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/*
filesystem/file.c
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "filesystem/diskfile.h"
namespace filesystem {
DiskFile::DiskFile()
{
diskfile_handle = 0;
}
DiskFile::~DiskFile()
{
if (diskfile_handle)
fclose(diskfile_handle);
}
bool DiskFile::open(const char *filename)
{
if (diskfile_handle) {
con_warn << file_name << " already open!" << std::endl;
return false;
}
file_name.assign(filename);
std::string fn;
// if moddir is set, try the mods subdir first
if (moddir.size()) {
// try homedir + moddir
file_path = homedir;
file_path.append(moddir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "r");
if (diskfile_handle)
return true;
// try datadir + moddir
file_path = datadir;
file_path.append(moddir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "r");
if (diskfile_handle)
return true;
}
// try homedir + basedir
file_path = homedir;
file_path.append(basedir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "r");
if (diskfile_handle)
return true;
// try datadir + basedir
file_path = datadir;
file_path.append(basedir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "r");
if (diskfile_handle)
return true;
con_error << "Could not open " << filename << std::endl;
return false;
}
void DiskFile::close()
{
if (diskfile_handle)
fclose(diskfile_handle);
diskfile_handle = 0;
}
size_t DiskFile::read(void *buffer, const size_t count)
{
if (!diskfile_handle)
return 0;
return (fread(buffer, count, 1, diskfile_handle));
}
void DiskFile::skip(size_t count)
{
fseek(diskfile_handle, (long) count, SEEK_CUR);
}
} // namespace filesystem
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