1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
5 /* Use XSI-compliant portable version of strerror_r() */
14 #include <rte_per_lcore.h>
15 #include <rte_errno.h>
16 #include <rte_string_fns.h>
18 #ifdef RTE_EXEC_ENV_WINDOWS
19 #define strerror_r(errnum, buf, buflen) strerror_s(buf, buflen, errnum)
22 RTE_DEFINE_PER_LCORE(int, _rte_errno);
25 rte_strerror(int errnum)
27 /* BSD puts a colon in the "unknown error" messages, Linux doesn't */
28 #ifdef RTE_EXEC_ENV_FREEBSD
29 static const char *sep = ":";
31 static const char *sep = "";
34 static RTE_DEFINE_PER_LCORE(char[RETVAL_SZ], retval);
35 char *ret = RTE_PER_LCORE(retval);
37 /* since some implementations of strerror_r throw an error
38 * themselves if errnum is too big, we handle that case here */
39 if (errnum >= RTE_MAX_ERRNO)
40 snprintf(ret, RETVAL_SZ, "Unknown error%s %d", sep, errnum);
44 return "Invalid call in secondary process";
46 return "Missing rte_config structure";
48 if (strerror_r(errnum, ret, RETVAL_SZ) != 0)
49 snprintf(ret, RETVAL_SZ, "Unknown error%s %d",