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casadm: skip printing strings of len 0

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An attempt to print a string of zero length was crashing casadm.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
This commit is contained in:
Michal Mielewczyk 2023-07-06 07:27:04 +02:00 committed by Rafal Stefanowski
parent 8724c29413
commit fc35684910
1 changed files with 3 additions and 0 deletions
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3
casadm/table.c
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@ -1,5 +1,6 @@
/* /*
* Copyright(c) 2012-2021 Intel Corporation * Copyright(c) 2012-2021 Intel Corporation
* Copyright(c) 2024 Huawei Technologies
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
#include <stdlib.h> #include <stdlib.h>
@ -124,6 +125,8 @@ int table_set(struct table *t, int y, int x, char *c)
int len = strnlen(c, MAX_STR_LEN); int len = strnlen(c, MAX_STR_LEN);
if (len >= MAX_STR_LEN) { if (len >= MAX_STR_LEN) {
return 1; return 1;
} else if (len == 0) {
return 0;
} }
/* step 1: ensure that space for row y is allocated */ /* step 1: ensure that space for row y is allocated */