wht@tridom.uucp (Warren Tucker) (10/11/89)
---- Cut Here and unpack ---- #!/bin/sh # this is part 29 of a multipart archive # do not concatenate these parts, unpack them in order with /bin/sh # file z/zcurses.c continued # CurArch=29 if test ! -r s2_seq_.tmp then echo "Please unpack part 1 first!" exit 1; fi ( read Scheck if test "$Scheck" != $CurArch then echo "Please unpack part $Scheck next!" exit 1; else exit 0; fi ) < s2_seq_.tmp || exit 1 echo "x - Continuing file z/zcurses.c" sed 's/^X//' << 'SHAR_EOF' >> z/zcurses.c Xchar s50[50]; X X if(log_packets) X { X write(log_packets,"file: ",6); X write(log_packets,filename,strlen(filename)); X write(log_packets,"\n",1); X } X X /* filename */ X if(strlen(filename) > 38) X { X strncpy(s50,filename,38); X s50[39] = 0; X cptr = s50; X } X else X cptr = filename; X X clear_area(win,2,20,38); X waddstr(win,cptr); X X /* file number */ X clear_area(win,2,8,3); X sprintf(s50,"%3d",Filcnt); /* rz uses as file number 1-n */ X waddstr(win,s50); X X/* if remote sender provides a file count, display it */ X if(npats) X { X clear_area(win,2,12,7); /* clear "of ###" */ X sprintf(s50,"of %3d:",npats); X waddstr(win,s50); X } X X /* length */ X report_file_open_length(length); X X /* mode */ X report_file_open_mode(file_mode); X X /* time of start of this file */ X report_file_open_tod(); X X this_file_errors = 0; X report_error_count(); X} /* end of report_file_rcv_started */ X X/*+------------------------------------------------------------------------- X report_file_close() X--------------------------------------------------------------------------*/ Xvoid report_file_close() X{ X report_str("End of file",0); X wrefresh(win); X X} /* end of report_file_close */ X X/*+------------------------------------------------------------------------- X report_comm_baud_rate(baud_rate) X X baud rate: row 7 col 14 length 5 X--------------------------------------------------------------------------*/ Xreport_comm_baud_rate(baud_rate) Xunsigned int baud_rate; X{ X char tstr8[8]; X X clear_area(win,7,14,5); X if(baud_rate == 0) X waddstr(win,"?"); X else X X { X sprintf(tstr8,"%5u",baud_rate); X waddstr(win,tstr8); X } X wrefresh(win); X X} /* end of report_comm_baud_rate */ X X/*+------------------------------------------------------------------------- X report_file_byte_io(count) X--------------------------------------------------------------------------*/ Xreport_file_byte_io(count) Xlong count; X{ X X total_data_chars_xfered += (long)count; X if(total_data_chars_xfered) X { X sprintf(s128,"Total file bytes transferred: %lu", X total_data_chars_xfered); X report_str(s128,-1); X } X X} /* end of report_file_byte_io */ X X/* end of zcurses.c */ X/* vi: set tabstop=4 shiftwidth=4: */ SHAR_EOF echo "File z/zcurses.c is complete" chmod 0644 z/zcurses.c || echo "restore of z/zcurses.c fails" echo "x - extracting z/zdebug.c (Text)" sed 's/^X//' << 'SHAR_EOF' > z/zdebug.c && X/* CHK=0x7C8C */ X/* see zcurses.c report_lasthdr() */ X/*+:EDITS:*/ X/*:07-03-1989-22:58-wht------------- ecu 2.00 ---------------- */ X/*:06-24-1989-16:51-wht-flush edits --- ecu 1.95 */ Xint header_debug = 0; X/* vi: set tabstop=4 shiftwidth=4: */ SHAR_EOF chmod 0644 z/zdebug.c || echo "restore of z/zdebug.c fails" echo "x - extracting z/zmodem.h (Text)" sed 's/^X//' << 'SHAR_EOF' > z/zmodem.h && X/* CHK=0x3C02 */ X/*+------------------------------------------------------------------------- X zmodem.h -- common include filefor ecurz/ecusz X--------------------------------------------------------------------------*/ X/*+:EDITS:*/ X/*:07-03-1989-22:58-wht------------- ecu 2.00 ---------------- */ X/*:06-24-1989-16:51-wht-flush