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- /*
- * ACKNOWLEDGEMENTS
- *
- * ZMDM was derived from rz/sz for Unix posted by
- * Chuck Forsberg (...!tektronix!reed!omen!caf ). We
- * thank him for his excellent code, and for giving
- * us permission to use and distribute his code and
- * documentation.
- *
- * Atari St version by:
- * Jwahar Bammi
- * usenet: cwruecmp!bammi@decvax.UUCP
- * csnet: bammi@cwru.edu
- * arpa: bammi@cwru.edu
- * CompuServe: 71515,155
- */
-
- #define IN_COMMON
-
- /*
- * -rev 08-17-86
- * mode function and most of the rest of the system dependent
- * stuff for rb.c and sb.c This file is #included so the includer
- * can set parameters such as HOWMANY. See the main file (rz.c/sz.c)
- * for compile instructions.
- */
-
- #include "zmdm.h"
- #include "zmodem.h"
-
- #ifndef Supexec /* Some versions of osbind don't define Supexec */
- #define Supexec(X) xbios(38,X)
- #endif
-
- #define CRCTABLE
-
- /* GLOBALS */
- int Zmodem; /* ZMODEM protocol requested */
- int Nozmodem; /* If invoked as "rb" */
- int Badclose; /* Error on last close */
- int Batch;
- int Wcsmask;
- int Verbose;
- int Quiet; /* overrides logic that would otherwise set verbose */
- int Lleft; /* number of characters in linbuf */
- int Readnum; /* Number of bytes to ask for in read() from modem */
- int Crcflg;
- int ForceBinary; /* local binary force override for rz */
-
- FILE *logf;
- int vdebug; /* set if RDEBUG or SDEBUG */
-
- char secbuf[KSIZE];
- char linbuf[KSIZE];
- #ifdef MWC /* File i/o buffer */
- unsigned char *bufr; /* In MWC it is lmalloc()'ed in main.c */
- #else
- unsigned char bufr[BBUFSIZ];
- #endif
- int fout;
- int Lastrx;
- int Firstsec;
- int Eofseen; /* indicates cpm eof (^Z) has been received */
- int errors;
- long Bytesleft; /* number of bytes of incoming file left */
- long Modtime; /* Unix style mod time for incoming file */
- int Filemode; /* Unix style mode for incoming file */
- char Pathname[PATHLEN];
- char *Progname; /* the name by which we were called */
-
- int Thisbinary; /* current file is to be received in bin mode */
- int Blklen; /* record length of received packets */
- char Lzmanag; /* Local file management request */
- char zconv; /* ZMODEM file conversion request */
- char zmanag; /* ZMODEM file management request */
- char ztrans; /* ZMODEM file transport request */
-
- jmp_buf tohere; /* For the interrupt on RX timeout */
- jmp_buf abrtjmp; /* for force abort */
- jmp_buf busjmp; /* for bus errors */
- jmp_buf addrjmp; /* for address errors */
- unsigned long BusErr, AddrErr; /* saved vector addresses */
- int Zctlesc; /* Encode control characters */
- int SendType; /* Which send line to use */
- int Modem; /* Send using Xmodem */
- int lsct;
- int tryzhdrtype; /* Header type to send corresponding to Last rx close */
- int Txfcs32; /* TRUE means send binary frames with 32 bit FCS */
-
- /* Globals used by ZMODEM functions */
- int Rxframeind; /* ZBIN or ZHEX indicates type of frame received */
- int Rxtype; /* Type of header received */
- int Rxcount; /* Count of data bytes received */
- int Rxtimeout; /* Tenths of seconds to wait for something */
- int Znulls; /* Number of nulls to send at beginning of ZDATA hdr */
- char Rxhdr[4]; /* Received header */
- char Txhdr[4]; /* Transmitted header */
- long Rxpos; /* Received file position */
- long Txpos; /* Transmitted file position */
- char Attn[ZATTNLEN+1]; /* Attention string rx sends to tx on err */
-
- /* Globals used by Sz */
- char Lzconv; /* Local ZMODEM file conversion request */
- char Lztrans;
- char *Cmdstr; /* Pointer to the command string */
- int Optiong; /* Let it rip no wait for sector ACK's */
- int Noeofseen;
- int Totsecs; /* total number of sectors this file */
- int Command; /* Send a command, then exit. */
- int Cmdack1; /* Rx ACKs command, then do it */
- int Exitcode;
- int Testattn; /* Force receiver to send Attn, etc with qbf. */
- int Lastc; /* Count of last buffer read or -1 */
- int Dontread; /* Don't read the buffer, it's still there */
- int Wantfcs32; /* want to send 32 bit FCS */
- long Lastread; /* Beginning offset of last buffer read */
- jmp_buf intrjmp; /* For the interrupt on RX CAN */
-
- char *qbf;
- unsigned int Rxbuflen; /* Receiver's max buffer length */
- int Cmdtries;
- int Filcnt; /* count of number of files opened */
- int Lfseen;
- int Tframlen; /* Override for tx frame length */
- int blkopt; /* Override value for zmodem blklen */
- int Rxflags;
- int Ascii; /* Add CR's for brain damaged programs */
- int Fullname; /* transmit full pathname */
- int Unlinkafter; /* Unlink file after it is sent */
- int Dottoslash; /* Change foo.bar.baz to foo/bar/baz */
- int errcnt; /* number of files unreadable */
- int siggi; /* line interrupt enable flag */
-
- /* crctab calculated by Mark G. Mendel, Network Systems Corporation */
- unsigned int crctab[256] = {
- 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
