mirror of
https://github.com/openvswitch/ovs
synced 2025-08-22 01:51:26 +00:00
3764f5188a
UB Sanitizer reports:
tests/test-hash.c:59:40:
runtime error: shift exponent 64 is too large for 64-bit type
'long unsigned int'
0 0x44c3c9 in get_range128 tests/test-hash.c:59
1 0x44cb2e in check_hash_bytes128 tests/test-hash.c:178
2 0x44d14d in test_hash_main tests/test-hash.c:282
[...]
ofproto/ofproto-dpif-xlate.c:5607:45:
runtime error: left shift of 65535 by 16 places cannot be represented
in type 'int'
0 0x53fe9f in xlate_sample_action ofproto/ofproto-dpif-xlate.c:5607
1 0x54d625 in do_xlate_actions ofproto/ofproto-dpif-xlate.c:7160
2 0x553b76 in xlate_actions ofproto/ofproto-dpif-xlate.c:7806
3 0x4fcb49 in upcall_xlate ofproto/ofproto-dpif-upcall.c:1237
4 0x4fe02f in process_upcall ofproto/ofproto-dpif-upcall.c:1456
5 0x4fda99 in upcall_cb ofproto/ofproto-dpif-upcall.c:1358
[...]
tests/test-util.c:89:23:
runtime error: left shift of 1 by 31 places cannot be represented in
type 'int'
0 0x476415 in test_ctz tests/test-util.c:89
[...]
lib/dpif-netlink.c:396:33:
runtime error: left shift of 1 by 31 places cannot be represented in
type 'int'
0 0x571b9f in dpif_netlink_open lib/dpif-netlink.c:396
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: Paolo Valerio <pvalerio@redhat.com>
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
1270 lines
39 KiB
C
1270 lines
39 KiB
C
/*
|
||
* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016, 2019 Nicira, Inc.
|
||
*
|
||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
* you may not use this file except in compliance with the License.
|
||
* You may obtain a copy of the License at:
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
* See the License for the specific language governing permissions and
|
||
* limitations under the License.
|
||
*/
|
||
|
||
#include <config.h>
|
||
#undef NDEBUG
|
||
#include "util.h"
|
||
#include <assert.h>
|
||
#include <getopt.h>
|
||
#include <inttypes.h>
|
||
#include <limits.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include "byte-order.h"
|
||
#include "command-line.h"
|
||
#include "ovstest.h"
|
||
#include "random.h"
|
||
#include "sat-math.h"
|
||
#include "openvswitch/vlog.h"
|
||
|
||
static void
|
||
check_log_2_floor(uint32_t x, int n)
|
||
{
|
||
if (log_2_floor(x) != n) {
|
||
fprintf(stderr, "log_2_floor(%"PRIu32") is %d but should be %d\n",
|
||
x, log_2_floor(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_log_2_floor(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
for (uint32_t n = 0; n < 32; n++) {
|
||
/* Check minimum x such that f(x) == n. */
|
||
check_log_2_floor(UINT32_C(1) << n, n);
|
||
|
||
/* Check maximum x such that f(x) == n. */
|
||
check_log_2_floor((UINT32_C(1) << n) | ((UINT32_C(1) << n) - 1), n);
|
||
|
||
/* Check a random value in the middle. */
|
||
check_log_2_floor((random_uint32() & ((UINT32_C(1) << n) - 1))
|
||
| (UINT32_C(1) << n), n);
|
||
}
|
||
|
||
/* log_2_floor(0) is undefined, so don't check it. */
|
||
}
|
||
|
||
static void
|
||
check_ctz32(uint32_t x, int n)
|
||
{
|
||
if (ctz32(x) != n) {
|
||
fprintf(stderr, "ctz32(%"PRIu32") is %d but should be %d\n",
|
||
x, ctz32(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
check_ctz64(uint64_t x, int n)
|
||
{
|
||
if (ctz64(x) != n) {
|
||
fprintf(stderr, "ctz64(%"PRIu64") is %d but should be %d\n",
|
||
x, ctz64(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_ctz(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
int n;
|
||
|
||
for (n = 0; n < 32; n++) {
|
||
/* Check minimum x such that f(x) == n. */
|
||
check_ctz32(UINT32_C(1) << n, n);
|
||
|
||
/* Check maximum x such that f(x) == n. */
|
||
check_ctz32(UINT32_MAX << n, n);
|
||
|
||
/* Check a random value in the middle. */
|
||
check_ctz32((random_uint32() | 1) << n, n);
|
||
}
|
||
|
||
|
||
for (n = 0; n < 64; n++) {
|
||
/* Check minimum x such that f(x) == n. */
|
||
check_ctz64(UINT64_C(1) << n, n);
|
||
|
||
/* Check maximum x such that f(x) == n. */
|
||
check_ctz64(UINT64_MAX << n, n);
|
||
|
||
/* Check a random value in the middle. */
|
||
check_ctz64((random_uint64() | UINT64_C(1)) << n, n);
|
||
}
|
||
|
||
/* Check ctz(0). */
|
||
check_ctz32(0, 32);
|
||
check_ctz64(0, 64);
|
||
}
|
||
|
||
static void
|
||
check_clz32(uint32_t x, int n)
|
||
{
|
||
if (clz32(x) != n) {
|
||
fprintf(stderr, "clz32(%"PRIu32") is %d but should be %d\n",
|
||
x, clz32(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
check_clz64(uint64_t x, int n)
|
||
{
|
||
if (clz64(x) != n) {
|
||
fprintf(stderr, "clz64(%"PRIu64") is %d but should be %d\n",
|
||
x, clz64(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_clz(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
int n;
|
||
|
||
for (n = 0; n < 32; n++) {
|
||
/* Check minimum x such that f(x) == n. */
|
||
check_clz32((1u << 31) >> n, n);
|
||
|
||
/* Check maximum x such that f(x) == n. */
|
||
check_clz32(UINT32_MAX >> n, n);
|
||
|
||
/* Check a random value in the middle. */
|
||
check_clz32((random_uint32() | 1u << 31) >> n, n);
|
||
}
|
||
|
||
