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freeswitch/libs/xmlrpc-c/src/test/test.c

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/* Copyright information is at the end of the file. */
#ifdef WIN32
#include <direct.h>
#else
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include "casprintf.h"
#include "xmlrpc_config.h"
#include "xmlrpc-c/base.h"
#include "xmlrpc-c/server.h"
#include "bool.h"
#include "test.h"
#include "value.h"
#include "serialize.h"
#include "parse_xml.h"
#include "cgi.h"
#include "xml_data.h"
#include "client.h"
#include "abyss.h"
#include "server_abyss.h"
#include "method_registry.h"
/*=========================================================================
** Test Harness
**=========================================================================
** This is a super light-weight test harness. It's vaguely inspired by
** Kent Beck's book on eXtreme Programming (XP)--the output is succinct,
** new tests can be coded quickly, and the whole thing runs in a few
** second's time.
**
** To run the tests, type './rpctest'.
** To check for memory leaks, install RedHat's 'memprof' utility, and
** type 'memprof rpctest'.
**
** If you add new tests to this file, please deallocate any data
** structures you use in the appropriate fashion. This allows us to test
** various destructor code for memory leaks.
*/
int total_tests = 0;
int total_failures = 0;
bool const runningUnderWindows =
#ifdef WIN32
true;
#else
false;
#endif
/*=========================================================================
** Test Data
**=========================================================================
** Some common test data which need to be allocated at a fixed address,
** or which are inconvenient to allocate inline.
*/
static char* test_string_1 = "foo";
static char* test_string_2 = "bar";
static int test_int_array_1[5] = {1, 2, 3, 4, 5};
static int test_int_array_2[3] = {6, 7, 8};
static int test_int_array_3[8] = {1, 2, 3, 4, 5, 6, 7, 8};
/*=========================================================================
** Test Suites
**=========================================================================
*/
static void test_env(void)
{
xmlrpc_env env, env2;
/* Test xmlrpc_env_init. */
xmlrpc_env_init(&env);
TEST(!env.fault_occurred);
TEST(env.fault_code == 0);
TEST(env.fault_string == NULL);
/* Test xmlrpc_set_fault. */
xmlrpc_env_set_fault(&env, 1, test_string_1);
TEST(env.fault_occurred);
TEST(env.fault_code == 1);
TEST(env.fault_string != test_string_1);
TEST(strcmp(env.fault_string, test_string_1) == 0);
/* Change an existing fault. */
xmlrpc_env_set_fault(&env, 2, test_string_2);
TEST(env.fault_occurred);
TEST(env.fault_code == 2);
TEST(strcmp(env.fault_string, test_string_2) == 0);
/* Set a fault with a format string. */
xmlrpc_env_set_fault_formatted(&env, 3, "a%s%d", "bar", 9);
TEST(env.fault_occurred);
TEST(env.fault_code == 3);
TEST(strcmp(env.fault_string, "abar9") == 0);
/* Test cleanup code (with help from memprof). */
xmlrpc_env_clean(&env);
/* Test cleanup code on in absence of xmlrpc_env_set_fault. */
xmlrpc_env_init(&env2);
xmlrpc_env_clean(&env2);
}
static void test_mem_block (void)
{
xmlrpc_env env;
xmlrpc_mem_block* block;
xmlrpc_mem_block* typed_heap_block;
xmlrpc_mem_block typed_auto_block;
void** typed_contents;
xmlrpc_env_init(&env);
/* Allocate a zero-size block. */
block = xmlrpc_mem_block_new(&env, 0);
TEST_NO_FAULT(&env);
TEST(block != NULL);
TEST(xmlrpc_mem_block_size(block) == 0);
/* Grow the block a little bit. */
xmlrpc_mem_block_resize(&env, block, strlen(test_string_1) + 1);
TEST_NO_FAULT(&env);
TEST(xmlrpc_mem_block_size(block) == strlen(test_string_1) + 1);
/* Insert a string into the block, and resize it by large amount.