- 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
- 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
- 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
- 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
- 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
- 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
- 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
- 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
- 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
- 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
- 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
- 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
- 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
- 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
- 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
- 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
- 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
- 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
- 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
- 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
- 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
- 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
- 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
- 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
- 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
- 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
- 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
- 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
- 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
- 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
- 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
- };
-
- /*
- * Copyright (C) 1986 Gary S. Brown. You may use this program, or
- * code or tables extracted from it, as desired without restriction.
- *
- * Need an unsigned type capable of holding 32 bits;
- */
- typedef unsigned long int UNS_32_BITS;
-
- /* First, the polynomial itself and its table of feedback terms. The */
- /* polynomial is */
- /* 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 */
- /* Note that we take it "backwards" and put the highest-order term in */
- /* the lowest-order bit. The X^32 term is "implied"; the LSB is the */
- /* X^31 term, etc. The X^0 term (usually shown as "+1") results in */
- /* the MSB being 1. */
-
- /* Note that the usual hardware shift register implementation, which */
- /* is what we're using (we're merely optimizing it by doing eight-bit */
- /* chunks at a time) shifts bits into the lowest-order term. In our */
- /* implementation, that means shifting towards the right. Why do we */
- /* do it this way? Because the calculated CRC must be transmitted in */
- /* order from highest-order term to lowest-order term. UARTs transmit */
- /* characters in order from LSB to MSB. By storing the CRC this way, */
- /* we hand it to the UART in the order low-byte to high-byte; the UART */
- /* sends each low-bit to hight-bit; and the result is transmission bit */
- /* by bit from highest- to lowest-order term without requiring any bit */
- /* shuffling on our part. Reception works similarly. */
-
- /* The feedback terms table consists of 256, 32-bit entries. Notes: */
- /* */
- /* The table can be generated at runtime if desired; code to do so */
- /* is shown later. It might not be obvious, but the feedback */
- /* terms simply represent the results of eight shift/xor opera- */
- /* tions for all combinations of data and CRC register values. */
- /* */
- /* The values must be right-shifted by eight bits by the "updcrc" */
- /* logic; the shift must be unsigned (bring in zeroes). On some */
- /* hardware you could probably optimize the shift in assembler by */
- /* using byte-swap instructions. */
-
- unsigned long int crc_32_tab[] = { /* CRC polynomial 0xedb88320 */
- 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL,
- 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L,
- 0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L,
- 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L,
- 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
- 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L,
- 0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL,
- 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L,
- 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L,
- 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
- 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L,
- 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L,
- 0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L,
- 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL,
- 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
- 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL,
- 0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL,
- 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L,
- 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L,
