Lines Matching full:dict
268 struct dictionary dict; member
290 static void dict_reset(struct dictionary *dict, struct xz_buf *b) in dict_reset() argument
292 if (DEC_IS_SINGLE(dict->mode)) { in dict_reset()
293 dict->buf = b->out + b->out_pos; in dict_reset()
294 dict->end = b->out_size - b->out_pos; in dict_reset()
297 dict->start = 0; in dict_reset()
298 dict->pos = 0; in dict_reset()
299 dict->limit = 0; in dict_reset()
300 dict->full = 0; in dict_reset()
304 static void dict_limit(struct dictionary *dict, size_t out_max) in dict_limit() argument
306 if (dict->end - dict->pos <= out_max) in dict_limit()
307 dict->limit = dict->end; in dict_limit()
309 dict->limit = dict->pos + out_max; in dict_limit()
313 static inline bool dict_has_space(const struct dictionary *dict) in dict_has_space() argument
315 return dict->pos < dict->limit; in dict_has_space()
324 static inline uint32_t dict_get(const struct dictionary *dict, uint32_t dist) in dict_get() argument
326 size_t offset = dict->pos - dist - 1; in dict_get()
328 if (dist >= dict->pos) in dict_get()
329 offset += dict->end; in dict_get()
331 return dict->full > 0 ? dict->buf[offset] : 0; in dict_get()
337 static inline void dict_put(struct dictionary *dict, uint8_t byte) in dict_put() argument
339 dict->buf[dict->pos++] = byte; in dict_put()
341 if (dict->full < dict->pos) in dict_put()
342 dict->full = dict->pos; in dict_put()
350 static bool dict_repeat(struct dictionary *dict, uint32_t *len, uint32_t dist) in dict_repeat() argument
355 if (dist >= dict->full || dist >= dict->size) in dict_repeat()
358 left = min_t(size_t, dict->limit - dict->pos, *len); in dict_repeat()
361 back = dict->pos - dist - 1; in dict_repeat()
362 if (dist >= dict->pos) in dict_repeat()
363 back += dict->end; in dict_repeat()
366 dict->buf[dict->pos++] = dict->buf[back++]; in dict_repeat()
367 if (back == dict->end) in dict_repeat()
371 if (dict->full < dict->pos) in dict_repeat()
372 dict->full = dict->pos; in dict_repeat()
378 static void dict_uncompressed(struct dictionary *dict, struct xz_buf *b, in dict_uncompressed() argument
387 if (copy_size > dict->end - dict->pos) in dict_uncompressed()
388 copy_size = dict->end - dict->pos; in dict_uncompressed()
401 memmove(dict->buf + dict->pos, b->in + b->in_pos, copy_size); in dict_uncompressed()
402 dict->pos += copy_size; in dict_uncompressed()
404 if (dict->full < dict->pos) in dict_uncompressed()
405 dict->full = dict->pos; in dict_uncompressed()
407 if (DEC_IS_MULTI(dict->mode)) { in dict_uncompressed()
408 if (dict->pos == dict->end) in dict_uncompressed()
409 dict->pos = 0; in dict_uncompressed()
419 dict->start = dict->pos; in dict_uncompressed()
437 static uint32_t dict_flush(struct dictionary *dict, struct xz_buf *b) in dict_flush() argument
439 size_t copy_size = dict->pos - dict->start; in dict_flush()
441 if (DEC_IS_MULTI(dict->mode)) { in dict_flush()
442 if (dict->pos == dict->end) in dict_flush()
443 dict->pos = 0; in dict_flush()
447 * decompression because in multi-call mode dict->buf in dict_flush()