** We want to cause a reallocation and copy of the block contents. */
strcpy(xmlrpc_mem_block_contents(block), test_string_1);
xmlrpc_mem_block_resize(&env, block, 10000);
TEST_NO_FAULT(&env);
TEST(xmlrpc_mem_block_size(block) == 10000);
TEST(strcmp(xmlrpc_mem_block_contents(block), test_string_1) == 0);
/* Test cleanup code (with help from memprof). */
xmlrpc_mem_block_free(block);
/* Allocate a bigger block. */
block = xmlrpc_mem_block_new(&env, 128);
TEST_NO_FAULT(&env);
TEST(block != NULL);
TEST(xmlrpc_mem_block_size(block) == 128);
/* Test cleanup code (with help from memprof). */
xmlrpc_mem_block_free(block);
/* Allocate a "typed" memory block. */
typed_heap_block = XMLRPC_TYPED_MEM_BLOCK_NEW(void*, &env, 20);
TEST_NO_FAULT(&env);
TEST(typed_heap_block != NULL);
TEST(XMLRPC_TYPED_MEM_BLOCK_SIZE(void*, typed_heap_block) == 20);
typed_contents = XMLRPC_TYPED_MEM_BLOCK_CONTENTS(void*, typed_heap_block);
TEST(typed_contents != NULL);
/* Resize a typed memory block. */
XMLRPC_TYPED_MEM_BLOCK_RESIZE(void*, &env, typed_heap_block, 100);
TEST_NO_FAULT(&env);
TEST(XMLRPC_TYPED_MEM_BLOCK_SIZE(void*, typed_heap_block) == 100);
/* Test cleanup code (with help from memprof). */
XMLRPC_TYPED_MEM_BLOCK_FREE(void*, typed_heap_block);
/* Test _INIT and _CLEAN for stack-based memory blocks. */
XMLRPC_TYPED_MEM_BLOCK_INIT(void*, &env, &typed_auto_block, 30);
TEST(XMLRPC_TYPED_MEM_BLOCK_SIZE(void*, &typed_auto_block) == 30);
XMLRPC_TYPED_MEM_BLOCK_CLEAN(void*, &typed_auto_block);
/* Test xmlrpc_mem_block_append. */
block = XMLRPC_TYPED_MEM_BLOCK_NEW(int, &env, 5);
TEST_NO_FAULT(&env);
memcpy(XMLRPC_TYPED_MEM_BLOCK_CONTENTS(int, block),
test_int_array_1, sizeof(test_int_array_1));
XMLRPC_TYPED_MEM_BLOCK_APPEND(int, &env, block, test_int_array_2, 3);
TEST(XMLRPC_TYPED_MEM_BLOCK_SIZE(int, block) == 8);
TEST(memcmp(XMLRPC_TYPED_MEM_BLOCK_CONTENTS(int, block),
test_int_array_3, sizeof(test_int_array_3)) == 0);
XMLRPC_TYPED_MEM_BLOCK_FREE(int, block);
xmlrpc_env_clean(&env);
}
static char *(base64_triplets[]) = {
"", "", "\r\n",
"a", "YQ==", "YQ==\r\n",
"aa", "YWE=", "YWE=\r\n",
"aaa", "YWFh", "YWFh\r\n",
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWmFiY"
"2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6QUJDREVGR0hJSktMTU5PUFFSU1RVVldYWVo=",
"YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWmFiY"
"2Rl\r\n"
"ZmdoaWprbG1ub3BxcnN0dXZ3eHl6QUJDREVGR0hJSktMTU5PUFFSU1RVVldYWVo=\r\n",
NULL};
static void
test_base64_conversion(void) {
xmlrpc_env env;
char ** triplet;
xmlrpc_env_init(&env);
for (triplet = base64_triplets; *triplet != NULL; triplet += 3) {
char * bin_data;
char * nocrlf_ascii_data;
char * ascii_data;
