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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2016 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "xsi_strerror.h"
/* Make sure that we get XSI-compliant version of strerror_r */
#ifdef _POSIX_C_SOURCE
# undef _POSIX_C_SOURCE
#endif /* _POSIX_C_SOURCE */
#ifdef _GNU_SOURCE
# undef _GNU_SOURCE
#endif /* _GNU_SOURCE */
#include <string.h>
char *xsi_strerror(int errnum, char *buf, size_t buflen) {
int rv;
rv = strerror_r(errnum, buf, buflen);
if (rv != 0) {
if (buflen > 0) {
buf[0] = '\0';
}
}
return buf;
}
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