libpwdgrp: getgrXXX: empty string is not a member name, do not store it

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/libpwdgrp/pwd_grp.c b/libpwdgrp/pwd_grp.c
index 2392e7d22..65fd5261d 100644
--- a/libpwdgrp/pwd_grp.c
+++ b/libpwdgrp/pwd_grp.c
@@ -297,7 +297,10 @@ static void *convert_to_struct(struct passdb *db,
 
                         ((struct group *)result)->gr_mem = members;
                         while (--i >= 0) {
-                                *members++ = buffer;
+                                if (buffer[0]) {
+                                        *members++ = buffer;
+                                        // bb_error_msg("member[]='%s'", buffer);
+                                }
                                 buffer += strlen(buffer) + 1;
                         }
                         *members = NULL;