edits --- ecu 1.95 */ X X#if defined(pyr) X#include <sys/types.h> X#include <sys/stat.h> X#include <sgtty.h> X#define OS "BSD4.x" X#if defined(LLITOUT) X#include <strings.h> X#endif X#endif X X#if !defined(OS) X#if !defined(M_XENIX) X#define XENIX X#endif X#endif X X#if defined(M_XENIX) X#include <sys/types.h> X#include <sys/stat.h> X#include <termio.h> X#include <sys/ioctl.h> X#define OS "SYS III/V" X#define MODE2OK X#include <string.h> X#endif X X#if defined(pyr) X#if defined(TIOCSBRK) X#define CANBREAK X#endif X#endif X#if defined(M_XENIX) X#define CANBREAK X#endif X X#if !defined(READCHECK) X#if defined(FIONREAD) X#define READCHECK X#endif X#if defined(SV) X#define READCHECK X#endif X#endif X X#define ACK 6 X#define CAN ('X'&037) X#define CPMEOF 032 X#define ENQ 005 X#define EOT 4 X#define ERROR (-1) X#define ERRORMAX 5 X#define FALSE 0 X#define NAK 025 X#define OK 0 X#define PATHLEN 257 /* ready for 4.2 bsd ? */ X#define RCDO (-3) X#define SOH 1 X#define STX 2 X#define TIMEOUT (-2) X#define TRUE 1 X#define UNIXFILE 0xF000 /* The S_IFMT file mask bit for stat */ X#define WANTCRC 0103 /* send C not NAK to get crc not checksum */ X X#define WANTG 0107 /* Send G not NAK to get nonstop batch xmsn */ X#define WCEOT (-10) X#define XOFF ('s'&037) X#define XON ('q'&037) X X/* X * updcrc macro derived from article Copyright (C) 1986 Stephen Satchell. X * NOTE: First argument must be in range 0 to 255. X * Second argument is referenced twice. X * X * Programmers may incorporate any or all code into their programs, X * giving proper credit within the source. Publication of the X * source routines is permitted so long as proper credit is given X * to Stephen Satchell, Satchell Evaluations and Chuck Forsberg, X * Omen Technology. X */ X X#define updcrc(cp, crc) ( crctab[((crc >> 8) & 255)] ^ (crc << 8) ^ (cp)) X#define UPDC32(b, c) (cr3tab[((int)c ^ b) & 0xff] ^ ((c >> 8) & 0x00FFFFFF)) X X X#define ZPAD '*' /* 052 Padding character begins frames */ X#define ZDLE 030 /* Ctrl-X Zmodem escape - `ala BISYNC DLE */ X#define ZDLEE (ZDLE^0100) /* Escaped ZDLE as transmitted */ X#define ZBIN 'A' /* Binary frame indicator */ X#define ZHEX 'B' /* HEX frame indicator */ X#define ZBIN32 'C' /* Binary frame with 32 bit FCS */ X X/* Frame types (see array "frametypes" in zm.c) */ X#define ZRQINIT 0 /* Request receive init */ X#define ZRINIT 1 /* Receive init */ X#define ZSINIT 2 /* Send init sequence (optional) */ X#define ZACK 3 /* ACK to above */ X#define ZFILE 4 /* File name from sender */ X#define ZSKIP 5 /* To sender: skip this file */ X#define ZNAK 6 /* Last packet was garbled */ X#define ZABORT 7 /* Abort batch transfers */ X#define ZFIN 8 /* Finish session */ X#define ZRPOS 9 /* Resume data trans at this position */ X#define ZDATA 10 /* Data packet(s) follow */ X#define ZEOF 11 /* End of file */ X#define ZFERR 12 /* Fatal Read or Write error Detected */ X#define ZCRC 13 /* Request for file CRC and response */ X#define ZCHALLENGE 14 /* Receiver's Challenge */ X#define ZCOMPL 15 /* Request is complete */ X#define ZCAN 16 /* Other end canned session with CAN*5 */ X#define ZFREECNT 17 /* Request for free bytes on filesystem */ X#define ZCOMMAND 18 /* Command from sending program */ X#define ZSTDERR 19 /* Output to standard error, data follows */ X X/* ZDLE sequences */ X#define ZCRCE 'h' /* CRC next, frame ends, header packet follows */ X#define ZCRCG 'i' /* CRC next, frame continues nonstop */ X#define ZCRCQ 'j' /* CRC next, frame continues, ZACK expected */ X#define ZCRCW 'k' /* CRC next, ZACK expected, end of frame */ X#define ZRUB0 'l' /* Translate to rubout 0177 */ X#define ZRUB1 'm' /* Translate to rubout 