kdq@demott.COM (Kevin D. Quitt) (11/17/90)
You asked for it:
O /
-----------------X---------------- Cut Here
O \
/*
* 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.
*/
/*
* Modified 12 April 1990 by Mark Adler for use on MSDOS systems with
* Microsoft C and Turbo C.
*/
/*
16-Nov-90 17:06:52, [DME]s:\uudecode.c, Edit 901116170652 by KDQ
ANSIfied, correct for SYSV and MSDOS
*/
#ifndef lint
static char sccsid[] = "@(#)uuencode.c 5.6 (Berkeley) 7/6/88";
#endif /* not lint */
#ifndef MSDOS /* For Microsoft C */
#ifdef __MSDOS__ /* For Turbo C */
#define MSDOS
#endif
#endif
/*
* uuencode [input] output
*
* Encode a file so it can be mailed to a remote system.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef MSDOS
#include <stdlib.h>
#include <string.h>
#include <io.h>
#endif
/* ENC is the basic 1 character encoding function to make a char printing */
#define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
/*
* output one group of 3 bytes, pointed at by p, on file f.
*/
outdec( 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);
}
/*
* copy from in to out, encoding as you go along.
*/
encode( 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;
}
}
main(int argc, char **argv )
{
FILE *in;
struct stat sbuf;
int mode;
/* optional 1st argument */
if (argc > 2) {
#ifdef MSDOS
if ((in = fopen(argv[1], "rb")) == NULL) { /* Binary file */
#else
if ((in = fopen(argv[1], "r")) == NULL) {
#endif
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);
}
O /
-----------------X---------------- Cut Here
O \
#ifndef lint
static char sccsid[] = "@(#)uudecode.c 5.3 (Berkeley) 4/10/85";
#endif
/*
16-Nov-90 17:06:52, [DME]s:\uudecode.c, Edit 901116170652 by KDQ
ANSIfied, correct for SYSV and MSDOS
*/
#ifndef MSDOS /* For Microsoft C */
#ifdef __MSDOS__ /* For Turbo C */
#define MSDOS
#endif
#endif
/*
* uudecode [input]
*
* create the specified file, decoding as you go.
* used with uuencode.
*/
#include <stdio.h>
#ifndef MSDOS
#include <pwd.h>
#else
#include <stdlib.h>
#include <string.h>
#include <io.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
/* single character decode */
#define DEC(c) (((c) - ' ') & 077)
/*
* output a group of 3 bytes (4 input characters).
* the input chars are pointed to by p, they are to
* be output to file f. n is used to tell us not to
* output all of them at the end of the file.
*/
outdec( char *p, FILE *f, int n )
{
int c1, c2, c3;
c1 = DEC(*p) << 2 | DEC(p[1]) >> 4;
c2 = DEC(p[1]) << 4 | DEC(p[2]) >> 2;
c3 = DEC(p[2]) << 6 | DEC(p[3]);
if (n >= 1)
putc(c1, f);
if (n >= 2)
putc(c2, f);
if (n >= 3)
putc(c3, f);
}
/*
* copy from in to out, decoding as you go along.
*/
decode( FILE *in, FILE *out )
{
char buf[80];
char *bp;
int n;
for (;;) {
/* for each input line */
if (fgets(buf, sizeof buf, in) == NULL) {
printf("Short file\n");
exit(10);
}
n = DEC(buf[0]);
if (n <= 0)
break;
bp = &buf[1];
while (n > 0) {
outdec(bp, out, n);
bp += 4;
n -= 3;
}
}
}
/* 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);
}
/*
* Return the ptr in sp at which the character c appears;
* NULL if not found
*/
char *
index(sp, c)
register char *sp, c;
{
do {
if (*sp == c)
return(sp);
} while (*sp++);
return(NULL);
}
main(argc, argv)
char **argv;
{
FILE *in, *out;
int mode;
char dest[128];
char buf[80];
/* optional input arg */
if (argc > 1) {
if ((in = fopen(argv[1], "r")) == NULL) {
perror(argv[1]);
exit(1);
}
argv++; argc--;
} else
in = stdin;
if (argc != 1) {
printf("Usage: uudecode [infile]\n");
exit(2);
}
/* search for header line */
for (;;) {
if (fgets(buf, sizeof buf, in) == NULL) {
fprintf(stderr, "No begin line\n");
exit(3);
}
if (strncmp(buf, "begin ", 6) == 0)
break;
}
sscanf(buf, "begin %o %s", &mode, dest);
#ifndef MSDOS
/* handle ~user/file format */
if (dest[0] == '~') {
char *sl;
struct passwd *getpwnam();
char *index();
struct passwd *user;
char dnbuf[100];
sl = index(dest, '/');
if (sl == NULL) {
fprintf(stderr, "Illegal ~user\n");
exit(3);
}
*sl++ = 0;
user = getpwnam(dest+1);
if (user == NULL) {
fprintf(stderr, "No such user as %s\n", dest);
exit(4);
}
strcpy(dnbuf, user->pw_dir);
strcat(dnbuf, "/");
strcat(dnbuf, sl);
strcpy(dest, dnbuf);
}
#endif
/* create output file */
#ifndef MSDOS
out = fopen(dest, "w");
#else
out = fopen(dest, "wb");
#endif
if (out == NULL) {
perror(dest);
exit(4);
}
chmod(dest, mode);
decode(in, out);
if (fgets(buf, sizeof buf, in) == NULL || strcmp(buf, "end\n")) {
fprintf(stderr, "No end line\n");
exit(5);
}
exit(0);
}
O /
-----------------X---------------- Cut Here
O \
Have fun!
--
_
Kevin D. Quitt demott!kdq kdq@demott.com
DeMott Electronics Co. 14707 Keswick St. Van Nuys, CA 91405-1266
VOICE (818) 988-4975 FAX (818) 997-1190 MODEM (818) 997-4496 PEP last
96.37% of all statistics are made up.