- 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
- 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL,
- 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L,
- 0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL,
- 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L,
- 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
- 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL,
- 0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L,
- 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L,
- 0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L,
- 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
- 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L,
- 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL,
- 0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL,
- 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L,
- 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
- 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L,
- 0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL,
- 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L,
- 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL,
- 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
- 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L,
- 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL,
- 0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L,
- 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L,
- 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
- 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL,
- 0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L,
- 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL,
- 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL,
- 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
- 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L,
- 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L,
- 0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL,
- 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L,
- 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
- 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L,
- 0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L,
- 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL,
- 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L,
- 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
- 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L,
- 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL,
- 0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L,
- 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL
- };
-
-
- /* statics */
- static char *tsr_ptr = (char *)0x00fffa2dL; /* See St internals */
- static long *hz_200 = (long *)0x000004ba; /* Yes the Hitch Hikers */
- /* Guide is wrong!! */
-
- static long
- alrm_time = 0L, /* Time of next timeout (200 Hz) */
- pr_time = 0L; /* Present time (200 Hz) */
-
- static char *special[] = {
- ".PRG", ".TOS", ".TTP", ".ARC", ".ACC", ".IMG", ".RSC", ".O",
- ".OBJ", ".NEO",
- ".PIC", ".PI1", ".PI2", ".PI3", ".PQ1", ".PQ2", ".PQ3", ".BRD",
- ".ANI", ".STW",
- ".FNT", ".PRT", ".SNG", ".NEC", ".CNF", ".Z" , ".DFN", ".GEM",
- ".EZD", ".LNK",
- ".SYM", ".DVI", ".PIX", ".X32", ".OUT", ".A", ".CCC", ".CL",
- ".CMD", ".COM",
- ".CRL", ".DAT", ".DIR", ".EXE", ".OVL", ".PAG", ".REL", ".SAV",
- ".SUB", ".SWP",
- ".SYS", ".TAR", ".UTL", ".BIN", ".LBR", ".IM", ".PAK",
- ""
- };
-
- /*
- * mode(n)
- * 2: set a cbreak, XON/XOFF control mode if using Pro-YAM's -g
- option
- * 1: save old tty stat, set raw mode
- * 0: restore original tty mode
- */
- mode(n)
- {
-
- vfile("mode:%d", n);
- switch(n) {
-
- case 2: /* Cbreak mode used by sb when -g detected */
- return OK;
- case 1:
- return OK;
- case 0:
- while(Bconstat(1)) Bconin(1); /* flush input */
-
- return OK;
- default:
- return ERROR;
- }
- }
-
- /*
- * send a break
- * Modifies Bit 3 in the TSR (reg 23) of the Mfp
- */
-
- sendbrk()
- {
- register long save_ssp;
- register long time;
-
- save_ssp = Super(0L); /* Super Mode */
-
- /* set bit 3 of the TSR */
- *tsr_ptr |= (char)8;
-
-
- /* wait for 250 ms */
- time = *hz_200 + 50;
- while(*hz_200 < time)
- /* wait */ ;
-
- /* reset bit 3 of the tsr */
- *tsr_ptr &= (char)~8;
-
- Super(save_ssp); /* Back to user Mode */
- }
-
- #ifdef TX
- /*
- * Put transmit section of the MFP uart off
- *
- */
- Txoff()
- {
- register long save_ssp;
-
- save_ssp = Super(0L); /* Super Mode */
-
- /* clear bit 0 of the tsr */
- *tsr_ptr &= (char)~1;
-
- Super(save_ssp); /* Back to user Mode */
- }
-
- /*
- * Put transmit section of the MFP uart on
- *
- */
- Txon()
- {
- register long save_ssp;
-
- save_ssp = Super(0L); /* Super Mode */
-
- /* set bit 0 of the tsr */
- *tsr_ptr |= (char)1;
-
- Super(save_ssp); /* Back to user Mode */
- }
- #endif /* TX */
-
-
- /*
- * rd_time() - read the value of the systems 200 Hz counter
- * must be called in Super Mode else you get
- * what you deserve - MUSHROOMS!!