xmlrpc_mem_block * output;
bin_data = *triplet;
nocrlf_ascii_data = *(triplet + 1);
ascii_data = *(triplet + 2);
/* Test our encoding routine. */
output = xmlrpc_base64_encode(&env,
(unsigned char*) bin_data,
strlen(bin_data));
TEST_NO_FAULT(&env);
TEST(output != NULL);
TEST(xmlrpc_mem_block_size(output) == strlen(ascii_data));
TEST(memcmp(xmlrpc_mem_block_contents(output), ascii_data,
strlen(ascii_data)) == 0);
xmlrpc_mem_block_free(output);
/* Test our newline-free encoding routine. */
output =
xmlrpc_base64_encode_without_newlines(&env,
(unsigned char*) bin_data,
strlen(bin_data));
TEST_NO_FAULT(&env);
TEST(output != NULL);
TEST(xmlrpc_mem_block_size(output) == strlen(nocrlf_ascii_data));
TEST(memcmp(xmlrpc_mem_block_contents(output), nocrlf_ascii_data,
strlen(nocrlf_ascii_data)) == 0);
xmlrpc_mem_block_free(output);
/* Test our decoding routine. */
output = xmlrpc_base64_decode(&env, ascii_data, strlen(ascii_data));
TEST_NO_FAULT(&env);
TEST(output != NULL);
TEST(xmlrpc_mem_block_size(output) == strlen(bin_data));
TEST(memcmp(xmlrpc_mem_block_contents(output), bin_data,
strlen(bin_data)) == 0);
xmlrpc_mem_block_free(output);
}
/* Now for something broken... */
{
xmlrpc_env env2;
xmlrpc_mem_block * output;
xmlrpc_env_init(&env2);
output = xmlrpc_base64_decode(&env2, "====", 4);
TEST(output == NULL);
TEST_FAULT(&env2, XMLRPC_PARSE_ERROR);
xmlrpc_env_clean(&env2);
}
/* Now for something broken in a really sneaky way... */
{
xmlrpc_env env2;
xmlrpc_mem_block * output;
xmlrpc_env_init(&env2);
output = xmlrpc_base64_decode(&env2, "a==", 4);
TEST(output == NULL);
TEST_FAULT(&env2, XMLRPC_PARSE_ERROR);
xmlrpc_env_clean(&env2);
}
xmlrpc_env_clean(&env);
}
static void test_bounds_checks (void)
{
xmlrpc_env env;
xmlrpc_value *array;
int i1, i2, i3, i4;
/* Get an array to work with. */
xmlrpc_env_init(&env);
array = xmlrpc_build_value(&env, "(iii)", 100, 200, 300);
TEST_NO_FAULT(&env);
xmlrpc_env_clean(&env);
/* Test xmlrpc_decompose_value with too few values. */
xmlrpc_env_init(&env);
xmlrpc_decompose_value(&env, array, "(iiii)", &i1, &i2, &i3, &i4);
TEST_FAULT(&env, XMLRPC_INDEX_ERROR);
xmlrpc_env_clean(&env);
/* Test xmlrpc_decompose_value with too many values. */
xmlrpc_env_init(&env);
xmlrpc_decompose_value(&env, array, "(ii)", &i1, &i2, &i3, &i4);
TEST_FAULT(&env, XMLRPC_INDEX_ERROR);
xmlrpc_env_clean(&env);
/* Dispose of our array. */
xmlrpc_DECREF(array);
}
static void test_nesting_limit (void)
{
xmlrpc_env env;
xmlrpc_value *val;
xmlrpc_env_init(&env);
/* Test with an adequate limit for a result value which is an
array which contains an element which is a struct, whose values
are simple: 3.
