int build_download_list(list_t *download, list_t *src)
{
int count = 0;
char *cache_path;
package_t *pkg, *tmp;
fileinfo_t info;
list_for_each_entry(tmp, src, list)
{
cache_path = make_cache_path(tmp->filename);
if( get_fileinfo(cache_path, &info) != 0)
{
pkg = (package_t*)malloc(sizeof(package_t));
INIT_LIST_HEAD(&pkg->file_list);
pkg->id = tmp->id;
pkg->name = strdup(tmp->name);
pkg->version = strdup(tmp->version);
pkg->group = strdup(tmp->group);
pkg->filename = strdup(tmp->filename);
pkg->description = strdup(tmp->description);
list_add_tail(&pkg->list, download);
count++;
};
}
void
FileCache::cancel(const TCHAR *name, FILE *file)
{
fclose(file);
TCHAR path[path_buffer_size(name)];
File::Delete(make_cache_path(path, name));
}
bool
FileCache::commit(const TCHAR *name, FILE *file)
{
if (fclose(file) != 0) {
TCHAR path[path_buffer_size(name)];
File::Delete(make_cache_path(path, name));
return false;
}
return true;
}
FILE *
FileCache::save(const TCHAR *name, const TCHAR *original_path)
{
struct file_info original_info;
if (!get_regular_file_info(original_path, &original_info))
return NULL;
TCHAR path[path_buffer_size(name)];
make_cache_path(path, name);
File::Delete(path);
FILE *file = _tfopen(path, _T("wb"));
if (file == NULL)
return NULL;
if (fwrite(&file_cache_magic, sizeof(file_cache_magic), 1, file) != 1 ||
fwrite(&original_info, sizeof(original_info), 1, file) != 1) {
fclose(file);
File::Delete(path);
return NULL;
}
return file;
}
FILE *
FileCache::load(const TCHAR *name, const TCHAR *original_path)
{
struct file_info original_info;
if (!get_regular_file_info(original_path, &original_info))
return NULL;
TCHAR path[path_buffer_size(name)];
make_cache_path(path, name);
struct file_info cached_info;
if (!get_regular_file_info(path, &cached_info))
return NULL;
#ifndef _WIN32_WCE
if (original_info.mtime > cached_info.mtime) {
File::Delete(path);
return NULL;
}
#endif
FILE *file = _tfopen(path, _T("rb"));
if (file == NULL)
return NULL;
unsigned magic;
struct file_info old_info;
if (fread(&magic, sizeof(magic), 1, file) != 1 ||
magic != file_cache_magic ||
fread(&old_info, sizeof(old_info), 1, file) != 1 ||
old_info != original_info) {
fclose(file);
File::Delete(path);
return NULL;
}
return file;
}
void
FileCache::flush(const TCHAR *name)
{
TCHAR buffer[path_buffer_size(name)];
File::Delete(make_cache_path(buffer, name));
}
