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diff --git a/fluent-bit/lib/libbacktrace-8602fda/btest.c b/fluent-bit/lib/libbacktrace-8602fda/btest.c
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--- a/fluent-bit/lib/libbacktrace-8602fda/btest.c
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@@ -1,501 +0,0 @@
-/* btest.c -- Test for libbacktrace library
- Copyright (C) 2012-2021 Free Software Foundation, Inc.
- Written by Ian Lance Taylor, Google.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- (1) Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- (2) Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- (3) The name of the author may not be used to
- endorse or promote products derived from this software without
- specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE. */
-
-/* This program tests the externally visible interfaces of the
- libbacktrace library. */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "filenames.h"
-
-#include "backtrace.h"
-#include "backtrace-supported.h"
-
-#include "testlib.h"
-
-/* Test the backtrace function with non-inlined functions. */
-
-static int test1 (void) __attribute__ ((noinline, noclone, unused));
-static int f2 (int) __attribute__ ((noinline, noclone));
-static int f3 (int, int) __attribute__ ((noinline, noclone));
-
-static int
-test1 (void)
-{
- /* Returning a value here and elsewhere avoids a tailcall which
- would mess up the backtrace. */
- return f2 (__LINE__) + 1;
-}
-
-static int
-f2 (int f1line)
-{
- return f3 (f1line, __LINE__) + 2;
-}
-
-static int
-f3 (int f1line, int f2line)
-{
- struct info all[20];
- struct bdata data;
- int f3line;
- int i;
-
- data.all = &all[0];
- data.index = 0;
- data.max = 20;
- data.failed = 0;
-
- f3line = __LINE__ + 1;
- i = backtrace_full (state, 0, callback_one, error_callback_one, &data);
-
- if (i != 0)
- {
- fprintf (stderr, "test1: unexpected return value %d\n", i);
- data.failed = 1;
- }
-
- if (data.index < 3)
- {
- fprintf (stderr,
- "test1: not enough frames; got %zu, expected at least 3\n",
- data.index);
- data.failed = 1;
- }
-
- check ("test1", 0, all, f3line, "f3", "btest.c", &data.failed);
- check ("test1", 1, all, f2line, "f2", "btest.c", &data.failed);
- check ("test1", 2, all, f1line, "test1", "btest.c", &data.failed);
-
- printf ("%s: backtrace_full noinline\n", data.failed ? "FAIL" : "PASS");
-
- if (data.failed)
- ++failures;
-
- return failures;
-}
-
-/* Test the backtrace function with inlined functions. */
-
-static inline int test2 (void) __attribute__ ((always_inline, unused));
-static inline int f12 (int) __attribute__ ((always_inline));
-static inline int f13 (int, int) __attribute__ ((always_inline));
-
-static inline int
-test2 (void)
-{
- return f12 (__LINE__) + 1;
-}
-
-static inline int
-f12 (int f1line)
-{
- return f13 (f1line, __LINE__) + 2;
-}
-
-static inline int
-f13 (int f1line, int f2line)
-{
- struct info all[20];
- struct bdata data;
- int f3line;
- int i;
-
- data.all = &all[0];
- data.index = 0;
- data.max = 20;
- data.failed = 0;
-
- f3line = __LINE__ + 1;
- i = backtrace_full (state, 0, callback_one, error_callback_one, &data);
-
- if (i != 0)
- {
- fprintf (stderr, "test2: unexpected return value %d\n", i);
- data.failed = 1;
- }
-
- check ("test2", 0, all, f3line, "f13", "btest.c", &data.failed);
- check ("test2", 1, all, f2line, "f12", "btest.c", &data.failed);
- check ("test2", 2, all, f1line, "test2", "btest.c", &data.failed);
