/* Called from unpack_gz_stream() and inflate_unzip() */
static IF_DESKTOP(long long) int
-inflate_unzip_internal(STATE_PARAM int in, int out)
+inflate_unzip_internal(STATE_PARAM transformer_state_t *xstate)
{
IF_DESKTOP(long long) int n = 0;
ssize_t nwrote;
gunzip_window = xmalloc(GUNZIP_WSIZE);
gunzip_outbuf_count = 0;
gunzip_bytes_out = 0;
- gunzip_src_fd = in;
+ gunzip_src_fd = xstate->src_fd;
/* (re) initialize state */
method = -1;
while (1) {
int r = inflate_get_next_window(PASS_STATE_ONLY);
- nwrote = full_write(out, gunzip_window, gunzip_outbuf_count);
- if (nwrote != (ssize_t)gunzip_outbuf_count) {
- bb_perror_msg("write");
+ nwrote = transformer_write(xstate, gunzip_window, gunzip_outbuf_count);
+ if (nwrote == (ssize_t)-1) {
n = -1;
goto ret;
}
/* For unzip */
IF_DESKTOP(long long) int FAST_FUNC
-inflate_unzip(transformer_state_t *xstate, int in, int out)
+inflate_unzip(transformer_state_t *xstate)
{
IF_DESKTOP(long long) int n;
DECLARE_STATE;
// bytebuffer_max = 0x8000;
bytebuffer_offset = 4;
bytebuffer = xmalloc(bytebuffer_max);
- n = inflate_unzip_internal(PASS_STATE in, out);
+ n = inflate_unzip_internal(PASS_STATE xstate);
free(bytebuffer);
xstate->crc32 = gunzip_crc;
}
}
- if (xstate)
- xstate->mtime = SWAP_LE32(header.formatted.mtime);
+ xstate->mtime = SWAP_LE32(header.formatted.mtime);
/* Read the header checksum */
if (header.formatted.flags & 0x02) {
}
IF_DESKTOP(long long) int FAST_FUNC
-unpack_gz_stream(transformer_state_t *xstate, int src_fd, int dst_fd)
+unpack_gz_stream(transformer_state_t *xstate)
{
uint32_t v32;
IF_DESKTOP(long long) int total, n;
DECLARE_STATE;
#if !ENABLE_FEATURE_SEAMLESS_Z
- if (check_signature16(xstate, src_fd, GZIP_MAGIC))
+ if (check_signature16(xstate, GZIP_MAGIC))
return -1;
#else
- if (xstate && xstate->check_signature) {
+ if (xstate->check_signature) {
uint16_t magic2;
- if (full_read(src_fd, &magic2, 2) != 2) {
+ if (full_read(xstate->src_fd, &magic2, 2) != 2) {
bad_magic:
bb_error_msg("invalid magic");
return -1;
}
if (magic2 == COMPRESS_MAGIC) {
xstate->check_signature = 0;
- return unpack_Z_stream(xstate, src_fd, dst_fd);
+ return unpack_Z_stream(xstate);
}
if (magic2 != GZIP_MAGIC)
goto bad_magic;
to_read = -1;
// bytebuffer_max = 0x8000;
bytebuffer = xmalloc(bytebuffer_max);
- gunzip_src_fd = src_fd;
+ gunzip_src_fd = xstate->src_fd;
again:
if (!check_header_gzip(PASS_STATE xstate)) {
goto ret;
}
- n = inflate_unzip_internal(PASS_STATE src_fd, dst_fd);
+ n = inflate_unzip_internal(PASS_STATE xstate);
if (n < 0) {
total = -1;
goto ret;