1/* Check _dl_debug_vdprintf.
2 Copyright The GNU Toolchain Authors.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <ldsodefs.h>
20#include <limits.h>
21#include <stdarg.h>
22#include <stdio.h>
23#include <support/check.h>
24#include <support/xunistd.h>
25
26#define BUFSZ 64
27
28#define TEST(fmt, ...) \
29 do \
30 { \
31 char str1[BUFSZ], str2[BUFSZ]; \
32 int len1 = snprintf (str1, BUFSZ, fmt, __VA_ARGS__); \
33 TEST_VERIFY_EXIT (len1 >= 0); \
34 TEST_VERIFY_EXIT (len1 < BUFSZ); \
35 _dl_dprintf (fds[1], fmt, __VA_ARGS__); \
36 ssize_t len2 = read (fds[0], str2, BUFSZ); \
37 TEST_VERIFY_EXIT (len2 >= 0); \
38 TEST_VERIFY_EXIT (len2 < BUFSZ); \
39 str2[len2] = '\0'; \
40 TEST_COMPARE_STRING (str1, str2); \
41 } \
42 while (0)
43
44static int
45do_test (void)
46{
47 int fds[2];
48 xpipe (fds);
49 TEST ("%d", 0);
50 TEST ("%d", 1);
51 TEST ("%d", INT_MAX);
52 TEST ("%d", -1);
53 TEST ("%d", INT_MIN + 1);
54 TEST ("%d", INT_MIN);
55 TEST ("%u", 0U);
56 TEST ("%u", 1U);
57 TEST ("%u", UINT_MAX);
58 TEST ("%x", 0);
59 TEST ("%x", 1);
60 TEST ("%x", UINT_MAX);
61 TEST ("%ld", 0L);
62 TEST ("%ld", 1L);
63 TEST ("%ld", LONG_MAX);
64 TEST ("%ld", -1L);
65 TEST ("%ld", LONG_MIN + 1);
66 TEST ("%ld", LONG_MIN);
67 TEST ("%lu", 0UL);
68 TEST ("%lu", 1UL);
69 TEST ("%lu", ULONG_MAX);
70 TEST ("%lx", 0UL);
71 TEST ("%lx", 1UL);
72 TEST ("%lx", ULONG_MAX);
73 xclose (fds[0]);
74 xclose (fds[1]);
75 return 0;
76}
77
78#include <support/test-driver.c>
79

source code of glibc/elf/tst-dl-printf-static.c