2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2018-05-29 21:21:26 +02:00
|
|
|
* libs/libc/string/lib_strerror.c
|
2012-11-10 17:06:01 +01:00
|
|
|
*
|
2021-03-02 15:54:21 +01:00
|
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
|
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
|
|
|
* this work for additional information regarding copyright ownership. The
|
|
|
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
|
|
|
* "License"); you may not use this file except in compliance with the
|
|
|
|
|
* License. You may obtain a copy of the License at
|
2012-11-10 17:06:01 +01:00
|
|
|
*
|
2021-03-02 15:54:21 +01:00
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
2012-11-10 17:06:01 +01:00
|
|
|
*
|
2021-03-02 15:54:21 +01:00
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
|
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
|
|
|
* License for the specific language governing permissions and limitations
|
|
|
|
|
* under the License.
|
2012-11-10 17:06:01 +01:00
|
|
|
*
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Included Files
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2015-04-08 15:32:08 +02:00
|
|
|
* Pre-processor Definitions
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Private Types
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
|
|
|
|
struct errno_strmap_s
|
|
|
|
|
{
|
|
|
|
|
uint8_t errnum;
|
|
|
|
|
const char *str;
|
|
|
|
|
};
|
|
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Private Data
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
|
|
|
|
#ifdef CONFIG_LIBC_STRERROR
|
|
|
|
|
|
|
|
|
|
/* This table maps all error numbers to descriptive strings.
|
|
|
|
|
* The only assumption that the code makes with regard to this
|
|
|
|
|
* this table is that it is ordered by error number.
|
|
|
|
|
*
|
|
|
|
|
* The size of this table is quite large. Its size can be
|
|
|
|
|
* reduced by eliminating some of the more obscure error
|
|
|
|
|
* strings.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef CONFIG_LIBC_STRERROR_SHORT
|
|
|
|
|
|
|
|
|
|
static const struct errno_strmap_s g_errnomap[] =
|
|
|
|
|
{
|
2018-11-12 16:36:35 +01:00
|
|
|
{ 0, "Success" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EPERM, EPERM_STR },
|
|
|
|
|
{ ENOENT, ENOENT_STR },
|
|
|
|
|
{ ESRCH, ESRCH_STR },
|
|
|
|
|
{ EINTR, EINTR_STR },
|
|
|
|
|
{ EIO, EIO_STR },
|
|
|
|
|
{ ENXIO, ENXIO_STR },
|
|
|
|
|
{ E2BIG, E2BIG_STR },
|
|
|
|
|
{ ENOEXEC, ENOEXEC_STR },
|
|
|
|
|
{ EBADF, EBADF_STR },
|
|
|
|
|
{ ECHILD, ECHILD_STR },
|
|
|
|
|
{ EAGAIN, EAGAIN_STR },
|
|
|
|
|
{ ENOMEM, ENOMEM_STR },
|
|
|
|
|
{ EACCES, EACCES_STR },
|
|
|
|
|
{ EFAULT, EFAULT_STR },
|
|
|
|
|
{ ENOTBLK, ENOTBLK_STR },
|
|
|
|
|
{ EBUSY, EBUSY_STR },
|
|
|
|
|
{ EEXIST, EEXIST_STR },
|
|
|
|
|
{ EXDEV, EXDEV_STR },
|
|
|
|
|
{ ENODEV, ENODEV_STR },
