void checkFile(ZZIP_DIR* dir, ZZIP_DIRENT* dirent, const char* filename)
{
if (strcmp(filename, dirent->d_name) != 0) return;
int flags = 0;
ZZIP_FILE* f1 = zzip_file_open(dir, dirent->d_name, flags);
if (f1 == NULL) {
fprintf(stderr, "zzip_file_open failed: %s\n", zzip_strerror_of(dir));
return;
}
// read file
char buf[4097];
int total = dirent->st_size;
int bytes = 0;
printf("---------------------\n");
while (bytes != total) {
zzip_ssize_t size = zzip_file_read(f1, buf, 4096);
bytes += size;
buf[size] = 0;
printf("%s", buf);
//printf("read %4d %6d/%d\n", size, bytes, total);
}
printf("\n---------------------\n");
int err = zzip_file_close(f1);
if (err != 0) {
fprintf(stderr, "zzip_file_close failed: %s\n", zzip_strerror_of(dir));
return;
}
}
int main(int argc, const char *argv[])
{
if (argc < 2) {
fprintf(stderr, "usage: %s <file>\n", argv[0]);
return -1;
}
const char* innerFile = "";
if (argc == 3) innerFile = argv[2];
zzip_error_t errcode;
ZZIP_DIR* dir = zzip_dir_open(argv[1], &errcode);
if (dir == NULL) {
fprintf(stderr, "zzip_operdir failed: %s\n", zzip_strerror(errcode));
return -1;
}
// scan files
ZZIP_DIRENT* dirent = zzip_readdir(dir);
while (dirent) {
printf("%s, compression %d, size %d/%d\n",
dirent->d_name, dirent->d_compr, dirent->d_csize, dirent->st_size);
checkFile(dir, dirent, innerFile);
dirent = zzip_readdir(dir);
}
int err = zzip_closedir(dir);
if (err != 0) {
fprintf(stderr, "zzip_closedir failed: %s\n", zzip_strerror_of(dir));
return -1;
}
return 0;
}
/** 读取指定数目的数据
@Param 存储数据的缓冲区指针
@Param 要读取数据的大小
*/
size_t FZipFileStream::Read( void* pBuf,size_t nSize )
{
zzip_ssize_t ret = zzip_file_read( m_pZipFile,pBuf,nSize );
if( ret < 0 )
{
ZZIP_DIR* dir = zzip_dirhandle( m_pZipFile );
// 报告错误
AString msg = zzip_strerror_of( dir );
FLOG_ERRORF("FZipFileStream::Read, An exception is found when reading zip package! (%s)", msg.c_str());
}
return ret;
}
//-----------------------------------------------------------------------
size_t ZipDataStream::read(void* buf, size_t count)
{
size_t was_avail = mCache.read(buf, count);
zzip_ssize_t r = 0;
if (was_avail < count)
{
r = zzip_file_read(mZzipFile, (char*)buf + was_avail, count - was_avail);
if (r<0) {
ZZIP_DIR *dir = zzip_dirhandle(mZzipFile);
String msg = zzip_strerror_of(dir);
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
mName+" - error from zziplib: "+msg,
"ZipDataStream::read");
}
mCache.cacheData((char*)buf + was_avail, (size_t)r);
}
return was_avail + (size_t)r;
}
