276 lines
6.9 KiB
C
276 lines
6.9 KiB
C
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/* Copyright (C) 1999 DJ Delorie, see COPYING.DJ for details */
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/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
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/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
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#ifndef __dj_include_dos_h_
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#define __dj_include_dos_h_
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#ifndef __dj_ENFORCE_ANSI_FREESTANDING
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#ifndef __STRICT_ANSI__
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#ifndef _POSIX_SOURCE
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#include <pc.h>
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int _detect_80387(void);
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struct DWORDREGS {
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unsigned long edi;
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unsigned long esi;
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unsigned long ebp;
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unsigned long cflag;
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unsigned long ebx;
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unsigned long edx;
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unsigned long ecx;
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unsigned long eax;
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unsigned short eflags;
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};
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struct DWORDREGS_W {
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unsigned long di;
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unsigned long si;
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unsigned long bp;
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unsigned long cflag;
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unsigned long bx;
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unsigned long dx;
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unsigned long cx;
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unsigned long ax;
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unsigned short flags;
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};
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struct WORDREGS {
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unsigned short di, _upper_di;
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unsigned short si, _upper_si;
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unsigned short bp, _upper_bp;
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unsigned short cflag, _upper_cflag;
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unsigned short bx, _upper_bx;
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unsigned short dx, _upper_dx;
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unsigned short cx, _upper_cx;
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unsigned short ax, _upper_ax;
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unsigned short flags;
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};
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struct BYTEREGS {
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unsigned short di, _upper_di;
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unsigned short si, _upper_si;
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unsigned short bp, _upper_bp;
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unsigned long cflag;
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unsigned char bl;
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unsigned char bh;
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unsigned short _upper_bx;
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unsigned char dl;
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unsigned char dh;
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unsigned short _upper_dx;
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unsigned char cl;
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unsigned char ch;
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unsigned short _upper_cx;
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unsigned char al;
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unsigned char ah;
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unsigned short _upper_ax;
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unsigned short flags;
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};
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union REGS { /* Compatible with DPMI structure, except cflag */
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struct DWORDREGS d;
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#ifdef _NAIVE_DOS_REGS
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struct WORDREGS x;
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#else
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#ifdef _BORLAND_DOS_REGS
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struct DWORDREGS x;
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#else
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struct DWORDREGS_W x;
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#endif
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#endif
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struct WORDREGS w;
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struct BYTEREGS h;
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};
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struct SREGS {
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unsigned short es;
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unsigned short ds;
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unsigned short fs;
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unsigned short gs;
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unsigned short cs;
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unsigned short ss;
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};
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struct ftime {
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unsigned ft_tsec:5; /* 0-29, double to get real seconds */
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unsigned ft_min:6; /* 0-59 */
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unsigned ft_hour:5; /* 0-23 */
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unsigned ft_day:5; /* 1-31 */
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unsigned ft_month:4; /* 1-12 */
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unsigned ft_year:7; /* since 1980 */
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};
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struct date {
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short da_year;
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char da_day;
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char da_mon;
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};
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struct time {
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unsigned char ti_min;
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unsigned char ti_hour;
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unsigned char ti_hund;
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unsigned char ti_sec;
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};
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struct dfree {
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unsigned df_avail;
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unsigned df_total;
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unsigned df_bsec;
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unsigned df_sclus;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern unsigned short _osmajor, _osminor;
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extern const char * _os_flavor;
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extern int _doserrno;
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unsigned short _get_dos_version(int);
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int int86(int ivec, union REGS *in, union REGS *out);
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int int86x(int ivec, union REGS *in, union REGS *out, struct SREGS *seg);
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int intdos(union REGS *in, union REGS *out);
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int intdosx(union REGS *in, union REGS *out, struct SREGS *seg);
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int bdos(int func, unsigned dx, unsigned al);
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int bdosptr(int func, void *dx, unsigned al);
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#define bdosptr(a, b, c) bdos(a, (unsigned)(b), c)
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#define intdos(a, b) int86(0x21, a, b)
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#define intdosx(a, b, c) int86x(0x21, a, b, c)
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int getftime(int handle, struct ftime *ftimep);
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int setftime(int handle, struct ftime *ftimep);
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int getcbrk(void);
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int setcbrk(int new_value);
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void getdate(struct date *);
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/* void gettime(struct time *); */
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void setdate(struct date *);
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void settime(struct time *);
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void getdfree(unsigned char drive, struct dfree *ptr);
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void delay(unsigned msec);
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/* int _get_default_drive(void);
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void _fixpath(const char *, char *); */
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/*
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* For compatibility with other DOS C compilers.
