Use p==NULL not !p (in if statements, mainly)

Reviewed-by: Tim Hudson <tjh@openssl.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/demos/pkcs12/pkread.c b/demos/pkcs12/pkread.c
index f4a3df4079..1086dbc463 100644
--- a/demos/pkcs12/pkread.c
+++ b/demos/pkcs12/pkread.c
@@ -22,7 +22,7 @@ int main(int argc, char **argv)
     }
     OpenSSL_add_all_algorithms();
     ERR_load_crypto_strings();
-    if (!(fp = fopen(argv[1], "rb"))) {
+    if ((fp = fopen(argv[1], "rb")) == NULL) {
         fprintf(stderr, "Error opening file %s\n", argv[1]);
         exit(1);
     }
@@ -39,7 +39,7 @@ int main(int argc, char **argv)
         exit(1);
     }
     PKCS12_free(p12);
-    if (!(fp = fopen(argv[3], "w"))) {
+    if ((fp = fopen(argv[3], "w")) == NULL) {
         fprintf(stderr, "Error opening file %s\n", argv[1]);
         exit(1);
     }
diff --git a/demos/pkcs12/pkwrite.c b/demos/pkcs12/pkwrite.c
index fed773ea76..34e82dd6b9 100644
--- a/demos/pkcs12/pkwrite.c
+++ b/demos/pkcs12/pkwrite.c
@@ -20,7 +20,7 @@ int main(int argc, char **argv)
     }
     SSLeay_add_all_algorithms();
     ERR_load_crypto_strings();
-    if (!(fp = fopen(argv[1], "r"))) {
+    if ((fp = fopen(argv[1], "r")) == NULL) {
         fprintf(stderr, "Error opening file %s\n", argv[1]);
         exit(1);
     }
@@ -34,7 +34,7 @@ int main(int argc, char **argv)
         ERR_print_errors_fp(stderr);
         exit(1);
     }
-    if (!(fp = fopen(argv[4], "wb"))) {
+    if ((fp = fopen(argv[4], "wb")) == NULL) {
         fprintf(stderr, "Error opening file %s\n", argv[1]);
         ERR_print_errors_fp(stderr);
         exit(1);