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ut/bdev/raid: Remove unnecessary NULL byte appends after snprintf()

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snprintf() do not write more than specified bytes including the
terminating null byte. If the output was truncated due to this limit
then the return byte is the number of chars excluding the terminating
null byte.

So remove NULL byte appends after snprintf() in this patch.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ic5b7719791721c6ae7b1dd8367be454b34df0fe5
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/464476
Reviewed-by: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Shuhei Matsumoto 2019-08-08 08:42:56 +09:00 committed by Changpeng Liu
parent 6e90531549
commit 5135e6e76d
1 changed files with 7 additions and 19 deletions
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26
test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c
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@ -1052,11 +1052,9 @@ create_base_bdevs(uint32_t bbdev_start_idx)
uint8_t i;
struct spdk_bdev *base_bdev;
char name[16];
uint16_t num_chars;
for (i = 0; i < g_max_base_drives; i++, bbdev_start_idx++) {
num_chars = snprintf(name, 16, "%s%u%s", "Nvme", bbdev_start_idx, "n1");
name[num_chars] = '\0';
snprintf(name, 16, "%s%u%s", "Nvme", bbdev_start_idx, "n1");
base_bdev = calloc(1, sizeof(struct spdk_bdev));
SPDK_CU_ASSERT_FATAL(base_bdev != NULL);
base_bdev->name = strdup(name);
@ -1073,7 +1071,6 @@ create_test_req(struct rpc_construct_raid_bdev *r, const char *raid_name, uint8_
{
uint8_t i;
char name[16];
uint16_t num_chars;
uint8_t bbdev_idx = bbdev_start_idx;
r->name = strdup(raid_name);
@ -1082,8 +1079,7 @@ create_test_req(struct rpc_construct_raid_bdev *r, const char *raid_name, uint8_
r->raid_level = 0;
r->base_bdevs.num_base_bdevs = g_max_base_drives;
for (i = 0; i < g_max_base_drives; i++, bbdev_idx++) {
num_chars = snprintf(name, 16, "%s%u%s", "Nvme", bbdev_idx, "n1");
name[num_chars] = '\0';
snprintf(name, 16, "%s%u%s", "Nvme", bbdev_idx, "n1");
r->base_bdevs.base_bdevs[i] = strdup(name);
SPDK_CU_ASSERT_FATAL(r->base_bdevs.base_bdevs[i] != NULL);
}
@ -1988,7 +1984,6 @@ test_multi_raid_no_io(void)
struct rpc_get_raid_bdevs get_raids_req;
uint8_t i;
char name[16];
uint32_t count;
uint8_t bbdev_idx = 0;
set_globals();
@ -1996,8 +1991,7 @@ test_multi_raid_no_io(void)
SPDK_CU_ASSERT_FATAL(construct_req != NULL);
CU_ASSERT(raid_bdev_init() == 0);
for (i = 0; i < g_max_raids; i++) {
count = snprintf(name, 16, "%s%u", "raid", i);
name[count] = '\0';
snprintf(name, 16, "%s%u", "raid", i);
create_test_req(&construct_req[i], name, bbdev_idx, true);
verify_raid_config_present(name, false);
verify_raid_bdev_present(name, false);
@ -2094,8 +2088,7 @@ test_multi_raid_no_io(void)
for (i = 0; i < g_max_raids; i++) {
SPDK_CU_ASSERT_FATAL(construct_req[i].name != NULL);
destroy_req.name = strdup(construct_req[i].name);
count = snprintf(name, 16, "%s", destroy_req.name);
name[count] = '\0';
snprintf(name, 16, "%s", destroy_req.name);
g_rpc_req = &destroy_req;
g_rpc_req_size = sizeof(destroy_req);
g_rpc_err = 0;
@ -2123,7 +2116,6 @@ test_multi_raid_with_io(void)
struct rpc_destroy_raid_bdev destroy_req;
uint8_t i, j;
char name[16];
uint32_t count;
uint8_t bbdev_idx = 0;
struct raid_bdev *pbdev;
struct spdk_io_channel *ch;
@ -2140,8 +2132,7 @@ test_multi_raid_with_io(void)
ch = calloc(g_max_raids, sizeof(struct spdk_io_channel) + sizeof(struct raid_bdev_io_channel));
SPDK_CU_ASSERT_FATAL(ch != NULL);
for (i = 0; i < g_max_raids; i++) {
count = snprintf(name, 16, "%s%u", "raid", i);
name[count] = '\0';
snprintf(name, 16, "%s%u", "raid", i);
create_test_req(&construct_req[i], name, bbdev_idx, true);
verify_raid_config_present(name, false);
verify_raid_bdev_present(name, false);
@ -2205,8 +2196,7 @@ test_multi_raid_with_io(void)
raid_bdev_destroy_cb(pbdev, ch_ctx);
CU_ASSERT(ch_ctx->base_channel == NULL);
destroy_req.name = strdup(construct_req[i].name);
count = snprintf(name, 16, "%s", destroy_req.name);
name[count] = '\0';
snprintf(name, 16, "%s", destroy_req.name);
g_rpc_req = &destroy_req;
g_rpc_req_size = sizeof(destroy_req);
g_rpc_err = 0;
@ -2285,7 +2275,6 @@ static void
test_create_raid_from_config_invalid_params(void)
{
struct rpc_construct_raid_bdev req;
uint8_t count;
set_globals();
g_rpc_req = &req;
@ -2339,8 +2328,7 @@ test_create_raid_from_config_invalid_params(void)
if (g_max_base_drives > 1) {
create_test_req(&req, "raid1", 0, false);
count = snprintf(req.base_bdevs.base_bdevs[g_max_base_drives - 1], 15, "%s", "Nvme0n1");
req.base_bdevs.base_bdevs[g_max_base_drives - 1][count] = '\0';
snprintf(req.base_bdevs.base_bdevs[g_max_base_drives - 1], 15, "%s", "Nvme0n1");
CU_ASSERT(raid_bdev_init() != 0);
free_test_req(&req);
verify_raid_config_present("raid1", false);