fix seek return values, valid() for cached files

diff --git a/lib/base/rawfile.cpp b/lib/base/rawfile.cpp
index d55f925..0d8a93b 100644 (file)
--- a/lib/base/rawfile.cpp
+++ b/lib/base/rawfile.cpp
@@ -59,7 +59,10 @@ off_t eRawFile::lseek(off_t offset, int whence)
                if (!m_cached)
                        return ::lseek(m_fd, offset, whence);
                else
-                       return ::fseeko(m_file, offset, whence);
+               {
+                       ::fseeko(m_file, offset, whence);
+                       return ::ftello(m_file);
+               }
        }
        switch (whence)
        {
@@ -123,7 +126,10 @@ ssize_t eRawFile::read(void *buf, size_t count)
 
 int eRawFile::valid()
 {
-       return m_fd != -1;
+       if (!m_cached)
+               return m_fd != -1;
+       else
+               return !!m_file;
 }
 
 void eRawFile::scan()
@@ -146,9 +152,10 @@ void eRawFile::scan()
                        FILE *f = (FILE*)openFile(m_nrfiles);
                        if (!f)
                                break;
+                       ::fseeko(f, 0, SEEK_END);
                        if (!m_nrfiles)
-                               m_splitsize = ::fseeko(f, 0, SEEK_END);
-                       m_totallength += ::fseeko(f, 0, SEEK_END);
+                               m_splitsize = ::ftello(f);
+                       m_totallength += ::ftello(f);
                        ::fclose(f);
                }
                
@@ -183,7 +190,10 @@ int eRawFile::switchOffset(off_t off)
                if (!m_cached)
                        m_last_offset = ::lseek(m_fd, off - m_base_offset, SEEK_SET) + m_base_offset;
                else
-                       m_last_offset = ::fseeko(m_file, off - m_base_offset, SEEK_SET) + m_base_offset;
+               {
+                       ::fseeko(m_file, off - m_base_offset, SEEK_SET);
+                       m_last_offset = ::ftello(m_file) + m_base_offset;
+               }
                return m_last_offset;
        } else
        {