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src/compat/strnlen.cpp
// Copyright (c) 2009-2014 The Bitcoin Core developers | // Copyright (c) 2009-2014 The Bitcoin Core developers | ||||
// Distributed under the MIT software license, see the accompanying | // Distributed under the MIT software license, see the accompanying | ||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
#if defined(HAVE_CONFIG_H) | #if defined(HAVE_CONFIG_H) | ||||
#include "config/bitcoin-config.h" | #include <config/bitcoin-config.h> | ||||
#endif | #endif | ||||
#include <cstring> | #include <cstring> | ||||
#if HAVE_DECL_STRNLEN == 0 | #if HAVE_DECL_STRNLEN == 0 | ||||
size_t strnlen(const char *start, size_t max_len) { | size_t strnlen(const char *start, size_t max_len) { | ||||
const char *end = (const char *)memchr(start, '\0', max_len); | const char *end = (const char *)memchr(start, '\0', max_len); | ||||
return end ? (size_t)(end - start) : max_len; | return end ? (size_t)(end - start) : max_len; | ||||
} | } | ||||
#endif // HAVE_DECL_STRNLEN | #endif // HAVE_DECL_STRNLEN |