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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
/* Use XSI-compliant portable version of strerror_r() */
#undef _GNU_SOURCE
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <rte_per_lcore.h>
#include <rte_errno.h>
#include <rte_string_fns.h>
RTE_DEFINE_PER_LCORE(int, _rte_errno);
const char *
rte_strerror(int errnum)
{
/* BSD puts a colon in the "unknown error" messages, Linux doesn't */
#ifdef RTE_EXEC_ENV_BSDAPP
static const char *sep = ":";
#else
static const char *sep = "";
#endif
#define RETVAL_SZ 256
static RTE_DEFINE_PER_LCORE(char[RETVAL_SZ], retval);
char *ret = RTE_PER_LCORE(retval);
/* since some implementations of strerror_r throw an error
* themselves if errnum is too big, we handle that case here */
if (errnum >= RTE_MAX_ERRNO)
snprintf(ret, RETVAL_SZ, "Unknown error%s %d", sep, errnum);
else
switch (errnum){
case E_RTE_SECONDARY:
return "Invalid call in secondary process";
case E_RTE_NO_CONFIG:
return "Missing rte_config structure";
default:
if (strerror_r(errnum, ret, RETVAL_SZ) != 0)
snprintf(ret, RETVAL_SZ, "Unknown error%s %d",
sep, errnum);
}
return ret;
}
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