Fixup demo exit status magic numbers

[thirdparty/openssl.git] / demos / cms / cms_denc.c

diff --git a/demos/cms/cms_denc.c b/demos/cms/cms_denc.c
index 852671771c7aecff7bec1c9d19e2ab0e1e8c7f8f..4fbd72aae548f0415b431a15a5b101a8d6a3abba 100644 (file)
--- a/demos/cms/cms_denc.c
+++ b/demos/cms/cms_denc.c
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
 /*
  * S/MIME detached data encrypt example: rarely done but should the need
  * arise this is an example....
@@ -12,7 +21,7 @@ int main(int argc, char **argv)
     X509 *rcert = NULL;
     STACK_OF(X509) *recips = NULL;
     CMS_ContentInfo *cms = NULL;
-    int ret = 1;
+    int ret = EXIT_FAILURE;
 
     int flags = CMS_STREAM | CMS_DETACHED;
 
@@ -37,8 +46,8 @@ int main(int argc, char **argv)
         goto err;
 
     /*
-     * sk_X509_pop_free will free up recipient STACK and its contents so set
-     * rcert to NULL so it isn't freed up twice.
+     * OSSL_STACK_OF_X509_free() free up recipient STACK and its contents
+     * so set rcert to NULL so it isn't freed up twice.
      */
     rcert = NULL;
 
@@ -68,27 +77,19 @@ int main(int argc, char **argv)
     if (!PEM_write_bio_CMS(out, cms))
         goto err;
 
-    ret = 0;
-
+    ret = EXIT_SUCCESS;
  err:
-
-    if (ret) {
+    if (ret != EXIT_SUCCESS) {
         fprintf(stderr, "Error Encrypting Data\n");
         ERR_print_errors_fp(stderr);
     }
 
-    if (cms)
-        CMS_ContentInfo_free(cms);
-    if (rcert)
-        X509_free(rcert);
-    if (recips)
-        sk_X509_pop_free(recips, X509_free);
-
+    CMS_ContentInfo_free(cms);
+    X509_free(rcert);
+    OSSL_STACK_OF_X509_free(recips);
     BIO_free(in);
     BIO_free(out);
     BIO_free(dout);
     BIO_free(tbio);
-
     return ret;
-
 }