* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
- * To compile razf.c, zlib-1.2.3(or greater) is required.
*/
+#ifndef _NO_RAZF
+
#include <fcntl.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
#include "razf.h"
+
+#if ZLIB_VERNUM < 0x1221
+struct _gz_header_s {
+ int text;
+ uLong time;
+ int xflags;
+ int os;
+ Bytef *extra;
+ uInt extra_len;
+ uInt extra_max;
+ Bytef *name;
+ uInt name_max;
+ Bytef *comment;
+ uInt comm_max;
+ int hcrc;
+ int done;
+};
+#warning "zlib < 1.2.2.1; RAZF writing is disabled."
+#endif
+
+#define DEF_MEM_LEVEL 8
+
static inline uint32_t byte_swap_4(uint32_t v){
v = ((v & 0x0000FFFFU) << 16) | (v >> 16);
return ((v & 0x00FF00FFU) << 8) | ((v & 0xFF00FF00U) >> 8);
return (c[0] != 0x01);
}
+#ifndef _RZ_READONLY
static void add_zindex(RAZF *rz, int64_t in, int64_t out){
if(rz->index->size == rz->index->cap){
rz->index->cap = rz->index->cap * 1.5 + 2;
write(fd, rz->index->bin_offsets, sizeof(int64_t) * v32);
write(fd, rz->index->cell_offsets, sizeof(int32_t) * rz->index->size);
}
+#endif
+#ifdef _USE_KNETFILE
+static void load_zindex(RAZF *rz, knetFile *fp){
+#else
static void load_zindex(RAZF *rz, int fd){
+#endif
int32_t i, v32;
int is_be;
if(!rz->load_index) return;
if(rz->index == NULL) rz->index = malloc(sizeof(ZBlockIndex));
is_be = is_big_endian();
+#ifdef _USE_KNETFILE
+ knet_read(fp, &rz->index->size, sizeof(int));
+#else
read(fd, &rz->index->size, sizeof(int));
+#endif
if(!is_be) rz->index->size = byte_swap_4((uint32_t)rz->index->size);
rz->index->cap = rz->index->size;
v32 = rz->index->size / RZ_BIN_SIZE + 1;
rz->index->bin_offsets = malloc(sizeof(int64_t) * v32);
+#ifdef _USE_KNETFILE
+ knet_read(fp, rz->index->bin_offsets, sizeof(int64_t) * v32);
+#else
read(fd, rz->index->bin_offsets, sizeof(int64_t) * v32);
+#endif
rz->index->cell_offsets = malloc(sizeof(int) * rz->index->size);
+#ifdef _USE_KNETFILE
+ knet_read(fp, rz->index->cell_offsets, sizeof(int) * rz->index->size);
+#else
read(fd, rz->index->cell_offsets, sizeof(int) * rz->index->size);
+#endif
if(!is_be){
for(i=0;i<v32;i++) rz->index->bin_offsets[i] = byte_swap_8((uint64_t)rz->index->bin_offsets[i]);
for(i=0;i<rz->index->size;i++) rz->index->cell_offsets[i] = byte_swap_4((uint32_t)rz->index->cell_offsets[i]);
}
}
+#ifdef _RZ_READONLY
+static RAZF* razf_open_w(int fd)
+{
+ fprintf(stderr, "[razf_open_w] Writing is not available with zlib ver < 1.2.2.1\n");
+ return 0;
+}
+#else
static RAZF* razf_open_w(int fd){
RAZF *rz;
+#ifdef _WIN32
+ setmode(fd, O_BINARY);
+#endif
rz = calloc(1, sizeof(RAZF));
rz->mode = 'w';
+#ifdef _USE_KNETFILE
+ rz->x.fpw = fd;
+#else
rz->filedes = fd;
+#endif
rz->stream = calloc(sizeof(z_stream), 1);
rz->inbuf = malloc(RZ_BUFFER_SIZE);
rz->outbuf = malloc(RZ_BUFFER_SIZE);
deflate(rz->stream, Z_NO_FLUSH);
rz->out += tout - rz->stream->avail_out;
if(rz->stream->avail_out) break;
+#ifdef _USE_KNETFILE
+ write(rz->x.fpw, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#else
write(rz->filedes, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#endif
