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Implement chmod function (no-op on Windows)

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This commit is contained in:
theoretical 2014-12-31 14:27:55 -05:00
parent 683f1dd7bf
commit 524093ce1e
2 changed files with 34 additions and 0 deletions
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5
include/fc/filesystem.hpp
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@ -158,6 +158,11 @@ namespace fc {
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 resize_file( const path& file, size_t s );
// setuid, setgid not implemented.
// translates octal permission like 0755 to S_ stuff defined in sys/stat.h
// no-op on Windows.
void chmod( const path& p, int perm );
void create_hard_link( const path& from, const path& to ); void create_hard_link( const path& from, const path& to );
path unique_path(); path unique_path();

29
src/filesystem.cpp
View file

@ -17,6 +17,7 @@
# include <ShlObj.h> # include <ShlObj.h>
#else #else
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h>
#include <pwd.h> #include <pwd.h>
#endif #endif
@ -265,6 +266,34 @@ namespace fc {
("f",f)("s",t)( "reason", fc::except_str() ) ); ("f",f)("s",t)( "reason", fc::except_str() ) );
} }
} }
// setuid, setgid not implemented.
// translates octal permission like 0755 to S_ stuff defined in sys/stat.h
// no-op on Windows.
void chmod( const path& p, int perm )
{
#ifndef WIN32
mode_t actual_perm =
((perm & 0400) ? S_IRUSR : 0)
| ((perm & 0200) ? S_IWUSR : 0)
| ((perm & 0100) ? S_IXUSR : 0)
| ((perm & 0040) ? S_IRGRP : 0)
| ((perm & 0020) ? S_IWGRP : 0)
| ((perm & 0010) ? S_IXGRP : 0)
| ((perm & 0004) ? S_IROTH : 0)
| ((perm & 0002) ? S_IWOTH : 0)
| ((perm & 0001) ? S_IXOTH : 0)
;
int result = ::chmod( p.string().c_str(), actual_perm );
if( result != 0 )
FC_THROW( "chmod operation failed on ${p}", ("p",p) );
#endif
return;
}
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) );