mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.1 KiB
92 lines
2.1 KiB
/*
|
|
** helpsys.h - Help system internal definitions
|
|
**
|
|
** Copyright <C> 1987, Microsoft Corporation
|
|
**
|
|
** Purpose:
|
|
** Contains definitions used within the help system.
|
|
**
|
|
** Revision History:
|
|
**
|
|
** 12-Mar-1990 CloseFile -> HelpCloseFile
|
|
** 22-Jan-1990 MAXFILES from 50 to 100
|
|
** [] 14-Dec-1987 Created
|
|
**
|
|
*/
|
|
|
|
/*
|
|
** definitions
|
|
*/
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
#ifndef TRUE
|
|
#define TRUE 1
|
|
#define FALSE 0
|
|
#endif
|
|
|
|
#define ASCII 1 /* build with ASCII support */
|
|
|
|
#define MAXBACK 20 /* max number of back-up's */
|
|
#define MAXFILES 100 /* max number of open helpfiles */
|
|
|
|
#define FTCOMPRESSED 0x01 /* 1=compressed, 0=ascii */
|
|
#define FTFORMATTED 0x02 /* 1=formatted, 0=unformatted */
|
|
#define FTMERGED 0x04 /* 1=merged index, 0=normal */
|
|
|
|
#define REGISTER register
|
|
|
|
#define HIGHONLY(l) ((ulong)l & 0xffff0000)
|
|
#define HIGH(l) ((ushort)(HIGHONLY(l) >> 16))
|
|
#define LOW(l) ((ushort)((ulong)l & 0xffff))
|
|
|
|
/*
|
|
** Forward declarations for client application call-back routines
|
|
*/
|
|
|
|
#if rjsa
|
|
#define HelpDealloc(sel) DosFreeSeg(sel)
|
|
#define HelpLock(sel) ((void *)((ulong)sel << 16))
|
|
#define HelpUnlock(sel)
|
|
#else
|
|
#define HelpDealloc(x) free(x)
|
|
#define HelpLock(x) (x)
|
|
#define HelpUnlock(x)
|
|
#endif
|
|
|
|
|
|
|
|
|
|
void pascal HelpCloseFile(FILE *);
|
|
mh pascal HelpAlloc(ushort);
|
|
FILE * pascal OpenFileOnPath(char *, int);
|
|
ulong pascal ReadHelpFile(FILE *, ulong, char *, ushort);
|
|
|
|
/*
|
|
** intlineattr
|
|
** internal representation of lineattributes
|
|
*/
|
|
typedef struct intlineattr { /* ILA */
|
|
uchar attr; /* attribute index */
|
|
uchar cb; /* count of bytes */
|
|
} intlineattr;
|
|
|
|
/******************************************************************************
|
|
**
|
|
** PB maniputalors
|
|
** Macros for locking and unlocking handle:offsets, as appropriate.
|
|
*/
|
|
#ifdef HOFFSET
|
|
#define PBLOCK(ho) (((char *)HelpLock(HIGH(ho))) + LOW(ho))
|
|
#define PBUNLOCK(ho) HelpUnlock(HIGH(ho))
|
|
#else
|
|
#define PBLOCK(ho) ((void *)ho)
|
|
#define PBUNLOCK(ho)
|
|
#endif
|
|
|
|
|
|
|
|
PCHAR pascal hlp_locate (SHORT ln, PCHAR pTopic);
|
|
|
|
|
|
FILE *pathopen (char *name, char *buf, char *mode);
|