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*/
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#define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */
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#define _A_RDONLY 0x01 /* Read only file */
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#define _A_HIDDEN 0x02 /* Hidden file */
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#define _A_SYSTEM 0x04 /* System file */
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#define _A_VOLID 0x08 /* Volume ID file */
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#define _A_SUBDIR 0x10 /* Subdirectory */
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#define _A_ARCH 0x20 /* Archive file */
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#define _enable enable
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#define _disable disable
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struct _dosdate_t {
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unsigned char day; /* 1-31 */
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unsigned char month; /* 1-12 */
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unsigned short year; /* 1980-2099 */
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unsigned char dayofweek; /* 0-6, 0=Sunday */
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};
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#define dosdate_t _dosdate_t
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struct _dostime_t {
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unsigned char hour; /* 0-23 */
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unsigned char minute; /* 0-59 */
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unsigned char second; /* 0-59 */
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unsigned char hsecond; /* 0-99 */
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};
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#define dostime_t _dostime_t
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#pragma pack(push,1)
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struct _find_t {
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char reserved[21];
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unsigned char attrib;
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unsigned short wr_time;
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unsigned short wr_date;
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unsigned long size;
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char name[256];
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};
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#pragma pack(pop)
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#define find_t _find_t
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struct _diskfree_t {
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unsigned short total_clusters;
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unsigned short avail_clusters;
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unsigned short sectors_per_cluster;
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unsigned short bytes_per_sector;
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};
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#define diskfree_t _diskfree_t
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struct _DOSERROR {
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int exterror;
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#ifdef __cplusplus
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char errclass;
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#else
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char class;
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#endif
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char action;
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char locus;
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};
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#define DOSERROR _DOSERROR
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unsigned int _dos_creat(const char *_filename, unsigned int _attr, int *_handle);
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unsigned int _dos_creatnew(const char *_filename, unsigned int _attr, int *_handle);
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unsigned int _dos_open(const char *_filename, unsigned int _mode, int *_handle);
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unsigned int _dos_write(int _handle, const void *_buffer, unsigned int _count, unsigned int *_result);
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unsigned int _dos_read(int _handle, void *_buffer, unsigned int _count, unsigned int *_result);
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unsigned int _dos_close(int _handle);
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unsigned int _dos_commit(int _handle);
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unsigned int _dos_findfirst(char *_name, unsigned int _attr, struct _find_t *_result);
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unsigned int _dos_findnext(struct _find_t *_result);
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void _dos_getdate(struct _dosdate_t *_date);
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unsigned int _dos_setdate(struct _dosdate_t *_date);
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void _dos_gettime(struct _dostime_t *_time);
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unsigned int _dos_settime(struct _dostime_t *_time);
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unsigned int _dos_getftime(int _handle, unsigned int *_p_date, unsigned int *_p_time);
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unsigned int _dos_setftime(int _handle, unsigned int _date, unsigned int _time);
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unsigned int _dos_getfileattr(const char *_filename, unsigned int *_p_attr);
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unsigned int _dos_setfileattr(const char *_filename, unsigned int _attr);
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void _dos_getdrive(unsigned int *_p_drive);
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void _dos_setdrive(unsigned int _drive, unsigned int *_p_drives);
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unsigned int _dos_getdiskfree(unsigned int _drive, struct _diskfree_t *_diskspace);
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int _dosexterr(struct _DOSERROR *_p_error);
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#define dosexterr(_ep) _dosexterr(_ep)
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#define int386(_i, _ir, _or) int86(_i, _ir, _or)
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#define int386x(_i, _ir, _or, _sr) int86x(_i, _ir, _or, _sr)
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_POSIX_SOURCE */
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#endif /* !__STRICT_ANSI__ */
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#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
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#ifndef __dj_ENFORCE_FUNCTION_CALLS
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#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
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#ifndef _USE_LFN
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#define _USE_LFN (1)
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#endif
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#endif /* !__dj_include_dos_h_ */
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