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EnigmA Amiga Run 1996 February
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EnigmA AMIGA RUN 04 (1996)(G.R. Edizioni)(IT)[!][issue 1996-02][Skylink CD III].iso
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earcd
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comm2
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xprz351s.lha
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XprZmodem.h
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C/C++ Source or Header
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1995-01-03
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14KB
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271 lines
/*
* xprzmodem.h: Definitions for xprzmodem.library and xprzedzap.library;
* Version 2.0, 28 October 1989, by Rick Huebner.
* Released to the Public Domain; do as you like with this code.
*
* Version 2.63, 30 July 1993 build in locale, by Rainer Hess
*
* Version 2.64, 3 Aug 1993 global variable Blocksize, now in
* struct Vars, by Rainer Hess
* Version 3.2 11 Nov 1994
* restored FTN support
* reduced modem output buffer for faster error receovery
* increased pktbuf size
* added NewBaud, link bps
* added booleans FTNmode, dzap, Nofiles, Smallblocks
* added options c,z,q,n
* added prototype for KPrintF when KDEBUG is true
* by Robert Williamson
*/
/* #define DEBUGLOG 1 */
/* Return codes */
#define OK 0
#define ERROR (-1)
#define TIMEOUT (-2)
#define RCDO (-3)
/* Relevant control characters */
#define CR ('M' & 0x1F) /* ^M */
#define DLE ('P' & 0x1F) /* ^P */
#define XON ('Q' & 0x1F) /* ^Q */
#define XOFF ('S' & 0x1F) /* ^S */
#define CAN ('X' & 0x1F) /* ^X */
#define CPMEOF ('Z' & 0x1F) /* ^Z */
/* Misc. program constants */
#define LZMANAG 0 /* Default ZMODEM file management mode */
#define LZTRANS 0 /* Default ZMODEM file transport mode */
#define PATHLEN 256 /* What's the max legal path size? */
#define CONFIGLEN 32 /* Max length of transfer options string */
#define KSIZE 8192 /* Max allowable packet size */
#define MINBLOCK 64 /* Min allowable packet size */
#define MAXGOODNEEDED 8192 /* Max # good bytes req'd to bump packet size */
#define MAXRXTO 600
#define MINRXTO 10
/* Provision for future 7-bit ZMODEM; for now, there's no difference */
#define sendline xsendline
/*
* Replacement for global variables normally used, in order to make code
* fully reentrant; each invocation allocs their own Vars, and passes the
* struct pointer down through the entire program so they're always available.
* Pointer to this struct is usually able to be a register variable, so access
* is no worse than any stack variable (all register-relative). Kinda
* kludgey, but the original ZModem code design depended on lots of globals,
* and I didn't want to redesign the whole damn thing. Besides, it's more
* efficient than constantly pushing & popping args all over the place.
*/
struct Vars
{
struct XPR_IO io; /* Copy of XProto IO struct passed by term prog. */
struct XPR_UPDATE __aligned xpru; /* Scratchpad xpr_update() control struct */
struct timeval __aligned Starttime; /* Time transfer started */
UBYTE __aligned Rxhdr[4]; /* Received header */
UBYTE Txhdr[4]; /* Transmitted header */
UBYTE Msgbuf[128]; /* Scratchpad buffer for printing messages */
UBYTE Filename[PATHLEN]; /* Name of the file being up/downloaded */
UBYTE Pktbuf[KSIZE]; /* File data packet buffer */
UBYTE Modembuf[KSIZE * 2 + 256]; /* Input buffer for data from modem */
UBYTE Outbuf[KSIZE * 2 + 256]; /* Output buffer for data to modem */
UBYTE *Modemchar; /* Next char to get from Modembuf */
UBYTE *Filebuf; /* File I/O buffer address */
UBYTE *Filebufptr; /* Current position within Filebuf */
long File; /* Handle of file being transferred */
long Oldstatus; /* Original terminal program's modem settings */
long Baud; /* BPS setting of modem */
long Strtpos; /* Starting byte position of transfer */
long Fsize; /* Size of file being transferred */
long Rxbytes; /* Number of bytes received so far */
long Filebufpos; /* File offset of data in Filebuf */
long Filebufmax; /* Size of Filebuf */
long Filebuflen; /* Number of bytes currently stored in Filebuf */
long Filebufcnt; /* Number of bytes remaining/written in Filebuf */