for (n = 0; n < 64; n++) {
|
||
/* Check minimum x such that f(x) == n. */
|
||
check_clz64((UINT64_C(1) << 63) >> n, n);
|
||
|
||
/* Check maximum x such that f(x) == n. */
|
||
check_clz64(UINT64_MAX >> n, n);
|
||
|
||
/* Check a random value in the middle. */
|
||
check_clz64((random_uint64() | UINT64_C(1) << 63) >> n, n);
|
||
}
|
||
|
||
/* Check clz(0). */
|
||
check_clz32(0, 32);
|
||
check_clz64(0, 64);
|
||
}
|
||
|
||
/* Returns a random number in the range 'min'...'max' inclusive. */
|
||
static uint32_t
|
||
random_in_range(uint32_t min, uint32_t max)
|
||
{
|
||
return min == max ? min : min + random_range(max - min + 1);
|
||
}
|
||
|
||
static void
|
||
check_rup2(uint32_t x, int n)
|
||
{
|
||
uint32_t rup2 = ROUND_UP_POW2(x);
|
||
if (rup2 != n) {
|
||
fprintf(stderr, "ROUND_UP_POW2(%#"PRIx32") is %#"PRIx32" "
|
||
"but should be %#"PRIx32"\n", x, rup2, n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_round_up_pow2(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
int n;
|
||
|
||
for (n = 0; n < 32; n++) {
|
||
/* Min, max value for which ROUND_UP_POW2 should yield (1 << n). */
|
||
uint32_t min = ((1u << n) >> 1) + 1;
|
||
uint32_t max = 1u << n;
|
||
|
||
check_rup2(min, 1u << n);
|
||
check_rup2(max, 1u << n);
|
||
check_rup2(random_in_range(min, max), 1u << n);
|
||
}
|
||
check_rup2(0, 0);
|
||
}
|
||
|
||
static void
|
||
check_rdp2(uint32_t x, int n)
|
||
{
|
||
uint32_t rdp2 = ROUND_DOWN_POW2(x);
|
||
if (rdp2 != n) {
|
||
fprintf(stderr, "ROUND_DOWN_POW2(%#"PRIx32") is %#"PRIx32" "
|
||
"but should be %#"PRIx32"\n", x, rdp2, n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_round_down_pow2(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
int n;
|
||
|
||
for (n = 0; n < 32; n++) {
|
||
/* Min, max value for which ROUND_DOWN_POW2 should yield (1 << n). */
|
||
uint32_t min = 1u << n;
|
||
uint32_t max = ((1u << n) << 1) - 1;
|
||
|
||
check_rdp2(min, 1u << n);
|
||
check_rdp2(max, 1u << n);
|
||
check_rdp2(random_in_range(min, max), 1u << n);
|
||
}
|
||
check_rdp2(0, 0);
|
||
}
|
||
|
||
static void
|
||
shuffle(uint64_t *p, size_t n)
|
||
{
|
||
for (; n > 1; n--, p++) {
|
||
uint64_t *q = &p[random_range(n)];
|
||
uint64_t tmp = *p;
|
||
*p = *q;
|
||
*q = tmp;
|
||
}
|
||
}
|
||
|
||
static void
|
||
check_count_1bits(uint64_t x, int n)
|
||
{
|
||
if (count_1bits(x) != n) {
|
||
fprintf(stderr, "count_1bits(%#"PRIx64") is %d but should be %d\n",
|
||
x, count_1bits(x), n);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_count_1bits(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
uint64_t bits[64];
|
||
int i;
|
||
|
||
for (i = 0; i < ARRAY_SIZE(bits); i++) {
|
||
bits[i] = UINT64_C(1) << i;
|
||
}
|
||
|
||
check_count_1bits(0, 0);
|
||
|
||
for (i = 0; i < 1000; i++) {
|
||
uint64_t x = 0;
|
||
int j;
|
||
|
||
shuffle(bits, ARRAY_SIZE(bits));
|
||
for (j = 0; j < 64; j++) {
|
||
x |= bits[j];
|
||
check_count_1bits(x, j + 1);
|
||
}
|
||
assert(x == UINT64_MAX);
|
||
|
||
shuffle(bits, ARRAY_SIZE(bits));
|
||
for (j = 63; j >= 0; j--) {
|
||
x &= ~bits[j];
|
||
check_count_1bits(x, j);
|
||
}
|
||
assert(x == 0);
|
||
}
|
||
}
|
||
|
||
/* Returns the sum of the squares of the first 'n' positive integers. */
|
||
static unsigned int
|
||
sum_of_squares(int n)
|
||
{
|
||
return n * (n + 1) * (2 * n + 1) / 6;
|
||
}
|
||
|
||
static void
|
||
test_bitwise_copy(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
unsigned int n_loops;
|
||
int src_ofs;
|
||
int dst_ofs;
|
||
int n_bits;
|
||
|
||
n_loops = 0;
|
||
for (n_bits = 0; n_bits <= 64; n_bits++) {
|
||
for (src_ofs = 0; src_ofs < 64 - n_bits; src_ofs++) {
|
||
for (dst_ofs = 0; dst_ofs < 64 - n_bits; dst_ofs++) {
|
||
ovs_be64 src = htonll(random_uint64());
|
||
ovs_be64 dst = htonll(random_uint64());
|
||
ovs_be64 orig_dst = dst;
|
||
ovs_be64 expect;
|
||
|
||
if (n_bits == 64) {
|
||
expect = dst;
|
||
} else {
|
||
uint64_t mask = (UINT64_C(1) << n_bits) - 1;
|
||
expect = orig_dst & ~htonll(mask << dst_ofs);
|
||
expect |= htonll(((ntohll(src) >> src_ofs) & mask)
|
||
<< dst_ofs);
|
||
}
|
||
|
||
bitwise_copy(&src, sizeof src, src_ofs,
|
||
&dst, sizeof dst, dst_ofs,
|
||
n_bits);
|
||
if (expect != dst) {
|
||
fprintf(stderr,"copy_bits(0x%016"PRIx64",8,%d, "
|
||
"0x%016"PRIx64",8,%d, %d) yielded 0x%016"PRIx64" "
|
||
"instead of the expected 0x%016"PRIx64"\n",
|
||
ntohll(src), src_ofs,
|
||
ntohll(orig_dst), dst_ofs,
|
||
n_bits,
|
||
ntohll(dst), ntohll(expect));
|
||
abort();
|
||
}
|
||
|
||
n_loops++;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (n_loops != sum_of_squares(64)) {
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_bitwise_zero(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
unsigned int n_loops;
|
||
int dst_ofs;
|
||
int n_bits;
|
||
|
||
n_loops = 0;
|
||
for (n_bits = 0; n_bits <= 64; n_bits++) {
|
||
for (dst_ofs = 0; dst_ofs < 64 - n_bits; dst_ofs++) {
|
||
ovs_be64 dst = htonll(random_uint64());
|
||
ovs_be64 orig_dst = dst;
|
||
ovs_be64 expect;
|
||
|
||
if (n_bits == 64) {
|
||
expect = htonll(0);
|
||
} else {
|
||