*/
xmlrpc_limit_set(XMLRPC_NESTING_LIMIT_ID, 3);
val = xmlrpc_parse_response(&env,
good_response_xml, strlen(good_response_xml));
TEST_NO_FAULT(&env);
TEST(val != NULL);
xmlrpc_DECREF(val);
/* Test with an inadequate limit. */
xmlrpc_limit_set(XMLRPC_NESTING_LIMIT_ID, 2);
val = xmlrpc_parse_response(&env,
good_response_xml, strlen(good_response_xml));
TEST_FAULT(&env, XMLRPC_PARSE_ERROR); /* BREAKME - Will change. */
TEST(val == NULL);
/* Reset the default limit. */
xmlrpc_limit_set(XMLRPC_NESTING_LIMIT_ID, XMLRPC_NESTING_LIMIT_DEFAULT);
TEST(xmlrpc_limit_get(XMLRPC_NESTING_LIMIT_ID)
== XMLRPC_NESTING_LIMIT_DEFAULT);
xmlrpc_env_clean(&env);
}
static void
test_xml_size_limit(void) {
xmlrpc_env env;
const char * methodName;
xmlrpc_value * paramsP;
/* NOTE - This test suite only verifies the last-ditch size-checking
code. There should also be matching code in all server (and
preferably all client) modules as well.
*/
/* Set our XML size limit to something ridiculous. */
xmlrpc_limit_set(XMLRPC_XML_SIZE_LIMIT_ID, 6);
/* Attempt to parse a call. */
xmlrpc_env_init(&env);
xmlrpc_parse_call(&env, serialized_call, strlen(serialized_call),
&methodName, &paramsP);
TEST_FAULT(&env, XMLRPC_LIMIT_EXCEEDED_ERROR);
xmlrpc_env_clean(&env);
{
xmlrpc_value * resultP;
int faultCode;
const char * faultString;
/* Attempt to parse a response. */
xmlrpc_env_init(&env);
xmlrpc_parse_response2(&env,
good_response_xml, strlen(good_response_xml),
&resultP, &faultCode, &faultString);
TEST_FAULT(&env, XMLRPC_LIMIT_EXCEEDED_ERROR);
xmlrpc_env_clean(&env);
}
/* Reset the default limit. */
xmlrpc_limit_set(XMLRPC_XML_SIZE_LIMIT_ID, XMLRPC_XML_SIZE_LIMIT_DEFAULT);
}
/*=========================================================================
** test_sample_files
**=========================================================================
** Read in a bunch of sample test files and make sure we get plausible
** results.
**
** We use these files to test strange-but-legal encodings, illegal-but-
** allowed-by-Xmlrpc-c encodings, etc.
*/
#ifdef WIN32
/* usually compiled in 'Windows' folder */
#define TESTDATA_DIR ".." DIRECTORY_SEPARATOR "bin" DIRECTORY_SEPARATOR "data"
#else
#define TESTDATA_DIR "data"
#endif
static const char * goodRequests[] = {
TESTDATA_DIR DIRECTORY_SEPARATOR "req_out_of_order.xml",
TESTDATA_DIR DIRECTORY_SEPARATOR "req_no_params.xml",
TESTDATA_DIR DIRECTORY_SEPARATOR "req_value_name.xml",
NULL
};
#define MAX_SAMPLE_FILE_LEN (16 * 1024)
static void
reportFileOpenError(const char * const path,
int const openErrno) {
if (runningUnderWindows) {
char cwdname[1024];
char * succeeded;
succeeded = getcwd(cwdname, sizeof(cwdname));
if (succeeded)
fprintf(stderr, "Running in current work directory '%s'\n",
cwdname);
}
fprintf(stderr, "Could not open file '%s'. errno=%d (%s)\n",
path, openErrno, strerror(openErrno));
}
static void
readFile(const char * const path,
const char ** const outDataP,
size_t * const outSizeP) {
static char fileBuff[MAX_SAMPLE_FILE_LEN];
FILE * fileP;
size_t bytesRead;
fileP = fopen(path, "r");
if (fileP == NULL) {
/* Since this error is fairly likely to happen, give an
informative error message...
*/
reportFileOpenError(path, errno);
exit(1);
}
/* Read in one buffer full of data, and make sure that everything
fit. (We perform a lazy error/no-eof/zero-length-file test using
'bytesRead'.)
