104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 2000-2002 Proofpoint, 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 1.19 2013-11-22 20:51:44 ca 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();
|
|
}
|