uint64_t mask = (UINT64_C(1) << n_bits) - 1;
|
||
expect = orig_dst & ~htonll(mask << dst_ofs);
|
||
}
|
||
|
||
bitwise_zero(&dst, sizeof dst, dst_ofs, n_bits);
|
||
if (expect != dst) {
|
||
fprintf(stderr,"bitwise_zero(0x%016"PRIx64",8,%d, %d) "
|
||
"yielded 0x%016"PRIx64" "
|
||
"instead of the expected 0x%016"PRIx64"\n",
|
||
ntohll(orig_dst), dst_ofs,
|
||
n_bits,
|
||
ntohll(dst), ntohll(expect));
|
||
abort();
|
||
}
|
||
|
||
n_loops++;
|
||
}
|
||
}
|
||
|
||
if (n_loops != 64 * (64 + 1) / 2) {
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_bitwise_one(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
unsigned int n_loops;
|
||
int dst_ofs;
|
||
int n_bits;
|
||
|
||
n_loops = 0;
|
||
for (n_bits = 0; n_bits <= 64; n_bits++) {
|
||
for (dst_ofs = 0; dst_ofs < 64 - n_bits; dst_ofs++) {
|
||
ovs_be64 dst = htonll(random_uint64());
|
||
ovs_be64 orig_dst = dst;
|
||
ovs_be64 expect;
|
||
|
||
if (n_bits == 64) {
|
||
expect = OVS_BE64_MAX;
|
||
} else {
|
||
uint64_t mask = (UINT64_C(1) << n_bits) - 1;
|
||
expect = orig_dst | htonll(mask << dst_ofs);
|
||
}
|
||
|
||
bitwise_one(&dst, sizeof dst, dst_ofs, n_bits);
|
||
if (expect != dst) {
|
||
fprintf(stderr,"bitwise_one(0x%016"PRIx64",8,%d, %d) "
|
||
"yielded 0x%016"PRIx64" "
|
||
"instead of the expected 0x%016"PRIx64"\n",
|
||
ntohll(orig_dst), dst_ofs,
|
||
n_bits,
|
||
ntohll(dst), ntohll(expect));
|
||
abort();
|
||
}
|
||
|
||
n_loops++;
|
||
}
|
||
}
|
||
|
||
if (n_loops != 64 * (64 + 1) / 2) {
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_bitwise_is_all_zeros(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
int n_loops;
|
||
|
||
for (n_loops = 0; n_loops < 100; n_loops++) {
|
||
ovs_be64 x = htonll(0);
|
||
int i;
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
ovs_be64 bit;
|
||
int ofs, n;
|
||
|
||
/* Change a random 0-bit into a 1-bit. */
|
||
do {
|
||
bit = htonll(UINT64_C(1) << (random_range(64)));
|
||
} while (x & bit);
|
||
x |= bit;
|
||
|
||
for (ofs = 0; ofs < 64; ofs++) {
|
||
for (n = 0; n <= 64 - ofs; n++) {
|
||
bool expect;
|
||
bool answer;
|
||
|
||
expect = (n == 64
|
||
? x == 0
|
||
: !(x & htonll(((UINT64_C(1) << n) - 1)
|
||
<< ofs)));
|
||
answer = bitwise_is_all_zeros(&x, sizeof x, ofs, n);
|
||
if (expect != answer) {
|
||
fprintf(stderr,
|
||
"bitwise_is_all_zeros(0x%016"PRIx64",8,%d,%d "
|
||
"returned %s instead of %s\n",
|
||
ntohll(x), ofs, n,
|
||
answer ? "true" : "false",
|
||
expect ? "true" : "false");
|
||
abort();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static int
|
||
trivial_bitwise_rscan(const void *p, unsigned int len, bool target,
|
||
int start, int end)
|
||
{
|
||
int ofs;
|
||
|
||
for (ofs = start; ofs > end; ofs--) {
|
||
if (bitwise_get_bit(p, len, ofs) == target) {
|
||
break;
|
||
}
|
||
}
|
||
return ofs;
|
||
}
|
||
|
||
static void
|
||
test_bitwise_rscan(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
/* All 1s */
|
||
uint8_t s1[3] = {0xff, 0xff, 0xff};
|
||
/* Target is the first bit */
|
||
ovs_assert(23 == bitwise_rscan(s1, 3, 1, 23, -1));
|
||
/* Target is not found, return -1 */
|
||
ovs_assert(-1 == bitwise_rscan(s1, 3, 0, 23, -1));
|
||
/* Target is not found and end != -1, return end */
|
||
ovs_assert(20 == bitwise_rscan(s1, 3, 0, 23, 20));
|
||
|
||
/* bit 20 - 23 are 0s */
|
||
uint8_t s2[3] = {0x0f, 0xff, 0xff};
|
||
/* Target is in the first byte but not the first bit */
|
||
ovs_assert(19 == bitwise_rscan(s2, 3, 1, 23, -1));
|
||
/* Target exists before the start postion */
|
||
ovs_assert(18 == bitwise_rscan(s2, 3, 1, 18, -1));
|
||
/* Target exists after the end postion, return end */
|
||
ovs_assert(20 == bitwise_rscan(s2, 3, 1, 23, 20));
|
||
/* Target is at the end postion, return end */
|
||
ovs_assert(19 == bitwise_rscan(s2, 3, 1, 23, 19));
|
||
/* start == end, target at start */
|
||
ovs_assert(19 == bitwise_rscan(s2, 3, 1, 19, 19));
|
||
/* start == end, target not at start */
|
||
ovs_assert(20 == bitwise_rscan(s2, 3, 1, 20, 20));
|
||
/* Target is 0 ... */
|
||
ovs_assert(22 == bitwise_rscan(s2, 3, 0, 22, -1));
|
||
|
||
/* bit 4 - 23 are 0s */
|
||
uint8_t s3[3] = {0x00, 0x00, 0x0f};
|
||
/* Target is in the end byte */
|
||
ovs_assert(3 == bitwise_rscan(s3, 3, 1, 16, -1));
|
||
/* Target exists after the end byte, return end */
|
||
ovs_assert(15 == bitwise_rscan(s3, 3, 1, 23, 15));
|
||
/* Target exists in end byte but after the end bit, return end */
|
||
ovs_assert(4 == bitwise_rscan(s3, 3, 1, 23, 4));
|
||
/* Target is 0 ... */
|
||
ovs_assert(12 == bitwise_rscan(s3, 3, 0, 12, -1));
|
||
|
||
/* All 0s */
|
||
uint8_t s4[3] = {0x00, 0x00, 0x00};
|
||
/* Target not found */
|
||
ovs_assert(-1 == bitwise_rscan(s4, 3, 1, 23, -1));
|
||
/* Target is 0 ..., start is 0 */
|
||
ovs_assert(0 == bitwise_rscan(s4, 3, 0, 0, -1));
|
||
|
||
int n_loops;
|
||
for (n_loops = 0; n_loops < 100; n_loops++) {
|
||
ovs_be64 x = htonll(0);
|
||
int i;
|
||
|
||
for (i = 0; i < 64; i++) {
|
||
ovs_be64 bit;
|
||
|
||
/* Change a random 0-bit into a 1-bit. */
|
||
do {
|
||
bit = htonll(UINT64_C(1) << (random_range(64)));