-
- printf ("%s: backtrace_full inline\n", data.failed ? "FAIL" : "PASS");
-
- if (data.failed)
- ++failures;
-
- return failures;
-}
-
-/* Test the backtrace_simple function with non-inlined functions. */
-
-static int test3 (void) __attribute__ ((noinline, noclone, unused));
-static int f22 (int) __attribute__ ((noinline, noclone));
-static int f23 (int, int) __attribute__ ((noinline, noclone));
-
-static int
-test3 (void)
-{
- return f22 (__LINE__) + 1;
-}
-
-static int
-f22 (int f1line)
-{
- return f23 (f1line, __LINE__) + 2;
-}
-
-static int
-f23 (int f1line, int f2line)
-{
- uintptr_t addrs[20];
- struct sdata data;
- int f3line;
- int i;
-
- data.addrs = &addrs[0];
- data.index = 0;
- data.max = 20;
- data.failed = 0;
-
- f3line = __LINE__ + 1;
- i = backtrace_simple (state, 0, callback_two, error_callback_two, &data);
-
- if (i != 0)
- {
- fprintf (stderr, "test3: unexpected return value %d\n", i);
- data.failed = 1;
- }
-
- if (!data.failed)
- {
- struct info all[20];
- struct bdata bdata;
- int j;
-
- bdata.all = &all[0];
- bdata.index = 0;
- bdata.max = 20;
- bdata.failed = 0;
-
- for (j = 0; j < 3; ++j)
- {
- i = backtrace_pcinfo (state, addrs[j], callback_one,
- error_callback_one, &bdata);
- if (i != 0)
- {
- fprintf (stderr,
- ("test3: unexpected return value "
- "from backtrace_pcinfo %d\n"),
- i);
- bdata.failed = 1;
- }
- if (!bdata.failed && bdata.index != (size_t) (j + 1))
- {
- fprintf (stderr,
- ("wrong number of calls from backtrace_pcinfo "
- "got %u expected %d\n"),
- (unsigned int) bdata.index, j + 1);
- bdata.failed = 1;
- }
- }
-
- check ("test3", 0, all, f3line, "f23", "btest.c", &bdata.failed);
- check ("test3", 1, all, f2line, "f22", "btest.c", &bdata.failed);
- check ("test3", 2, all, f1line, "test3", "btest.c", &bdata.failed);
-
- if (bdata.failed)
- data.failed = 1;
-
- for (j = 0; j < 3; ++j)
- {
- struct symdata symdata;
-
- symdata.name = NULL;
- symdata.val = 0;
- symdata.size = 0;
- symdata.failed = 0;
-
- i = backtrace_syminfo (state, addrs[j], callback_three,
- error_callback_three, &symdata);
- if (i == 0)
- {
- fprintf (stderr,
- ("test3: [%d]: unexpected return value "
- "from backtrace_syminfo %d\n"),
- j, i);
- symdata.failed = 1;
- }
-
- if (!symdata.failed)
- {
- const char *expected;
-
- switch (j)
- {
- case 0:
- expected = "f23";
- break;
- case 1:
- expected = "f22";
- break;
- case 2:
- expected = "test3";
- break;
- default:
- assert (0);
- }
-
- if (symdata.name == NULL)
- {
- fprintf (stderr, "test3: [%d]: NULL syminfo name\n", j);
- symdata.failed = 1;
- }
- /* Use strncmp, not strcmp, because GCC might create a
- clone. */
- else if (strncmp (symdata.name, expected, strlen (expected))
- != 0)
- {
- fprintf (stderr,
- ("test3: [%d]: unexpected syminfo name "
- "got %s expected %s\n"),
- j, symdata.name, expected);
- symdata.failed = 1;
- }
- }
-
- if (symdata.failed)
- data.failed = 1;
- }
- }
-
- printf ("%s: backtrace_simple noinline\n", data.failed ? "FAIL" : "PASS");
-
- if (data.failed)
- ++failures;
-
- return failures;
-}
-
-/* Test the backtrace_simple function with inlined functions. */
-
-static inline int test4 (void) __attribute__ ((always_inline, unused));
-static inline int f32 (int) __attribute__ ((always_inline));
-static inline int f33 (int, int) __attribute__ ((always_inline));
-
-static inline int
-test4 (void)
-{
- return f32 (__LINE__) + 1;
-}
-
-static inline int
-f32 (int f1line)
-{
