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src/xsi_strerror.c
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Tatsuhiro Tsujikawa
src: Consistent conditional macro comments
24 сен 2025, 14:29
24 сен 2025, 14:29
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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 /* defined(_POSIX_C_SOURCE) */ #ifdef _GNU_SOURCE # undef _GNU_SOURCE #endif /* defined(_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; }