rz->stream->avail_out = RZ_BUFFER_SIZE;
rz->stream->next_out = rz->outbuf;
if(rz->stream->avail_in == 0) break;
rz->buf_off = rz->buf_len = 0;
}
if(rz->stream->avail_out){
+#ifdef _USE_KNETFILE
+ write(rz->x.fpw, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#else
write(rz->filedes, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#endif
rz->stream->avail_out = RZ_BUFFER_SIZE;
rz->stream->next_out = rz->outbuf;
}
deflate(rz->stream, Z_FULL_FLUSH);
rz->out += tout - rz->stream->avail_out;
if(rz->stream->avail_out == 0){
+#ifdef _USE_KNETFILE
+ write(rz->x.fpw, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#else
write(rz->filedes, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#endif
rz->stream->avail_out = RZ_BUFFER_SIZE;
rz->stream->next_out = rz->outbuf;
} else break;
deflate(rz->stream, Z_FINISH);
rz->out += tout - rz->stream->avail_out;
if(rz->stream->avail_out < RZ_BUFFER_SIZE){
+#ifdef _USE_KNETFILE
+ write(rz->x.fpw, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#else
write(rz->filedes, rz->outbuf, RZ_BUFFER_SIZE - rz->stream->avail_out);
+#endif
rz->stream->avail_out = RZ_BUFFER_SIZE;
rz->stream->next_out = rz->outbuf;
} else break;
_razf_buffered_write(rz, data, size);
return ori_size;
}
+#endif
/* gzip flag byte */
#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
return n;
}
+#ifdef _USE_KNETFILE
+static RAZF* razf_open_r(knetFile *fp, int _load_index){
+#else
static RAZF* razf_open_r(int fd, int _load_index){
+#endif
RAZF *rz;
int ext_off, ext_len;
int n, is_be, ret;
unsigned char c[] = "RAZF";
rz = calloc(1, sizeof(RAZF));
rz->mode = 'r';
+#ifdef _USE_KNETFILE
+ rz->x.fpr = fp;
+#else
+#ifdef _WIN32
+ setmode(fd, O_BINARY);
+#endif
rz->filedes = fd;
+#endif
rz->stream = calloc(sizeof(z_stream), 1);
rz->inbuf = malloc(RZ_BUFFER_SIZE);
rz->outbuf = malloc(RZ_BUFFER_SIZE);
rz->end = rz->src_end = 0x7FFFFFFFFFFFFFFFLL;
+#ifdef _USE_KNETFILE
+ n = knet_read(rz->x.fpr, rz->inbuf, RZ_BUFFER_SIZE);
+#else
n = read(rz->filedes, rz->inbuf, RZ_BUFFER_SIZE);
+#endif
ret = _read_gz_header(rz->inbuf, n, &ext_off, &ext_len);
if(ret == 0){
PLAIN_FILE:
}
rz->load_index = _load_index;
rz->file_type = FILE_TYPE_RZ;
+#ifdef _USE_KNETFILE
+ if(knet_seek(fp, -16, SEEK_END) == -1){
+#else
if(lseek(fd, -16, SEEK_END) == -1){
+#endif
UNSEEKABLE:
rz->seekable = 0;
rz->index = NULL;
} else {
is_be = is_big_endian();
rz->seekable = 1;
+#ifdef _USE_KNETFILE
+ knet_read(fp, &end, sizeof(int64_t));
+#else
read(fd, &end, sizeof(int64_t));
+#endif
if(!is_be) rz->src_end = (int64_t)byte_swap_8((uint64_t)end);
else rz->src_end = end;
+
+#ifdef _USE_KNETFILE
+ knet_read(fp, &end, sizeof(int64_t));
+#else
read(fd, &end, sizeof(int64_t));
+#endif
if(!is_be) rz->end = (int64_t)byte_swap_8((uint64_t)end);
else rz->end = end;
if(n > rz->end){
n = rz->end;
}
if(rz->end > rz->src_end){
+#ifdef _USE_KNETFILE
+ knet_seek(fp, rz->in, SEEK_SET);
+#else
lseek(fd, rz->in, SEEK_SET);
+#endif
goto UNSEEKABLE;
}
+#ifdef _USE_KNETFILE