0377 */ X X/* zdlread return values (internal) */ X/* -1 is general error, -2 is timeout */ X#define GOTOR 0400 X#define GOTCRCE (ZCRCE|GOTOR) /* ZDLE-ZCRCE received */ X#define GOTCRCG (ZCRCG|GOTOR) /* ZDLE-ZCRCG received */ X#define GOTCRCQ (ZCRCQ|GOTOR) /* ZDLE-ZCRCQ received */ X#define GOTCRCW (ZCRCW|GOTOR) /* ZDLE-ZCRCW received */ X#define GOTCAN (GOTOR|030) /* CAN*5 seen */ X X/* Byte positions within header array */ X#define ZF0 3 /* First flags byte */ X#define ZF1 2 X#define ZF2 1 X#define ZF3 0 X#define ZP0 0 /* Low order 8 bits of position */ X#define ZP1 1 X#define ZP2 2 X#define ZP3 3 /* High order 8 bits of file position */ X X/* Bit Masks for ZRINIT flags byte ZF0 */ X#define CANFDX 01 /* Rx can send and receive true FDX */ X#define CANOVIO 02 /* Rx can receive data during disk I/O */ X#define CANBRK 04 /* Rx can send a break signal */ X#define CANCRY 010 /* Receiver can decrypt */ X#define CANLZW 020 /* Receiver can uncompress */ X#define CANFC32 040 /* Receiver can use 32 bit Frame Check */ X#define ESCCTL 0100 /* Receiver expects ctl chars to be escaped */ X#define ESC8 0200 /* Receiver expects 8th bit to be escaped */ X X/* Parameters for ZSINIT frame */ X#define ZATTNLEN 32 /* Max length of attention string */ X/* Bit Masks for ZSINIT flags byte ZF0 */ X#define TESCCTL 0100 /* Transmitter expects ctl chars to be escaped */ X#define TESC8 0200 /* Transmitter expects 8th bit to be escaped */ X X/* Parameters for ZFILE frame */ X/* Conversion options one of these in ZF0 */ X#define ZCBIN 1 /* Binary transfer - inhibit conversion */ X#define ZCNL 2 /* Convert NL to local end of line convention */ X#define ZCRESUM 3 /* Resume interrupted file transfer */ X/* Management include options, one of these ored in ZF1 */ X#define ZMSKNOLOC 0200 /* Skip file if not present at rx */ X/* Management options, one of these ored in ZF1 */ X#define ZMMASK 037 /* Mask for the choices below */ X#define ZMNEWL 1 /* Transfer if source newer or longer */ X#define ZMCRC 2 /* Transfer if different file CRC or length */ X#define ZMAPND 3 /* Append contents to existing file (if any) */ X#define ZMCLOB 4 /* Replace existing file */ X#define ZMNEW 5 /* Transfer if source newer */ X /* Number 5 is alive ... */ X#define ZMDIFF 6 /* Transfer if dates or lengths different */ X#define ZMPROT 7 /* Protect destination file */ X/* Transport options, one of these in ZF2 */ X#define ZTLZW 1 /* Lempel-Ziv compression */ X#define ZTCRYPT 2 /* Encryption */ X#define ZTRLE 3 /* Run Length encoding */ X/* Extended options for ZF3, bit encoded */ X#define ZXSPARS 64 /* Encoding for sparse file operations */ X X/* Parameters for ZCOMMAND frame ZF0 (otherwise 0) */ X#define ZCACK1 1 /* Acknowledge, then do command */ X X/* FTOFFSET is offset for frametypes array in ecuzm.c */ X#define FTOFFSET 3 X Xlong rclhdr(); X X#include "zlint.h" X/* vi: set tabstop=4 shiftwidth=4: */ SHAR_EOF chmod 0644 z/zmodem.h || echo "restore of z/zmodem.h fails" echo "x - extracting z/zlint.h (Text)" sed 's/^X//' << 'SHAR_EOF' > z/zlint.h && X/* CHK=0x6C74 */ X/*+----------------------------------------------------------------------- X zlint.h X------------------------------------------------------------------------*/ X/*+:EDITS:*/ X/*:07-03-1989-22:58-wht------------- ecu 2.00 ---------------- */ X/*:06-27-1989-15:43-afterlint-creation */ X X#ifndef BUILDING_LINT_ARGS X#ifdef LINT_ARGS X X/* zcommon.c */ Xint mode(int ); Xint sendbrk(void); Xint zmputs(char *); Xvoid get_curr_dir(char *,int ); Xvoid get_home_dir(char *); Xstatic unsigned int getspeed(int ); X/* zcurses.c */ Xchar *get_elapsed_time(long ); Xchar *get_tod(int ,char *); Xchar *mode_map(unsigned