|
|
|
|
|
{ ENOTDIR, ENOTDIR_STR },
|
|
|
|
|
{ EISDIR, EISDIR_STR },
|
|
|
|
|
{ EINVAL, EINVAL_STR },
|
|
|
|
|
{ ENFILE, ENFILE_STR },
|
|
|
|
|
{ EMFILE, EMFILE_STR },
|
|
|
|
|
{ ENOTTY, ENOTTY_STR },
|
|
|
|
|
{ ETXTBSY, ETXTBSY_STR },
|
|
|
|
|
{ EFBIG, EFBIG_STR },
|
|
|
|
|
{ ENOSPC, ENOSPC_STR },
|
|
|
|
|
{ ESPIPE, ESPIPE_STR },
|
|
|
|
|
{ EROFS, EROFS_STR },
|
|
|
|
|
{ EMLINK, EMLINK_STR },
|
|
|
|
|
{ EPIPE, EPIPE_STR },
|
|
|
|
|
{ EDOM, EDOM_STR },
|
|
|
|
|
{ ERANGE, ERANGE_STR },
|
|
|
|
|
{ ENOMSG, ENOMSG_STR },
|
|
|
|
|
{ EIDRM, EIDRM_STR },
|
|
|
|
|
{ ECHRNG, ECHRNG_STR },
|
|
|
|
|
{ EL2NSYNC, EL2NSYNC_STR },
|
|
|
|
|
{ EL3HLT, EL3HLT_STR },
|
|
|
|
|
{ EL3RST, EL3RST_STR },
|
|
|
|
|
{ ELNRNG, ELNRNG_STR },
|
|
|
|
|
{ EUNATCH, EUNATCH_STR },
|
|
|
|
|
{ ENOCSI, ENOCSI_STR },
|
|
|
|
|
{ EL2HLT, EL2HLT_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EDEADLK, EDEADLK_STR },
|
|
|
|
|
{ ENOLCK, ENOLCK_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EBADE, EBADE_STR },
|
|
|
|
|
{ EBADR, EBADR_STR },
|
|
|
|
|
{ EXFULL, EXFULL_STR },
|
|
|
|
|
{ ENOANO, ENOANO_STR },
|
|
|
|
|
{ EBADRQC, EBADRQC_STR },
|
|
|
|
|
{ EBADSLT, EBADSLT_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EDEADLOCK, EDEADLOCK_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EBFONT, EBFONT_STR },
|
|
|
|
|
{ ENOSTR, ENOSTR_STR },
|
|
|
|
|
{ ENODATA, ENODATA_STR },
|
|
|
|
|
{ ETIME, ETIME_STR },
|
|
|
|
|
{ ENOSR, ENOSR_STR },
|
|
|
|
|
{ ENONET, ENONET_STR },
|
|
|
|
|
{ ENOPKG, ENOPKG_STR },
|
|
|
|
|
{ EREMOTE, EREMOTE_STR },
|
|
|
|
|
{ ENOLINK, ENOLINK_STR },
|
|
|
|
|
{ EADV, EADV_STR },
|
|
|
|
|
{ ESRMNT, ESRMNT_STR },
|
|
|
|
|
{ ECOMM, ECOMM_STR },
|
|
|
|
|
{ EPROTO, EPROTO_STR },
|
|
|
|
|
{ EMULTIHOP, EMULTIHOP_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ELBIN, ELBIN_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDOTDOT, EDOTDOT_STR },
|
|
|
|
|
{ EBADMSG, EBADMSG_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EFTYPE, EFTYPE_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOTUNIQ, ENOTUNIQ_STR },
|
|
|
|
|
{ EBADFD, EBADFD_STR },
|
|
|
|
|
{ EREMCHG, EREMCHG_STR },
|
|
|
|
|
{ ELIBACC, ELIBACC_STR },
|
|
|
|
|
{ ELIBBAD, ELIBBAD_STR },
|
|
|
|
|
{ ELIBSCN, ELIBSCN_STR },
|
|
|
|
|
{ ELIBMAX, ELIBMAX_STR },
|
|
|
|
|
{ ELIBEXEC, ELIBEXEC_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOSYS, ENOSYS_STR },
|
|
|
|
|
{ ENMFILE, ENMFILE_STR },
|
|
|
|
|
{ ENOTEMPTY, ENOTEMPTY_STR },
|
|
|
|
|
{ ENAMETOOLONG, ENAMETOOLONG_STR },
|
|
|
|
|
{ ELOOP, ELOOP_STR },
|
|
|
|
|
{ EOPNOTSUPP, EOPNOTSUPP_STR },
|
|
|
|
|
{ EPFNOSUPPORT, EPFNOSUPPORT_STR },
|
|
|
|
|
{ ECONNRESET, ECONNRESET_STR },
|
|
|
|
|
{ ENOBUFS, ENOBUFS_STR },
|
|
|
|
|
{ EAFNOSUPPORT, EAFNOSUPPORT_STR },
|
|
|
|
|
