Re: strsignal on macOS

[Bruno Haible]

Martin Storsjö wrote:
> FAIL: test-strsignal

The cause is that strsignal (SIGHUP) here is "Hangup 1", not just "Hangup".

This patch fixes the test.


2020-12-02  Bruno Haible  <bruno@clisp.org>

        strsignal-tests: Fix test failure on macOS 10.13.
        Reported by Martin Storsjö <martin@martin.st> in
        <https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00003.html>.
        * tests/test-strsignal.c (ASSERT_DESCRIPTION): Allow the actual result
        to be longer than the expected result.

diff --git a/tests/test-strsignal.c b/tests/test-strsignal.c
index 0316d40..1f8aeba 100644
--- a/tests/test-strsignal.c
+++ b/tests/test-strsignal.c
@@ -28,10 +28,12 @@ SIGNATURE_CHECK (strsignal, char *, (int));
 #include "macros.h"
 
 #if HAVE_DECL_SYS_SIGLIST
-# define ASSERT_DESCRIPTION(got, expect)
+# define ASSERT_DESCRIPTION(actual, expected)
 #else
-/* In this case, we can guarantee some signal descriptions.  */
-# define ASSERT_DESCRIPTION(got, expect) ASSERT (!strcmp (got, expect))
+/* In this case, we can guarantee some signal descriptions.
+   But allow the actual result to be longer than the expected result.  */
+# define ASSERT_DESCRIPTION(actual, expected) \
+   ASSERT (strncmp (actual, expected, strlen (expected)) == 0)
 #endif
 
 int