|
||
} while (x & bit);
|
||
x |= bit;
|
||
|
||
for (int end = -1; end <= 63; end++) {
|
||
for (int start = end; start <= 63; start++) {
|
||
for (int target = 0; target < 2; target++) {
|
||
bool expect = trivial_bitwise_rscan(
|
||
&x, sizeof x, target, start, end);
|
||
bool answer = bitwise_rscan(
|
||
&x, sizeof x, target, start, end);
|
||
if (expect != answer) {
|
||
fprintf(stderr,
|
||
"bitwise_rscan(0x%016"PRIx64",8,%s,%d,%d) "
|
||
"returned %s instead of %s\n",
|
||
ntohll(x),
|
||
target ? "true" : "false",
|
||
start, end,
|
||
answer ? "true" : "false",
|
||
expect ? "true" : "false");
|
||
abort();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_follow_symlinks(struct ovs_cmdl_context *ctx)
|
||
{
|
||
int i;
|
||
|
||
for (i = 1; i < ctx->argc; i++) {
|
||
char *target = follow_symlinks(ctx->argv[i]);
|
||
puts(target);
|
||
free(target);
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_assert(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
ovs_assert(false);
|
||
}
|
||
|
||
static void
|
||
test_ovs_scan(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
char str[16], str2[16], str3[16];
|
||
long double ld, ld2;
|
||
long long ll, ll2;
|
||
signed char c, c2;
|
||
ptrdiff_t pd, pd2;
|
||
intmax_t im, im2;
|
||
size_t sz, sz2;
|
||
int n, n2, n3;
|
||
double d, d2;
|
||
short s, s2;
|
||
float f, f2;
|
||
long l, l2;
|
||
int i, i2;
|
||
|
||
ovs_assert(ovs_scan("", " "));
|
||
ovs_assert(ovs_scan(" ", " "));
|
||
ovs_assert(ovs_scan(" ", " "));
|
||
ovs_assert(ovs_scan(" \t ", " "));
|
||
|
||
ovs_assert(ovs_scan("xyzzy", "xyzzy"));
|
||
ovs_assert(ovs_scan("xy%zzy", "xy%%zzy"));
|
||
ovs_assert(!ovs_scan(" xy%zzy", "xy%%zzy"));
|
||
ovs_assert(ovs_scan(" xy%\tzzy", " xy%% zzy"));
|
||
|
||
ovs_assert(ovs_scan("123", "%d", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0", "%d", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(!ovs_scan("123", "%d%d", &i, &i2));
|
||
ovs_assert(ovs_scan("+123", "%d", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("-123", "%d", &i));
|
||
ovs_assert(i == -123);
|
||
ovs_assert(ovs_scan("0123", "%d", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan(" 123", "%d", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0x123", "%d", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(ovs_scan("123", "%2d %d", &i, &i2));
|
||
ovs_assert(i == 12);
|
||
ovs_assert(i2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2d %d", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2d %d", &i, &i2));
|
||
ovs_assert(i == -1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2d %d", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("123", "%*2d %d", &i));
|
||
ovs_assert(i == 3);
|
||
ovs_assert(ovs_scan("+123", "%2d %*d", &i));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%*2d %*d"));
|
||
|
||
ovs_assert(ovs_scan("123", "%u", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0", "%u", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(!ovs_scan("123", "%u%u", &i, &i2));
|
||
ovs_assert(ovs_scan("+123", "%u", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("-123", "%u", &i));
|
||
ovs_assert(i == -123);
|
||
ovs_assert(ovs_scan("0123", "%u", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan(" 123", "%u", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0x123", "%u", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(ovs_scan("123", "%2u %u", &i, &i2));
|
||
ovs_assert(i == 12);
|
||
ovs_assert(i2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2u %u", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2u %u", &i, &i2));
|
||
ovs_assert(i == -1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2u %u", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("123", "%*2u %u", &i));
|
||
ovs_assert(i == 3);
|
||
ovs_assert(ovs_scan("+123", "%2u %*u", &i));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%*2u %*u"));
|
||
|
||
ovs_assert(ovs_scan("123", "%i", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0", "%i", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(!ovs_scan("123", "%i%i", &i, &i2));
|
||
ovs_assert(ovs_scan("+123", "%i", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("-123", "%i", &i));
|
||
ovs_assert(i == -123);
|
||
ovs_assert(ovs_scan("0123", "%i", &i));
|
||
ovs_assert(i == 0123);
|
||
ovs_assert(ovs_scan(" 123", "%i", &i));
|
||
ovs_assert(i == 123);
|
||
ovs_assert(ovs_scan("0x123", "%i", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan("123", "%2i %i", &i, &i2));
|
||
ovs_assert(i == 12);
|
||
ovs_assert(i2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2i %i", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2i %i", &i, &i2));
|
||
ovs_assert(i == -1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2i %i", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("123", "%*2i %i", &i));
|
||
ovs_assert(i == 3);
|
||
ovs_assert(ovs_scan("+123", "%2i %*i", &i));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%*2i %*i"));
|
||
|
||
ovs_assert(ovs_scan("123", "%o", &i));
|
||
ovs_assert(i == 0123);
|
||
