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/*
* Copyright (c) 2000-2002 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 1.18 2002/03/13 17:29:53 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();
}
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