diff options
Diffstat (limited to 'apps/cms.c')
| -rw-r--r-- | apps/cms.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/apps/cms.c b/apps/cms.c index 58ce54e454..714cf3e4ff 100644 --- a/apps/cms.c +++ b/apps/cms.c @@ -278,6 +278,8 @@ static void warn_binary(const char *file) unsigned char linebuf[1024], *cur, *end; int len; + if (file == NULL) + return; /* cannot give a warning for stdin input */ if ((bio = bio_open_default(file, 'r', FORMAT_BINARY)) == NULL) return; /* cannot give a proper warning since there is an error */ while ((len = BIO_read(bio, linebuf, sizeof(linebuf))) > 0) { |