ovs_assert(ovs_scan("0", "%o", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(!ovs_scan("123", "%o%o", &i, &i2));
|
||
ovs_assert(ovs_scan("+123", "%o", &i));
|
||
ovs_assert(i == 0123);
|
||
ovs_assert(ovs_scan("-123", "%o", &i));
|
||
ovs_assert(i == -0123);
|
||
ovs_assert(ovs_scan("0123", "%o", &i));
|
||
ovs_assert(i == 0123);
|
||
ovs_assert(ovs_scan(" 123", "%o", &i));
|
||
ovs_assert(i == 0123);
|
||
ovs_assert(ovs_scan("0x123", "%o", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(ovs_scan("123", "%2o %o", &i, &i2));
|
||
ovs_assert(i == 012);
|
||
ovs_assert(i2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2o %o", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 023);
|
||
ovs_assert(ovs_scan("-123", "%2o %o", &i, &i2));
|
||
ovs_assert(i == -1);
|
||
ovs_assert(i2 == 023);
|
||
ovs_assert(ovs_scan("0123", "%2o %o", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 023);
|
||
ovs_assert(ovs_scan("123", "%*2o %o", &i));
|
||
ovs_assert(i == 3);
|
||
ovs_assert(ovs_scan("+123", "%2o %*o", &i));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 023);
|
||
ovs_assert(ovs_scan("-123", "%*2o %*o"));
|
||
|
||
ovs_assert(ovs_scan("123", "%x", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan("0", "%x", &i));
|
||
ovs_assert(i == 0);
|
||
ovs_assert(!ovs_scan("123", "%x%x", &i, &i2));
|
||
ovs_assert(ovs_scan("+123", "%x", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan("-123", "%x", &i));
|
||
ovs_assert(i == -0x123);
|
||
ovs_assert(ovs_scan("0123", "%x", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan(" 123", "%x", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan("0x123", "%x", &i));
|
||
ovs_assert(i == 0x123);
|
||
ovs_assert(ovs_scan("123", "%2x %x", &i, &i2));
|
||
ovs_assert(i == 0x12);
|
||
ovs_assert(i2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2x %x", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 0x23);
|
||
ovs_assert(ovs_scan("-123", "%2x %x", &i, &i2));
|
||
ovs_assert(i == -1);
|
||
ovs_assert(i2 == 0x23);
|
||
ovs_assert(ovs_scan("0123", "%2x %x", &i, &i2));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 0x23);
|
||
ovs_assert(ovs_scan("123", "%*2x %x", &i));
|
||
ovs_assert(i == 3);
|
||
ovs_assert(ovs_scan("+123", "%2x %*x", &i));
|
||
ovs_assert(i == 1);
|
||
ovs_assert(i2 == 0x23);
|
||
ovs_assert(ovs_scan("-123", "%*2x %*x"));
|
||
|
||
ovs_assert(ovs_scan("123", "%hd", &s));
|
||
ovs_assert(s == 123);
|
||
ovs_assert(!ovs_scan("123", "%hd%hd", &s, &s2));
|
||
ovs_assert(ovs_scan("+123", "%hd", &s));
|
||
ovs_assert(s == 123);
|
||
ovs_assert(ovs_scan("-123", "%hd", &s));
|
||
ovs_assert(s == -123);
|
||
ovs_assert(ovs_scan("0123", "%hd", &s));
|
||
ovs_assert(s == 123);
|
||
ovs_assert(ovs_scan(" 123", "%hd", &s));
|
||
ovs_assert(s == 123);
|
||
ovs_assert(ovs_scan("0x123", "%hd", &s));
|
||
ovs_assert(s == 0);
|
||
ovs_assert(ovs_scan("123", "%2hd %hd", &s, &s2));
|
||
ovs_assert(s == 12);
|
||
ovs_assert(s2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2hd %hd", &s, &s2));
|
||
ovs_assert(s == 1);
|
||
ovs_assert(s2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2hd %hd", &s, &s2));
|
||
ovs_assert(s == -1);
|
||
ovs_assert(s2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2hd %hd", &s, &s2));
|
||
ovs_assert(s == 1);
|
||
ovs_assert(s2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%hhd", &c));
|
||
ovs_assert(c == 123);
|
||
ovs_assert(ovs_scan("0", "%hhd", &c));
|
||
ovs_assert(c == 0);
|
||
ovs_assert(!ovs_scan("123", "%hhd%hhd", &c, &c2));
|
||
ovs_assert(ovs_scan("+123", "%hhd", &c));
|
||
ovs_assert(c == 123);
|
||
ovs_assert(ovs_scan("-123", "%hhd", &c));
|
||
ovs_assert(c == -123);
|
||
ovs_assert(ovs_scan("0123", "%hhd", &c));
|
||
ovs_assert(c == 123);
|
||
ovs_assert(ovs_scan(" 123", "%hhd", &c));
|
||
ovs_assert(c == 123);
|
||
ovs_assert(ovs_scan("0x123", "%hhd", &c));
|
||
ovs_assert(c == 0);
|
||
ovs_assert(ovs_scan("123", "%2hhd %hhd", &c, &c2));
|
||
ovs_assert(c == 12);
|
||
ovs_assert(c2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2hhd %hhd", &c, &c2));
|
||
ovs_assert(c == 1);
|
||
ovs_assert(c2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2hhd %hhd", &c, &c2));
|
||
ovs_assert(c == -1);
|
||
ovs_assert(c2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2hhd %hhd", &c, &c2));
|
||
ovs_assert(c == 1);
|
||
ovs_assert(c2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%ld", &l));
|
||
ovs_assert(l == 123);
|
||
ovs_assert(ovs_scan("0", "%ld", &l));
|
||
ovs_assert(l == 0);
|
||
ovs_assert(!ovs_scan("123", "%ld%ld", &l, &l2));
|
||
ovs_assert(ovs_scan("+123", "%ld", &l));
|
||
ovs_assert(l == 123);
|
||
ovs_assert(ovs_scan("-123", "%ld", &l));
|
||
ovs_assert(l == -123);
|
||
ovs_assert(ovs_scan("0123", "%ld", &l));
|
||
ovs_assert(l == 123);
|
||
ovs_assert(ovs_scan(" 123", "%ld", &l));
|
||
ovs_assert(l == 123);
|
||
ovs_assert(ovs_scan("0x123", "%ld", &l));
|
||
ovs_assert(l == 0);
|
||
ovs_assert(ovs_scan("123", "%2ld %ld", &l, &l2));
|
||
ovs_assert(l == 12);
|
||
ovs_assert(l2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2ld %ld", &l, &l2));
