Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!bionet!ames!elroy!usc!orion.cf.uci.edu!uci-ics!zardoz!dhw68k!bob From: bob@dhw68k.cts.com (Bob Best) Newsgroups: comp.os.minix Subject: zterm - background zmodem with dialer (Part 2/5) Message-ID: <23578@dhw68k.cts.com> Date: 8 Jun 89 13:34:00 GMT References: <23577@dhw68k.cts.com> Reply-To: bob@dhw68k.cts.com (Bob Best) Organization: Wolfskill & Dowling residence; Anaheim, CA (USA) Lines: 701 #! /bin/sh # This is a shell archive. Remove anything before this line, then unpack # it by saving it into a file and typing "sh file". To overwrite existing # files, type "sh file -c". You can also feed this as standard input via # unshar, or by typing "sh 'crc.c' <<'END_OF_FILE' X/*% cc -O -K -dos % -o crc.exe X*/ X X/* X * Crc - 32 BIT ANSI X3.66 CRC checksum files X */ X#include X#define OK 0 X#define ERROR (-1) X#define LINT_ARGS X X/**********************************************************************\ X|* *| X|* Demonstration program to compute the 32-bit CRC used as the frame *| X|* check sequence in ADCCP (ANSI X3.66, also known as FIPS PUB 71 *| X|* and FED-STD-1003, the U.S. versions of CCITT's X.25 link-level *| X|* protocol). The 32-bit FCS was added via the Federal Register, *| X|* 1 June 1982, p.23798. I presume but don't know for certain that *| X|* this polynomial is or will be included in CCITT V.41, which *| X|* defines the 16-bit CRC (often called CRC-CCITT) polynomial. FIPS *| X|* PUB 78 says that the 32-bit FCS reduces otherwise undetected *| X|* errors by a factor of 10^-5 over 16-bit FCS. *| X|* *| X\**********************************************************************/ X X/* Need an unsigned type capable of holding 32 bits; */ Xtypedef unsigned long int UNS_32_BITS; X X/* X * Copyright (C) 1986 Gary S. Brown. You may use this program, or X * code or tables extracted from it, as desired without restriction. X */ X/* First, the polynomial itself and its table of feedback terms. The */ X/* polynomial is */ 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/* Note that we take it "backwards" and put the highest-order term in */ X/* the lowest-order bit. The X^32 term is "implied"; the LSB is the */ X/* X^31 term, etc. The X^0 term (usually shown as "+1") results in */ X/* the MSB being 1. */ X X/* Note that the usual hardware shift register implementation, which */ X/* is what we're using (we're merely optimizing it by doing eight-bit */ X/* chunks at a time) shifts bits into the lowest-order term. In our */ X/* implementation, that means shifting towards the right. Why do we */ X/* do it this way? Because the calculated CRC must be transmitted in */ X/* order from highest-order term to lowest-order term. UARTs transmit */ X/* characters in order from LSB to MSB. By storing the CRC this way, */ X/* we hand it to the UART in the order low-byte to high-byte; the UART */ X/* sends each low-bit to hight-bit; and the result is transmission bit */ X/* by bit from highest- to lowest-order term without requiring any bit */ X/* shuffling on our part. Reception works similarly. */ X X/* The feedback terms table consists of 256, 32-bit entries. Notes: */ X/* */ X/* 1. The table can be generated at runtime if desired; code to do so */ X/* is shown later. It might not be obvious, but the feedback */ X/* terms simply represent the results of eight shift/xor opera- */ X/* tions for all combinations of data and CRC register values. */ X/* */ X/* 2. The CRC accumulation logic is the same for all CRC polynomials, */ X/* be they sixteen or thirty-two bits wide. You simply choose the */ X/* appropriate table. Alternatively, because the table can be */ X/* generated at runtime, you can start by generating the table for */ X/* the polynomial in question and use exactly the same "updcrc", */ X/* if your application needn't simultaneously handle two CRC */ X/* polynomials. (Note, however, that XMODEM is strange.) */ X/* */ X/* 3. For 16-bit CRCs, the table entries need be only 16 bits wide; */ X/* of course, 32-bit entries work OK if the high 16 bits are zero. */ X/* */ X/* 4. The values must be right-shifted by eight bits by the "updcrc" */ X/* logic; the shift must be unsigned (bring in zeroes). On some */ X/* hardware you could probably optimize the shift in assembler by */ X/* using byte-swap instructions. */ X Xstatic UNS_32_BITS crc_32_tab[] = { /* CRC polynomial 0xedb88320 */ X0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, X0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, X0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, X0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, X0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, X0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, X0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, X0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, X0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, X0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, X0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, X0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, X0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, X0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, X0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, X0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, X0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, X0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, X0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, X0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, X0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, X0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, X0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, X0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, X0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, X0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, X0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, X0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, X0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, X0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, X0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, X0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d