/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * 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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)uuencode.c 5.9 (Berkeley) 6/1/90"; #endif /* not lint */ /* * uuencode [input] output * * Encode a file so it can be mailed to a remote system. */ #include <sys/types.h> #include <sys/stat.h> #include <stdio.h> main(argc, argv) int argc; char **argv; { extern int optind; extern int errno; struct stat sb; int mode; char *strerror(); while (getopt(argc, argv, "") != EOF) usage(); argv += optind; argc -= optind; switch(argc) { case 2: /* optional first argument is input file */ if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) { (void)fprintf(stderr, "uuencode: %s: %s.\n", *argv, strerror(errno)); exit(1); } #define RWX (S_IRWXU|S_IRWXG|S_IRWXO) mode = sb.st_mode & RWX; ++argv; break; case 1: #define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) mode = RW & ~umask(RW); break; case 0: default: usage(); } (void)printf("begin %o %s\n", mode, *argv); encode(); (void)printf("end\n"); if (ferror(stdout)) { (void)fprintf(stderr, "uuencode: write error.\n"); exit(1); } exit(0); } /* ENC is the basic 1 character encoding function to make a char printing */ #define ENC(c) ((c) ? ((c) & 077) + ' ': '`') /* * copy from in to out, encoding as you go along. */ encode() { register int ch, n; register char *p; char buf[80]; while (n = fread(buf, 1, 45, stdin)) { ch = ENC(n); if (putchar(ch) == EOF) break; for (p = buf; n > 0; n -= 3, p += 3) { ch = *p >> 2; ch = ENC(ch); if (putchar(ch) == EOF) break; ch = (*p << 4) & 060 | (p[1] >> 4) & 017; ch = ENC(ch); if (putchar(ch) == EOF) break; ch = (p[1] << 2) & 074 | (p[2] >> 6) & 03; ch = ENC(ch); if (putchar(ch) == EOF) break; ch = p[2] & 077; ch = ENC(ch); if (putchar(ch) == EOF) break; } if (putchar('\n') == EOF) break; } if (ferror(stdin)) { (void)fprintf(stderr, "uuencode: read error.\n"); exit(1); } ch = ENC('\0'); (void)putchar(ch); (void)putchar('\n'); } usage() { (void)fprintf(stderr,"usage: uuencode [infile] remotefile\n"); exit(1); }