Newsgroups: comp.binaries.ibm.pc.d
Path: utzoo!utgpu!cunews!bnrgate!bigsur!bcars53!mussar
From: mussar@bcars53.uucp (G. Mussar)
Subject: Re: uudecoding blues
Message-ID: <1991Apr17.034511.26074@bigsur.uucp>
Sender: news@bigsur.uucp
Reply-To: mussar@bnr.ca (G. Mussar)
Organization: Bell-Northern Research, Ottawa, Canada
References: <1991Apr14.035919.8473@magnus.acs.ohio-state.edu>
Distribution: na
Date: Wed, 17 Apr 91 03:45:11 GMT


In article <1991Apr14.035919.8473@magnus.acs.ohio-state.edu> skesterk@magnus.acs.ohio-state.edu (Shane Kesterke) writes:
>Does anyone know how to keep trailing spaces in uuencoded files from
>getting stripped off? Everytime I get a uuencoded e-mail message I keep
>getting "short file" whenever I try to uudecode it and I'm sure it's
>because the trailing spaces get stripped off. I've got a lot of really nice  
>stuff uuencoded and I can't get to it. Can anyone help me?!

I can't keep the trailing blanks from being stripped off, but I can make
uudecode much more forgiving in the face of trailing blanks. Try the following
diff against the C version of uudecode recently posted by Keith Peterson.


*** old.c	Tue Apr 16 23:43:50 1991
--- uudecode.c	Sat Apr 13 23:11:51 1991
***************
*** 32,37 ****
--- 32,40 ----
   * but other programs such as zoo or arc may or may not require the file
   * to be "BILFed" (or "unBILFed" or whatever).  Also, unlike the other
   * flavors, VMS files don't get overwritten (a higher version is created).
+  * 
+  * Modified 13 April 1991 by Gary Mussar to be forgiving of systems that
+  * appear to be stripping trailing blanks.
   */
  
  #ifndef lint
***************
*** 156,162 ****
  {
  	char buf[80];
  	char *bp;
! 	int n;
  
  	for (;;) {
  		/* for each input line */
--- 159,165 ----
  {
  	char buf[80];
  	char *bp;
! 	int n, i, expected;
  
  	for (;;) {
  		/* for each input line */
***************
*** 165,172 ****
  			exit(10);
  		}
  		n = DEC(buf[0]);
! 		if (n <= 0)
  			break;
  
  		bp = &buf[1];
  		while (n > 0) {
--- 168,179 ----
  			exit(10);
  		}
  		n = DEC(buf[0]);
! 		if ((n <= 0) || (buf[0] == '\n'))
  			break;
+ 
+ 		/* Calculate expected # of chars and pad if necessary */
+ 		expected = ((n+2)/3)<<2;
+ 		for (i = strlen(buf)-1; i <= expected; i++) buf[i] = ' ';
  
  		bp = &buf[1];
  		while (n > 0) {
--
-------------------------------------------------------------------------------
Gary Mussar  |Internet:  mussar@bnr.ca                |  Phone: (613) 763-4937
BNR Ltd.     |                                        |  FAX:   (613) 763-2626