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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <rte_per_lcore.h>
#include <rte_errno.h>
#include <rte_string_fns.h>
#include "test.h"
static int
test_errno(void)
{
const char *rte_retval;
const char *libc_retval;
#ifdef RTE_EXEC_ENV_BSDAPP
/* BSD has a colon in the string, unlike linux */
const char unknown_code_result[] = "Unknown error: %d";
#else
const char unknown_code_result[] = "Unknown error %d";
#endif
char expected_libc_retval[sizeof(unknown_code_result)+3];
/* use a small selection of standard errors for testing */
int std_errs[] = {EAGAIN, EBADF, EACCES, EINTR, EINVAL};
/* test ALL registered RTE error codes for overlap */
int rte_errs[] = {E_RTE_SECONDARY, E_RTE_NO_CONFIG};
unsigned i;
rte_errno = 0;
if (rte_errno != 0)
return -1;
/* check for standard errors we return the same as libc */
for (i = 0; i < sizeof(std_errs)/sizeof(std_errs[0]); i++){
rte_retval = rte_strerror(std_errs[i]);
libc_retval = strerror(std_errs[i]);
printf("rte_strerror: '%s', strerror: '%s'\n",
rte_retval, libc_retval);
if (strcmp(rte_retval, libc_retval) != 0)
return -1;
}
/* for rte-specific errors ensure we return a different string
* and that the string for libc is for an unknown error
*/
for (i = 0; i < sizeof(rte_errs)/sizeof(rte_errs[0]); i++){
rte_retval = rte_strerror(rte_errs[i]);
libc_retval = strerror(rte_errs[i]);
printf("rte_strerror: '%s', strerror: '%s'\n",
rte_retval, libc_retval);
if (strcmp(rte_retval, libc_retval) == 0)
return -1;
/* generate appropriate error string for unknown error number
* and then check that this is what we got back. If not, we have
* a duplicate error number that conflicts with errno.h */
snprintf(expected_libc_retval, sizeof(expected_libc_retval),
unknown_code_result, rte_errs[i]);
if ((strcmp(expected_libc_retval, libc_retval) != 0) &&
(strcmp("", libc_retval) != 0)){
printf("Error, duplicate error code %d\n", rte_errs[i]);
return -1;
}
}
/* ensure that beyond RTE_MAX_ERRNO, we always get an unknown code */
rte_retval = rte_strerror(RTE_MAX_ERRNO + 1);
libc_retval = strerror(RTE_MAX_ERRNO + 1);
snprintf(expected_libc_retval, sizeof(expected_libc_retval),
unknown_code_result, RTE_MAX_ERRNO + 1);
printf("rte_strerror: '%s', strerror: '%s'\n",
rte_retval, libc_retval);
if ((strcmp(rte_retval, libc_retval) != 0) ||
(strcmp(expected_libc_retval, libc_retval) != 0)){
if (strcmp("", libc_retval) != 0){
printf("Failed test for RTE_MAX_ERRNO + 1 value\n");
return -1;
}
}
return 0;
}
REGISTER_TEST_COMMAND(errno_autotest, test_errno);
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