|
||
ovs_assert(l == 1);
|
||
ovs_assert(l2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2ld %ld", &l, &l2));
|
||
ovs_assert(l == -1);
|
||
ovs_assert(l2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2ld %ld", &l, &l2));
|
||
ovs_assert(l == 1);
|
||
ovs_assert(l2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%lld", &ll));
|
||
ovs_assert(ll == 123);
|
||
ovs_assert(ovs_scan("0", "%lld", &ll));
|
||
ovs_assert(ll == 0);
|
||
ovs_assert(!ovs_scan("123", "%lld%lld", &ll, &ll2));
|
||
ovs_assert(ovs_scan("+123", "%lld", &ll));
|
||
ovs_assert(ll == 123);
|
||
ovs_assert(ovs_scan("-123", "%lld", &ll));
|
||
ovs_assert(ll == -123);
|
||
ovs_assert(ovs_scan("0123", "%lld", &ll));
|
||
ovs_assert(ll == 123);
|
||
ovs_assert(ovs_scan(" 123", "%lld", &ll));
|
||
ovs_assert(ll == 123);
|
||
ovs_assert(ovs_scan("0x123", "%lld", &ll));
|
||
ovs_assert(ll == 0);
|
||
ovs_assert(ovs_scan("123", "%2lld %lld", &ll, &ll2));
|
||
ovs_assert(ll == 12);
|
||
ovs_assert(ll2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2lld %lld", &ll, &ll2));
|
||
ovs_assert(ll == 1);
|
||
ovs_assert(ll2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2lld %lld", &ll, &ll2));
|
||
ovs_assert(ll == -1);
|
||
ovs_assert(ll2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2lld %lld", &ll, &ll2));
|
||
ovs_assert(ll == 1);
|
||
ovs_assert(ll2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%jd", &im));
|
||
ovs_assert(im == 123);
|
||
ovs_assert(ovs_scan("0", "%jd", &im));
|
||
ovs_assert(im == 0);
|
||
ovs_assert(!ovs_scan("123", "%jd%jd", &im, &im2));
|
||
ovs_assert(ovs_scan("+123", "%jd", &im));
|
||
ovs_assert(im == 123);
|
||
ovs_assert(ovs_scan("-123", "%jd", &im));
|
||
ovs_assert(im == -123);
|
||
ovs_assert(ovs_scan("0123", "%jd", &im));
|
||
ovs_assert(im == 123);
|
||
ovs_assert(ovs_scan(" 123", "%jd", &im));
|
||
ovs_assert(im == 123);
|
||
ovs_assert(ovs_scan("0x123", "%jd", &im));
|
||
ovs_assert(im == 0);
|
||
ovs_assert(ovs_scan("123", "%2jd %jd", &im, &im2));
|
||
ovs_assert(im == 12);
|
||
ovs_assert(im2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2jd %jd", &im, &im2));
|
||
ovs_assert(im == 1);
|
||
ovs_assert(im2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2jd %jd", &im, &im2));
|
||
ovs_assert(im == -1);
|
||
ovs_assert(im2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2jd %jd", &im, &im2));
|
||
ovs_assert(im == 1);
|
||
ovs_assert(im2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%td", &pd));
|
||
ovs_assert(pd == 123);
|
||
ovs_assert(ovs_scan("0", "%td", &pd));
|
||
ovs_assert(pd == 0);
|
||
ovs_assert(!ovs_scan("123", "%td%td", &pd, &pd2));
|
||
ovs_assert(ovs_scan("+123", "%td", &pd));
|
||
ovs_assert(pd == 123);
|
||
ovs_assert(ovs_scan("-123", "%td", &pd));
|
||
ovs_assert(pd == -123);
|
||
ovs_assert(ovs_scan("0123", "%td", &pd));
|
||
ovs_assert(pd == 123);
|
||
ovs_assert(ovs_scan(" 123", "%td", &pd));
|
||
ovs_assert(pd == 123);
|
||
ovs_assert(ovs_scan("0x123", "%td", &pd));
|
||
ovs_assert(pd == 0);
|
||
ovs_assert(ovs_scan("123", "%2td %td", &pd, &pd2));
|
||
ovs_assert(pd == 12);
|
||
ovs_assert(pd2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2td %td", &pd, &pd2));
|
||
ovs_assert(pd == 1);
|
||
ovs_assert(pd2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2td %td", &pd, &pd2));
|
||
ovs_assert(pd == -1);
|
||
ovs_assert(pd2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2td %td", &pd, &pd2));
|
||
ovs_assert(pd == 1);
|
||
ovs_assert(pd2 == 23);
|
||
|
||
ovs_assert(ovs_scan("123", "%zd", &sz));
|
||
ovs_assert(sz == 123);
|
||
ovs_assert(ovs_scan("0", "%zd", &sz));
|
||
ovs_assert(sz == 0);
|
||
ovs_assert(!ovs_scan("123", "%zd%zd", &sz, &sz2));
|
||
ovs_assert(ovs_scan("+123", "%zd", &sz));
|
||
ovs_assert(sz == 123);
|
||
ovs_assert(ovs_scan("-123", "%zd", &sz));
|
||
ovs_assert(sz == -123);
|
||
ovs_assert(ovs_scan("0123", "%zd", &sz));
|
||
ovs_assert(sz == 123);
|
||
ovs_assert(ovs_scan(" 123", "%zd", &sz));
|
||
ovs_assert(sz == 123);
|
||
ovs_assert(ovs_scan("0x123", "%zd", &sz));
|
||
ovs_assert(sz == 0);
|
||
ovs_assert(ovs_scan("123", "%2zd %zd", &sz, &sz2));
|
||
ovs_assert(sz == 12);
|
||
ovs_assert(sz2 == 3);
|
||
ovs_assert(ovs_scan("+123", "%2zd %zd", &sz, &sz2));
|
||
ovs_assert(sz == 1);
|
||
ovs_assert(sz2 == 23);
|
||
ovs_assert(ovs_scan("-123", "%2zd %zd", &sz, &sz2));
|
||
ovs_assert(sz == -1);
|
||
ovs_assert(sz2 == 23);
|
||
ovs_assert(ovs_scan("0123", "%2zd %zd", &sz, &sz2));
|
||
ovs_assert(sz == 1);
|
||
ovs_assert(sz2 == 23);
|
||
|
||
ovs_assert(ovs_scan("0.25", "%f", &f));
|
||
ovs_assert(f == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%f", &f));
|
||
ovs_assert(f == 1.0);
|
||
ovs_assert(ovs_scan("-5", "%f", &f));
|
||
ovs_assert(f == -5.0);
|
||
ovs_assert(ovs_scan("+6", "%f", &f));
|
||
ovs_assert(f == 6.0);
|
||
ovs_assert(ovs_scan("-1e5", "%f", &f));
|
||
ovs_assert(f == -1e5);
|
||
ovs_assert(ovs_scan("-.25", "%f", &f));
|
||
ovs_assert(f == -.25);
|
||
ovs_assert(ovs_scan("+123.e1", "%f", &f));
|
||
ovs_assert(f == 1230.0);
|
||
ovs_assert(ovs_scan("25e-2", "%f", &f));
