home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The CDPD Public Domain Collection for CDTV 4
/
CDPD_IV.bin
/
networking
/
uucp
/
amigauucpsrc
/
unix
/
uuencode.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-06-29
|
2KB
|
149 lines
/*
* UUENCODE.C
*
* $Header: Beta:src/uucp/src/compress/RCS/uuencode.c,v 1.1 90/02/02 11:48:04 dillon Exp Locker: dillon $
*
* uuencode [input] output
*
* Encode a file so it can be mailed to a remote system.
*/
#include <stdio.h>
#include "version.h"
#include "config.h"
IDENT(".00");
#ifdef UNIX
# include <sys/types.h>
# include <sys/stat.h>
#endif
#ifdef VMS
# include <types.h>
# include <stat.h>
#endif
/* ENC is the basic 1 character encoding function to make a char printing */
#define ENC(c) (((c) & 077) + ' ')
void outdec();
void encode();
void xerror();
void
main(argc, argv)
char **argv;
{
FILE *in;
#ifdef UNIX | VMS
struct stat sbuf;
#endif
int mode;
/* optional 1st argument */
if (argc > 2) {
if ((in = fopen(argv[1], "r")) == NULL) {
xerror(argv[1]);
exit(1);
}
argv++; argc--;
} else
in = stdin;
if (argc != 2) {
printf("Usage: uuencode [infile] remotefile\n");
exit(2);
}
/* figure out the input file mode */
#ifdef UNIX | VMS
fstat(fileno(in), &sbuf);
mode = sbuf.st_mode & 0777;
#endif
#ifdef AMIGA
mode = 0777;
#endif
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.
*/
void
encode(in, out)
FILE *in;
FILE *out;
{
char buf[80];
int i, n;
for (;;) {
/* 1 (up to) 45 character line */
n = fr(in, buf, 45);
putc(ENC(n), out);
for (i=0; i<n; i += 3)
outdec(&buf[i], out);
putc('X', out);
putc('\n', out);
if (n <= 0)
break;
}
}
/*
* output one group of 3 bytes, pointed at by p, on file f.
*/
void
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);
}
/* 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);
}
void
xerror(err)
char *err;
{
printf("Can not open file \"%s\"\n", err);
}