{ EPROTOTYPE, EPROTOTYPE_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOTSOCK, ENOTSOCK_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOPROTOOPT, ENOPROTOOPT_STR },
|
|
|
|
|
{ ESHUTDOWN, ESHUTDOWN_STR },
|
|
|
|
|
{ ECONNREFUSED, ECONNREFUSED_STR },
|
|
|
|
|
{ EADDRINUSE, EADDRINUSE_STR },
|
|
|
|
|
{ ECONNABORTED, ECONNABORTED_STR },
|
|
|
|
|
{ ENETUNREACH, ENETUNREACH_STR },
|
|
|
|
|
{ ENETDOWN, ENETDOWN_STR },
|
|
|
|
|
{ ETIMEDOUT, ETIMEDOUT_STR },
|
|
|
|
|
{ EHOSTDOWN, EHOSTDOWN_STR },
|
|
|
|
|
{ EHOSTUNREACH, EHOSTUNREACH_STR },
|
|
|
|
|
{ EINPROGRESS, EINPROGRESS_STR },
|
|
|
|
|
{ EALREADY, EALREADY_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDESTADDRREQ, EDESTADDRREQ_STR },
|
|
|
|
|
{ EMSGSIZE, EMSGSIZE_STR },
|
|
|
|
|
{ EPROTONOSUPPORT, EPROTONOSUPPORT_STR },
|
|
|
|
|
{ ESOCKTNOSUPPORT, ESOCKTNOSUPPORT_STR },
|
|
|
|
|
{ EADDRNOTAVAIL, EADDRNOTAVAIL_STR },
|
|
|
|
|
{ ENETRESET, ENETRESET_STR },
|
|
|
|
|
{ EISCONN, EISCONN_STR },
|
|
|
|
|
{ ENOTCONN, ENOTCONN_STR },
|
|
|
|
|
{ ETOOMANYREFS, ETOOMANYREFS_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EPROCLIM, EPROCLIM_STR },
|
|
|
|
|
{ EUSERS, EUSERS_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDQUOT, EDQUOT_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ESTALE, ESTALE_STR },
|
|
|
|
|
{ ENOTSUP, ENOTSUP_STR },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOMEDIUM, ENOMEDIUM_STR },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOSHARE, ENOSHARE_STR },
|
|
|
|
|
{ ECASECLASH, ECASECLASH_STR },
|
|
|
|
|
{ EILSEQ, EILSEQ_STR },
|
|
|
|
|
{ EOVERFLOW, EOVERFLOW_STR },
|
|
|
|
|
{ ECANCELED, ECANCELED_STR },
|
|
|
|
|
{ ENOTRECOVERABLE, ENOTRECOVERABLE_STR },
|
|
|
|
|
{ EOWNERDEAD, EOWNERDEAD_STR },
|
|
|
|
|
{ ESTRPIPE, ESTRPIPE_STR }
|
2012-11-10 17:06:01 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#else /* CONFIG_LIBC_STRERROR_SHORT */
|
|
|
|
|
|
|
|
|
|
static const struct errno_strmap_s g_errnomap[] =
|
|
|
|
|
{
|
2018-11-12 16:36:35 +01:00
|
|
|
{ 0, "OK" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EPERM, "EPERM" },
|
|
|
|
|
{ ENOENT, "ENOENT" },
|
|
|
|
|
{ ESRCH, "ESRCH" },
|
|
|
|
|
{ EINTR, "EINTR" },
|
|
|
|
|
{ EIO, "EIO" },
|
|
|
|
|
{ ENXIO, "ENXIO" },
|
|
|
|
|
{ E2BIG, "E2BIG" },
|
|
|
|
|
{ ENOEXEC, "ENOEXEC" },
|
|
|
|
|
{ EBADF, "EBADF" },
|
|
|
|
|
{ ECHILD, "ECHILD" },
|
|
|
|
|
{ EAGAIN, "EAGAIN" },
|
|
|
|
|
{ ENOMEM, "ENOMEM" },
|
|
|
|
|
{ EACCES, "EACCES" },
|
|
|
|
|
{ EFAULT, "EFAULT" },
|
|
|
|
|
{ ENOTBLK, "ENOTBLK" },
|
|
|
|
|
{ EBUSY, "EBUSY" },
|
|
|
|
|
{ EEXIST, "EEXIST" },
|
|
|
|
|
{ EXDEV, "EXDEV" },
|
|
|
|
|
{ ENODEV, "ENODEV" },
|
|
|
|
|
{ ENOTDIR, "ENOTDIR" },
|
|
|
|
|
{ EISDIR, "EISDIR" },
|
|
|
|
|
{ EINVAL, "EINVAL" },
|
|
|
|
|
{ ENFILE, "ENFILE" },
|
|
|
|
|
{ EMFILE, "EMFILE" },
|
|
|
|
|
{ ENOTTY, "ENOTTY" },
|
|
|
|
|
{ ETXTBSY, "ETXTBSY" },
|
|
|
|
|
{ EFBIG, "EFBIG" },