- */
- void rd_time()
- {
- pr_time = *hz_200;
- }
-
-
- /*
- * read_modem() - read upto count characters from the modem port
- * Check for user abort (^C) and timeout at the same time
- */
- int read_modem(buf, count)
- register char *buf;
- register int count;
- {
- register int n;
- void rd_time();
-
- n = 0;
-
- while(1)
- {
- if(Bconstat(2))
- {
- /* Character Hit at the Keyboard - is it ^C */
- if((Bconin(2) & 0x7f) == CTRL('C'))
- {
- /* It is a Control-C */
- if(SendType)
- bibis(3);
- else
- bibi(3);
- }
-
- }
- if(Bconstat(1))
- {
- /* Character available at Modem Port */
- n++;
- *buf++ = Bconin(1);
-
- while((n < count) && Bconstat(1))
- {
- *buf++ = Bconin(1);
- n++;
-
- }
- return n;
- }
-
- /* Check for time out if required */
- if(alrm_time != 0)
- {
- /* Alarm Set */
- Supexec(rd_time);
- if(pr_time >= alrm_time)
- /* timeout */
- longjmp(tohere, -1);
- }
- }
- }
-
-
- /*
- * alarm() - set the alarm time
- */
- void stalarm(n)
- unsigned int n;
- {
- void rd_time();
-
- if(n > 0)
- {
- Supexec(rd_time);
- /* We really need n * 200 but n * 256 is close enough */
- alrm_time = pr_time + ( n << 8 );
- }
- else
- alrm_time = 0L;
- }
-
- /*
- * write_modem() - send buffer to the modem port
- *
- */
- void write_modem(buf,len)
- register char *buf;
- register int len;
- {
- register int i;
- for(i = 0; i < len; i++)
- Bconout(1, *buf++);
- }
-
-
- /*
- * flushinput() - flush any characters in the modem port
- * a future enhancement may be flush any characters that are in there
- * and any that come in over the next 1 second -- Ymodem does that
- *
- */
- void flushinput()
- {
- while(Bconstat(1))
- Bconin(1);
- }
-
-
-
- int isbinary(name)
- register char *name;
- {
- register char **p;
- register char *ext;
- extern char *rindex();
- extern int ustrcmp();
-
- if((ext = rindex(name,'.')) == (char *)NULL)
- {
- return 0;
- }
-
- for(p = special; **p != '\0'; p++)
- if(ustrcmp(ext,*p) == 0)
- return 1;
- return 0;
- }
-
- #define upper(X) (islower(X)?toupper(X):X)
-
- /* Strcmp - case insensative */
- int ustrcmp(s1,s2)
- register char *s1, *s2;
- {
- while(*s1 != '\0')
- {
- if(*s2 == '\0')
- return 1;
- if(upper(*s1) != *s2)
- return 1;
- s1++;
- s2++;
- }
- if(*s2 != '\0')
- return 1;
- else
- return 0;
- }
-
-
- /*
- * Ensure that each subdirectory in the pathname exists.
- * If one doesn'nt, make the rest of the directory
- * Returns ERROR if it has trouble creating a path
- *
- */
- int pathensure(name)
- char *name;
- {
- extern char *index();
-
- if(index(name, '\\') == (char *)NULL)
- /* nothing to check */
- return OK;
-
- return pathrest(name, (char *)NULL);
- }
-
- /*
- * check rest of the path recursively
- * If any component of the path name is longer than 8/12 characters then
- * warn.
