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adding resize_file

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This commit is contained in:
Daniel Larimer 2013-07-12 22:05:38 -04:00
parent fa98cb6816
commit f18e16cbc7
2 changed files with 17 additions and 0 deletions
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1
include/fc/filesystem.hpp
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@ -115,6 +115,7 @@ namespace fc {
bool remove( const path& p ); bool remove( const path& p );
void copy( const path& from, const path& to ); void copy( const path& from, const path& to );
void rename( const path& from, const path& to ); void rename( const path& from, const path& to );
void resize_file( const path& file, size_t s );
void create_hard_link( const path& from, const path& to ); void create_hard_link( const path& from, const path& to );

16
src/filesystem.cpp
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@ -162,6 +162,22 @@ namespace fc {
("srcfile",f)("dstfile",t)("inner", fc::except_str() ) ); ("srcfile",f)("dstfile",t)("inner", fc::except_str() ) );
} }
} }
void resize_file( const path& f, size_t t )
{
try {
boost::filesystem::resize_file( f, t );
}
catch ( boost::system::system_error& e )
{
FC_THROW( "Resize file '${f}' to size ${s} failed: ${reason}",
("f",f)("s",t)( "reason", e.what() ) );
}
catch ( ... )
{
FC_THROW( "Resize file '${f}' to size ${s} failed: ${reason}",
("f",f)("s",t)( "reason", fc::except_str() ) );
}
}
void rename( const path& f, const path& t ) { void rename( const path& f, const path& t ) {
try { try {
boost::filesystem::rename( boost::filesystem::path(f), boost::filesystem::path(t) ); boost::filesystem::rename( boost::filesystem::path(f), boost::filesystem::path(t) );