From:	TerryL AT ultimatetechnology DOT com (Lincoln, W. Terry)
Subject:	RE: uudecode?
21 Jan 1999 21:31:53 -0800 :
Message-ID:	<9901211614.AA18911.cygnus.gnu-win32@net2.netacc.net>
Mime-Version:	1.0
To:	John Cooper <John DOT Cooper AT citrix DOT com>,
	"'gnu-win32 mail list'" <gnu-win32 AT cygnus DOT com>

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All,

The source code that was submitted uses an uninitialized variable and it   
will generate garbage on some compilers.
See:
 ------------------------------------------------------cut here:   
uuencode.c
#include <stdio.h>
#define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
static int uuencode(char *nom)  /* nom means 'name' in french :-) */
{
    int ch, n, idx;
/*      ^^
**  Declaration */
    register char *p;
    char buf[80], outbuf[250];
    FILE *in;

    if ((in = fopen(nom, "rb")) == NULL)
        return 1;  /* please add some error checking/reporting */
    printf("begin 0666 %s\n",nom);/* note: no attempt to fake any   
permissions
*/
    while ((n = fread(buf, 1, 45, in)) != 0) {
        idx = 0;
        outbuf[idx++] = ENC(ch);
/*                          ^^ first use.
    Where is first initialization? */
        for (p = buf; n > 0; n -= 3, p += 3) {
            ch = *p >> 2;
            ch = ENC(ch);
            outbuf[idx++] = ch;
            ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
            ch = ENC(ch);
            outbuf[idx++] = ch;
            ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
            ch = ENC(ch);
            outbuf[idx++] = ch;
            ch = p[2] & 077;
            ch = ENC(ch);
            outbuf[idx++] = ch;
        }
        outbuf[idx++] = '\n';
        outbuf[idx] = 0;
        printf("%s", outbuf);
    }
    printf("%c\nend\n", ENC(0));
    fclose(in);
    return 0;
}

W. Terry Lincoln                    \     \ | | /
Senior Engineer                      \     _| |_
Ultimate Technology Corporation       \   |_   _|
division of Tridex(NASDAQ/trdx)        \    | |
WTerryLincoln AT engineer DOT com              \ / | | \
http://www.angelfile.com/ny/TerryLincoln \  | |
==========================================  ~~~
Opinions expressed do not represent the management
of UTC.



 -----Original Message-----
From: John Cooper [mailto:John DOT Cooper AT citrix DOT com]
Sent: Wednesday, January 20, 1999 2:23 PM
To: root
Cc: John Cooper; gnu-win32
Subject: Re: uudecode?


 ----------------------------------------------------
root AT jacob DOT remcomp DOT fr (root) writes:

 > Let's stop this uuencode/decode discussion.  Here are two small little
 > programs in that old but powerful language we all know somehow.

This source simply doesn't work for me - it generates all sorts of   
different
characters at the beginning of encoded lines, rather than the "M" that I   
see
with most uuencoders.

I finally pulled over the sharutils-4.2 source, got that to build under   
NT and
then carefully enabled (or disabled) the binary flag on the fopen calls.   
 It
now seems to work fine - without mucking with mounts or using bash (I   
prefer
zsh).

Thanks for all the ideas...

    --- John

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