X}; X X#define UPDC32(octet, crc) (crc_32_tab[((crc) ^ (octet)) & 0xff] ^ ((crc) >> 8)) X Xmain(argc, argp) Xchar **argp; X{ X register errors = 0; X X while( --argc > 0) X errors |= crc32file( *++argp); X exit(errors != 0); X} X Xcrc32file(name) Xchar *name; X{ X register FILE *fin; X register unsigned long oldcrc32; X register unsigned long crc32; X register unsigned long oldcrc; X register c; X register long charcnt; X X oldcrc32 = 0xFFFFFFFF; charcnt = 0; X#ifdef M_I86SM X if ((fin=fopen(name, "rb"))==NULL) X#else X if ((fin=fopen(name, "r"))==NULL) X#endif X { X perror(name); X return ERROR; X } X while ((c=getc(fin))!=EOF) { X ++charcnt; X oldcrc32 = UPDC32(c, oldcrc32); X } X X if (ferror(fin)) { X perror(name); X charcnt = -1; X } X fclose(fin); X X crc32 = oldcrc32; oldcrc = oldcrc32 = ~oldcrc32; X X/* X crc32 = UPDC32((oldcrc32 & 0377), crc32); oldcrc32 >>=8; X crc32 = UPDC32((oldcrc32 & 0377), crc32); oldcrc32 >>=8; X crc32 = UPDC32((oldcrc32 & 0377), crc32); oldcrc32 >>=8; X crc32 = UPDC32((oldcrc32 & 0377), crc32); oldcrc32 >>=8; X printf("%08lX ", crc32); X*/ X X printf("%08lX %7ld %s\n", oldcrc, charcnt, name); X X return OK; X} X END_OF_FILE if test 8566 -ne `wc -c <'crc.c'`; then echo shar: \"'crc.c'\" unpacked with wrong size! fi # end of 'crc.c' fi if test -f 'crctab.c' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'crctab.c'\" else echo shar: Extracting \"'crctab.c'\" \(8737 characters\) sed "s/^X//" >'crctab.c' <<'END_OF_FILE' X/* X * Crc calculation stuff X */ X X/* crctab calculated by Mark G. Mendel, Network Systems Corporation */ Xstatic unsigned short crctab[256] = { 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/* 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 X/* X * Copyright (C) 1986 Gary S. Brown. You may use this program, or X * code or tables extracted from it, as desired without restriction. X */ X X/* First, the polynomial itself and its table of feedback terms. The */ X/* polynomial is */ 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/* Note that we take it "backwards" and put the highest-order term in */ X/* the lowest-order bit. The X^32 term is "implied"; the LSB is the */ X/* X^31 term, etc. The X^0 term (usually shown as "+1") results in */ X/* the MSB being 1. */ X X/* Note that the usual hardware shift register implementation, which */ X/* is what we're using (we're merely optimizing it by doing eight-bit */ X/* chunks at a time) shifts bits into the lowest-order term. In our */ X/* implementation, that means shifting towards the right. Why do we */ X/* do it this way? Because the calculated CRC must be transmitted in */ X/* order from highest-order term to lowest-order term. UARTs transmit */ X/* characters in order from LSB to MSB. By storing the CRC this way, */ X/* we hand it to the UART in the order low-byte to high-byte; the UART */ X/* sends each low-bit to hight-bit; and the result is transmission bit */ X/* by bit from highest- to lowest-order term without requiring any bit */ X/* shuffling on our part. Reception works similarly. */ X X/* The feedback terms table consists of 256, 32-bit entries. Notes: */ X/* */ X/* The table can be generated at runtime if desired; code to do so */ X/* is shown later. It might not be obvious, but the feedback */ X/* terms simply represent the results of eight shift/xor opera- */ X/* tions for all combinations of data and CRC register values. */ X/* */ X/* The values must be right-shifted by eight bits by the "updcrc" */ X/* logic; the shift must be unsigned (bring in zeroes). On some */ X/* hardware you could probably optimize the shift in assembler by */ X/* using byte-swap instructions. */ X Xstatic long cr3tab[] = { /* CRC polynomial 0xedb88320 */ X0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, X0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, X0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, X0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, X0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, X0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, X0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, X0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, X0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, X0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, X0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, X0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, X0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, X0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, X0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, X0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, X0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