helo all!
I agree, it is abit off a bug. That should fix it (coding and writting from
my mobile, so sorry for bad style ;-)) :
cheers,
pg
---
builtins/alias.def | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/builtins/alias.def b/builtins/alias.def
index d760ceb..7a7b510 100644
--- a/builtins/alias.def
+++ b/builtins/alias.def
@@ -67,6 +67,9 @@ static void print_alias __P((alias_t *, int));
extern int posixly_correct;
+#define MAX_RECURSIONS 255
+static int recursion_count=0;
+
/* Hack the alias command in a Korn shell way. */
int
alias_builtin (list)
@@ -76,6 +79,10 @@ alias_builtin (list)
alias_t **alias_list, *t;
char *name, *value;
+ if (recursion_count>MAX_RECURSIONS) {
+ return EXECUTION_FAILURE;
+ }
+ recursion_count++;
dflags = posixly_correct ? 0 : AL_REUSABLE;
pflag = 0;
reset_internal_getopt ();
--
1.8.4
On Oct 10, 2013 11:50 AM, "Oliver J. Morais" <oliver.mor...@gmail.com>
wrote:
>
> [Thu, Oct 10, 2013 at 11:38:47AM +0200] Andreas Schwab
> > "Oliver J. Morais" <oliver.mor...@gmail.com> writes:
> > > Playing around with aliases, I stumbled over the following:
> > > $ alias alias="eval alias"
> > > $ alias foo=bar
> > You have created an infinite recursion, same as f() { f; }; f.
>
> Sure, but I think bash should not just crash, zsh for example catches
> this glitch:
>
> % alias alias="eval alias"
> % alias foo=bar
> zsh: job table full or recursion limit exceeded
>
> I know, bash != zsh and the eval-alias-foo is a silly thing to do,
> but crashing is a bug :)
>
