1 files changed, 103 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/t-types.c b/contrib/sendmail/libsm/t-types.c
new file mode 100644
index 0000000..b1adb0c
--- /dev/null
+++ b/contrib/sendmail/libsm/t-types.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
+ *	All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ */
+
+#include <sm/gen.h>
+SM_IDSTR(id, "@(#)$Id: t-types.c,v 1.16 2001/09/11 04:04:49 gshapiro Exp $")
+
+#include <sm/limits.h>
+#include <sm/io.h>
+#include <sm/string.h>
+#include <sm/test.h>
+#include <sm/types.h>
+
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	LONGLONG_T ll;
+	LONGLONG_T volatile lt;
+	ULONGLONG_T ull;
+	char buf[128];
+	char *r;
+
+	sm_test_begin(argc, argv, "test standard integral types");
+
+	SM_TEST(sizeof(LONGLONG_T) == sizeof(ULONGLONG_T));
+
+	/*
+	**  sendmail assumes that ino_t, off_t and void* can be cast
+	**  to ULONGLONG_T without losing information.
+	*/
+
+	if (!SM_TEST(sizeof(ino_t) <= sizeof(ULONGLONG_T)) ||
+	    !SM_TEST(sizeof(off_t) <= sizeof(ULONGLONG_T)) ||
+	    !SM_TEST(sizeof(void*) <= sizeof(ULONGLONG_T)))
+	{
+		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\
+Your C compiler appears to support a 64 bit integral type,\n\
+but libsm is not configured to use it.  You will need to set\n\
+either SM_CONF_LONGLONG or SM_CONF_QUAD_T to 1.  See libsm/README\n\
+for more details.\n");
+	}
+
+	/*
+	**  Most compilers notice that LLONG_MIN - 1 generate an underflow.
+	**  Some compiler generate code that will use the 'X' status bit
+	**  in a CPU and hence (LLONG_MIN - 1 > LLONG_MIN) will be false.
+	**  So we have to decide whether we want compiler warnings or
+	**  a wrong test...
+	**  Question: where do we really need what this test tests?
+	*/
+
+#if SM_CONF_TEST_LLONG
+	ll = LLONG_MIN;
+	(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\
+Your C compiler maybe issued a warning during compilation,\n\
+please IGNORE the compiler warning!.\n");
+	lt = LLONG_MIN - 1;
+	SM_TEST(lt > ll);
+	sm_snprintf(buf, sizeof(buf), "%llx", ll);
+	r = "0";
+	if (!SM_TEST(buf[0] == '8')
+	    || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1))
+	{
+		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
+			"oops: LLONG_MIN=%s\n", buf);
+	}
+
+	ll = LLONG_MAX;
+	lt = ll + 1;
+	SM_TEST(lt < ll);
+	sm_snprintf(buf, sizeof(buf), "%llx", ll);
+	r = "f";
+	if (!SM_TEST(buf[0] == '7')
+	    || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1))
+	{
+		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
+			"oops: LLONG_MAX=%s\n", buf);
+	}
+#endif /* SM_CONF_TEST_LLONG */
+
+	ull = ULLONG_MAX;
+	SM_TEST(ull + 1 == 0);
+	sm_snprintf(buf, sizeof(buf), "%llx", ull);
+	r = "f";
+	SM_TEST(strspn(buf, r) == sizeof(ll) * 2);
+
+	/*
+	**  If QUAD_MAX is defined by <limits.h> then quad_t is defined.
+	**  Make sure LONGLONG_T is at least as big as quad_t.
+	*/
+#ifdef QUAD_MAX
+	SM_TEST(QUAD_MAX <= LLONG_MAX);
+#endif
+
+	return sm_test_end();
+}