+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+#include "error.h"
+#include "exitfail.h"
+#include "xalloc.h"
+
+#ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#endif
+
+/* The following tests require AC_PREREQ(2.54). */
+
+#ifndef HAVE_MALLOC
+"you must run the autoconf test for a GNU libc compatible malloc"
+#endif
+
+#ifndef HAVE_REALLOC
+"you must run the autoconf test for a GNU libc compatible realloc"
+#endif
+
+/* If non NULL, call this function when memory is exhausted. */
+void (*xalloc_fail_func) (void) = 0;
+
+/* If XALLOC_FAIL_FUNC is NULL, or does return, display this message
+ before exiting when memory is exhausted. Goes through gettext. */
+char const xalloc_msg_memory_exhausted[] = N_("memory exhausted");
+
+void
+xalloc_die (void)
+{
+ if (xalloc_fail_func)
+ (*xalloc_fail_func) ();
+ error (exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted));
+ /* The `noreturn' cannot be given to error, since it may return if
+ its first argument is 0. To help compilers understand the
+ xalloc_die does terminate, call exit. */
+ exit (EXIT_FAILURE);
+}