-check return values

diff --git a/src/transport/gnunet-transport-certificate-creation.c b/src/transport/gnunet-transport-certificate-creation.c
index f7deb1206f83b61368eb1fedeba9aaf03bd1fe80..5ecc7de42c0f7f71156ca09bb054ae19bf8ac3b0 100644 (file)
--- a/src/transport/gnunet-transport-certificate-creation.c
+++ b/src/transport/gnunet-transport-certificate-creation.c
@@ -22,7 +22,6 @@
  * @file transport/gnunet-transport-certificate-creation.c
  * @brief create certificate for HTTPS transport
  * @author LRN
- *
  */
 #include "platform.h"
 #include "gnunet_disk_lib.h"
@@ -32,15 +31,19 @@
 static void
 removecerts (const char *file1, const char *file2)
 {
-  if (GNUNET_DISK_file_test (file1) == GNUNET_YES)
+  if (GNUNET_YES == GNUNET_DISK_file_test (file1))
   {
-    CHMOD (file1, S_IWUSR | S_IRUSR);
-    REMOVE (file1);
+    if (0 != CHMOD (file1, S_IWUSR | S_IRUSR))
+      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", file1);
+    if (0 != REMOVE (file1))
+      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "remove", file1);
   }
-  if (GNUNET_DISK_file_test (file2) == GNUNET_YES)
+  if (GNUNET_YES == GNUNET_DISK_file_test (file2))
   {
-    CHMOD (file2, S_IWUSR | S_IRUSR);
-    REMOVE (file2);
+    if (0 != CHMOD (file2, S_IWUSR | S_IRUSR))
+      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", file2);
+    if (0 != REMOVE (file2))
+      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "remove", file2);
   }
 }
 
@@ -50,7 +53,7 @@ main (int argc, char **argv)
 {
   struct GNUNET_OS_Process *openssl;
 
-  if (argc != 3)
+  if (3 != argc)
     return 1;
   removecerts (argv[1], argv[2]);
   (void) close (2);                    /* eliminate stderr */
@@ -59,9 +62,9 @@ main (int argc, char **argv)
   openssl =
       GNUNET_OS_start_process (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, "openssl", "openssl", "genrsa",
                                "-out", argv[1], "1024", NULL);
-  if (openssl == NULL)
+  if (NULL == openssl)
     return 2;
-  GNUNET_assert (GNUNET_OS_process_wait (openssl) == GNUNET_OK);
+  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (openssl));
   GNUNET_OS_process_destroy (openssl);
 
   /* Create a self-signed certificate in batch mode using rsa key */
@@ -70,12 +73,14 @@ main (int argc, char **argv)
       GNUNET_OS_start_process (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, "openssl", "openssl", "req",
                                "-batch", "-days", "365", "-out", argv[2],
                                "-new", "-x509", "-key", argv[1], NULL);
-  if (openssl == NULL)
+  if (NULL == openssl)
     return 3;
-  GNUNET_assert (GNUNET_OS_process_wait (openssl) == GNUNET_OK);
+  GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (openssl));
   GNUNET_OS_process_destroy (openssl);
-  CHMOD (argv[1], S_IRUSR);
-  CHMOD (argv[2], S_IRUSR);
+  if (0 != CHMOD (argv[1], S_IRUSR))
+    GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", argv[1]);
+  if (0 != CHMOD (argv[2], S_IRUSR))
+    GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", argv[2]);
   return 0;
 }