*/
bytesRead = fread(fileBuff, sizeof(char), MAX_SAMPLE_FILE_LEN, fileP);
TEST(0 < bytesRead && bytesRead < MAX_SAMPLE_FILE_LEN);
fclose(fileP);
*outDataP = fileBuff;
*outSizeP = bytesRead;
}
static void
testSampleFiles(void) {
xmlrpc_env env;
const char ** pathP;
xmlrpc_env_init(&env);
/* Test our good requests. */
for (pathP = goodRequests; *pathP != NULL; ++pathP) {
const char * const path = *pathP;
const char * data;
size_t dataLen;
const char * methodName;
xmlrpc_value * params;
readFile(path, &data, &dataLen);
xmlrpc_parse_call(&env, data, dataLen, &methodName, &params);
TEST_NO_FAULT(&env);
strfree(methodName);
xmlrpc_DECREF(params);
}
xmlrpc_env_clean(&env);
}
/*=========================================================================
** test_utf8_coding
**=========================================================================
** We need to test our UTF-8 decoder thoroughly. Most of these test
** cases are taken from the UTF-8-test.txt file by Markus Kuhn
** <mkuhn@acm.org>:
** http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
*/
#if HAVE_UNICODE_WCHAR
typedef struct {
char *utf8;
wchar_t wcs[16];
} utf8_and_wcs;
static utf8_and_wcs good_utf8[] = {
/* Greek 'kosme'. */
{"\316\272\341\275\271\317\203\316\274\316\265",
{0x03BA, 0x1F79, 0x03C3, 0x03BC, 0x03B5, 0}},
/* First sequences of a given length. */
/* '\000' is not a legal C string. */
{"\302\200", {0x0080, 0}},
{"\340\240\200", {0x0800, 0}},
/* Last sequences of a given length. */
{"\177", {0x007F, 0}},
{"\337\277", {0x07FF, 0}},
/* 0xFFFF is not a legal Unicode character. */
/* Other boundry conditions. */
{"\001", {0x0001, 0}},
{"\355\237\277", {0xD7FF, 0}},
{"\356\200\200", {0xE000, 0}},
{"\357\277\275", {0xFFFD, 0}},
/* Other random test cases. */
{"", {0}},
{"abc", {0x0061, 0x0062, 0x0063, 0}},
{"[\302\251]", {0x005B, 0x00A9, 0x005D, 0}},
{NULL, {0}}
};
static char *(bad_utf8[]) = {
/* Continuation bytes. */
"\200", "\277",
/* Lonely start characters. */
"\300", "\300x", "\300xx",
"\340", "\340x", "\340xx", "\340xxx",
/* Last byte missing. */
"\340\200", "\340\200x", "\340\200xx",
"\357\277", "\357\277x", "\357\277xx",
/* Illegal bytes. */
"\376", "\377",
/* Overlong '/'. */
"\300\257", "\340\200\257",
/* Overlong ASCII NUL. */
"\300\200", "\340\200\200",
/* Maximum overlong sequences. */
"\301\277", "\340\237\277",
/* Illegal code positions. */
"\357\277\276", /* U+FFFE */
"\357\277\277", /* U+FFFF */
/* UTF-16 surrogates (unpaired and paired). */
"\355\240\200",
"\355\277\277",
"\355\240\200\355\260\200",
"\355\257\277\355\277\277",
/* Valid UCS-4 characters (we don't handle these yet).