- return f33 (f1line, __LINE__) + 2;
-}
-
-static inline int
-f33 (int f1line, int f2line)
-{
- uintptr_t addrs[20];
- struct sdata data;
- int f3line;
- int i;
-
- data.addrs = &addrs[0];
- data.index = 0;
- data.max = 20;
- data.failed = 0;
-
- f3line = __LINE__ + 1;
- i = backtrace_simple (state, 0, callback_two, error_callback_two, &data);
-
- if (i != 0)
- {
- fprintf (stderr, "test3: unexpected return value %d\n", i);
- data.failed = 1;
- }
-
- if (!data.failed)
- {
- struct info all[20];
- struct bdata bdata;
-
- bdata.all = &all[0];
- bdata.index = 0;
- bdata.max = 20;
- bdata.failed = 0;
-
- i = backtrace_pcinfo (state, addrs[0], callback_one, error_callback_one,
- &bdata);
- if (i != 0)
- {
- fprintf (stderr,
- ("test4: unexpected return value "
- "from backtrace_pcinfo %d\n"),
- i);
- bdata.failed = 1;
- }
-
- check ("test4", 0, all, f3line, "f33", "btest.c", &bdata.failed);
- check ("test4", 1, all, f2line, "f32", "btest.c", &bdata.failed);
- check ("test4", 2, all, f1line, "test4", "btest.c", &bdata.failed);
-
- if (bdata.failed)
- data.failed = 1;
- }
-
- printf ("%s: backtrace_simple inline\n", data.failed ? "FAIL" : "PASS");
-
- if (data.failed)
- ++failures;
-
- return failures;
-}
-
-static int test5 (void) __attribute__ ((unused));
-
-int global = 1;
-
-static int
-test5 (void)
-{
- struct symdata symdata;
- int i;
- uintptr_t addr = (uintptr_t) &global;
-
- if (sizeof (global) > 1)
- addr += 1;
-
- symdata.name = NULL;
- symdata.val = 0;
- symdata.size = 0;
- symdata.failed = 0;
-
- i = backtrace_syminfo (state, addr, callback_three,
- error_callback_three, &symdata);
- if (i == 0)
- {
- fprintf (stderr,
- "test5: unexpected return value from backtrace_syminfo %d\n",
- i);
- symdata.failed = 1;
- }
-
- if (!symdata.failed)
- {
- if (symdata.name == NULL)
- {
- fprintf (stderr, "test5: NULL syminfo name\n");
- symdata.failed = 1;
- }
- else if (!(strncmp (symdata.name, "global", 6) == 0
- && (symdata.name[6] == '\0'|| symdata.name[6] == '.')))
- {
- fprintf (stderr,
- "test5: unexpected syminfo name got %s expected %s\n",
- symdata.name, "global");
- symdata.failed = 1;
- }
- else if (symdata.val != (uintptr_t) &global)
- {
- fprintf (stderr,
- "test5: unexpected syminfo value got %lx expected %lx\n",
- (unsigned long) symdata.val,
- (unsigned long) (uintptr_t) &global);
- symdata.failed = 1;
- }
- else if (symdata.size != sizeof (global))
- {
- fprintf (stderr,
- "test5: unexpected syminfo size got %lx expected %lx\n",
- (unsigned long) symdata.size,
- (unsigned long) sizeof (global));
- symdata.failed = 1;
- }
- }
-
- printf ("%s: backtrace_syminfo variable\n",
- symdata.failed ? "FAIL" : "PASS");
-
- if (symdata.failed)
- ++failures;
-
- return failures;
-}
-
-/* Check that are no files left open. */
-
-static void
-check_open_files (void)
-{
- int i;
-
- for (i = 3; i < 10; i++)
- {
- if (close (i) == 0)
- {
- fprintf (stderr,
- "ERROR: descriptor %d still open after tests complete\n",
- i);
- ++failures;
- }
- }
-}
-
-/* Run all the tests. */
-
-int
-main (int argc ATTRIBUTE_UNUSED, char **argv)
-{
- state = backtrace_create_state (argv[0], BACKTRACE_SUPPORTS_THREADS,
- error_callback_create, NULL);
-
-#if BACKTRACE_SUPPORTED
- test1 ();
- test2 ();
- test3 ();
- test4 ();
-#if BACKTRACE_SUPPORTS_DATA
- test5 ();
-#endif
-#endif
-
- check_open_files ();
-
- exit (failures ? EXIT_FAILURE : EXIT_SUCCESS);
-}
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