|
|
|
|
|
{ ENOSPC, "ENOSPC" },
|
|
|
|
|
{ ESPIPE, "ESPIPE" },
|
|
|
|
|
{ EROFS, "EROFS" },
|
|
|
|
|
{ EMLINK, "EMLINK" },
|
|
|
|
|
{ EPIPE, "EPIPE" },
|
|
|
|
|
{ EDOM, "EDOM" },
|
|
|
|
|
{ ERANGE, "ERANGE" },
|
|
|
|
|
{ ENOMSG, "ENOMSG" },
|
|
|
|
|
{ EIDRM, "EIDRM" },
|
|
|
|
|
{ ECHRNG, "ECHRNG" },
|
|
|
|
|
{ EL2NSYNC, "EL2NSYNC" },
|
|
|
|
|
{ EL3HLT, "EL3HLT" },
|
|
|
|
|
{ EL3RST, "EL3RST" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ELNRNG, "ELNRNG" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EUNATCH, "EUNATCH" },
|
|
|
|
|
{ ENOCSI, "ENOCSI" },
|
|
|
|
|
{ EL2HLT, "EL2HLT" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EDEADLK, "EDEADLK" },
|
|
|
|
|
{ ENOLCK, "ENOLCK" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EBADE, "EBADE" },
|
|
|
|
|
{ EBADR, "EBADR" },
|
|
|
|
|
{ EXFULL, "EXFULL" },
|
|
|
|
|
{ ENOANO, "ENOANO" },
|
|
|
|
|
{ EBADRQC, "EBADRQC" },
|
|
|
|
|
{ EBADSLT, "EBADSLT" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EDEADLOCK, "EDEADLOCK" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EBFONT, "EBFONT" },
|
|
|
|
|
{ ENOSTR, "ENOSTR" },
|
|
|
|
|
{ ENODATA, "ENODATA" },
|
|
|
|
|
{ ETIME, "ETIME" },
|
|
|
|
|
{ ENOSR, "ENOSR" },
|
|
|
|
|
{ ENONET, "ENONET" },
|
|
|
|
|
{ ENOPKG, "ENOPKG" },
|
|
|
|
|
{ EREMOTE, "EREMOTE" },
|
|
|
|
|
{ ENOLINK, "ENOLINK" },
|
|
|
|
|
{ EADV, "EADV" },
|
|
|
|
|
{ ESRMNT, "ESRMNT" },
|
|
|
|
|
{ ECOMM, "ECOMM" },
|
|
|
|
|
{ EPROTO, "EPROTO" },
|
|
|
|
|
{ EMULTIHOP, "EMULTIHOP" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ELBIN, "ELBIN" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDOTDOT, "EDOTDOT" },
|
|
|
|
|
{ EBADMSG, "EBADMSG" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EFTYPE, "EFTYPE" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOTUNIQ, "ENOTUNIQ" },
|
|
|
|
|
{ EBADFD, "EBADFD" },
|
|
|
|
|
{ EREMCHG, "EREMCHG" },
|
|
|
|
|
{ ELIBACC, "ELIBACC" },
|
|
|
|
|
{ ELIBBAD, "ELIBBAD" },
|
|
|
|
|
{ ELIBSCN, "ELIBSCN" },
|
|
|
|
|
{ ELIBMAX, "ELIBMAX" },
|
|
|
|
|
{ ELIBEXEC, "ELIBEXEC" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOSYS, "ENOSYS" },
|
|
|
|
|
{ ENMFILE, "ENMFILE" },
|
|
|
|
|
{ ENOTEMPTY, "ENOTEMPTY" },
|
|
|
|
|
{ ENAMETOOLONG, "ENAMETOOLONG" },
|
|
|
|
|
{ ELOOP, "ELOOP" },
|
|
|
|
|
{ EOPNOTSUPP, "EOPNOTSUPP" },
|
|
|
|
|
{ EPFNOSUPPORT, "EPFNOSUPPORT" },
|
|
|
|
|
{ ECONNRESET, "ECONNRESET" },
|
|
|
|
|
{ ENOBUFS, "ENOBUFS" },
|
|
|
|
|
{ EAFNOSUPPORT, "EAFNOSUPPORT" },
|
|
|
|
|
{ EPROTOTYPE, "EPROTOTYPE" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOTSOCK, "ENOTSOCK" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOPROTOOPT, "ENOPROTOOPT" },
|
|
|
|
|
{ ESHUTDOWN, "ESHUTDOWN" },
|
|
|
|
|
{ ECONNREFUSED, "ECONNREFUSED" },
|
|
|
|
|
{ EADDRINUSE, "EADDRINUSE" },
|
|
|
|
|
{ ECONNABORTED, "ECONNABORTED" },
|
|
|
|
|
