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0.10 fix for crashes on OSX 10.6

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strnlen is available at build-time but not at runtime, causing a crash.

0.11 drops support for 10.6, so this is not needed in master.
This commit is contained in:
Cory Fields 2015-02-17 16:15:01 -05:00
parent 601327be8c
commit 8752b5c882
3 changed files with 5 additions and 8 deletions
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4
src/compat.h
View File

@ -88,8 +88,6 @@ typedef u_int SOCKET;
#define THREAD_PRIORITY_ABOVE_NORMAL (-2)
#endif
#if HAVE_DECL_STRNLEN == 0
size_t strnlen( const char *start, size_t max_len);
#endif // HAVE_DECL_STRNLEN
size_t strnlen_int( const char *start, size_t max_len);
#endif // BITCOIN_COMPAT_H

7
src/compat/strnlen.cpp
View File

@ -7,12 +7,11 @@
#endif
#include <cstring>
#if HAVE_DECL_STRNLEN == 0
size_t strnlen( const char *start, size_t max_len)
// OSX 10.6 is missing strnlen at runtime, but builds targetting it will still
// succeed. Define our own version here to avoid a crash.
size_t strnlen_int( 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

2
src/protocol.cpp
View File

@ -40,7 +40,7 @@ CMessageHeader::CMessageHeader(const char* pszCommand, unsigned int nMessageSize
std::string CMessageHeader::GetCommand() const
{
return std::string(pchCommand, pchCommand + strnlen(pchCommand, COMMAND_SIZE));
return std::string(pchCommand, pchCommand + strnlen_int(pchCommand, COMMAND_SIZE));
}
bool CMessageHeader::IsValid() const