+ knet_seek(fp, rz->end, SEEK_SET);
+ if(knet_tell(fp) != rz->end){
+ knet_seek(fp, rz->in, SEEK_SET);
+#else
if(lseek(fd, rz->end, SEEK_SET) != rz->end){
lseek(fd, rz->in, SEEK_SET);
+#endif
goto UNSEEKABLE;
}
+#ifdef _USE_KNETFILE
+ load_zindex(rz, fp);
+ knet_seek(fp, n, SEEK_SET);
+#else
load_zindex(rz, fd);
lseek(fd, n, SEEK_SET);
+#endif
}
return rz;
}
+#ifdef _USE_KNETFILE
RAZF* razf_dopen(int fd, const char *mode){
- if(strcasecmp(mode, "r") == 0) return razf_open_r(fd, 1);
- else if(strcasecmp(mode, "w") == 0) return razf_open_w(fd);
+ if (strstr(mode, "r")) fprintf(stderr,"[razf_dopen] implement me\n");
+ else if(strstr(mode, "w")) return razf_open_w(fd);
+ return NULL;
+}
+
+RAZF* razf_dopen2(int fd, const char *mode)
+{
+ fprintf(stderr,"[razf_dopen2] implement me\n");
+ return NULL;
+}
+#else
+RAZF* razf_dopen(int fd, const char *mode){
+ if(strstr(mode, "r")) return razf_open_r(fd, 1);
+ else if(strstr(mode, "w")) return razf_open_w(fd);
else return NULL;
}
RAZF* razf_dopen2(int fd, const char *mode)
{
- if(strcasecmp(mode, "r") == 0) return razf_open_r(fd, 0);
- else if(strcasecmp(mode, "w") == 0) return razf_open_w(fd);
+ if(strstr(mode, "r")) return razf_open_r(fd, 0);
+ else if(strstr(mode, "w")) return razf_open_w(fd);
else return NULL;
}
+#endif
static inline RAZF* _razf_open(const char *filename, const char *mode, int _load_index){
int fd;
RAZF *rz;
- if(strcasecmp(mode, "r") == 0){
+ if(strstr(mode, "r")){
+#ifdef _USE_KNETFILE
+ knetFile *fd = knet_open(filename, "r");
+ if (fd == 0) {
+ fprintf(stderr, "[_razf_open] fail to open %s\n", filename);
+ return NULL;
+ }
+#else
+#ifdef _WIN32
+ fd = open(filename, O_RDONLY | O_BINARY);
+#else
fd = open(filename, O_RDONLY);
+#endif
+#endif
+ if(fd < 0) return NULL;
rz = razf_open_r(fd, _load_index);
- } else if(strcasecmp(mode, "w") == 0){
- fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+ } else if(strstr(mode, "w")){
+#ifdef _WIN32
+ fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
+#else
+ fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+#endif
+ if(fd < 0) return NULL;
rz = razf_open_w(fd);
} else return NULL;
return rz;
switch(rz->file_type){
case FILE_TYPE_PLAIN:
if(rz->end == 0x7fffffffffffffffLL){
+#ifdef _USE_KNETFILE
+ if(knet_seek(rz->x.fpr, 0, SEEK_CUR) == -1) return 0;
+ n = knet_tell(rz->x.fpr);
+ knet_seek(rz->x.fpr, 0, SEEK_END);
+ rz->end = knet_tell(rz->x.fpr);
+ knet_seek(rz->x.fpr, n, SEEK_SET);
+#else
if((n = lseek(rz->filedes, 0, SEEK_CUR)) == -1) return 0;
rz->end = lseek(rz->filedes, 0, SEEK_END);
lseek(rz->filedes, n, SEEK_SET);
+#endif
}
*u_size = *c_size = rz->end;
return 1;
int ret, tin;
if(rz->z_eof || rz->z_err) return 0;
if (rz->file_type == FILE_TYPE_PLAIN) {
+#ifdef _USE_KNETFILE
+ ret = knet_read(rz->x.fpr, data, size);
+#else
ret = read(rz->filedes, data, size);
+#endif
if (ret == 0) rz->z_eof = 1;
return ret;
}
if(rz->stream->avail_in == 0){
if(rz->in >= rz->end){ rz->z_eof = 1; break; }
if(rz->end - rz->in < RZ_BUFFER_SIZE){
+#ifdef _USE_KNETFILE
