v4.0/src/CMD/FC/TOOLS.H

   1 /*
   2  *  tools.h - Header file for accessing TOOLS.LIB routines
   3  *  includes stdio.h and ctype.h
   4  *
   5  *   4/14/86  dl added U_* flags for upd return values
   6  *
   7  *      31-Jul-1986 mz  Add Connect definitions
   8  */
   9
  10 #define TRUE    -1
  11 #define FALSE   0
  12
  13 #if MSDOS
  14 #define     PSEPSTR "\\"
  15 #define     PSEPCHR '\\'
  16 #else
  17 #define     PSEPSTR "/"
  18 #define     PSEPCHR '/'
  19 #endif
  20
  21 typedef char flagType;
  22 typedef long ptrType;
  23
  24 #define SETFLAG(l,f)    ((l) |= (f))
  25 #define TESTFLAG(v,f)   (((v)&(f))!=0)
  26 #define RSETFLAG(l,f)   ((l) &= ~(f))
  27
  28 #define SHIFT(c,v)      {c--; v++;}
  29
  30 #define LOW(w)          ((int)(w)&0xFF)
  31 #define HIGH(w)         LOW((int)(w)>>8)
  32 #define WORD(h,l)       ((LOW((h))<<8)|LOW((l)))
  33 #define POINTER(seg,off) ((((long)(seg))<<4)+ (long)(off))
  34
  35 #define FNADDR(f)       (f)
  36
  37 #define SELECT          if(FALSE){
  38 #define CASE(x)         }else if((x)){
  39 #define OTHERWISE       }else{
  40 #define ENDSELECT       }
  41
  42 /* buffer description for findfirst and findnext */
  43
  44 struct findType {
  45     char reserved[21];                  /* reserved for start up             */
  46     char attr;                          /* attribute found                   */
  47     unsigned time;                      /* time of last modify               */
  48     unsigned date;                      /* date of last modify               */
  49     long length;                        /* file size                         */
  50     char name[13];                      /* asciz file name                   */
  51 };
  52
  53 /* attributes */
  54 #define A_RO    1                       /* read only                         */
  55 #define A_H     2                       /* hidden                            */
  56 #define A_S     4                       /* system                            */
  57 #define A_V     8                       /* volume id                         */
  58 #define A_D     16                      /* directory                         */
  59 #define A_A     32                      /* archive                           */
  60
  61 #define A_MOD   (A_RO+A_H+A_S+A_A)      /* changeable attributes             */
  62
  63 #define HASATTR(a,v)    TESTFLAG(a,v)   /* true if a has attribute v         */
  64
  65 extern char XLTab[], XUTab[];
  66
  67 #define MAXARG  128
  68 #define MAXPATHLEN  128
  69
  70 #include "ttypes.h"
  71
  72 struct vectorType {
  73     int max;                            /* max the vector can hold           */
  74     int count;                          /* count of elements in vector       */
  75     unsigned elem[1];                   /* elements in vector                */
  76 };
  77
  78 /* return flags for upd */
  79 #define U_DRIVE 0x8
  80 #define U_PATH  0x4
  81 #define U_NAME  0x2
  82 #define U_EXT   0x1
  83
  84 /*  Connect definitions */
  85
  86 #define REALDRIVE       0x8000
  87 #define ISTMPDRIVE(x)   (((x)&REALDRIVE)==0)
  88 #define TOKTODRV(x)     ((x)&~REALDRIVE)
  89
  90 /*  Heap Checking return codes */
  91
  92 #define HEAPOK           0
  93 #define HEAPBADBEGIN    -1
  94 #define HEAPBADNODE     -2