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Check for strnlen and provide it if it is not found.

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This commit is contained in:
Pavel Janík 2014-11-21 10:38:27 +01:00
parent c24d07554b
commit 494f6e7d35
4 changed files with 25 additions and 0 deletions
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2
configure.ac
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@ -421,6 +421,8 @@ AC_CHECK_HEADERS([endian.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/s
AC_SEARCH_LIBS([getaddrinfo_a], [anl], [AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define this symbol if you have getaddrinfo_a])]) AC_SEARCH_LIBS([getaddrinfo_a], [anl], [AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define this symbol if you have getaddrinfo_a])])
AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define this symbol if you have inet_pton])]) AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define this symbol if you have inet_pton])])
AC_CHECK_DECLS([strnlen])
AC_CHECK_DECLS([le32toh, le64toh, htole32, htole64, be32toh, be64toh, htobe32, htobe64],,, AC_CHECK_DECLS([le32toh, le64toh, htole32, htole64, be32toh, be64toh, htobe32, htobe64],,,
[#if HAVE_ENDIAN_H [#if HAVE_ENDIAN_H
#include <endian.h> #include <endian.h>

1
src/Makefile.am
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@ -251,6 +251,7 @@ libbitcoin_common_a_SOURCES = \
# backward-compatibility objects and their sanity checks are linked. # backward-compatibility objects and their sanity checks are linked.
libbitcoin_util_a_CPPFLAGS = $(BITCOIN_INCLUDES) libbitcoin_util_a_CPPFLAGS = $(BITCOIN_INCLUDES)
libbitcoin_util_a_SOURCES = \ libbitcoin_util_a_SOURCES = \
compat/strnlen.cpp \
compat/glibc_sanity.cpp \ compat/glibc_sanity.cpp \
compat/glibcxx_sanity.cpp \ compat/glibcxx_sanity.cpp \
chainparamsbase.cpp \ chainparamsbase.cpp \

4
src/compat.h
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@ -84,4 +84,8 @@ typedef u_int SOCKET;
#define THREAD_PRIORITY_ABOVE_NORMAL (-2) #define THREAD_PRIORITY_ABOVE_NORMAL (-2)
#endif #endif
#if HAVE_DECL_STRNLEN == 0
size_t strnlen( const char *start, size_t max_len);
#endif // HAVE_DECL_STRNLEN
#endif // BITCOIN_COMPAT_H #endif // BITCOIN_COMPAT_H

18
src/compat/strnlen.cpp Normal file
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@ -0,0 +1,18 @@
// Copyright (c) 2009-2014 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif
#include <cstring>
#if HAVE_DECL_STRNLEN == 0
size_t strnlen( const char *start, size_t max_len)
{
const char *end = (const char *)memchr(start, '\0', max_len);
return end ? (size_t)(end - start) : max_len;
}
#endif // HAVE_DECL_STRNLEN