Lines Matching defs:dict
268 struct dictionary dict;
290 static void dict_reset(struct dictionary *dict, struct xz_buf *b)
292 if (DEC_IS_SINGLE(dict->mode)) {
293 dict->buf = b->out + b->out_pos;
294 dict->end = b->out_size - b->out_pos;
297 dict->start = 0;
298 dict->pos = 0;
299 dict->limit = 0;
300 dict->full = 0;
304 static void dict_limit(struct dictionary *dict, size_t out_max)
306 if (dict->end - dict->pos <= out_max)
307 dict->limit = dict->end;
309 dict->limit = dict->pos + out_max;
313 static inline bool dict_has_space(const struct dictionary *dict)
315 return dict->pos < dict->limit;
324 static inline uint32_t dict_get(const struct dictionary *dict, uint32_t dist)
326 size_t offset = dict->pos - dist - 1;
328 if (dist >= dict->pos)
329 offset += dict->end;
331 return dict->full > 0 ? dict->buf[offset] : 0;
337 static inline void dict_put(struct dictionary *dict, uint8_t byte)
339 dict->buf[dict->pos++] = byte;
341 if (dict->full < dict->pos)
342 dict->full = dict->pos;
350 static bool dict_repeat(struct dictionary *dict, uint32_t *len, uint32_t dist)
355 if (dist >= dict->full || dist >= dict->size)
358 left = min_t(size_t, dict->limit - dict->pos, *len);
361 back = dict->pos - dist - 1;
362 if (dist >= dict->pos)
363 back += dict->end;
366 dict->buf[dict->pos++] = dict->buf[back++];
367 if (back == dict->end)
371 if (dict->full < dict->pos)
372 dict->full = dict->pos;
378 static void dict_uncompressed(struct dictionary *dict, struct xz_buf *b,
387 if (copy_size > dict->end - dict->pos)
388 copy_size = dict->end - dict->pos;
401 memmove(dict->buf + dict->pos, b->in + b->in_pos, copy_size);
402 dict->pos += copy_size;
404 if (dict->full < dict->pos)
405 dict->full = dict->pos;
407 if (DEC_IS_MULTI(dict->mode)) {
408 if (dict->pos == dict->end)
409 dict->pos = 0;
419 dict->start = dict->pos;
437 static uint32_t dict_flush(struct dictionary *dict, struct xz_buf *b)
439 size_t copy_size = dict->pos - dict->start;
441 if (DEC_IS_MULTI(dict->mode)) {
442 if (dict->pos == dict->end)
443 dict->pos = 0;
447 * decompression because in multi-call mode dict->buf
456 memcpy(b->out + b->out_pos, dict->buf + dict->start,
460 dict->start = dict->pos;
606 uint32_t prev_byte = dict_get(&s->dict, 0);
608 uint32_t high = (s->dict.pos & s->lzma.literal_pos_mask) << s->lzma.lc;
628 match_byte = dict_get(&s->dict, s->lzma.rep0) << 1;
646 dict_put(&s->dict, (uint8_t)symbol);
762 if (dict_has_space(&s->dict) && s->lzma.len > 0)
763 dict_repeat(&s->dict, &s->lzma.len, s->lzma.rep0);
769 while (dict_has_space(&s->dict) && !rc_limit_exceeded(&s->rc)) {
770 pos_state = s->dict.pos & s->lzma.pos_mask;
781 if (!dict_repeat(&s->dict, &s->lzma.len, s->lzma.rep0))
1011 dict_reset(&s->dict, b);
1103 dict_limit(&s->dict, min_t(size_t,
1109 s->lzma2.uncompressed -= dict_flush(&s->dict, b);
1129 dict_uncompressed(&s->dict, b, &s->lzma2.compressed);
1148 s->dict.mode = mode;
1149 s->dict.size_max = dict_max;
1152 s->dict.buf = vmalloc(dict_max);
1153 if (s->dict.buf == NULL) {
1158 s->dict.buf = NULL;
1159 s->dict.allocated = 0;
1171 s->dict.size = 2 + (props & 1);
1172 s->dict.size <<= (props >> 1) + 11;
1174 if (DEC_IS_MULTI(s->dict.mode)) {
1175 if (s->dict.size > s->dict.size_max)
1178 s->dict.end = s->dict.size;
1180 if (DEC_IS_DYNALLOC(s->dict.mode)) {
1181 if (s->dict.allocated < s->dict.size) {
1182 s->dict.allocated = s->dict.size;
1183 vfree(s->dict.buf);
1184 s->dict.buf = vmalloc(s->dict.size);
1185 if (s->dict.buf == NULL) {
1186 s->dict.allocated = 0;
1203 if (DEC_IS_MULTI(s->dict.mode))
1204 vfree(s->dict.buf);
1258 dict_reset(&s->dict, b);
1262 if (DEC_IS_SINGLE(s->dict.mode))
1263 s->dict.end = b->out_size - b->out_pos;
1266 dict_limit(&s->dict, min_t(size_t, b->out_size - b->out_pos,
1272 s->lzma2.uncompressed -= dict_flush(&s->dict, b);
1306 s->s.dict.mode = mode;
1307 s->s.dict.size = dict_size;
1310 s->s.dict.end = dict_size;
1312 s->s.dict.buf = vmalloc(dict_size);
1313 if (s->s.dict.buf == NULL) {
1339 if (DEC_IS_MULTI(s->s.dict.mode))
1340 vfree(s->s.dict.buf);