home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #if !defined(_lint)
- static char rcsid[] OPTIONAL = "$Id: uuencode.c,v 1.7 1997/07/31 00:44:20 root Exp root $";
- #endif
-
- /*
- * uuencode [input] output
- *
- * Encode a file so it can be mailed to a remote system.
- */
- #include <stdio.h>
- #ifndef _lint
- #include <stdlib.h>
- #endif
- #include <sys/types.h>
- #include <sys/stat.h>
-
- #ifdef NOPE
- /* ENC is the basic 1 character encoding function to make a char printing */
- #define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
- #else
- /* ENC is the basic 1 character encoding function to make a char printing */
- #define ENC(c) (((c) & 077) + ' ')
- #endif
-
- main(argc, argv)
- char **argv;
- {
- FILE *in;
- struct stat sbuf;
- int mode;
-
- /* optional 1st argument */
- if (argc > 2) {
- if ((in = fopen(argv[1], "rb")) == NULL) {
- perror(argv[1]);
- exit(1);
- }
- argv++; argc--;
- } else
- in = stdin;
-
- if (argc != 2) {
- fprintf(stderr,"Usage: uuencode [infile] remotefile\n");
- exit(2);
- }
-
- /* figure out the input file mode */
- if (fstat(fileno(in), &sbuf) < 0 || !isatty(fileno(in)))
- mode = 0666 & ~umask(0666);
- else
- mode = sbuf.st_mode & 0777;
- printf("begin %o %s\n", mode, argv[1]);
-
- encode(in, stdout);
-
- printf("end\n");
- exit(0);
- }
-
- /*
- * copy from in to out, encoding as you go along.
- */
- encode(in, out)
- register FILE *in;
- register FILE *out;
- {
- char buf[80];
- register int i, n;
-
- for (;;) {
- /* 1 (up to) 45 character line */
- n = fread(buf, 1, 45, in);
- putc(ENC(n), out);
-
- for (i=0; i<n; i += 3)
- outdec(&buf[i], out);
-
- putc('\n', out);
- if (n <= 0)
- break;
- }
- }
-
- /*
- * output one group of 3 bytes, pointed at by p, on file f.
- */
- outdec(p, f)
- register char *p;
- register FILE *f;
- {
- register 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);
- }
-