build,tests: Fix leaks of memory or file pointer.

* src/mkheader.c (parse_config_h): Close FP.
* tests/t-b64.c (test_b64enc_string): Free STATE.
(test_b64dec_string): Free BUFFER.
* tests/t-syserror.c (main): Close FP.

--

GnuPG-bug-id: 5381
Signed-off-by: Jakub Jelen <[email protected]>

3 files changed, 4 insertions, 0 deletions

diff --git a/src/mkheader.c b/src/mkheader.c
index 77826da..1d2ea20 100644
--- a/src/mkheader.c
+++ b/src/mkheader.c
@@ -244,6 +244,7 @@ parse_config_h (const char *fname)
     {
       fprintf (stderr, "%s:%d: error reading file: %s\n",
                fname, lnr, strerror (errno));
+      fclose (fp);
       return 1;
     }
 
diff --git a/tests/t-b64.c b/tests/t-b64.c
index 0171909..db08fc0 100644
--- a/tests/t-b64.c
+++ b/tests/t-b64.c
@@ -108,6 +108,7 @@ test_b64enc_string (const char *string, const char *expected, const char *title)
   err = gpgrt_b64enc_write (state, string, strlen (string));
   if (err)
     {
+      free (state);
       fail ("gpgrt_b64enc_write failed: %s\n", gpg_strerror (err));
       return err;
     }
@@ -191,6 +192,7 @@ test_b64dec_string (const char *string, const char *expected, const char *title)
           gpgrt_log_debug_string (expected, "expect(len=%zu): ",
                                   strlen (expected));
         }
+      free (buffer);
       return GPG_ERR_FALSE;
     }
 
diff --git a/tests/t-syserror.c b/tests/t-syserror.c
index a4cb983..93264dd 100644
--- a/tests/t-syserror.c
+++ b/tests/t-syserror.c
@@ -49,6 +49,7 @@ main (int argc, char *argv[])
     }
   if (fp)
     {
+      fclose (fp);
       fprintf (stderr, "unable to run test\n");
       return 1;
     }