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- #ifndef lint
- static char sccsid[] = "@(#)uuencode.c 5.3-1 (Berkeley) 1/22/85";
- #endif
- /* modified by ajr to include checksums */
-
- /* Adapted by Phil Julian, SAS Institute, Inc., for use on the Data General
- * minicomputers. #ifdefs surround host-dependent code.
- * 27 May 1987
- */
-
- /*
- * uuencode [input] output
- *
- * Encode a file so it can be mailed to a remote system.
- */
- #include <stdio.h>
-
- #ifdef unix
- #include <sys/types.h>
- #include <sys/stat.h>
- #endif
-
- #ifdef datageneral
- #include <sys_calls.h>
- #include <packets/filestatus.h> /* Used for ?GNFN */
- #include <packets:normal_io.h>
- #include <paru.h>
- struct p_nio_ex w_io_parms; /* ?write system call structure */
- P_FSTAT buf;
- int ac0,ac2;
- char name[256];
- #define R_ACC 4
- #ifdef putc
- #undef putc
- #endif
- #define putc(c,file) { char ch = (char) (c); dg_binw(fchannel(file),&ch,1); }
- #endif
-
- #define SUMSIZE 64
-
- /* ENC is the basic 1 character encoding function to make a char printing */
- #define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
-
- main(argc, argv)
- char **argv;
- {
- FILE *in;
- #ifdef unix
- struct stat sbuf;
- #endif
- int mode;
-
- /* optional 1st argument */
- #ifdef datageneral
- name[0] = 0; /* Signal that there is not filename */
- if (argc > 2) {
- strcpy (name,argv[1]);
- if ((in = fopen(argv[1], "j")) == NULL) {
- #else
- if (argc > 2) {
- if ((in = fopen(argv[1], "r")) == NULL) {
- #endif
- perror(argv[1]);
- exit(1);
- }
- argv++; argc--;
- } else
- in = stdin;
-
- if (argc != 2) {
- #ifdef datageneral
- printf("Usage: x uuencode/l=localname [infile] remotefile\n");
- #else
- printf("Usage: uuencode [infile] remotefile\n");
- #endif
- exit(2);
- }
-
- #ifdef unix
- /* figure out the input file mode */
- fstat(fileno(in), &sbuf);
- mode = sbuf.st_mode & 0777;
- #else
- #ifdef datageneral
- /* Initialize the i/o block for putc() */
- zero((char *) &w_io_parms, sizeof(w_io_parms));
- w_io_parms.isti = $IBIN|$RTDY|$ICRF|$OFOT;
- w_io_parms.isti &= ~$IPST;
- w_io_parms.imrs = 2048;
- w_io_parms.ibad = -1;
- w_io_parms.ircl = -1;
-
- if (name[0]) {
- /* For some reason, the DG croaks intermittently with a call to
- * stat(), because the directory /etc/passwd may not exist. We
- * use ?fstat to circumvent this bug.
- */
-
- ac0 = (int) name; ac2 = (int) &buf;
- if (sys_fstat(ac0,0,ac2)) { perror("sys_fstat:"); exit(-1); }
-
- /* buf.styp_type is the file format field.
- * buf.styp_format is the record format field.
- *
- * buf.scps is the record length if the type is fixed -- if you
- * need to use fixed records, then you would have to use a sys_open
- * to have control over the ircl value, or you would have to use
- * a sys_create call. I have chosen only to use dg_open and
- * simplify the process, since fixed files are seldom used and are
- * seldom binary.
- */
-
- if ((buf.styp_type >= $LDIR) && (buf.styp_type <= $HDIR)) {
- fprintf(stderr,"Illegal file type for encode!");
- exit(-2);
- }
- if (access(name,R_ACC) < 0) { /* Is the file accessible? */
- perror("Access failed:");
- exit(-3);
- }
- }
- #else
- mode = 0777;
- #endif
- #endif
- #ifdef datageneral
- {
- char temp[512]; int i;
- /* No format defaults to an undefined record format */
- if (buf.styp_format == 0) buf.styp_format = $RTUN;
- sprintf(temp, "begin %#o %s %#o\n",
- buf.styp_format, argv[1], buf.styp_type);
- dg_binw (fchannel(stdout), temp, strlen(temp));
- }
- #else
- printf("begin %o %s\n", mode, argv[1]);
- #endif
-
- encode(in, stdout);
-
- #ifdef datageneral
- dg_binw (fchannel(stdout), "end\n", 4);
- #else
- printf("end\n");
- #endif
- exit(0);
- }
-
- /*
- * copy from in to out, encoding as you go along.
- */
- encode(in, out)
- FILE *in;
- FILE *out;
- {
- char buf[80];
- int i, n, checksum;
-
- for (;;) {
- /* 1 (up to) 45 character line */
- n = fr(in, buf, 45);
- putc(ENC(n), out);
-
- checksum = 0;
- for (i=0; i<n; i += 3)
- checksum = (checksum+outdec(&buf[i], out)) % SUMSIZE;
-
- putc(ENC(checksum), out);
- putc('\n', out);
- if (n <= 0)
- break;
- }
- }
-
- /*
- * output one group of 3 bytes, pointed at by p, on file f.
- * return the checksum increment.
- */
- int outdec(p, f)
- char *p;
- FILE *f;
- {
- int c1, c2, c3, c4;
-
- c1 = *p >> 2;
- c2 = (*p << 4) & 060 | (p[1] >> 4) & 017;
- c3 = (p[1] << 2) & 074 | (p[2] >> 6) & 03;
- c4 = p[2] & 077;
- putc(ENC(c1), f);
- putc(ENC(c2), f);
- putc(ENC(c3), f);
- putc(ENC(c4), f);
-
- return((p[0]+p[1]+p[2]) % SUMSIZE);
- }
-
- /* fr: like read but stdio */
- int
- fr(fd, buf, cnt)
- FILE *fd;
- char *buf;
- int cnt;
- {
- int c, i;
-
- for (i=0; i<cnt; i++) {
- c = getc(fd);
- if (c == EOF)
- return(i);
- buf[i] = c;
- }
- return (cnt);
- }
-
- #if (!unix && MANX)
-
- perror (sp)
- char *sp;
- {
- if (sp && *sp) {
- fprintf (stderr, "%s: ");
- }
- fprintf (stderr, "<unknown error>\n");
- }
-
- #endif /* Unix */
-
-
- #ifdef datageneral
- /* D G _ B I N W -- Output len characters to the file number filenum
- *
- * The syntax is like the Unix write command.
- * This code was borrowed from my Kermit source -- ckdtio.c
- */
-
- dg_binw(channel,chs,len) int channel, len; char *chs;
- {
- int ac2,err;
-
- if (len == 0) return(0);
-
- w_io_parms.ich = channel;
- w_io_parms.ibad = chs;
- w_io_parms.ircl = len;
- ac2 = &w_io_parms;
-
- if ((err = sys_write(ac2)) == 0) return(0);
-
- if ( err != ERLTL && err != EREOF ) {
- perror("dg_binw: sys_write ");
- exit(err);
- }
- }
- #endif
-
-