- *
- */
- int pathrest(name, prev)
- char *name, *prev;
- {
- char previous[128];
- char component[13];
- register char *p, *q, *r, *s;
- register int warn;
- extern char *index();
- extern char *in();
-
- if((r = index(name, '\\')) == (char *)NULL)
- /* nothing more to check */
- return OK;
-
- /* pick up the next component of the path name, 8/12 chars max for ST */
- warn = 0;
- if((s = in(name, r, '.')) == (char *)NULL)
- {
- /* component does'nt contain a dot */
- if( ((long)r - (long)name) > 8)
- {
- warn++;
- strncpy(component, name, 8);
- q = &component[8];
- }
- else
- {
- register int n;
-
- n = (int)((long)r - (long)name);
- strncpy(component, name, n);
- component[n] = '\0';
- q = &component[(strlen(component))];
- }
- }
- else
- {
- /* component contains a dot */
- if(((long)s - (long)name) > 8)
- {
- warn++;
- strncpy(component, name, 8);
- q = &component[8];
- }
- else
- {
- for(p = name, q = component; p != s; )
- *q++ = *p++;
- }
- *q++ = '.';
- s++;
- if(s != r)
- {
- if(((long)r - (long)s) > 3)
- {
- warn++;
- strncpy(q, s, 3);
- q = &q[3];
- }
- else
- {
- for(p = s; p != r; )
- *q++ = *p++;
- }
- }
- }
- *q = '\0';
-
- if(warn)
- {
- fprintf(stderr,
- "?WARNING - A component of the path is longer than 8/12 chars\n");
- fprintf(stderr,"%s --> %s\n", name, component);
- }
-
- if(prev == (char *)NULL)
- strcpy(previous, component);
- else
- {
- strcpy(previous, prev);
- strcat(previous, "\\");
- strcat(previous, component);
- }
-
- if(existd(previous))
- /* it exists - go do rest */
- return pathrest(++r, previous);
-
- /* does not exist, */
- /* make this component and all its children */
- return makesubtree(++r, previous);
- }
-
- /*
- * make a subtree
- */
- int makesubtree(name, prev)
- char *name, *prev;
- {
- char previous[128];
- char component[13];
- register char *p, *q, *r, *s;
- register int warn;
- extern char *index();
- extern char *in();
-
- if(Dcreate(prev) != 0)
- {
- log2("Trouble trying to create subtree\n");
- fprintf(stderr,"%s\n", prev);
- return ERROR;
- }
- fprintf(stderr,"Created Directory %s\n", prev);
-
- if((r = index(name, '\\')) == (char *)NULL)
- /* nothing more to do */
- return OK;
-
- /* pick up the next component of the path name, 8/12 chars max for ST */
- warn = 0;
- if((s = in(name, r, '.')) == (char *)NULL)
- {
- /* component does'nt contain a dot */
- if( ((long)r - (long)name) > 8)
- {
- warn++;
- strncpy(component, name, 8);
- q = &component[8];
- }
- else
- {
- register int n;
-
- n = (int)((long)r - (long)name);
- strncpy(component, name, n);
- component[n] = '\0';
- q = &component[(strlen(component))];
- }
- }
- else
- {
- /* component contains a dot */
- if(((long)s - (long)name) > 8)
- {
- warn++;
- strncpy(component, name, 8);
- q = &component[8];
- }
- else
- {
- for(p = name, q = component; p != s; )
- *q++ = *p++;
- }
- *q++ = '.';
- s++;
- if(s != r)
- {
- if(((long)r - (long)s) > 3)
- {
- warn++;
- strncpy(q, s, 3);
- q = &q[3];
- }
- else
- {
- for(p = s; p != r; )
- *q++ = *p++;
- }
- }
- }
- *q = '\0';
-
- if(warn)
- {
- fprintf(stderr,
- "?WARNING - A component of the path is longer than 8/12 chars\n");
- fprintf(stderr,"%s --> %s\n", name, component);
- }
-
- strcpy(previous, prev);
