ref: 2137f0be09d8ad5ff2d995725dee273b55dbcc04
dir: /tools/lz/nullcomp.c/
#include "proto.h"
/*
Null compressor: stores data uncompressed, using literal (0) commands only.
Methods defined: 2
Flags values: 0 = split a trailing 33-to-64-byte block at the end into two short blocks; 1 = don't
*/
struct command * store_uncompressed (const unsigned char * data, const unsigned char * bitflipped, unsigned short * size, unsigned flags) {
unsigned short position, block, remainder = *size;
struct command _tmp;
struct command * result = NULL;
*size = 0;
for (position = 0; remainder; position += block, remainder -= block) {
block = (remainder > MAX_COMMAND_COUNT) ? MAX_COMMAND_COUNT : remainder;
if (!(flags & 1) && (block <= (2 * SHORT_COMMAND_COUNT)) && (block > SHORT_COMMAND_COUNT)) block = SHORT_COMMAND_COUNT;
result = realloc(result, sizeof(struct command) * (1 + *size));
_tmp.command = 0;
_tmp.count = block;
_tmp.value = position;
result[(*size) ++] = _tmp;
}
return result;
}