short ,char *); Xint clear_area(struct _win_st *,int ,int ,int ); Xint clear_area_char(struct _win_st *,int ,int ,int ,char ); Xint report_comm_baud_rate(unsigned int ); Xint report_error_count(void); Xint report_file_byte_io(long ); Xint report_file_open_length(long ); Xint report_file_open_mode(unsigned short ); Xint report_file_rcv_started(char *,long ,long ,unsigned short ); Xint report_protocol_crc_type(char *); Xint report_protocol_type(char *); Xint report_rx_tx_count(void); Xint report_xfer_mode(char *); Xvoid report_file_close(void); Xvoid report_file_open_tod(void); Xvoid report_file_send_open(char *,struct stat *); Xvoid report_init(char *); Xvoid report_last_rxhdr(char *,int ); Xvoid report_last_txhdr(char *,int ); Xvoid report_mode(int ); Xvoid report_rx_ind(int ); Xvoid report_rxblklen(int ); Xvoid report_rxpos(long ); Xvoid report_str(char *,int ); Xvoid report_top_line(char *); Xvoid report_transaction(char *); Xvoid report_tx_ind(int ); Xvoid report_txblklen(int ); Xvoid report_txpos(long ); Xvoid report_uninit(int ); X/* zdebug.c */ X/* zmodem.c */ Xint noxrd7(void); Xint stohdr(long ); Xint zdlread(void); Xint zgeth1(void); Xint zgethdr(char *,int ); Xint zgethex(void); Xint zputhex(int ); Xint zrbhdr(char *); Xint zrbhdr32(char *); Xint zrdat32(char *,int ); Xint zrdata(char *,int ); Xint zrhhdr(char *); Xint zsbh32(char *,int ); Xint zsbhdr(int ,unsigned char *); Xint zsda32(char *,int ,int ); Xint zsdata(unsigned char *,int ,int ); Xint zsendline(int ); Xint zshhdr(int ,unsigned char *); Xlong rclhdr(char *); X X#else /* compiler doesn't know about prototyping */ X X/* zcommon.c */ Xvoid get_curr_dir(); Xvoid get_home_dir(); Xstatic unsigned int getspeed(); X/* zcurses.c */ Xchar *get_elapsed_time(); Xchar *get_tod(); Xchar *mode_map(); Xvoid report_file_close(); Xvoid report_file_open_tod(); Xvoid report_file_send_open(); Xvoid report_init(); Xvoid report_last_rxhdr(); Xvoid report_last_txhdr(); Xvoid report_mode(); Xvoid report_rx_ind(); Xvoid report_rxblklen(); Xvoid report_rxpos(); Xvoid report_str(); Xvoid report_top_line(); Xvoid report_transaction(); Xvoid report_tx_ind(); Xvoid report_txblklen(); Xvoid report_txpos(); Xvoid report_uninit(); X/* zdebug.c */ X/* zmodem.c */ Xlong rclhdr(); X X#endif /* LINT_ARGS */ X#endif /* BUILDING_LINT_ARGS */ X X/* end of zlint.h */ SHAR_EOF chmod 0644 z/zlint.h || echo "restore of z/zlint.h fails" echo "x - extracting z/zcommon.c (Text)" sed 's/^X//' << 'SHAR_EOF' > z/zcommon.c && X/* CHK=0xF3D6 */ X/*+------------------------------------------------------------------------- X zcommon.c - ecurz/ecusz common code X derived from public domain code by Chuck Forsburg X ecu adaptation Copyright 1989 Warren H. Tucker, III. All Rights Reserved X X Defined functions: X cancel_transaction(0) X get_curr_dir(currdir,currdir_max) X get_home_dir(home_dir) X getspeed(code) X mode(new_mode) X rdchk(f) X rdchk(f) X sendbrk() X zmputs(str) X X--------------------------------------------------------------------------*/ X/*+:EDITS:*/ X/*:07-03-1989-22:58-wht------------- ecu 2.00 ---------------- */ X/*:06-24-1989-16:51-wht-flush edits --- ecu 1.95 */ X X#include <stdio.h> X#include <signal.h> X#include <setjmp.h> X#include <ctype.h> X#include "zmodem.h" X Xextern unsigned char vmin_count; Xextern int Zmodem; Xextern unsigned Baudrate; Xextern int Twostop; /* Use two stop bits */ X X#if defined(LLITOUT) Xlong Locmode; /* Saved "local mode" for 4.x BSD "new driver" */ Xlong Locbit = LLITOUT; /* Bit SUPPOSED to disable output translations */ X#endif X Xstruct X{ X unsigned baudr; X int speedcode; X} speeds[] = X{ X 110, B110, X 300, B300, X 600, B600, X 