|
||
ovs_assert(f == 0.25);
|
||
ovs_assert(ovs_scan("0.25", "%1f %f", &f, &f2));
|
||
ovs_assert(f == 0);
|
||
ovs_assert(f2 == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%2f %f", &f, &f2));
|
||
ovs_assert(f == 1.0);
|
||
ovs_assert(f2 == 0.0);
|
||
ovs_assert(!ovs_scan("-5", "%1f", &f));
|
||
ovs_assert(!ovs_scan("+6", "%1f", &f));
|
||
ovs_assert(!ovs_scan("-1e5", "%2f %*f", &f));
|
||
ovs_assert(f == -1);
|
||
ovs_assert(!ovs_scan("-.25", "%2f", &f));
|
||
ovs_assert(!ovs_scan("+123.e1", "%6f", &f));
|
||
ovs_assert(!ovs_scan("25e-2", "%4f", &f));
|
||
|
||
ovs_assert(ovs_scan("0.25", "%lf", &d));
|
||
ovs_assert(d == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%lf", &d));
|
||
ovs_assert(d == 1.0);
|
||
ovs_assert(ovs_scan("-5", "%lf", &d));
|
||
ovs_assert(d == -5.0);
|
||
ovs_assert(ovs_scan("+6", "%lf", &d));
|
||
ovs_assert(d == 6.0);
|
||
ovs_assert(ovs_scan("-1e5", "%lf", &d));
|
||
ovs_assert(d == -1e5);
|
||
ovs_assert(ovs_scan("-.25", "%lf", &d));
|
||
ovs_assert(d == -.25);
|
||
ovs_assert(ovs_scan("+123.e1", "%lf", &d));
|
||
ovs_assert(d == 1230.0);
|
||
ovs_assert(ovs_scan("25e-2", "%lf", &d));
|
||
ovs_assert(d == 0.25);
|
||
ovs_assert(ovs_scan("0.25", "%1lf %lf", &d, &d2));
|
||
ovs_assert(d == 0);
|
||
ovs_assert(d2 == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%2lf %lf", &d, &d2));
|
||
ovs_assert(d == 1.0);
|
||
ovs_assert(d2 == 0.0);
|
||
ovs_assert(!ovs_scan("-5", "%1lf", &d));
|
||
ovs_assert(!ovs_scan("+6", "%1lf", &d));
|
||
ovs_assert(!ovs_scan("-1e5", "%2lf %*f", &d));
|
||
ovs_assert(d == -1);
|
||
ovs_assert(!ovs_scan("-.25", "%2lf", &d));
|
||
ovs_assert(!ovs_scan("+123.e1", "%6lf", &d));
|
||
ovs_assert(!ovs_scan("25e-2", "%4lf", &d));
|
||
|
||
ovs_assert(ovs_scan("0.25", "%Lf", &ld));
|
||
ovs_assert(ld == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%Lf", &ld));
|
||
ovs_assert(ld == 1.0);
|
||
ovs_assert(ovs_scan("-5", "%Lf", &ld));
|
||
ovs_assert(ld == -5.0);
|
||
ovs_assert(ovs_scan("+6", "%Lf", &ld));
|
||
ovs_assert(ld == 6.0);
|
||
ovs_assert(ovs_scan("-1e5", "%Lf", &ld));
|
||
ovs_assert(ld == -1e5);
|
||
ovs_assert(ovs_scan("-.25", "%Lf", &ld));
|
||
ovs_assert(ld == -.25);
|
||
ovs_assert(ovs_scan("+123.e1", "%Lf", &ld));
|
||
ovs_assert(ld == 1230.0);
|
||
ovs_assert(ovs_scan("25e-2", "%Lf", &ld));
|
||
ovs_assert(ld == 0.25);
|
||
ovs_assert(ovs_scan("0.25", "%1Lf %Lf", &ld, &ld2));
|
||
ovs_assert(ld == 0);
|
||
ovs_assert(ld2 == 0.25);
|
||
ovs_assert(ovs_scan("1.0", "%2Lf %Lf", &ld, &ld2));
|
||
ovs_assert(ld == 1.0);
|
||
ovs_assert(ld2 == 0.0);
|
||
ovs_assert(!ovs_scan("-5", "%1Lf", &ld));
|
||
ovs_assert(!ovs_scan("+6", "%1Lf", &ld));
|
||
ovs_assert(!ovs_scan("-1e5", "%2Lf %*f", &ld));
|
||
ovs_assert(ld == -1);
|
||
ovs_assert(!ovs_scan("-.25", "%2Lf", &ld));
|
||
ovs_assert(!ovs_scan("+123.e1", "%6Lf", &ld));
|
||
ovs_assert(!ovs_scan("25e-2", "%4Lf", &ld));
|
||
|
||
ovs_assert(ovs_scan(" Hello,\tworld ", "%*s%n%*s%n", &n, &n2));
|
||
ovs_assert(n == 7);
|
||
ovs_assert(n2 == 13);
|
||
ovs_assert(!ovs_scan(" Hello,\tworld ", "%*s%*s%*s"));
|
||
ovs_assert(ovs_scan(" Hello,\tworld ", "%6s%n%5s%n", str, &n, str2, &n2));
|
||
ovs_assert(!strcmp(str, "Hello,"));
|
||
ovs_assert(n == 7);
|
||
ovs_assert(!strcmp(str2, "world"));
|
||
ovs_assert(n2 == 13);
|
||
ovs_assert(ovs_scan(" Hello,\tworld ", "%5s%5s%5s", str, str2, str3));
|
||
ovs_assert(!strcmp(str, "Hello"));
|
||
ovs_assert(!strcmp(str2, ","));
|
||
ovs_assert(!strcmp(str3, "world"));
|
||
ovs_assert(!ovs_scan(" ", "%*s"));
|
||
|
||
ovs_assert(ovs_scan(" Hello,\tworld ", "%*c%n%*c%n%c%n",
|
||
&n, &n2, &c, &n3));
|
||
ovs_assert(n == 1);
|
||
ovs_assert(n2 == 2);
|
||
ovs_assert(c == 'e');
|
||
ovs_assert(n3 == 3);
|
||
ovs_assert(ovs_scan(" Hello,\tworld ", "%*5c%5c", str));
|
||
ovs_assert(!memcmp(str, "o,\two", 5));
|
||
ovs_assert(!ovs_scan(" Hello,\tworld ", "%*15c"));
|
||
|
||
ovs_assert(ovs_scan("0x1234xyzzy", "%9[x0-9a-fA-F]%n", str, &n));
|
||
ovs_assert(!strcmp(str, "0x1234x"));
|
||
ovs_assert(n == 7);
|
||
ovs_assert(ovs_scan("foo:bar=baz", "%5[^:=]%n:%5[^:=]%n=%5[^:=]%n",
|
||
str, &n, str2, &n2, str3, &n3));
|
||
ovs_assert(!strcmp(str, "foo"));
|
||
ovs_assert(n == 3);
|
||
ovs_assert(!strcmp(str2, "bar"));
|
||
ovs_assert(n2 == 7);
|
||
ovs_assert(!strcmp(str3, "baz"));
|
||
ovs_assert(n3 == 11);
|
||
ovs_assert(!ovs_scan(" ", "%*[0-9]"));
|
||
ovs_assert(ovs_scan("0x123a]4xyzzy-", "%[]x0-9a-fA-F]", str));
|
||
ovs_assert(!strcmp(str, "0x123a]4x"));
|
||
ovs_assert(ovs_scan("abc]xyz","%[^]xyz]", str));
|
||
ovs_assert(!strcmp(str, "abc"));
|
||
ovs_assert(!ovs_scan("0x123a]4xyzzy-", "%[x0-9]a-fA-F]", str));
|
||
ovs_assert(ovs_scan("0x12-3]xyz", "%[x0-9a-f-]", str));
|
||
ovs_assert(!strcmp(str, "0x12-3"));
|
||
ovs_assert(ovs_scan("0x12-3]xyz", "%[^a-f-]", str));
|
||
ovs_assert(!strcmp(str, "0x12"));
|
||
ovs_assert(sscanf("0x12-3]xyz", "%[^-a-f]", str));
|
||
ovs_assert(!strcmp(str, "0x12"));
|
||
}
|
||
|
||
static void
|
||
test_snprintf(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
char s[16];
|
||
|
||
