X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/f9c484582e3e7f5326666d5f050498849a2d221b..1c4d458b5df83facce7cf71b39ab247eb1447491:/lib/base/rawfile.cpp diff --git a/lib/base/rawfile.cpp b/lib/base/rawfile.cpp index d55f925c..e444ba90 100644 --- 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() @@ -134,7 +140,7 @@ void eRawFile::scan() { if (!m_cached) { - int f = openFile(m_nrfiles); + int f = openFileUncached(m_nrfiles); if (f < 0) break; if (!m_nrfiles) @@ -143,12 +149,13 @@ void eRawFile::scan() ::close(f); } else { - FILE *f = (FILE*)openFile(m_nrfiles); + FILE *f = openFileCached(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); } @@ -169,9 +176,9 @@ int eRawFile::switchOffset(off_t off) // eDebug("-> %d", filenr); close(); if (!m_cached) - m_fd = openFile(filenr); + m_fd = openFileUncached(filenr); else - m_file = (FILE*)openFile(filenr); + m_file = openFileCached(filenr); m_last_offset = m_base_offset = m_splitsize * filenr; m_current_file = filenr; } @@ -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 { @@ -191,7 +201,8 @@ int eRawFile::switchOffset(off_t off) } } -int eRawFile::openFile(int nr) +/* m_cached */ +FILE *eRawFile::openFileCached(int nr) { std::string filename = m_basename; if (nr) @@ -200,8 +211,18 @@ int eRawFile::openFile(int nr) snprintf(suffix, 5, ".%03d", nr); filename += suffix; } - if (!m_cached) - return ::open(filename.c_str(), O_RDONLY | O_LARGEFILE); - else - return (int)::fopen64(filename.c_str(), "rb"); + return ::fopen64(filename.c_str(), "rb"); +} + +/* !m_cached */ +int eRawFile::openFileUncached(int nr) +{ + std::string filename = m_basename; + if (nr) + { + char suffix[5]; + snprintf(suffix, 5, ".%03d", nr); + filename += suffix; + } + return ::open(filename.c_str(), O_RDONLY | O_LARGEFILE); }