1200, B1200, X 2400, B2400, X 4800, B4800, X 9600, B9600, X 19200, EXTA, X 38400, EXTB, X 0, X}; X X/* crctab calculated by Mark G. Mendel,Network Systems Corporation */ Xunsigned short crctab[256] = X{ X 0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7, X 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef, X 0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6, X 0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de, X 0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485, X 0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d, X 0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4, X 0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc, X 0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823, X 0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b, X 0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12, X 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a, X 0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41, X 0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49, X 0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70, X 0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78, X 0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f, X 0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067, X 0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e, X 0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256, X 0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d, X 0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405, X 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c, X 0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634, X 0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab, X 0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3, X 0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a, X 0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92, X 0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9, X 0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1, X 0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8, X 0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0 X}; X X#if defined(WANT_UPDCRC_HERE) /* wht -- moved to zmodem.h */ X/* X * updcrc macro derived from article Copyright (C) 1986 Stephen Satchell. X * NOTE: First srgument must be in range 0 to 255. X * Second argument is referenced twice. X * X * Programmers may incorporate any or all code into their programs, X * giving proper credit within the source. Publication of the X * source routines is permitted so long as proper credit is given X * to Stephen Satchell, Satchell Evaluations and Chuck Forsberg, X * Omen Technology. X */ X X#define updcrc(cp,crc) ( crctab[((crc >> 8) & 255)] ^ (crc << 8) ^ cp) X#endif X X/* X First,the polynomial itself and its table of feedback terms. The X polynomial is: X X X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 X X Note that we take it "backwards" and put the highest-order term in the X lowest-order bit. The X^32 term is "implied"; the LSB is the X^31 X term,etc. The X^0 term (usually shown as "+1") results in the MSB being X 1. Note that the usual hardware shift register implementation,which is X what we're using (we're merely optimizing it by doing eight-bit chunks at X a time) shifts bits into the lowest-order term. In our X implementation,that means shifting towards the right. Why do we do it X this way? Because the calculated CRC must be transmitted in order from X highest-order term to lowest-order term. UARTs transmit characters in X order from LSB to MSB. By storing the CRC this way, we hand it to the X UART in the order low-byte to high-byte; the UART sends each low-bit to X