本文整理汇总了C++中service_ptr_t::seek_ex方法的典型用法代码示例。如果您正苦于以下问题：C++ service_ptr_t::seek_ex方法的具体用法？C++ service_ptr_t::seek_ex怎么用？C++ service_ptr_t::seek_ex使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类service_ptr_t的用法示例。
在下文中一共展示了service_ptr_t::seek_ex方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: strtoul
write_xid6( service_ptr_t<file> & p_file, const file_info & p_info, abort_callback & p_abort )
: m_file( p_file ), m_abort( p_abort )
{
pfc::stringcvt::string_ansi_from_utf8 converter;
t_filesize offset_tag_start;
const char * value;
t_uint32 int32 = 0;
p_file->seek_ex( 0, file::seek_from_eof, p_abort );
p_file->write_object( xid6_signature, 4, p_abort );
p_file->write_object_t( int32, p_abort );
offset_tag_start = p_file->get_position( p_abort );
value = p_info.meta_get( "title", 0 );
if ( value )
{
converter.convert( value );
if ( strlen( converter ) > 32 ) write_string( XID_SONG, converter );
}
value = p_info.meta_get( "album", 0 );
if ( value )
{
converter.convert( value );
if ( strlen( converter ) > 32 ) write_string( XID_GAME, converter );
}
value = p_info.meta_get( "artist", 0 );
if ( value )
{
converter.convert( value );
if ( strlen( converter ) > 32 ) write_string( XID_ARTIST, converter );
}
value = p_info.meta_get( "dumper", 0 );
if ( value )
{
converter.convert( value );
if ( strlen( converter ) > 16 ) write_string( XID_DUMPER, converter );
}
value = p_info.meta_get( "comment", 0 );
if ( value )
{
converter.convert( value );
if ( strlen( converter ) > 32 ) write_string( XID_CMNTS, converter );
}
value = p_info.meta_get( "OST", 0 );
if ( value )
{
converter.convert( value );
write_string( XID_OST, converter );
}
value = p_info.meta_get( "discnumber", 0 );
if ( value )
{
char * end;
unsigned disc = strtoul( value, &end, 10 );
if ( !*end && disc > 0 && disc <= 9 )
write_data( XID_DISC, disc );
}
value = p_info.meta_get( "tracknumber", 0 );
if ( value )
{
char * end;
unsigned track = strtoul( value, &end, 10 );
if ( track > 0 && track < 100 )
write_data( XID_TRACK, track * 0x100 + *end );
}
value = p_info.meta_get( "copyright", 0 );
if ( value )
{
char * end;
unsigned copyright_year = strtoul( value, &end, 10 );
if ( copyright_year > 0 && copyright_year < 65536 )
write_data( XID_COPY, copyright_year );
while ( *end && *end == ' ' ) end++;
if ( *end )
{
converter.convert( end );
write_string( XID_PUB, converter );
}
}
value = p_info.info_get( field_length );
if ( value )
{
char * end;
unsigned length = strtoul( value, &end, 10 );
if ( !*end && length > 0 && ( length % 1000 || length > 999000 ) )
write_int( XID_INTRO, length * 64 );
}
//.........这里部分代码省略.........