Upgrade to v1.4.19: replace contents with tarball

This preserves the Android-specific files, but replaces everything else
with the contents of the 1.4.19 tarball. The METADATA update is the only
change for the Android files, other updates will come in later changes.

Change-Id: I9699b0fe119e7542e17497da8e4a11380b78867e

1 files changed, 172 insertions, 0 deletions

diff --git a/tests/test-setlocale_null-mt-one.c b/tests/test-setlocale_null-mt-one.c
new file mode 100644
index 0000000..5f9b85b
--- /dev/null
+++ b/tests/test-setlocale_null-mt-one.c
@@ -0,0 +1,172 @@
+/* Multithread-safety test for setlocale_null_r (LC_xxx, ...).
+   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2019.  */
+
+#include <config.h>
+
+/* Work around GCC bug 44511.  */
+#if 4 < __GNUC__ + (3 <= __GNUC_MINOR__)
+# pragma GCC diagnostic ignored "-Wreturn-type"
+#endif
+
+#if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
+
+/* Specification.  */
+#include <locale.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "glthread/thread.h"
+
+/* We want to use the system's setlocale() function here, not the gnulib
+   override.  */
+#undef setlocale
+
+
+/* Some common locale names.  */
+
+#if defined _WIN32 && !defined __CYGWIN__
+# define ENGLISH "English_United States"
+# define GERMAN  "German_Germany"
+# define FRENCH  "French_France"
+# define ENCODING ".1252"
+#else
+# define ENGLISH "en_US"
+# define GERMAN  "de_DE"
+# define FRENCH  "fr_FR"
+# if defined __sgi
+#  define ENCODING ".ISO8859-15"
+# elif defined __hpux
+#  define ENCODING ".utf8"
+# else
+#  define ENCODING ".UTF-8"
+# endif
+#endif
+
+static const char LOCALE1[] = ENGLISH ENCODING;
+static const char LOCALE2[] = GERMAN ENCODING;
+static const char LOCALE3[] = FRENCH ENCODING;
+
+static char *expected;
+
+static void *
+thread1_func (void *arg)
+{
+  for (;;)
+    {
+      char buf[SETLOCALE_NULL_MAX];
+
+      if (setlocale_null_r (LC_NUMERIC, buf, sizeof (buf)))
+        abort ();
+      if (strcmp (expected, buf) != 0)
+        {
+          fprintf (stderr, "thread1 disturbed by thread2!\n"); fflush (stderr);
+          abort ();
+        }
+    }
+
+  /*NOTREACHED*/
+}
+
+static void *
+thread2_func (void *arg)
+{
+  for (;;)
+    {
+      char buf[SETLOCALE_NULL_MAX];
+
+      setlocale_null_r (LC_NUMERIC, buf, sizeof (buf));
+      setlocale_null_r (LC_TIME, buf, sizeof (buf));
+    }
+
+  /*NOTREACHED*/
+}
+
+int
+main (int argc, char *argv[])
+{
+  if (setlocale (LC_ALL, LOCALE1) == NULL)
+    {
+      fprintf (stderr, "Skipping test: LOCALE1 not recognized\n");
+      return 77;
+    }
+  if (setlocale (LC_NUMERIC, LOCALE2) == NULL)
+    {
+      fprintf (stderr, "Skipping test: LOCALE2 not recognized\n");
+      return 77;
+    }
+  if (setlocale (LC_TIME, LOCALE3) == NULL)
+    {
+      fprintf (stderr, "Skipping test: LOCALE3 not recognized\n");
+      return 77;
+    }
+
+  expected = strdup (setlocale (LC_NUMERIC, NULL));
+
+  /* Create the two threads.  */
+  gl_thread_create (thread1_func, NULL);
+  gl_thread_create (thread2_func, NULL);
+
+  /* Let them run for 2 seconds.  */
+  {
+    struct timespec duration;
+    duration.tv_sec = 2;
+    duration.tv_nsec = 0;
+
+    nanosleep (&duration, NULL);
+  }
+
+  return 0;
+}
+
+#else
+
+/* No multithreading available.  */
+
+#include <stdio.h>
+
+int
+main ()
+{
+  fputs ("Skipping test: multithreading not enabled\n", stderr);
+  return 77;
+}
+
+#endif
+
+/* Without locking, the results of this test would be:
+glibc                OK
+musl libc            OK
+macOS                OK
+FreeBSD              OK
+NetBSD               OK
+OpenBSD              crash < 1 sec
+AIX                  crash < 2 sec
+HP-UX                OK
+IRIX                 OK
+Solaris 10           OK
+Solaris 11.0         OK
+Solaris 11.4         OK
+Solaris OpenIndiana  OK
+Haiku                OK
+Cygwin               OK
+mingw                OK
+MSVC                 OK (assuming compiler option /MD !)
+*/