long Rxpos; /* Received file position */
long Txpos; /* Transmitted file position */
short Filcnt; /* Number of files opened for transmission */
short Errcnt; /* Number of files unreadable */
short Noroom; /* Flags 'insufficient disk space' errors */
short Rxbuflen; /* Largest frame they're willing to xfer */
short Tframlen; /* Largest frame we're willing to xfer */
short Rxtimeout; /* Tenths of seconds to wait for something */
short Tryzhdrtype; /* Header type to send corresp to Last rx close */
short Modemcount; /* Number of bytes available in Modembuf */
short Outbuflen; /* Number of bytes currently stored in Outbuf */
short Rxframeind; /* ZBIN or ZHEX; type of frame received */
short Txfcs32; /* TRUE means send binary frame with 32 bit FCS */
short Rxflags; /* Temp register */
short Wantfcs32; /* want to send 32 bit FCS */
short Crc32t; /* Display flag indicates 32 bit CRC being sent */
short Crc32; /* Display flag indicates 32 bit CRC being recd */
short Rxtype; /* Type of header received */
short Rxcount; /* Count of data bytes received */
short Znulls; /* Number of nulls to send at begin of ZDATA hdr */
short ErrorLimit; /* How many sequential errors before abort */
char Rxbinary; /* Force binary mode download? */
char Rxascii; /* Force text mode download? */
char Thisbinary; /* Receive this file in binary mode? */
char Lzconv; /* Suggested binary/text mode for uploads */
char Eofseen; /* Text-mode EOF marker (^Z) rec'd on download? */
UBYTE Zconv; /* ZMODEM file conversion request */
UBYTE Zmanag; /* ZMODEM file management request */
UBYTE Ztrans; /* ZMODEM file transport request */
UBYTE Lastsent; /* Last text char written by putsec() */
UBYTE Lastzsent; /* Last char sent by zsendline() */
UBYTE Fileflush; /* Flush file I/O buffer before closing? */
UBYTE Attn[ZATTNLEN + 1]; /* Attention string rx sends to tx on err */
long Ksize; /* Max allowable packet size for this session */
long NewBaud; /* BPS link rate passed in xpr options */
char FTNmode; /* change parameters for FTN operations */
char NoFiles; /* allow no file send for FTN operations */
char SmallBlocks; /* we are in pure zmodem 1024 bytes */
char dzap; /* escape only ZDLE/ZDLEE if true */
char NoMask; /* disable XPR 2.001/3 masks */
short StartTimeout;
};
/*
* Option settings and other variables needed outside of XProtocolSend/Receive;
* separated from rest of Vars so that huge Vars struct doesn't have to be
* allocated except during transfers. Pointer to this struct kept in xpr_data.
*/
struct SetupVars
{
UBYTE *matchptr, *bufpos;
short buflen;
UBYTE option_t[2], option_o[2], option_b[8], option_f[8], option_e[8], option_s[4];
UBYTE option_r[4], option_a[4], option_d[4], option_k[4], option_p[256], option_m[8];
UBYTE option_c[8], option_n[4], option_q[4], option_z[4], option_y[4], option_x[8];
};
/* Function prototypes */
long __saveds __asm XProtocolSend (register __a0 struct XPR_IO *xio);
short getzrxinit (struct Vars *v);
void sendbatch (struct Vars *v);
short sendone (struct Vars *v);
short sendname (struct Vars *v);
short zsendfile (struct Vars *v, short blen);
short zsendfdata (struct Vars *v);
short getinsync (struct Vars *v);
void saybibi (struct Vars *v);
long __saveds __asm XProtocolReceive (register __a0 struct XPR_IO *xio);
short rcvbatch (struct Vars *v);
short tryz (struct Vars *v);
short rzfiles (struct Vars *v);
short rzfile (struct Vars *v);
short procheader (struct Vars *v);
short putsec (struct Vars *v);
void ackbibi (struct Vars *v);
long __saveds __asm XProtocolSetup (register __a0 struct XPR_IO *xio);
long __saveds __asm XProtocolCleanup (register __a0 struct XPR_IO *xio);
long __saveds __asm XProtocolHostMon (
register __a0 struct XPR_IO *xio,
register __a1 char *serbuff,
register __d0 long actual,
register __d1 long maxsize);
long __saveds __asm XProtocolUserMon (
register __a0 struct XPR_IO *xio,
register __a1 char *serbuff,
register __d0 long actual,
register __d1 long maxsize);
struct Vars *setup (struct XPR_IO *io);
UBYTE *find_option (UBYTE * buf, UBYTE option);
void set_textmode (struct Vars *v);
void canit (struct Vars *v);
void zmputs (struct Vars *v, UBYTE * s);
void xsendline (struct Vars *v, UBYTE c);
void sendbuf (struct Vars *v);
short readock (struct Vars *v, short tenths);
