static void copy_files(const char *fname, void *arg)
{
struct CopyFileArg *cfa = (struct CopyFileArg *)arg;
OutStream *os = cfa->to_store->new_output(cfa->to_store, fname);
InStream *is = cfa->from_store->open_input(cfa->from_store, fname);
int len = (int)is_length(is);
uchar *buffer = ALLOC_N(uchar, len + 1);
is_read_bytes(is, buffer, len);
os_write_bytes(os, buffer, len);
is_close(is);
os_close(os);
free(buffer);
}
void ramo_write_to(OutStream *os, OutStream *other_o)
{
int i, len;
RAMFile *rf = os->file.rf;
int last_buffer_number;
int last_buffer_offset;
os_flush(os);
last_buffer_number = (int) (rf->len / BUFFER_SIZE);
last_buffer_offset = rf->len % BUFFER_SIZE;
for (i = 0; i <= last_buffer_number; i++) {
len = (i == last_buffer_number ? last_buffer_offset : BUFFER_SIZE);
os_write_bytes(other_o, rf->buffers[i], len);
}
}
static void cw_copy_file(CompoundWriter *cw, CWFileEntry *src, OutStream *os)
{
off_t start_ptr = os_pos(os);
off_t end_ptr;
off_t remainder, length, len;
uchar buffer[BUFFER_SIZE];
InStream *is = cw->store->open_input(cw->store, src->name);
remainder = length = is_length(is);
while (remainder > 0) {
len = MIN(remainder, BUFFER_SIZE);
is_read_bytes(is, buffer, len);
os_write_bytes(os, buffer, len);
remainder -= len;
}
/* Verify that remainder is 0 */
if (remainder != 0) {
RAISE(IO_ERROR, "There seems to be an error in the compound file "
"should have read to the end but there are <%"F_OFF_T_PFX"d> "
"bytes left", remainder);
}
/* Verify that the output length diff is equal to original file */
end_ptr = os_pos(os);
len = end_ptr - start_ptr;
if (len != length) {
RAISE(IO_ERROR, "Difference in compound file output file offsets "
"<%"F_OFF_T_PFX"d> does not match the original file lenght "
"<%"F_OFF_T_PFX"d>", len, length);
}
is_close(is);
}
