FreeBSD/Linux Kernel Cross Reference
sys/contrib/zstd/lib/dictBuilder/divsufsort.h

     /*
      * divsufsort.h for libdivsufsort-lite
      * Copyright (c) 2003-2008 Yuta Mori All Rights Reserved.
      *
      * Permission is hereby granted, free of charge, to any person
      * obtaining a copy of this software and associated documentation
      * files (the "Software"), to deal in the Software without
      * restriction, including without limitation the rights to use,
      * copy, modify, merge, publish, distribute, sublicense, and/or sell
     * copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following
     * conditions:
     *
     * The above copyright notice and this permission notice shall be
     * included in all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     * OTHER DEALINGS IN THE SOFTWARE.
     */
    
    #ifndef _DIVSUFSORT_H
    #define _DIVSUFSORT_H 1
    
    #ifdef __cplusplus
    extern "C" {
    #endif /* __cplusplus */
    
    
    /*- Prototypes -*/
    
    /**
     * Constructs the suffix array of a given string.
     * @param T [0..n-1] The input string.
     * @param SA [0..n-1] The output array of suffixes.
     * @param n The length of the given string.
     * @param openMP enables OpenMP optimization.
     * @return 0 if no error occurred, -1 or -2 otherwise.
     */
    int
    divsufsort(const unsigned char *T, int *SA, int n, int openMP);
    
    /**
     * Constructs the burrows-wheeler transformed string of a given string.
     * @param T [0..n-1] The input string.
     * @param U [0..n-1] The output string. (can be T)
     * @param A [0..n-1] The temporary array. (can be NULL)
     * @param n The length of the given string.
     * @param num_indexes The length of secondary indexes array. (can be NULL)
     * @param indexes The secondary indexes array. (can be NULL)
     * @param openMP enables OpenMP optimization.
     * @return The primary index if no error occurred, -1 or -2 otherwise.
     */
    int
    divbwt(const unsigned char *T, unsigned char *U, int *A, int n, unsigned char * num_indexes, int * indexes, int openMP);
    
    
    #ifdef __cplusplus
    } /* extern "C" */
    #endif /* __cplusplus */
    
    #endif /* _DIVSUFSORT_H */

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