{ ENETUNREACH, "ENETUNREACH" },
|
|
|
|
|
{ ENETDOWN, "ENETDOWN" },
|
|
|
|
|
{ ETIMEDOUT, "ETIMEDOUT" },
|
|
|
|
|
{ EHOSTDOWN, "EHOSTDOWN" },
|
|
|
|
|
{ EHOSTUNREACH, "EHOSTUNREACH" },
|
|
|
|
|
{ EINPROGRESS, "EINPROGRESS" },
|
|
|
|
|
{ EALREADY, "EALREADY" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDESTADDRREQ, "EDESTADDRREQ" },
|
|
|
|
|
{ EMSGSIZE, "EMSGSIZE" },
|
|
|
|
|
{ EPROTONOSUPPORT, "EPROTONOSUPPORT" },
|
|
|
|
|
{ ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT" },
|
|
|
|
|
{ EADDRNOTAVAIL, "EADDRNOTAVAIL" },
|
|
|
|
|
{ ENETRESET, "ENETRESET" },
|
|
|
|
|
{ EISCONN, "EISCONN" },
|
|
|
|
|
{ ENOTCONN, "ENOTCONN" },
|
|
|
|
|
{ ETOOMANYREFS, "ETOOMANYREFS" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ EPROCLIM, "EPROCLIM" },
|
|
|
|
|
{ EUSERS, "EUSERS" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ EDQUOT, "EDQUOT" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ESTALE, "ESTALE" },
|
|
|
|
|
{ ENOTSUP, "ENOTSUP" },
|
2012-11-10 17:06:01 +01:00
|
|
|
{ ENOMEDIUM, "ENOMEDIUM" },
|
2017-03-26 17:22:00 +02:00
|
|
|
{ ENOSHARE, "ENOSHARE" },
|
|
|
|
|
{ ECASECLASH, "ECASECLASH" },
|
|
|
|
|
{ EILSEQ, "EILSEQ" },
|
|
|
|
|
{ EOVERFLOW, "EOVERFLOW" },
|
|
|
|
|
{ ECANCELED, "ECANCELED" },
|
|
|
|
|
{ ENOTRECOVERABLE, "ENOTRECOVERABLE" },
|
|
|
|
|
{ EOWNERDEAD, "EOWNERDEAD" },
|
|
|
|
|
{ ESTRPIPE, "ESTRPIPE" }
|
2012-11-10 17:06:01 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif /* CONFIG_LIBC_STRERROR_SHORT */
|
|
|
|
|
|
|
|
|
|
#define NERRNO_STRS (sizeof(g_errnomap) / sizeof(struct errno_strmap_s))
|
|
|
|
|
|
|
|
|
|
#endif /* CONFIG_LIBC_STRERROR */
|
|
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Private Functions
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Public Functions
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
2015-10-03 01:43:18 +02:00
|
|
|
/****************************************************************************
|
2012-11-10 17:06:01 +01:00
|
|
|
* Name: strerror
|
2015-10-03 01:43:18 +02:00
|
|
|
****************************************************************************/
|
2012-11-10 17:06:01 +01:00
|
|
|
|
|
|
|
|
FAR const char *strerror(int errnum)
|
|
|
|
|
{
|
|
|
|
|
#ifdef CONFIG_LIBC_STRERROR
|
|
|
|
|
int ndxlow = 0;
|
|
|
|
|
int ndxhi = NERRNO_STRS - 1;
|
|
|
|
|
int ndxmid;
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
{
|
|
|
|
|
ndxmid = (ndxlow + ndxhi) >> 1;
|
|
|
|
|
if (errnum > g_errnomap[ndxmid].errnum)
|
|
|
|
|
{
|
|
|
|
|
ndxlow = ndxmid + 1;
|
|
|
|
|
}
|
|
|
|
|
else if (errnum < g_errnomap[ndxmid].errnum)
|
|
|
|
|
{
|
|
|
|
|
ndxhi = ndxmid - 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
return g_errnomap[ndxmid].str;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
while (ndxlow <= ndxhi);
|
|
|
|
|
#endif
|
|
|
|
|
return "Unknown error";
|
|
|
|
|
}
|
