1/* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2016 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25#ifndef XSI_STRERROR_H 26#define XSI_STRERROR_H 27 28#ifdef HAVE_CONFIG_H 29# include <config.h> 30#endif /* HAVE_CONFIG_H */ 31 32#include <stddef.h> 33 34#ifdef __cplusplus 35extern "C" { 36#endif /* __cplusplus */ 37 38/* Looks like error message is quite small, but we really don't know 39 how much longer they become. */ 40#define STRERROR_BUFSIZE 256 41 42/* 43 * Returns description of error denoted by |errnum|. The description 44 * is written in |buf| of length |buflen| including terminal NULL. If 45 * there is an error, including the case that buffer space is not 46 * sufficient to include error message, and |buflen| > 0, empty string 47 * is written to |buf|. This function returns |buf|. 48 */ 49char *xsi_strerror(int errnum, char *buf, size_t buflen); 50 51#ifdef __cplusplus 52} 53#endif /* __cplusplus */ 54 55#endif /* XSI_STRERROR_H */ 56