING
  8.  
  9. #ifndef __STRICT_ANSI__
  10.  
  11. #ifndef _POSIX_SOURCE
  12.  
  13. #include <pc.h>
  14.  
  15. int _detect_80387(void);
  16.  
  17. struct DWORDREGS {
  18.   unsigned long edi;
  19.   unsigned long esi;
  20.   unsigned long ebp;
  21.   unsigned long cflag;
  22.   unsigned long ebx;
  23.   unsigned long edx;
  24.   unsigned long ecx;
  25.   unsigned long eax;
  26.   unsigned short eflags;
  27. };
  28.  
  29. struct DWORDREGS_W {
  30.   unsigned long di;
  31.   unsigned long si;
  32.   unsigned long bp;
  33.   unsigned long cflag;
  34.   unsigned long bx;
  35.   unsigned long dx;
  36.   unsigned long cx;
  37.   unsigned long ax;
  38.   unsigned short flags;
  39. };
  40.  
  41. struct WORDREGS {
  42.   unsigned short di, _upper_di;
  43.   unsigned short si, _upper_si;
  44.   unsigned short bp, _upper_bp;
  45.   unsigned short cflag, _upper_cflag;
  46.   unsigned short bx, _upper_bx;
  47.   unsigned short dx, _upper_dx;
  48.   unsigned short cx, _upper_cx;
  49.   unsigned short ax, _upper_ax;
  50.   unsigned short flags;
  51. };
  52.  
  53. struct BYTEREGS {
  54.   unsigned short di, _upper_di;
  55.   unsigned short si, _upper_si;
  56.   unsigned short bp, _upper_bp;
  57.   unsigned long cflag;
  58.   unsigned char bl;
  59.   unsigned char bh;
  60.   unsigned short _upper_bx;
  61.   unsigned char dl;
  62.   unsigned char dh;
  63.   unsigned short _upper_dx;
  64.   unsigned char cl;
  65.   unsigned char ch;
  66.   unsigned short _upper_cx;
  67.   unsigned char al;
  68.   unsigned char ah;
  69.   unsigned short _upper_ax;
  70.   unsigned short flags;
  71. };
  72.  
  73. union REGS {            /* Compatible with DPMI structure, except cflag */
  74.   struct DWORDREGS d;
  75. #ifdef _NAIVE_DOS_REGS
  76.   struct WORDREGS x;
  77. #else
  78. #ifdef _BORLAND_DOS_REGS
  79.   struct DWORDREGS x;
  80. #else
  81.   struct DWORDREGS_W x;
  82. #endif
  83. #endif
  84.   struct WORDREGS w;
  85.   struct BYTEREGS h;
  86. };
  87.  
  88. struct SREGS {
  89.   unsigned short es;
  90.   unsigned short ds;
  91.   unsigned short fs;
  92.   unsigned short gs;
  93.   unsigned short cs;
  94.   unsigned short ss;
  95. };
  96.  
  97. struct ftime {
  98.   unsigned ft_tsec:5;   /* 0-29, double to get real seconds */
  99.   unsigned ft_min:6;    /* 0-59 */
  100.   unsigned ft_hour:5;   /* 0-23 */
  101.   unsigned ft_day:5;    /* 1-31 */
  102.   unsigned ft_month:4;  /* 1-12 */
  103.   unsigned ft_year:7;   /* since 1980 */
  104. };
  105.  
  106. struct date {
  107.   short da_year;
  108.   char  da_day;
  109.   char  da_mon;
  110. };
  111.  
  112. struct time {
  113.   unsigned char ti_min;
  114.   unsigned char ti_hour;
  115.   unsigned char ti_hund;
  116.   unsigned char ti_sec;
  117. };
  118.  
  119. struct dfree {
  120.   unsigned df_avail;
  121.   unsigned df_total;
  122.   unsigned df_bsec;
  123.   unsigned df_sclus;
  124. };
  125.  
  126. #ifdef __cplusplus
  127. extern "C" {
  128. #endif
  129.  
  130. extern unsigned short   _osmajor, _osminor;
  131. extern const    char  * _os_flavor;
  132. extern int              _doserrno;
  133.  
  134. unsigned short _get_dos_version(int);
  135.  
  136.  
  137. int int86(int ivec, union REGS *in, union REGS *out);
  138. int int86x(int ivec, union REGS *in, union REGS *out, struct SREGS *seg);
  139. int intdos(union REGS *in, union REGS *out);
  140. int intdosx(union REGS *in, union REGS *out, struct SREGS *seg);
  141. int bdos(int func, unsigned dx, unsigned al);
  142. int bdosptr(int func, void *dx, unsigned al);
  143.  
  144. #define bdosptr(a, b, c) bdos(a, (unsigned)(b), c)
  145. #define intdos(a, b) int86(0x21, a, b)
  146. #define intdosx(a, b, c) int86x(0x21, a, b, c)
  147.  
  148. int getftime(int handle, struct ftime *ftimep);
  149. int setftime(int handle, struct ftime *ftimep);
  150.  
  151. int getcbrk(void);
  152. int setcbrk(int new_value);
  153.  
  154. void getdate(struct date *);
  155. /* void gettime(struct time *); */
  156. void setdate(struct date *);
  157. void settime(struct time *);
  158.  
