Mike Gran <spk...@yahoo.com> skribis:
> Here's a fun message specific to your hack.
>
> scheme@(guile-user)> (getgroups)
> ERROR: In procedure getgroups:
> ERROR: In procedure getgroups: Success
Heh, funny. :-)
Actually you found a bug, fixed like this:
diff --git a/libguile/posix.c b/libguile/posix.c
index 324f21b..52ade13 100644
--- a/libguile/posix.c
+++ b/libguile/posix.c
@@ -265,8 +265,10 @@ SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0,
GETGROUPS_T *groups;
ngroups = getgroups (0, NULL);
- if (ngroups <= 0)
+ if (ngroups < 0)
SCM_SYSERROR;
+ else if (ngroups == 0)
+ return scm_c_make_vector (0, SCM_BOOL_F);
size = ngroups * sizeof (GETGROUPS_T);
groups = scm_malloc (size);
Thanks!
Ludo’.
