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(trunk libT) better implementation of tr_htonll() and tr_ntohll()

This commit is contained in:
Jordan Lee 2011-03-13 20:23:23 +00:00
parent cdff3aa090
commit 58c084fbda
1 changed files with 10 additions and 14 deletions
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24
libtransmission/utils.c
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@ -1653,28 +1653,24 @@ tr_realpath( const char * path, char * resolved_path )
***/
uint64_t
tr_ntohll( uint64_t v )
tr_htonll( uint64_t x )
{
#ifdef HAVE_NTOHLL
return ntohll( v );
#ifdef HAVE_HTONLL
return htonll( x );
#else
union { unsigned long lv[2]; unsigned long long llv; } u;
u.lv[0] = ntohl(v >> 32);
u.lv[1] = ntohl(v & 0xFFFFFFFFULL);
return u.llv;
return (((uint64_t)(htonl((int)((x << 32) >> 32))) << 32) |
(unsigned int)htonl(((int)(x >> 32))));
#endif
}
uint64_t
tr_htonll( uint64_t v )
tr_ntohll( uint64_t x )
{
#ifdef HAVE_HTONLL
return htonll( v );
#ifdef HAVE_NTOHLL
return ntohll( x );
#else
union { unsigned long lv[2]; unsigned long long llv; } u;
u.lv[0] = htonl(v >> 32);
u.lv[1] = htonl(v & 0xFFFFFFFFULL);
return u.llv;
return (((uint64_t)(ntohl((int)((x << 32) >> 32))) << 32) |
(unsigned int)ntohl(((int)(x >> 32))));
#endif
}