  159. void getdfree(unsigned char drive, struct dfree *ptr);
  160.  
  161. void delay(unsigned msec);
  162. /* int _get_default_drive(void);
  163. void _fixpath(const char *, char *); */
  164.  
  165.  
  166. /*
  167.  *  For compatibility with other DOS C compilers.
  168.  */
  169.  
  170. #define _A_NORMAL   0x00    /* Normal file - No read/write restrictions */
  171. #define _A_RDONLY   0x01    /* Read only file */
  172. #define _A_HIDDEN   0x02    /* Hidden file */
  173. #define _A_SYSTEM   0x04    /* System file */
  174. #define _A_VOLID    0x08    /* Volume ID file */
  175. #define _A_SUBDIR   0x10    /* Subdirectory */
  176. #define _A_ARCH     0x20    /* Archive file */
  177.  
  178. #define _enable   enable
  179. #define _disable  disable
  180.  
  181. struct _dosdate_t {
  182.   unsigned char  day;       /* 1-31 */
  183.   unsigned char  month;     /* 1-12 */
  184.   unsigned short year;      /* 1980-2099 */
  185.   unsigned char  dayofweek; /* 0-6, 0=Sunday */
  186. };
  187. #define dosdate_t _dosdate_t
  188.  
  189. struct _dostime_t {
  190.   unsigned char hour;     /* 0-23 */
  191.   unsigned char minute;   /* 0-59 */
  192.   unsigned char second;   /* 0-59 */
  193.   unsigned char hsecond;  /* 0-99 */
  194. };
  195. #define dostime_t _dostime_t
  196.  
  197. #pragma pack(push,1)
  198. struct _find_t {
  199.   char reserved[21];
  200.   unsigned char attrib;
  201.   unsigned short wr_time;
  202.   unsigned short wr_date;
  203.   unsigned long size;
  204.   char name[256];
  205. };
  206. #pragma pack(pop)
  207. #define find_t _find_t
  208.  
  209. struct _diskfree_t {
  210.   unsigned short total_clusters;
  211.   unsigned short avail_clusters;
  212.   unsigned short sectors_per_cluster;
  213.   unsigned short bytes_per_sector;
  214. };
  215. #define diskfree_t _diskfree_t
  216.  
  217. struct _DOSERROR {
  218.   int  exterror;
  219.   #ifdef __cplusplus
  220.   char errclass;
  221.   #else
  222.   char class;
  223.   #endif
  224.   char action;
  225.   char locus;
  226. };
  227. #define DOSERROR _DOSERROR
  228.  
  229. unsigned int   _dos_creat(const char *_filename, unsigned int _attr, int *_handle);
  230. unsigned int   _dos_creatnew(const char *_filename, unsigned int _attr, int *_handle);
  231. unsigned int   _dos_open(const char *_filename, unsigned int _mode, int *_handle);
  232. unsigned int   _dos_write(int _handle, const void *_buffer, unsigned int _count, unsigned int *_result);
  233. unsigned int   _dos_read(int _handle, void *_buffer, unsigned int _count, unsigned int *_result);
  234. unsigned int   _dos_close(int _handle);
  235. unsigned int   _dos_commit(int _handle);
  236.  
  237. unsigned int   _dos_findfirst(char *_name, unsigned int _attr, struct _find_t *_result);
  238. unsigned int   _dos_findnext(struct _find_t *_result);
  239.  
  240. void           _dos_getdate(struct _dosdate_t *_date);
  241. unsigned int   _dos_setdate(struct _dosdate_t *_date);
  242. void           _dos_gettime(struct _dostime_t *_time);
  243. unsigned int   _dos_settime(struct _dostime_t *_time);
  244.  
  245. unsigned int   _dos_getftime(int _handle, unsigned int *_p_date, unsigned int *_p_time);
  246. unsigned int   _dos_setftime(int _handle, unsigned int _date, unsigned int _time);
  247. unsigned int   _dos_getfileattr(const char *_filename, unsigned int *_p_attr);
  248. unsigned int   _dos_setfileattr(const char *_filename, unsigned int _attr);
  249.  
  250. void           _dos_getdrive(unsigned int *_p_drive);
  251. void           _dos_setdrive(unsigned int _drive, unsigned int *_p_drives);
  252. unsigned int   _dos_getdiskfree(unsigned int _drive, struct _diskfree_t *_diskspace);
  253.  
  254. int            _dosexterr(struct _DOSERROR *_p_error);
  255. #define dosexterr(_ep) _dosexterr(_ep)
  256.  
  257. #define int386(_i, _ir, _or)         int86(_i, _ir, _or)
  258. #define int386x(_i, _ir, _or, _sr)   int86x(_i, _ir, _or, _sr)
  259.  
  260. #ifdef __cplusplus
  261. }
  262. #endif
  263.  
  264. #endif /* !_POSIX_SOURCE */
  265. #endif /* !__STRICT_ANSI__ */
  266. #endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
  267.  
  268. #ifndef __dj_ENFORCE_FUNCTION_CALLS
  269. #endif /* !__dj_ENFORCE_FUNCTION_CALLS */
  270.  
  271. #ifndef _USE_LFN
  272. #define _USE_LFN                (1)
  273. #endif
  274.  
  275. #endif /* !__dj_include_dos_h_ */
  276.