456 memcpy(b->out + b->out_pos, dict->buf + dict->start, in dict_flush()
460 dict->start = dict->pos; in dict_flush()
606 uint32_t prev_byte = dict_get(&s->dict, 0); in lzma_literal_probs()
608 uint32_t high = (s->dict.pos & s->lzma.literal_pos_mask) << s->lzma.lc; in lzma_literal_probs()
628 match_byte = dict_get(&s->dict, s->lzma.rep0) << 1; in lzma_literal()
646 dict_put(&s->dict, (uint8_t)symbol); in lzma_literal()
762 if (dict_has_space(&s->dict) && s->lzma.len > 0) in lzma_main()
763 dict_repeat(&s->dict, &s->lzma.len, s->lzma.rep0); in lzma_main()
769 while (dict_has_space(&s->dict) && !rc_limit_exceeded(&s->rc)) { in lzma_main()
770 pos_state = s->dict.pos & s->lzma.pos_mask; in lzma_main()
781 if (!dict_repeat(&s->dict, &s->lzma.len, s->lzma.rep0)) in lzma_main()
1011 dict_reset(&s->dict, b); in xz_dec_lzma2_run()
1103 dict_limit(&s->dict, min_t(size_t, in xz_dec_lzma2_run()
1109 s->lzma2.uncompressed -= dict_flush(&s->dict, b); in xz_dec_lzma2_run()
1129 dict_uncompressed(&s->dict, b, &s->lzma2.compressed); in xz_dec_lzma2_run()
1148 s->dict.mode = mode; in xz_dec_lzma2_create()
1149 s->dict.size_max = dict_max; in xz_dec_lzma2_create()
1152 s->dict.buf = vmalloc(dict_max); in xz_dec_lzma2_create()
1153 if (s->dict.buf == NULL) { in xz_dec_lzma2_create()
1158 s->dict.buf = NULL; in xz_dec_lzma2_create()
1159 s->dict.allocated = 0; in xz_dec_lzma2_create()
1171 s->dict.size = 2 + (props & 1); in xz_dec_lzma2_reset()
1172 s->dict.size <<= (props >> 1) + 11; in xz_dec_lzma2_reset()
1174 if (DEC_IS_MULTI(s->dict.mode)) { in xz_dec_lzma2_reset()
1175 if (s->dict.size > s->dict.size_max) in xz_dec_lzma2_reset()
1178 s->dict.end = s->dict.size; in xz_dec_lzma2_reset()
1180 if (DEC_IS_DYNALLOC(s->dict.mode)) { in xz_dec_lzma2_reset()
1181 if (s->dict.allocated < s->dict.size) { in xz_dec_lzma2_reset()
1182 s->dict.allocated = s->dict.size; in xz_dec_lzma2_reset()
1183 vfree(s->dict.buf); in xz_dec_lzma2_reset()
1184 s->dict.buf = vmalloc(s->dict.size); in xz_dec_lzma2_reset()
1185 if (s->dict.buf == NULL) { in xz_dec_lzma2_reset()
1186 s->dict.allocated = 0; in xz_dec_lzma2_reset()
1203 if (DEC_IS_MULTI(s->dict.mode)) in xz_dec_lzma2_end()
1204 vfree(s->dict.buf); in xz_dec_lzma2_end()
1258 dict_reset(&s->dict, b); in xz_dec_microlzma_run()
1262 if (DEC_IS_SINGLE(s->dict.mode)) in xz_dec_microlzma_run()
1263 s->dict.end = b->out_size - b->out_pos; in xz_dec_microlzma_run()
1266 dict_limit(&s->dict, min_t(size_t, b->out_size - b->out_pos, in xz_dec_microlzma_run()
1272 s->lzma2.uncompressed -= dict_flush(&s->dict, b); in xz_dec_microlzma_run()
1306 s->s.dict.mode = mode; in xz_dec_microlzma_alloc()
1307 s->s.dict.size = dict_size; in xz_dec_microlzma_alloc()
1310 s->s.dict.end = dict_size; in xz_dec_microlzma_alloc()
1312 s->s.dict.buf = vmalloc(dict_size); in xz_dec_microlzma_alloc()
1313 if (s->s.dict.buf == NULL) { in xz_dec_microlzma_alloc()
1339 if (DEC_IS_MULTI(s->s.dict.mode)) in xz_dec_microlzma_end()
1340 vfree(s->s.dict.buf); in xz_dec_microlzma_end()