, X0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, X0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, X0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, X0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, X0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, X0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, X0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, X0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, X0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, X0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, X0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, X0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, X0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, X0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, X0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d X}; X X#ifdef NFGM Xlong XUPDC32(b, c) Xlong c; X{ X return (cr3tab[((int)c ^ b) & 0xff] ^ ((c >> 8) & 0x00FFFFFF)); X} X X#else X X#define UPDC32(b, c) (cr3tab[((int)c ^ b) & 0xff] ^ ((c >> 8) & 0x00FFFFFF)) X#endif X X/* End of crctab.c */ END_OF_FILE if test 8737 -ne `wc -c <'crctab.c'`; then echo shar: \"'crctab.c'\" unpacked with wrong size! fi # end of 'crctab.c' fi if test -f 'rz.man' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'rz.man'\" else echo shar: Extracting \"'rz.man'\" \(9207 characters\) sed "s/^X//" >'rz.man' <<'END_OF_FILE' X X X X RZ(1) MINIX Version 1.3+ (OMEN) RZ(1) X X X X NAME X rx, rb, rz - XMODEM, YMODEM, ZMODEM (Batch) file receive X X SYNOPSIS X rz [- +abepqtuvy] X rb [- +abqtuvy] X rx [- abceqtuv] file X gz file ... X [-][v]rzCOMMAND X X DESCRIPTION X This program uses error correcting protocols to receive X files over a dial-in serial port from a variety of programs X running under PC-DOS, CP/M, Unix, and other operating X systems. It is invoked from a shell prompt manually, or X automatically as a result of an "sz file ..." command given X to the calling program. X X While rz is smart enough to be called from cu(1), very few X versions of cu(1) are smart enough to allow rz to work X properly. Unix flavors of Professional-YAM are available X for such dial-out application. X X X Rz (Receive ZMODEM) receives files with the ZMODEM batch X protocol. Pathnames are supplied by the sending program, X and directories are made if necessary (and possible). X Normally, the "rz" command is automatically issued by the X calling ZMODEM program, but some defective ZMODEM X implementations may require starting rz the old fashioned X way. X X X Rb receives file(s) with YMODEM, accepting either standard X 128 byte sectors or 1024 byte sectors (YAM sb -k option). X The user should determine when the 1024 byte block length X actually improves throughput without causing lost data or X even system crashes. X X If True YMODEM (Omen Technology trademark) file information X (file length, etc.) is received, the file length controls X the number of bytes written to the output dataset, and the X modify time and file mode (iff non zero) are set X accordingly. X X If no True YMODEM file information is received, slashes in X the pathname are changed to underscore, and any trailing X period in the pathname is eliminated. This conversion is X useful for files received from CP/M systems. With YMODEM, X each file name is converted to lower case unless it contains X one or more lower case letters. X X X X X Page 1 (printed 6/6/89) X X X X X X X RZ(1) MINIX Version 1.3+ (OMEN) RZ(1) X X X X Rx receives a single file with XMODEM or XMODEM-1k protocol. X The user should determine when the 1024 byte block length X actually improves throughput without causing problems. The X user must supply the file name to both sending and receiving X programs. Up to 1023 garbage characters may be added to the X received file. X X Gz is a shell script which calls sz to command Pro-YAM or X ZCOMM to transmit the specified files. Pathnames used with X gz must be escaped if they have special significance to the X Unix shell. X EXAMPLE: gz "-a C:*.c D:*.h" X X X Rz may be invoked as rzCOMMAND (with an optional leading - X as generated by login(1)). For each received file, rz will X pipe the file to ``COMMAND filename'' where filename is the X name of the transmitted file with the file contents as X standard input. X X Each file transfer is acknowledged when COMMAND exits with 0 X status. A non zero exit status terminates transfers. X X A typical use for this form is rzrmail which calls rmail(1) X to post mail to the user specified by the transmitted file X name. For example, sending the file "caf" from a PC-DOS X system to rzrmail on a Unix system would result in the X contents of the DOS file "caf" being mailed to user "caf". X X On some Unix systems, the login directory must contain a X link to COMMAND as login sets SHELL=rsh which disallows X absolute pathnames. If invoked with a leading ``v'', rz X will report progress to /tmp/rzlog. The following entry X works for Unix SYS III/V: X rzrmail::5:1::/bin:/usr/local/rzrmail X If the SHELL environment variable includes rsh or rksh X (restricted shell), rz will not accept absolute pathnames or X references to a parent directory, will not modify an X existing file, and removes any files received in error. X X If rz is invoked with stdout and stderr to different X datasets, Verbose is set to 2, causing frame by frame X progress reports to stderr. This may be