char char_avail (struct Vars *v);
void update_rate (struct Vars *v);
long bfopen (struct Vars *v, UBYTE * mode);
/*void *bfopen (struct Vars *v, UBYTE * mode); ZEDZAP */
void bfclose (struct Vars *v);
void bfseek (struct Vars *v, long pos);
long bfread (struct Vars *v, UBYTE * buf, long length);
long bfwrite (struct Vars *v, UBYTE * buf, long length);
void ioerr (struct XPR_IO *io, char *msg);
void updstatus (struct Vars *v, char *filename, long status, long mask);
void upderr (struct Vars *v, char *msg, long mask);
void updmsg (struct Vars *v, char *msg, long mask);
long getfree (void);
char exist (struct Vars *v);
#ifdef DEBUGLOG
void dlog (struct Vars *v, UBYTE * s);
#define DEBUGINFO (xprsprintf(v->Msgbuf, "Source: %-10s Func: %-12s Line: %4ld\n",__FILE__,__FUNC__,__LINE__), dlog(v, v->Msgbuf))
#ifdef DEBUGLEVEL2
#define D(x) x
#else
#define D(x) ;
#endif
#endif
void zsbhdr (struct Vars *v, USHORT type);
void zshhdr (struct Vars *v, USHORT type);
void zsdata (struct Vars *v, short length, USHORT frameend);
short zrdata (struct Vars *v, UBYTE * buf, short length);
short zrdat32 (struct Vars *v, UBYTE * buf, short length);
short zgethdr (struct Vars *v);
short zrbhdr (struct Vars *v);
short zrbhdr32 (struct Vars *v);
short zrhhdr (struct Vars *v);
void zputhex (struct Vars *v, UBYTE c);
void zsendline (struct Vars *v, UBYTE c);
short zgethex (struct Vars *v);
short zdlread (struct Vars *v);
short noxrd7 (struct Vars *v);
void stohdr (struct Vars *v, long pos);
long rclhdr (struct Vars *v);
/* xprzmodem_timers.c */
extern ULONG UnixTimeOffset;
ULONG getsystime (struct timeval *tv);
void XprTimeOut(long ticks);
LONG xprsprintf (STRPTR buffer, STRPTR fmt,...);
extern STRPTR GetLocalString(struct LocaleInfo *, LONG);
#ifdef KDEBUG
void KPrintF(UBYTE *fmt,...);
#endif
/* callbacks */
/* callbacks.a is glue to call XPR callback functions in comm program from */
/* inside XPR library. This protects our registers from potential bugs in the */
/* comm program which might change them in unexpected ways. */
/* The prototypes put all arguments into the registers required by the XPR */
/* spec, so we don't have to move anything around. */
void * __asm xpr_fopen(register __a3 struct XPR_IO *io,register __a0 char *filename,register __a1 char *accessmode);
void __asm xpr_fclose(register __a3 struct XPR_IO *io,register __a0 void *fileptr);
long __asm xpr_fread(register __a3 struct XPR_IO *io,register __a0 char *buffer,register __d0 long size,register __d1 long count,register __a1 void *fileptr);
long __asm xpr_fwrite(register __a3 struct XPR_IO *io,register __a0 char *buffer,register __d0 long size,register __d1 long count,register __a1 void *fileptr);
long __asm xpr_sread(register __a3 struct XPR_IO *io,register __a0 char *buffer,register __d0 long size,register __d1 long timeout);
long __asm xpr_swrite(register __a3 struct XPR_IO *io,register __a0 char *buffer,register __d0 long size);
long __asm xpr_sflush(register __a3 struct XPR_IO *io);
void __asm xpr_update(register __a3 struct XPR_IO *io,register __a0 struct XPR_UPDATE *updatestruct);
long __asm xpr_chkabort(register __a3 struct XPR_IO *io);
long __asm xpr_chkmisc(register __a3 struct XPR_IO *io);
long __asm xpr_gets(register __a3 struct XPR_IO *io,register __a0 char *prompt,register __a1 char *buffer);
long __asm xpr_setserial(register __a3 struct XPR_IO *io,register __d0 long newstatus);
long __asm xpr_ffirst(register __a3 struct XPR_IO *io,register __a0 char *buffer,register __a1 char *pattern);
long __asm xpr_fnext(register __a3 struct XPR_IO *io,register __d0 long oldstate,register __a0 char *buffer,register __a1 char *pattern);
long __asm xpr_finfo(register __a3 struct XPR_IO *io,register __a0 char *filename,register __d0 long typeofinfo);
long __asm xpr_fseek(register __a3 struct XPR_IO *io,register __a0 void *fileptr,register __d0 long offset,register __d1 long origin);
long __asm xpr_options(register __a3 struct XPR_IO *io,register __d0 long n,register __a0 struct xpr_option **opt);
long __asm xpr_unlink(register __a3 struct XPR_IO *io,register __a0 char *filename);
long __asm xpr_squery(register __a3 struct XPR_IO *io);
long * __asm xpr_getptr(register __a3 struct XPR_IO *io,register __d0 long type);
/* End of XprZmodem.h source */