hight-bit; and the result is transmission bit by bit from highest- to X lowest-order term without requiring any bit shuffling on our part. X Reception works similarly. X X The feedback terms table consists of 256 32-bit entries. Notes: X X The macro for using the table is UPDC32 is located in zmodem.h X X It might not be obvious,but the feedback terms simply represent the X results of eight shift/xor opera- tions for all combinations of data X and CRC register values. X X The values must be right-shifted by eight bits by the "UPDC32" logic; X the shift must be unsigned (bring in zeroes). On some hardware you X could probably optimize the shift in assembler by using byte-swap X instructions. X*/ X Xlong cr3tab[] = /* CRC polynomial 0xedb88320 */ X{ X 0x00000000,0x77073096,0xee0e612c,0x990951ba,0x076dc419,0x706af48f,0xe963a535,0x9e6495a3, X 0x0edb8832,0x79dcb8a4,0xe0d5e91e,0x97d2d988,0x09b64c2b,0x7eb17cbd,0xe7b82d07,0x90bf1d91, X 0x1db71064,0x6ab020f2,0xf3b97148,0x84be41de,0x1adad47d,0x6ddde4eb,0xf4d4b551,0x83d385c7, X 0x136c9856,0x646ba8c0,0xfd62f97a,0x8a65c9ec,0x14015c4f,0x63066cd9,0xfa0f3d63,0x8d080df5, X 0x3b6e20c8,0x4c69105e,0xd56041e4,0xa2677172,0x3c03e4d1,0x4b04d447,0xd20d85fd,0xa50ab56b, X 0x35b5a8fa,0x42b2986c,0xdbbbc9d6,0xacbcf940,0x32d86ce3,0x45df5c75,0xdcd60dcf,0xabd13d59, X 0x26d930ac,0x51de003a,0xc8d75180,0xbfd06116,0x21b4f4b5,0x56b3c423,0xcfba9599,0xb8bda50f, X 0x2802b89e,0x5f058808,0xc60cd9b2,0xb10be924,0x2f6f7c87,0x58684c11,0xc1611dab,0xb6662d3d, X 0x76dc4190,0x01db7106,0x98d220bc,0xefd5102a,0x71b18589,0x06b6b51f,0x9fbfe4a5,0xe8b8d433, X 0x7807c9a2,0x0f00f934,0x9609a88e,0xe10e9818,0x7f6a0dbb,0x086d3d2d,0x91646c97,0xe6635c01, X 0x6b6b51f4,0x1c6c6162,0x856530d8,0xf262004e,0x6c0695ed,0x1b01a57b,0x8208f4c1,0xf50fc457, X 0x65b0d9c6,0x12b7e950,0x8bbeb8ea,0xfcb9887c,0x62dd1ddf,0x15da2d49,0x8cd37cf3,0xfbd44c65, X 0x4db26158,0x3ab551ce,0xa3bc0074,0xd4bb30e2,0x4adfa541,0x3dd895d7,0xa4d1c46d,0xd3d6f4fb, X 0x4369e96a,0x346ed9fc,0xad678846,0xda60b8d0,0x44042d73,0x33031de5,0xaa0a4c5f,0xdd0d7cc9, X 0x5005713c,0x270241aa,0xbe0b1010,0xc90c2086,0x5768b525,0x206f85b3,0xb966d409,0xce61e49f, X 0x5edef90e,0x29d9c998,0xb0d09822,0xc7d7a8b4,0x59b33d17,0x2eb40d81,0xb7bd5c3b,0xc0ba6cad, X 0xedb88320,0x9abfb3b6,0x03b6e20c,0x74b1d29a,0xead54739,0x9dd277af,0x04db2615,0x73dc1683, X 0xe3630b12,0x94643b84,0x0d6d6a3e,0x7a6a5aa8,0xe40ecf0b,0x9309ff9d,0x0a00ae27,0x7d079eb1, X 0xf00f9344,0x8708a3d2,0x1e01f268,0x6906c2fe,0xf762575d,0x806567cb,0x196c3671,0x6e6b06e7, X 0xfed41b76,0x89d32be0,0x10da7a5a,0x67dd4acc,0xf9b9df6f,0x8ebeeff9,0x17b7be43,0x60b08ed5, X 0xd6d6a3e8,0xa1d1937e,0x38d8c2c4,0x4fdff252,0xd1bb67f1,0xa6bc5767,0x3fb506dd,0x48b2364b, X 0xd80d2bda,0xaf0a1b4c,0x36034af6,0x41047a60,0xdf60efc3,0xa867df55,0x316e8eef,0x4669be79, X 0xcb61b38c,0xbc66831a,0x256fd2a0,0x5268e236,0xcc0c7795,0xbb0b4703,0x220216b9,0x5505262f, X 0xc5ba3bbe,0xb2bd0b28,0x2bb45a92,0x5cb36a04,0xc2d7ffa7,0xb5d0cf31,0x2cd99e8b,0x5bdeae1d, X 0x9b64c2b0,0xec63f226,0x756aa39c,0x026d930a,0x9c0906a9,0xeb0e363f,0x72076785,0x05005713, X 0x95bf4a82,0xe2b87a14,0x7bb12bae,0x0cb61b38,0x92d28e9b,0xe5d5be0d,0x7cdcefb7,0x0bdbdf21, X 0x86d3d2d4,0xf1d4e242,0x68ddb3f8,0x1fda836e,0x81be16cd,0xf6b9265b,0x6fb077e1,0x18b74777, X 0x88085ae6,0xff0f6a70,0x66063bca,0x11010b5c,0x8f659eff,0xf862ae69,0x616bffd3,0x166ccf45, X 0xa00ae278,0xd70dd2ee,0x4e048354,0x3903b3c2,0xa7672661,0xd06016f7,0x4969474d,0x3e6e77db, X 0xaed16a4a,0xd9d65adc,0x40df0b66,0x37d83bf0,0xa9bcae53,0xdebb9ec5,0x47b2cf7f,0x30b5ffe9, X 0xbdbdf21c,0xcabac28a,0x53b39330,0x24b4a3a6,0xbad03605,0xcdd70693,0x54de5729,0x23d967bf, X 0xb3667a2e,0xc4614ab8,0x5d681b02,0x2a6f2b94,0xb40bbe37,0xc30c8ea1,0x5a05df1b,0x2d02ef8d X}; X