uudecode: fix buggy check for empty filename

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

1 files changed, 3 insertions, 2 deletions

diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 6ecfe6cef..23ff711fa 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -125,10 +125,11 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv)
                 mode = bb_strtou(line_ptr, NULL, 8);
                 if (outname == NULL) {
                         outname = strchr(line_ptr, ' ');
-                        if ((outname == NULL) || (*outname == '\0')) {
+                        if (!outname)
                                 break;
-                        }
                         outname++;
+                        if (!outname[0])
+                                break;
                 }
                 dst_stream = stdout;
                 if (NOT_LONE_DASH(outname)) {