wall: don't use gid_t when allocate grounps array

Reported-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/term-utils/wall.c b/term-utils/wall.c
index db85062a762488bf46d71b379cc197abf1358914..527e4b6dfcf52ec36272d5396fd8ea546c142fac 100644 (file)
--- a/term-utils/wall.c
+++ b/term-utils/wall.c
@@ -132,7 +132,7 @@ static struct group_workspace *init_group_workspace(const char *optarg)
 
        buf->requested_group = get_group_gid(optarg);
        buf->ngroups = sysconf(_SC_NGROUPS_MAX) + 1;  /* room for the primary gid */
-       buf->groups = xcalloc(sizeof(gid_t), buf->ngroups);
+       buf->groups = xcalloc(sizeof(*buf->groups), buf->ngroups);
 
        return buf;
 }