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