v4.0/src/H/TYPES.H

   1
   2 /*  types.h - basic types
   3  */
   4
   5 #define NULL 0
   6 #define MAXPATHLEN 80           /* JOIN.C               */
   7 #define MAXARG 80               /* ERRTST.C             */
   8 #define CURDISK 0x19            /* ERRTST.C             */
   9 #define GETVERS 0x30            /* MAIN.C               */
  10 #define GETVARS 0x52            /* SYSVAR.C             */
  11 #define IOCTL9 0x4409           /* ERRTST.C             */
  12 #define SwitChr '/'             /* JOIN.C & SUBST.C     */
  13 #define PathChr '\\'            /* SUBST.C              */
  14 #define COLON   ':'             /* ERRTST.C             */
  15 #define BACKSLASH '\\'          /* ERRTST.C             */
  16 #define ASCNULL '\0'            /* ERRTST.C             */
  17
  18
  19 #define     IBMSPACE(c) ((c)==','||(c)==';'||(c)=='='||(c)==0x08||(c)==0x0a)
  20 #define     IBMBREAK(c) ((c) == '/' || CMDSPACE((c)))
  21 #define     CMDBREAK(c) IBMBREAK((c))
  22 #define     CMDSPACE(c) (isspace((c)) || IBMSPACE((c)))
  23
  24 #define         SHIFT(c,v)      {c--; v++;}
  25
  26 /*  The following structure is a UNIX file block that retains information
  27  *  about a file being accessed via the level 1 I/O functions.
  28  */
  29
  30 struct UFB
  31 {
  32         char    ufbflg ;                /* flags                           */
  33         char    ufbtyp ;                /* device type                     */
  34         int     ufbfh ;                 /* file handle                     */
  35 };
  36
  37 #define NUFBS 20                        /* number of UFBs defined          */
  38
  39 /*  UFB.ufbflg definitions      */
  40
  41 #define UFB_OP 0x80                     /* file is open                    */
  42 #define UFB_RA 0x40                     /* reading is allowed              */
  43 #define UFB_WA 0x20                     /* writing is allowed              */
  44 #define UFB_NT 0x10                     /* access file with no translation */
  45 #define UFB_AP 8                        /* append mode flag                */
  46
  47 /*  UFB.ufbtyp definitions      */
  48
  49 #define D_DISK 0
  50 #define D_CON 1
  51 #define D_PRN 2
  52 #define D_AUX 3
  53 #define D_NULL 4
  54
  55 #define TRUE    -1
  56 #define FALSE   0
  57
  58 #define SETFLAG(l,f)    ((l) |= (f))
  59 #define TESTFLAG(v,f)   (((v)&(f))!=0)
  60 #define RSETFLAG(l,f)   ((l) &= ~(f))
  61
  62 #define LOW(w)          ((w)&0xFF)
  63 #define HIGH(w)         LOW((w)>>8)
  64 #define WORD(h,l)       ((LOW((h))<<8)|LOW((l)))
  65
  66 /* buffer description for findfirst and findnext */
  67
  68 struct findType {
  69     char reserved[21];                  /* reserved for start up */
  70     char attr;                          /* attribute found */
  71     unsigned int time;                  /* time of last modify */
  72     unsigned int date;                  /* date of last modify */
  73     long length;                        /* file size */
  74     char name[13];                      /* asciz file name */
  75 };
  76
  77 /* attributes */
  78 #define A_RO    1                       /* read only */
  79 #define A_H     2                       /* hidden */
  80 #define A_S     4                       /* system */
  81 #define A_V     8                       /* volume id */
  82 #define A_D     16                      /* directory */
  83 #define A_A     32                      /* archive */
  84
  85 #define A_MOD   (A_RO+A_H+A_S+A_A)      /* changeable attributes */
  86
  87 #define HASATTR(a,v)    TESTFLAG(a,v)   /* true if a has attribute v */