- strcat(previous, "\\");
- strcat(previous, component);
-
-
-
- /* go do the rest of them */
- return makesubtree(++r, previous);
- }
-
-
- /*
- * test if a subdirectory exists
- * include special case of 'D:\' that Fsfirst does'nt handle correctly
- */
- int existd(name)
- register char *name;
- {
- /* assuming the DTA buffer is already set up */
- extern long drv_map;
- extern struct stat statbuf;
- register int drive;
-
- if (Fsfirst(name , 0x0021|0x0010) == 0)
- {
- if((statbuf.st_mode & 0x0010) == 0x0010)
- return TRUE;
- }
-
- /* Gemdos doesn't like d:\ style dirs */
- if((name[3] == '\0') && (name[2] == '\\') && (name[1] == ':'))
- {
- drive = name[0];
- if(isupper(drive))
- drive = tolower(drive);
-
- drive = drive - 'a';
- if((drv_map & (1L << drive)) == 0)
- return FALSE;
- else
- return TRUE;
- }
- /* Nor does Gemdos understand '.' or '..' */
- /* Hey Atari, don't you guys ever test anything */
- if((strcmp(name,".") == 0) || (strcmp(name,"..") == 0) ||
- (strcmp(name,".\\") == 0) || (strcmp(name,"..\\") == 0))
- return TRUE;
-
- return FALSE;
- }
-
- /*
- * Does a file exist
- */
- int existf(name)
- register char *name;
- {
- /* assuming the DTA buffer is already set up */
-
- return (Fsfirst(name , 0x0001) == 0);
-
- }
-
- /*
- * stsystem(cmd) - execute a process
- * char *cmd; command to execute (including redirections etc)
- */
- int stsystem(cmd)
- char *cmd;
- {
- register char *ptr1; /* general pointers */
- register char save; /* */
- register int status; /* return status */
- register char *args; /* arguments */
- register int len; /* length of args - 2 */
- char nils[2];
- extern char *malloc();
-
-
- nils[0] = nils[1] = '\0';
- for(ptr1 = cmd; (!isspace(*ptr1)) && (*ptr1 != '\0'); ptr1++)
- /* skip till end of path name */;
- if(*ptr1 != '\0')
- {
- /* cmd does have a command tail */
- /* save the char at the position and terminate the path */
- save = *ptr1;
- *ptr1++ = '\0'; /* command tail is the rest of it */
-
- if((args = (char *) malloc((len = strlen(ptr1)) + 2))
- == (char *)NULL)
- {
- /* could not allocate memory */
- return(-1);
- }
- *args++ = len;
- strcpy(args,ptr1);
- args--;
- /* now do the load and go */
- status = Pexec(0,cmd,args,(char *)NULL);
- /* restore cmd to original state */
- *--ptr1 = save;
- free(args);
- }
- else
- {
- /* command does not have a tail */
-
- /* now do the load and go */
- status = Pexec(0,cmd,nils,(char *)NULL);
- }
-
- return(status);
- }
-
- stsleep(n)
- int n;
- {
- void rd_time();
-
- if(n != 0)
- {
- Supexec(rd_time);
- /* We really need n * 200 but n * 256 if close enough */
- alrm_time = pr_time + ( n << 8 );
-
- while(alrm_time > pr_time)
- {
- Supexec(rd_time);
- }
- alrm_time = 0L;
- }
- }
-
-
- initz()
- {
- Zmodem=0; /* ZMODEM protocol requested */
- Nozmodem = 0; /* If invoked as "rb" */
- Badclose = 0; /* Error on last close */
- Batch=0;
- Wcsmask=0377;
- Verbose=0;
- lsct = 1;
- Quiet=0; /* overrides logic that would otherwise set verbose */
- Lleft=0; /* number of characters in linbuf */
-
- logf = (FILE *)NULL;
- vdebug = 0;
-
- Readnum = KSIZE; /* Number of bytes to ask for in read() from modem */
- Crcflg = FALSE;
- fout = (-1);
- errors = 0;