** On systems with UCS-4 or UTF-16 wchar_t values, we
** may eventually handle these in some fashion. */
"\360\220\200\200",
"\370\210\200\200\200",
"\374\204\200\200\200\200",
NULL
};
#endif /* HAVE_UNICODE_WCHAR */
/* This routine is missing on certain platforms. This implementation
** *appears* to be correct. */
#if 0
#ifndef HAVE_WCSNCMP
int wcsncmp(wchar_t *wcs1, wchar_t* wcs2, size_t len)
{
size_t i;
/* XXX - 'unsigned long' should be 'uwchar_t'. */
unsigned long c1, c2;
for (i=0; i < len; i++) {
c1 = wcs1[i];
c2 = wcs2[i];
/* This clever comparison borrowed from the GNU C Library. */
if (c1 == 0 || c1 != c2)
return c1 - c2;
}
return 0;
}
#endif /* HAVE_WCSNCMP */
#endif
static void
test_utf8_coding(void) {
#if HAVE_UNICODE_WCHAR
xmlrpc_env env, env2;
utf8_and_wcs *good_data;
char **bad_data;
char *utf8;
wchar_t *wcs;
xmlrpc_mem_block *output;
xmlrpc_env_init(&env);
/* Test each of our valid UTF-8 sequences. */
for (good_data = good_utf8; good_data->utf8 != NULL; good_data++) {
utf8 = good_data->utf8;
wcs = good_data->wcs;
/* Attempt to validate the UTF-8 string. */
xmlrpc_validate_utf8(&env, utf8, strlen(utf8));
TEST_NO_FAULT(&env);
/* Attempt to decode the UTF-8 string. */
output = xmlrpc_utf8_to_wcs(&env, utf8, strlen(utf8));
TEST_NO_FAULT(&env);
TEST(output != NULL);
TEST(wcslen(wcs) == XMLRPC_TYPED_MEM_BLOCK_SIZE(wchar_t, output));
TEST(0 ==
wcsncmp(wcs, XMLRPC_TYPED_MEM_BLOCK_CONTENTS(wchar_t, output),
wcslen(wcs)));
xmlrpc_mem_block_free(output);
/* Test the UTF-8 encoder, too. */
output = xmlrpc_wcs_to_utf8(&env, wcs, wcslen(wcs));
TEST_NO_FAULT(&env);
TEST(output != NULL);
TEST(strlen(utf8) == XMLRPC_TYPED_MEM_BLOCK_SIZE(char, output));
TEST(0 ==
strncmp(utf8, XMLRPC_TYPED_MEM_BLOCK_CONTENTS(char, output),
strlen(utf8)));
xmlrpc_mem_block_free(output);
}
/* Test each of our illegal UTF-8 sequences. */
for (bad_data = bad_utf8; *bad_data != NULL; bad_data++) {
utf8 = *bad_data;
/* Attempt to validate the UTF-8 string. */
xmlrpc_env_init(&env2);
xmlrpc_validate_utf8(&env2, utf8, strlen(utf8));
TEST_FAULT(&env2, XMLRPC_INVALID_UTF8_ERROR);
/* printf("Fault: %s\n", env2.fault_string); --Hand-checked */
xmlrpc_env_clean(&env2);
/* Attempt to decode the UTF-8 string. */
xmlrpc_env_init(&env2);
output = xmlrpc_utf8_to_wcs(&env2, utf8, strlen(utf8));
TEST_FAULT(&env2, XMLRPC_INVALID_UTF8_ERROR);
TEST(output == NULL);
xmlrpc_env_clean(&env2);
}
xmlrpc_env_clean(&env);
#endif /* HAVE_UNICODE_WCHAR */
}
static void
test_server_cgi_maybe(void) {
#ifndef WIN32
test_server_cgi();
#endif
}
static void
test_client_maybe(void) {
#ifndef WIN32 /* Must get Windows Curl transport working for this to work */
test_client();
#endif
}
int
main(int argc,
char ** argv ATTR_UNUSED) {
int retval;
if (argc-1 > 0) {
fprintf(stderr, "There are no arguments.\n");
retval = 1;
} else {
test_env();
test_mem_block();
test_base64_conversion();
printf("\n");
test_value();
test_bounds_checks();
printf("\n");
test_serialize();
test_parse_xml();
test_method_registry();
test_nesting_limit();
test_xml_size_limit();
testSampleFiles();
printf("\n");
test_server_cgi_maybe();
test_abyss();
test_server_abyss();
test_utf8_coding();
printf("\n");
test_client_maybe();
printf("\n");
/* Summarize our test run. */
printf("Ran %d tests, %d failed, %.1f%% passed\n",
total_tests, total_failures,
100.0 - (100.0 * total_failures) / total_tests);
/* Print the final result. */
if (total_failures == 0) {
printf("OK\n");
retval = 0;
} else {
retval = 1;
printf("FAILED\n");
}
}
return retval;
}
/* Copyright (C) 2001 by First Peer, Inc. All rights reserved.
**
** 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. */
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