openssl_strerror_r: Fix handling of GNU strerror_r

[openssl.git] / apps / rand.c

diff --git a/apps/rand.c b/apps/rand.c
index 34550065c0a8e426de5ae3176eb911e70ece14ce..4c6181507bd5af6de183cd8004d1e8579d59441f 100644 (file)
--- a/apps/rand.c
+++ b/apps/rand.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1998-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -8,6 +8,7 @@
  */
 
 #include "apps.h"
+#include "progs.h"
 
 #include <ctype.h>
 #include <stdio.h>
@@ -77,9 +78,13 @@ int rand_main(int argc, char **argv)
     }
     argc = opt_num_rest();
     argv = opt_rest();
-
-    if (argc != 1 || !opt_int(argv[0], &num) || num < 0)
+    if (argc == 1) {
+        if (!opt_int(argv[0], &num) || num <= 0)
+            goto end;
+    } else if (argc > 0) {
+        BIO_printf(bio_err, "Extra arguments given.\n");
         goto opthelp;
+    }
 
     out = bio_open_default(outfile, 'w', format);
     if (out == NULL)
@@ -98,7 +103,7 @@ int rand_main(int argc, char **argv)
 
         chunk = num;
         if (chunk > (int)sizeof(buf))
-            chunk = sizeof buf;
+            chunk = sizeof(buf);
         r = RAND_bytes(buf, chunk);
         if (r <= 0)
             goto end;
@@ -124,5 +129,5 @@ int rand_main(int argc, char **argv)
         ERR_print_errors(bio_err);
     release_engine(e);
     BIO_free_all(out);
-    return (ret);
+    return ret;
 }