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###################################################################
# Added by Tavis Ormandy <taviso@gentoo.org> 01/05/2003
# Reproduce with
#
# $ xargs <<< ${EMTPY_VARIABLE}
# Segmentation fault.
#
# note: bash will still give you a "\n" with this patch, but this is
# standard behaviour, if you need proof:
#
# $ wc -l <<< ""
###############################
diff -u bash-2.05b.orig/redir.c bash-2.05b/redir.c
--- bash-2.05b.orig/redir.c 2002-03-12 20:27:38.000000000 +0000
+++ bash-2.05b/redir.c 2003-05-01 13:04:07.000000000 +0100
@@ -263,8 +263,10 @@
int herelen, n, e;
herestr = expand_string_to_string (redirectee->word, 0);
- herelen = strlen (herestr);
+ /* verify string wasnt empty */
+ herelen = (herestr == NULL) ? 0 : strlen (herestr);
+
n = write (fd, herestr, herelen);
if (n == herelen)
{
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