X#if defined(FIONREAD) X/* X * Return non 0 iff something to read from io descriptor f X */ Xrdchk(f) X{ X static long lf; X X ioctl(f,FIONREAD,&lf); X return((int) lf); X} X#endif X X#if defined(SV) X#include <fcntl.h> X Xchar checked = '\0' ; X/* X * Nonblocking I/O is a bit different in System V,Release 2 X */ Xrdchk(f) X{ X int lf,savestat; X X savestat = fcntl(f,F_GETFL) ; X fcntl(f,F_SETFL,savestat | O_NDELAY) ; X lf = read(f,&checked,1) ; X fcntl(f,F_SETFL,savestat) ; X return(lf) ; X} X#endif X X Xstatic unsigned Xgetspeed(code) X{ X register n; X X for(n=0; speeds[n].baudr; ++n) X if(speeds[n].speedcode == code) X return(speeds[n].baudr); X return(38400); /* Assume fifo if ioctl failed */ X} X X X X#if defined(ICANON) Xstruct termio oldtty,tty; X#else Xstruct sgttyb oldtty,tty; Xstruct tchars oldtch,tch; X#endif X Xextern int iofd; /* File descriptor for ioctls & reads */ X X/* X * mode(n) X * 3: save old tty stat, set raw mode with flow control X * 2: set XON/XOFF for sb/sz with ZMODEM or YMODEM-g X * 1: save old tty stat, set raw mode X * 0: restore original tty mode X */ Xmode(new_mode) X{ X static did0 = FALSE; X report_mode(new_mode); X switch(new_mode) X { X#if defined(M_XENIX) X case 2: /* Un-raw mode used by sz,sb when -g detected */ X if(!did0) X (void) ioctl(iofd,TCGETA,&oldtty); X tty = oldtty; X X tty.c_iflag = BRKINT|IXON; X X tty.c_oflag = 0; /* Transparent output */ X X tty.c_cflag &= ~PARENB; /* Disable parity */ X tty.c_cflag |= CS8; /* Set character size = 8 */ X if(Twostop) X tty.c_cflag |= CSTOPB; /* Set two stop bits */ X X X#if defined(READCHECK) X tty.c_lflag = Zmodem ? 0 : ISIG; X tty.c_cc[VINTR] = Zmodem ? -1:030; /* Interrupt char */ X#else X tty.c_lflag = ISIG; X tty.c_cc[VINTR] = Zmodem ? 03:030; /* Interrupt char */ X#endif X tty.c_cc[VQUIT] = -1; /* Quit char */ X#if defined(NFGVMIN) X tty.c_cc[VMIN] = 1; X#else X tty.c_cc[VMIN] = 3; /* This many chars satisfies reads */ X#endif X tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */ X X (void) ioctl(iofd,TCSETAW,&tty); X did0 = TRUE; X return(OK); X case 1: X case 3: X if(!did0) X (void) ioctl(iofd,TCGETA,&oldtty); X tty = oldtty; X X tty.c_iflag = new_mode == 3 ? (IGNBRK | IXOFF) : IGNBRK; X X /* No echo,crlf mapping,INTR,QUIT,delays,no erase/kill */ X tty.c_lflag &= ~(ECHO | ICANON | ISIG); X X tty.c_oflag = 0; /* Transparent output */ X X tty.c_cflag &= ~PARENB; /* Same baud rate,disable parity */ X tty.c_cflag |= CS8; /* Set character size = 8 */ X if(Twostop) X tty.c_cflag |= CSTOPB; /* Set two stop bits */ X#if defined(NFGVMIN) X tty.c_cc[VMIN] = 1; /* This many chars satisfies reads */ X#else X tty.c_cc[VMIN] = vmin_count; /* This many chars satisfies reads */ X#endif X tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */ X (void) ioctl(iofd,TCSETAW,&tty); X did0 = TRUE; X Baudrate = getspeed(tty.c_cflag & CBAUD); X report_comm_baud_rate(Baudrate); X return(OK); X#endif X#if defined(pyr) X /* X * NOTE: this should transmit all 8 bits and at the same time X * respond to XOFF/XON flow control. If no FIONREAD or other X * READCHECK alternative,also must respond to INTRRUPT char X * This doesn't work with BSD4. It should work with LLITOUT, X * but LLITOUT was broken on the machine I tried it on. X */ X case 2: /* Un-raw mode used by sz,sb when -g detected */ X if(!did0) X { X ioctl(iofd,TIOCEXCL,0); X ioctl(iofd,TIOCGETP,&oldtty); X ioctl(iofd,TIOCGETC,&oldtch); X#if defined(LLITOUT) X ioctl(TIOCLGET,&Locmode); /* Get "local mode" */ X#endif X } X tty = oldtty; X tch = oldtch; X#if defined(READCHECK) X tch.t_intrc = Zmodem ? -1:030; /* Interrupt char */ X#else X tch.t_intrc = Zmodem ? 