#if __GNUC__ >= 7
|
||
/* GCC 7+ warns about the following calls that truncate a string using
|
||
* snprintf(). We're testing that truncation works properly, so
|
||
* temporarily disable the warning. */
|
||
#pragma GCC diagnostic push
|
||
#pragma GCC diagnostic ignored "-Wformat-truncation"
|
||
#endif
|
||
ovs_assert(snprintf(s, 4, "abcde") == 5);
|
||
ovs_assert(!strcmp(s, "abc"));
|
||
|
||
ovs_assert(snprintf(s, 5, "abcde") == 5);
|
||
ovs_assert(!strcmp(s, "abcd"));
|
||
#if __GNUC__ >= 7
|
||
#pragma GCC diagnostic pop
|
||
#endif
|
||
|
||
ovs_assert(snprintf(s, 6, "abcde") == 5);
|
||
ovs_assert(!strcmp(s, "abcde"));
|
||
|
||
ovs_assert(snprintf(NULL, 0, "abcde") == 5);
|
||
}
|
||
|
||
static void
|
||
check_sat(long long int x, long long int y, const char *op,
|
||
long long int r_a, long long int r_b)
|
||
{
|
||
if (r_a != r_b) {
|
||
fprintf(stderr, "%lld %s %lld saturates differently: %lld vs %lld\n",
|
||
x, op, y, r_a, r_b);
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static void
|
||
test_sat_math(struct ovs_cmdl_context *ctx OVS_UNUSED)
|
||
{
|
||
long long int values[] = {
|
||
LLONG_MIN, LLONG_MIN + 1, LLONG_MIN + 2, LLONG_MIN + 3,
|
||
LLONG_MIN + 4, LLONG_MIN + 5, LLONG_MIN + 6, LLONG_MIN + 7,
|
||
LLONG_MIN / 2, LLONG_MIN / 3, LLONG_MIN / 4, LLONG_MIN / 5,
|
||
-1000, -50, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0,
|
||
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 50, 1000,
|
||
LLONG_MAX / 5, LLONG_MAX / 4, LLONG_MAX / 3, LLONG_MAX / 2,
|
||
LLONG_MAX - 7, LLONG_MAX - 6, LLONG_MAX - 5, LLONG_MAX - 4,
|
||
LLONG_MAX - 3, LLONG_MAX - 2, LLONG_MAX - 1, LLONG_MAX,
|
||
};
|
||
|
||
/* Compare the behavior of our local implementation of these functions
|
||
* against the compiler implementation or its fallback. (If the fallback
|
||
* is in use then this is comparing the fallback to itself, so this test is
|
||
* only really useful if the compiler has an implementation.) */
|
||
for (long long int *x = values; x < values + ARRAY_SIZE(values); x++) {
|
||
for (long long int *y = values; y < values + ARRAY_SIZE(values); y++) {
|
||
check_sat(*x, *y, "+", llsat_add(*x, *y), llsat_add__(*x, *y));
|
||
check_sat(*x, *y, "-", llsat_sub(*x, *y), llsat_sub__(*x, *y));
|
||
check_sat(*x, *y, "*", llsat_mul(*x, *y), llsat_mul__(*x, *y));
|
||
}
|
||
}
|
||
}
|
||
|
||
#ifndef _WIN32
|
||
static void
|
||
test_file_name(struct ovs_cmdl_context *ctx)
|
||
{
|
||
int i;
|
||
|
||
for (i = 1; i < ctx->argc; i++) {
|
||
char *dir, *base;
|
||
|
||
dir = dir_name(ctx->argv[i]);
|
||
puts(dir);
|
||
free(dir);
|
||
|
||
base = base_name(ctx->argv[i]);
|
||
puts(base);
|
||
free(base);
|
||
}
|
||
}
|
||
#endif /* _WIN32 */
|
||
|
||
static const struct ovs_cmdl_command commands[] = {
|
||
{"ctz", NULL, 0, 0, test_ctz, OVS_RO},
|
||
{"clz", NULL, 0, 0, test_clz, OVS_RO},
|
||
{"round_up_pow2", NULL, 0, 0, test_round_up_pow2, OVS_RO},
|
||
{"round_down_pow2", NULL, 0, 0, test_round_down_pow2, OVS_RO},
|
||
{"count_1bits", NULL, 0, 0, test_count_1bits, OVS_RO},
|
||
{"log_2_floor", NULL, 0, 0, test_log_2_floor, OVS_RO},
|
||
{"bitwise_copy", NULL, 0, 0, test_bitwise_copy, OVS_RO},
|
||
{"bitwise_zero", NULL, 0, 0, test_bitwise_zero, OVS_RO},
|
||
{"bitwise_one", NULL, 0, 0, test_bitwise_one, OVS_RO},
|
||
{"bitwise_is_all_zeros", NULL, 0, 0, test_bitwise_is_all_zeros, OVS_RO},
|
||
{"bitwise_rscan", NULL, 0, 0, test_bitwise_rscan, OVS_RO},
|
||
{"follow-symlinks", NULL, 1, INT_MAX, test_follow_symlinks, OVS_RO},
|
||
{"assert", NULL, 0, 0, test_assert, OVS_RO},
|
||
{"ovs_scan", NULL, 0, 0, test_ovs_scan, OVS_RO},
|
||
{"snprintf", NULL, 0, 0, test_snprintf, OVS_RO},
|
||
{"sat_math", NULL, 0, 0, test_sat_math, OVS_RO},
|
||
#ifndef _WIN32
|
||
{"file_name", NULL, 1, INT_MAX, test_file_name, OVS_RO},
|
||
#endif
|
||
{NULL, NULL, 0, 0, NULL, OVS_RO},
|
||
};
|
||
|
||
static void
|
||
parse_options(int argc, char *argv[])
|
||
{
|
||
enum {
|
||
VLOG_OPTION_ENUMS
|
||
};
|
||
static const struct option long_options[] = {
|
||
VLOG_LONG_OPTIONS,
|
||
{NULL, 0, NULL, 0},
|
||
};
|
||
char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
|
||
|
||
for (;;) {
|
||
int c = getopt_long(argc, argv, short_options, long_options, NULL);
|
||
if (c == -1) {
|
||
break;
|
||
}
|
||
|
||
switch (c) {
|
||
VLOG_OPTION_HANDLERS
|
||
|
||
case '?':
|
||
exit(EXIT_FAILURE);
|
||
|
||
default:
|
||
abort();
|
||
}
|
||
}
|
||
free(short_options);
|
||
}
|
||
|
||
static void
|
||
test_util_main(int argc, char *argv[])
|
||
{
|
||
struct ovs_cmdl_context ctx = { .argc = 0, };
|
||
set_program_name(argv[0]);
|
||
parse_options(argc, argv);
|
||
/* On Windows, stderr is fully buffered if connected to a pipe.
|
||
* Make it _IONBF so that an abort does not miss log contents.
|
||
* POSIX doesn't define the circumstances in which stderr is
|
||
* fully buffered either. */
|
||
setvbuf(stderr, NULL, _IONBF, 0);
|
||
ctx.argc = argc - optind;
|
||
ctx.argv = argv + optind;
|
||
ovs_cmdl_run_command(&ctx, commands);
|
||
}
|
||
|
||
OVSTEST_REGISTER("test-util", test_util_main);
|