+ rz->stream->avail_in = knet_read(rz->x.fpr, rz->inbuf, rz->end -rz->in);
+#else
rz->stream->avail_in = read(rz->filedes, rz->inbuf, rz->end -rz->in);
+#endif
} else {
+#ifdef _USE_KNETFILE
+ rz->stream->avail_in = knet_read(rz->x.fpr, rz->inbuf, RZ_BUFFER_SIZE);
+#else
rz->stream->avail_in = read(rz->filedes, rz->inbuf, RZ_BUFFER_SIZE);
+#endif
}
if(rz->stream->avail_in == 0){
rz->z_eof = 1;
ret = inflate(rz->stream, Z_BLOCK);
rz->in += tin - rz->stream->avail_in;
if(ret == Z_NEED_DICT || ret == Z_MEM_ERROR || ret == Z_DATA_ERROR){
- fprintf(stderr, "[_razf_read] inflate error: %d (at %s:%d)\n", ret, __FILE__, __LINE__);
+ fprintf(stderr, "[_razf_read] inflate error: %d %s (at %s:%d)\n", ret, rz->stream->msg ? rz->stream->msg : "", __FILE__, __LINE__);
rz->z_err = 1;
break;
}
}
if(rz->buf_flush) continue;
rz->buf_len = _razf_read(rz, rz->outbuf, RZ_BUFFER_SIZE);
- if(rz->z_eof) break;
+ if(rz->z_eof || rz->z_err) break;
}
rz->out += ori_size - size;
return ori_size - size;
}
static void _razf_reset_read(RAZF *rz, int64_t in, int64_t out){
+#ifdef _USE_KNETFILE
+ knet_seek(rz->x.fpr, in, SEEK_SET);
+#else
lseek(rz->filedes, in, SEEK_SET);
+#endif
rz->in = in;
rz->out = out;
rz->block_pos = in;
if(rz->file_type == FILE_TYPE_PLAIN){
rz->buf_off = rz->buf_len = 0;
pos = block_start + block_offset;
+#ifdef _USE_KNETFILE
+ knet_seek(rz->x.fpr, pos, SEEK_SET);
+ pos = knet_tell(rz->x.fpr);
+#else
pos = lseek(rz->filedes, pos, SEEK_SET);
+#endif
rz->out = rz->in = pos;
return pos;
}
if (where == SEEK_CUR) pos += rz->out;
else if (where == SEEK_END) pos += rz->src_end;
if(rz->file_type == FILE_TYPE_PLAIN){
+#ifdef _USE_KNETFILE
+ knet_seek(rz->x.fpr, pos, SEEK_SET);
+ seek_pos = knet_tell(rz->x.fpr);
+#else
seek_pos = lseek(rz->filedes, pos, SEEK_SET);
+#endif
rz->buf_off = rz->buf_len = 0;
rz->out = rz->in = seek_pos;
return seek_pos;
}
void razf_close(RAZF *rz){
- uint64_t v64;
if(rz->mode == 'w'){
+#ifndef _RZ_READONLY
razf_end_flush(rz);
deflateEnd(rz->stream);
+#ifdef _USE_KNETFILE
+ save_zindex(rz, rz->x.fpw);
+ if(is_big_endian()){
+ write(rz->x.fpw, &rz->in, sizeof(int64_t));
+ write(rz->x.fpw, &rz->out, sizeof(int64_t));
+ } else {
+ uint64_t v64 = byte_swap_8((uint64_t)rz->in);
+ write(rz->x.fpw, &v64, sizeof(int64_t));
+ v64 = byte_swap_8((uint64_t)rz->out);
+ write(rz->x.fpw, &v64, sizeof(int64_t));
+ }
+#else
save_zindex(rz, rz->filedes);
if(is_big_endian()){
write(rz->filedes, &rz->in, sizeof(int64_t));
write(rz->filedes, &rz->out, sizeof(int64_t));
} else {
- v64 = byte_swap_8((uint64_t)rz->in);
+ uint64_t v64 = byte_swap_8((uint64_t)rz->in);
write(rz->filedes, &v64, sizeof(int64_t));
v64 = byte_swap_8((uint64_t)rz->out);
write(rz->filedes, &v64, sizeof(int64_t));
}
+#endif
+#endif
} else if(rz->mode == 'r'){
if(rz->stream) inflateEnd(rz->stream);
}
free(rz->index);
}
free(rz->stream);
+#ifdef _USE_KNETFILE
+ if (rz->mode == 'r')
+ knet_close(rz->x.fpr);
+ if (rz->mode == 'w')
+ close(rz->x.fpw);
+#else
close(rz->filedes);
+#endif
free(rz);
}
+
+#endif