1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#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_FREEBSD
/* 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 < RTE_DIM(std_errs); 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 < RTE_DIM(rte_errs); 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);
|
