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;