diff options
Diffstat (limited to 'usr.bin/uuencode/uuencode.c')
| -rw-r--r-- | usr.bin/uuencode/uuencode.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/usr.bin/uuencode/uuencode.c b/usr.bin/uuencode/uuencode.c new file mode 100644 index 0000000..774cee9 --- /dev/null +++ b/usr.bin/uuencode/uuencode.c @@ -0,0 +1,150 @@ +/*- + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +char copyright[] = +"@(#) Copyright (c) 1983, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94"; +#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> + +int +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); +} |
