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https://github.com/nextepc/nextepc-oss.git
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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "core-config-private.h"
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#include "ogs-core.h"
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char *ogs_strerror(ogs_err_t err, char *buf, size_t size)
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{
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#if defined(_WIN32)
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/*
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* The following code is stolen from APR Library
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* http://svn.apache.org/repos/asf/apr/apr/trunk/misc/unix/errorcodes.c
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*/
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size_t len = 0, i;
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LPTSTR msg = (LPTSTR)buf;
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len = FormatMessage(
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FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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err,
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MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), /* Default Language */
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msg,
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(DWORD)(size/sizeof(TCHAR)),
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NULL);
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if (len) {
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/* FormatMessage put the message in the buffer, but it may
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* have embedded a newline (\r\n), and possible more than one.
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* Remove the newlines replacing them with a space. This is not
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* as visually perfect as moving all the remaining message over,
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* but more efficient.
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*/
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i = len;
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while (i) {
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i--;
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if ((buf[i] == '\r') || (buf[i] == '\n'))
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buf[i] = ' ';
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}
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}
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else {
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/* Windows didn't provide us with a message. Even stuff like */
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ogs_snprintf(buf, size, "Unrecognized Win32 error code %d", (int)err);
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}
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return buf;
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#elif defined(HAVE_STRERROR_R)
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#if defined(STRERROR_R_CHAR_P)
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return strerror_r(err, buf, size);
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#else
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int ret = strerror_r(err, buf, size);
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if (ret == 0)
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return buf;
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else
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return NULL;
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#endif
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#else
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#error TODO
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#endif
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}
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