03:030; /* Interrupt char */ X#endif X tty.sg_flags |= (ODDP|EVENP|CBREAK); X tty.sg_flags &= ~(ALLDELAY|CRMOD|ECHO|LCASE); X ioctl(iofd,TIOCSETP,&tty); X ioctl(iofd,TIOCSETC,&tch); X#if defined(LLITOUT) X ioctl(TIOCLBIS,&Locbit); X#endif X/* un-raw doesn't work w/o lit out *//*wht code was 99 */ X cancel_transaction(0) X did0 = TRUE; X return(OK); X case 1: X case 3: X if(!did0) X { X ioctl(iofd,TIOCEXCL,0); X ioctl(iofd,TIOCGETP,&oldtty); X ioctl(iofd,TIOCGETC,&oldtch); X#if defined(LLITOUT) X ioctl(TIOCLGET,&Locmode); /* Get "local mode" */ X#endif X } X tty = oldtty; X tty.sg_flags |= RAW; X tty.sg_flags &= ~ECHO; X ioctl(iofd,TIOCSETP,&tty); X did0 = TRUE; X Baudrate = getspeed(tty.sg_ospeed); X report_comm_baud_rate(Baudrate); X return(OK); X#endif X case 0: X if(!did0) X return(ERROR); X#if defined(M_XENIX) X (void) ioctl(iofd,TCSBRK,1); /* Wait for output to drain */ X (void) ioctl(iofd,TCFLSH,1); /* Flush input queue */ X (void) ioctl(iofd,TCSETAW,&oldtty); /* Restore modes */ X (void) ioctl(iofd,TCXONC,1); /* Restart output */ X#endif X#if defined(pyr) X ioctl(iofd,TIOCSETP,&oldtty); X ioctl(iofd,TIOCSETC,&oldtch); X ioctl(iofd,TIOCNXCL,0); X#if defined(LLITOUT) X ioctl(TIOCLSET,&Locmode); /* Restore "local mode" */ X#endif X#endif X X return(OK); X default: X return(ERROR); X } X} X X/*+------------------------------------------------------------------------- X sendbrk() X--------------------------------------------------------------------------*/ Xsendbrk() X{ X#if defined(pyr) X sleep(1); X ioctl(iofd,TIOCSBRK,0); X sleep(1); X ioctl(iofd,TIOCCBRK,0); X#endif X#if defined(M_XENIX) X ioctl(iofd,TCSBRK,0); X#endif X} /* end of sendbrk */ X X/*+------------------------------------------------------------------------- X get_curr_dir(currdir,currdir_max) X--------------------------------------------------------------------------*/ Xvoid Xget_curr_dir(currdir,currdir_max) Xchar *currdir; Xint currdir_max; X{ X#if defined(pyr) Xchar *getwd(); X return((getwd(currdir) == (char *)0) ? -1 : 0); X#endif X X#if defined(M_XENIX) X getcwd(currdir,currdir_max); X#endif X X} /* end of get_curr_dir */ X X/*+------------------------------------------------------------------------- X zmputs(str) - send a string to the modem X Xprocessing for \336 (sleep 1 sec) and \335 (break signal) X--------------------------------------------------------------------------*/ Xzmputs(str) Xregister char *str; X{ Xregister char strch; X X while(strch = *str++) X { X switch(strch) X { X case '\336': X sleep(1); X continue; X case '\335': X sendbrk(); X continue; X default: X sendline(strch); X } X } X} /* end of zmputs */ X X/*+----------------------------------------------------------------------- X get_home_dir(buffer): leave plenty of room for result! X------------------------------------------------------------------------*/ Xvoid Xget_home_dir(home_dir) Xchar *home_dir; X{ Xregister char *cptr; Xchar *getenv(); X#if defined(pyr) Xchar *getlogin(); X#endif X X if((cptr = getenv("HOME")) == NULL) X { X strcpy(home_dir,"/usr/"); X#if defined(M_XENIX) X cuserid(&home_dir[strlen(home_dir)]); X#endif X#if defined(pyr) X cptr = getlogin(); X strcpy(&home_dir[strlen(home_dir)],cptr); X#endif X#if ((defined(M_XENIX) | defined(pyr)) == 0) SHAR_EOF echo "End of part 29" echo "File z/zcommon.c is continued in part 30" echo "30" > s2_seq_.tmp exit 0 -- ------------------------------------------------------------------- Warren Tucker, Tridom Corporation ...!gatech!emory!tridom!wht Ker-au'-lo-phon. An 8-foot partial flue-stop, having metal pipes surmounted by adjustable rings, and with a hole bored near the top of each pipe, producing a soft and "reedy" tone.