2 * Copyright (c) 2000-2002 Proofpoint, Inc. and its suppliers.
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
11 SM_IDSTR(id, "@(#)$Id: t-types.c,v 1.19 2013-11-22 20:51:44 ca Exp $")
13 #include <sm/limits.h>
15 #include <sm/string.h>
25 LONGLONG_T volatile lt;
30 sm_test_begin(argc, argv, "test standard integral types");
32 SM_TEST(sizeof(LONGLONG_T) == sizeof(ULONGLONG_T));
35 ** sendmail assumes that ino_t, off_t and void* can be cast
36 ** to ULONGLONG_T without losing information.
39 if (!SM_TEST(sizeof(ino_t) <= sizeof(ULONGLONG_T)) ||
40 !SM_TEST(sizeof(off_t) <= sizeof(ULONGLONG_T)) ||
41 !SM_TEST(sizeof(void*) <= sizeof(ULONGLONG_T)))
43 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\
44 Your C compiler appears to support a 64 bit integral type,\n\
45 but libsm is not configured to use it. You will need to set\n\
46 either SM_CONF_LONGLONG or SM_CONF_QUAD_T to 1. See libsm/README\n\
47 for more details.\n");
51 ** Most compilers notice that LLONG_MIN - 1 generate an underflow.
52 ** Some compiler generate code that will use the 'X' status bit
53 ** in a CPU and hence (LLONG_MIN - 1 > LLONG_MIN) will be false.
54 ** So we have to decide whether we want compiler warnings or
56 ** Question: where do we really need what this test tests?
59 #if SM_CONF_TEST_LLONG
61 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "\
62 Your C compiler maybe issued a warning during compilation,\n\
63 please IGNORE the compiler warning!.\n");
66 sm_snprintf(buf, sizeof(buf), "%llx", ll);
68 if (!SM_TEST(buf[0] == '8')
69 || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1))
71 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
72 "oops: LLONG_MIN=%s\n", buf);
78 sm_snprintf(buf, sizeof(buf), "%llx", ll);
80 if (!SM_TEST(buf[0] == '7')
81 || !SM_TEST(strspn(&buf[1], r) == sizeof(ll) * 2 - 1))
83 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
84 "oops: LLONG_MAX=%s\n", buf);
86 #endif /* SM_CONF_TEST_LLONG */
89 SM_TEST(ull + 1 == 0);
90 sm_snprintf(buf, sizeof(buf), "%llx", ull);
92 SM_TEST(strspn(buf, r) == sizeof(ll) * 2);
95 ** If QUAD_MAX is defined by <limits.h> then quad_t is defined.
96 ** Make sure LONGLONG_T is at least as big as quad_t.
99 SM_TEST(QUAD_MAX <= LLONG_MAX);
102 return sm_test_end();