disabled with the q X option. X X X The meanings of the available options are: X X a Convert files to Unix conventions by stripping carriage X returns and all characters beginning with the first X Control Z (CP/M end of file). X b Binary (tell it like it is) file transfer override. X X X X Page 2 (printed 6/6/89) X X X X X X X RZ(1) MINIX Version 1.3+ (OMEN) RZ(1) X X X X c Request 16 bit CRC. XMODEM file transfers default to 8 X bit checksum. YMODEM and ZMODEM normally use 16 bit X CRC. X D Output file data to /dev/null; for testing. (Unix X only) X e Force sender to escape all control characters; normally X XON, XOFF, DLE, CR-@-CR, and Ctrl-X are escaped. X p (ZMODEM) Protect: skip file if destination file exists. X q Quiet suppresses verbosity. X t tim X Change timeout to tim tenths of seconds. X v Verbose causes a list of file names to be appended to X /tmp/rzlog . More v's generate more output. X y Yes, clobber any existing files with the same name. X X EXAMPLES X (Pro-YAM command) X X Pro-YAM Command: sz *.h *.c X (This automatically invokes rz on the connected system.) X X SEE ALSO X ZMODEM.DOC, YMODEM.DOC, Professional-YAM, crc(omen), X sz(omen), usq(omen), undos(omen) X X Compile time options required for various operating systems X are described in the source file. X X NOTES X Sending serial data to timesharing minicomputers at X sustained high speeds has been known to cause lockups, X system halts, kernel panics, and occasional antisocial X behaviour. When experimenting with high speed input to a X system, consider rebooting the system if the file transfers X are not successful, especially if the personality of the X system appears altered. X X The Unix "ulimit" parameter must be set high enough to X permit large file transfers. X X The TTY input buffering on some systems may not allow long X blocks or streaming input at high speed. You should suspect X this problem when you can't send data to the Unix system at X high speeds using ZMODEM, YMODEM-1k or XMODEM-1k, when X YMODEM with 128 byte blocks works properly. If the system's X tty line handling is really broken, the serial port or the X entire system may not survive the onslaught of long bursts X of high speed data. X X The DSZ or Pro-YAM zmodem l numeric parameter may be set to X a value between 64 and 1024 to limit the burst length X ("zmodem pl128"). X X X X Page 3 (printed 6/6/89) X X X X X X X RZ(1) MINIX Version 1.3+ (OMEN) RZ(1) X X X X 32 bit CRC code courtesy Gary S. Brown. Directory creation X code from John Gilmore's PD TAR program. X X BUGS X Calling rz from most versions of cu(1) doesn't work because X cu's receive process fights rz for characters from the X modem. X X Programs that do not properly implement the specified file X transfer protocol may cause sz to "hang" the port for a X minute or two. Every reported instance of this problem has X been corrected by using ZCOMM, Pro-YAM, or other program X with a correct implementation of the specified protocol. X X Many programs claiming to support YMODEM only support XMODEM X with 1k blocks, and they often don't get that quite right. X X Pathnames are restricted to 127 characters. In XMODEM X single file mode, the pathname given on the command line is X still processed as described above. The ASCII option's X CR/LF to NL translation merely deletes CR's; undos(omen) X performs a more intelligent translation. X X VMS VERSION X The VMS version does not set the file time. X X VMS C Standard I/O and RMS may interact to modify file X contents unexpectedly. X X The VMS version does not support invocation as rzCOMMAND . X The current VMS version does not support XMODEM, XMODEM-1k, X or YMODEM. X X According to the VMS documentation, the buffered input X routine used on the VMS version of rz introduces a delay of X up to one second for each protocol transaction. This delay X may be significant for very short files. Removing the X "#define BUFREAD" line from rz.c will eliminate this delay X at the expense of increased CPU utilization. X X The VMS version causes DCL to generate a random off the wall X error message under some error conditions; this is a result X of the incompatibility of the VMS "exit" function with the X Unix/MSDOS standard. X X ZMODEM CAPABILITIES X Rz supports incoming ZMODEM binary (-b), ASCII (-a), protect X (-p), clobber (-y), and append (-+) requests. The default X is protect (-p) and binary (-b). X X The Unix versions support ZMODEM command execution. X X X X X Page 4 (printed 6/6/89) X X X X X X X RZ(1) MINIX Version 1.3+ (OMEN) RZ(1) X X X X FILES X rz.c, crctab.c, rbsb.c, zm.c, zmodem.h Unix source files. X X rz.c, crctab.c, vrzsz.c, zm.c, zmodem.h, vmodem.h, X vvmodem.c, VMS source files. X X /tmp/rzlog stores debugging output generated with -vv option X (rzlog on VMS). X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Page 5 (printed 6/6/89) X X X END_OF_FILE if test 9207 -ne `wc -c <'rz.man'`; then echo shar: \"'rz.man'\" unpacked with wrong size! fi # end of 'rz.man' fi echo shar: End of archive 2 \(of 5\). >ark2isdone MISSING="" for I in 1 2 3 4 5 ; do if test ! -f ark${I}isdone ; then MISSING="${MISSING} ${I}" fi done if test "${MISSING}" = "" ; then echo You have unpacked all 5 archives. rm -f ark[1-9]isdone else echo You still need to unpack the following archives: echo " " ${MISSING} fi ## End of shell archive. exit 0 -- Bob Best uucp: {spsd, zardoz, felix}!dhw68k!bob InterNet: bob@dhw68k.cts.com