opencv/3rdparty/zlib-ng/insert_string_roll.c
FantasqueX 85923c8f30
Merge pull request #26113 from FantasqueX:zlib-ng-2-2-1
Update zlib-ng to 2.2.1 #26113

Release: https://github.com/zlib-ng/zlib-ng/releases/tag/2.2.1
ARM diagnostics patch: https://github.com/zlib-ng/zlib-ng/pull/1774

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
2024-09-12 16:05:24 +03:00

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C

/* insert_string_roll.c -- insert_string rolling hash variant
*
* Copyright (C) 1995-2024 Jean-loup Gailly and Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*
*/
#include "zbuild.h"
#include "deflate.h"
#define HASH_SLIDE 5
#define HASH_CALC(h, val) h = ((h << HASH_SLIDE) ^ ((uint8_t)val))
#define HASH_CALC_VAR s->ins_h
#define HASH_CALC_VAR_INIT
#define HASH_CALC_READ val = strstart[0]
#define HASH_CALC_MASK (32768u - 1u)
#define HASH_CALC_OFFSET (STD_MIN_MATCH-1)
#define UPDATE_HASH update_hash_roll
#define INSERT_STRING insert_string_roll
#define QUICK_INSERT_STRING quick_insert_string_roll
#include "insert_string_tpl.h"