- Rxtimeout = 100; /* Tenths of seconds to wait for something */
- Modem = 0;
- Blklen = SECSIZ; /* record length of received packets */
-
- qbf="The quick brown fox jumped over the lazy dog's back 1234567890\r\n";
- Cmdtries = 11;
- Filcnt=0; /* count of number of files opened */
- Lfseen=0;
- Rxbuflen = 1024; /* Receiver's max buffer length */
- Tframlen = 0; /* Override for tx frame length */
- blkopt=0; /* Override value for zmodem blklen */
- Rxflags = 0;
- Ascii=0; /* Add CR's for brain damaged programs */
- Fullname=0; /* transmit full pathname */
- Unlinkafter=0; /* Unlink file after it is sent */
- Dottoslash=0; /* Change foo.bar.baz to foo/bar/baz */
- errcnt=0; /* number of files unreadable */
- Testattn = FALSE;
- siggi = 0;
- Command = FALSE;
- Wantfcs32 = TRUE; /* want to send 32 bit FCS */
- Znulls = 0;
- tryzhdrtype=ZRINIT; /* Header type to send corresponding to Last rx close */
- Txfcs32 = FALSE; /* TRUE means send binary frames with 32 bit FCS */
- ForceBinary = FALSE; /* Local force binary override for rz */
-
- }
-
- /* abort current session - due to async fault */
- aexit(n)
- int n;
- {
- longjmp(abrtjmp, n);
- }
-
- buserr()
- {
- longjmp(busjmp, -1);
- }
-
- addrerr()
- {
- longjmp(addrjmp, -1);
- }
-
- /*
- * Local console output simulation
- */
- bttyout(c)
- {
- if (Verbose)
- putc(c, stderr);
- }
-
- /*
- * Send a character to modem. Small is beautiful.
- */
- sendline(c)
- int c;
- {
- if (Verbose>4)
- {
- fprintf(stderr, "Sendline: %x\n", c);
-
- }
- if (SendType)
- Bconout(1, c & Wcsmask);
- else
- Bconout(1, c);
-
- }
-
-
-
- /*
- * substr(string, token) searches for token in string s
- * returns pointer to token within string if found, NULL otherwise
- */
- char *
- substr(s, t)
- register char *s;
- char *t;
- {
- register char *ss,*tt;
- /* search for first char of token */
- for (ss=s; *s; s++)
- if (*s == *t)
- /* compare token with substring */
- for (ss=s,tt=t; ;)
- {
- if (*tt == '\0')
- return s;
- if (*ss++ != *tt++)
- break;
- }
-
- return ((char *)NULL);
- }
-
-
- /* send cancel string to get the other end to shut up */
- canit()
- {
- static char canistr[] = {
- ZPAD,ZPAD,24,24,24,24,24,24,24,24,8,8,8,8,8,8,8,8,8,8,0
- };
-
- write_modem(canistr, strlen(canistr));
- if(!SendType)
- Lleft=0; /* Do read next time ... */
-
- }
-
-
- /*
- * Debugging information output interface routine
- */
- /* VARARGS1 */
- vfile(f, a, b, c)
- register char *f;
- int a, b, c;
- {
- if (Verbose > 3)
- { /* verbose 2 is normal for us */
- fprintf(stderr, f, a, b, c);
- fprintf(stderr, "\n");
-
- if(vdebug && (logf != (FILE *)NULL))
- {
- fprintf(logf, f, a, b, c);
- fprintf(logf, "\n");
- fflush(logf);
- }
-
- }
- }
-
- /* longs and pointers are not integers */
- /* VARARGS1 */
- vfile2(f, a, b, c)
- long a, b, c;
- register char *f;
- {
- if (Verbose > 3)
- {
- fprintf(stderr, f, a, b, c);
- fprintf(stderr, "\n");
-
- if(vdebug && (logf != (FILE *)NULL))
- {
- fprintf(logf, f, a, b, c);
- fprintf(logf, "\n");
- fflush(logf);
- }
-
- }
- }
-
- char *in(from, to, c)
- register char *from, *to;
- register int c;
- {
- for(; from < to; from++)
- {
- if(*from == c)
- return from;
- }
- return (char *)NULL;
- }
-
- /** EOF **/
-