summaryrefslogtreecommitdiff
path: root/libguile/posix.c
diff options
context:
space:
mode:
authorAndy Wingo <wingo@pobox.com>2013-02-18 17:59:38 +0100
committerAndy Wingo <wingo@pobox.com>2013-02-18 17:59:38 +0100
commit9b977c836bf147d386944c401113aba32776fa68 (patch)
treed097e1a2376e26bc6b03447445ae239d5514a7a8 /libguile/posix.c
parent180ac9d7b0bac97bdead2813a1b0b23d19002c3e (diff)
parent739941679c2c7dc36c29c30aff7d4c1b436ba773 (diff)
downloadguile-9b977c836bf147d386944c401113aba32776fa68.tar.gz
Merge remote-tracking branch 'origin/stable-2.0'
Conflicts: libguile/array-handle.c libguile/deprecated.h libguile/inline.c libguile/inline.h module/ice-9/deprecated.scm module/language/tree-il/peval.scm
Diffstat (limited to 'libguile/posix.c')
-rw-r--r--libguile/posix.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libguile/posix.c b/libguile/posix.c
index b9097d41a..383ab76fd 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);