freebsd-ports/shells/bash2/files/patch-redir.c
David E. O'Brien edd5ce97c3 Avoid a null pointer dereference, so 'xargs <<< ${EMTPY_VARIABLE}'
will not segfault and dump core.

Submitted by:	Robert Nagy <robert@openbsd.org>
2004-06-20 22:37:22 +00:00

20 lines
612 B
C

Index: files/patch-redir.c
===================================================================
RCS file: files/patch-redir.c
diff -N files/patch-redir.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ files/patch-redir.c 20 Jun 2004 15:40:43 -0000
@@ -0,0 +1,11 @@
+--- redir.c.orig Sun Jun 20 18:00:47 2004
++++ redir.c Sun Jun 20 18:01:25 2004
+@@ -263,7 +263,7 @@
+ int herelen, n, e;
+
+ herestr = expand_string_to_string (redirectee->word, 0);
+- herelen = strlen (herestr);
++ herelen = (herestr == NULL) ? 0 : strlen (herestr);
+
+ n = write (fd, herestr, herelen);
+ if (n == herelen)