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Merge pull request #95 from bitshares/jmj_readsome

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mac fc::io::readsome fix
This commit is contained in:
John M. Jones 2018-11-21 06:31:53 -05:00 committed by GitHub
commit e9886b0628
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 13 additions and 7 deletions
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8
src/io/fstream.cpp
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@ -65,11 +65,17 @@ namespace fc {
const boost::filesystem::path& bfp = file; const boost::filesystem::path& bfp = file;
my->ifs.open( bfp, std::ios::binary ); my->ifs.open( bfp, std::ios::binary );
} }
size_t ifstream::readsome( char* buf, size_t len ) { size_t ifstream::readsome( char* buf, size_t len ) {
auto s = size_t(my->ifs.readsome( buf, len )); auto s = size_t(my->ifs.readsome( buf, len ));
if( s <= 0 ) { if( s <= 0 )
{
read( buf, 1 ); read( buf, 1 );
s = 1; s = 1;
if (len > 1)
{
s += size_t(my->ifs.readsome( &buf[1], len - 1));
}
} }
return s; return s;
} }

12
tests/io/stream_tests.cpp
View file

@ -112,11 +112,11 @@ BOOST_AUTO_TEST_CASE(fstream_test)
BOOST_CHECK_THROW( in2.readsome( buf, 3, 0 ), fc::eof_exception ); BOOST_CHECK_THROW( in2.readsome( buf, 3, 0 ), fc::eof_exception );
{ {
out.flush(); out.close();
std::fstream test( outf.path().to_native_ansi_path(), std::fstream::in ); std::fstream test( outf.path().to_native_ansi_path(), std::fstream::in );
BOOST_CHECK_EQUAL( 11u, test.readsome( (&(*buf)), 11 ) ); test.read( (&(*buf)), 11 );
BOOST_CHECK_EQUAL( "Hello world", std::string( (&(*buf)), 11 ) ); BOOST_CHECK_EQUAL( "Hello world", std::string( (&(*buf)), 11 ) );
BOOST_CHECK_EQUAL( 0u, test.readsome( (&(*buf)), 11 ) ); BOOST_CHECK(!test.read( (&(*buf)), 11 ));
test.close(); test.close();
} }
@ -166,11 +166,11 @@ BOOST_AUTO_TEST_CASE(buffered_fstream_test)
BOOST_CHECK_THROW( bin2.readsome( buf, 3, 0 ), fc::eof_exception ); BOOST_CHECK_THROW( bin2.readsome( buf, 3, 0 ), fc::eof_exception );
{ {
bout.flush(); bout.close();
std::fstream test( outf.path().to_native_ansi_path(), std::fstream::in ); std::fstream test( outf.path().to_native_ansi_path(), std::fstream::in );
BOOST_CHECK_EQUAL( 11u, test.readsome( (&(*buf)), 11 ) ); test.read( (&(*buf)), 11 );
BOOST_CHECK_EQUAL( "Hello world", std::string( (&(*buf)), 11 ) ); BOOST_CHECK_EQUAL( "Hello world", std::string( (&(*buf)), 11 ) );
BOOST_CHECK_EQUAL( 0u, test.readsome( (&(*buf)), 11 ) ); BOOST_CHECK(!test.read( (&(*buf)), 11 ));
test.close(); test.close();
} }
} }