brotli2_decoder_mt_z.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 
                      #2023 X March 21 19:50 PM Brasília Time
 
*                                                                             *
*                   Licensa de Copia (C) <2023>  <Aurora Boreal>              *
*                                                                             *
*     Este  programa  e software livre: voce pode redistribuir isto e/ou      *
*     modificar  isto sobre os termos do  GNU Licensa Geral Pública como     25
*     publicado  pela Fundacao  de Software  Livre, tanto a versão 3  da      *
*     Licensa, ou (dependendo da sua opcao) qualquer versao posterior.        *
*                                                                             *
*     Este  programa e distribuido na  esperanca que isto vai  ser util,      *
*     mas SEM  QUALQUER GARANTIA; sem  ate mesmo a implicada garantia de      *
*     COMERCIALIZAcaO ou CABIMENTO PARA UM FIM PARTICULAR.  Veja a            *
*     Licensa Geral Publica para mais detalhes.                               *
*                                                                             *
*     Você deve ter recebido uma  cópia da LICENSA GERAL PUBLICA e a GNU      *
*     Licensa Publica Menor junto com este programa                           *
*     Se não, veja <http://www.gnu.org/licenses/>.                            *
*                                                                             *
*     Suporte: sourceforge.net github.com                                   *
*                                                                             *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 
*       Pereira: arsoftware25@gmail.com ricardo@arsoftware.net.br             *
*           xcx: arsoftware10@gmail.com   charli@arsoftware.net.br            *
         Yasmin:                          yasmin@arsoftware.net.br            *
                                              pereira1001@users.sourceforge.net
                                                                             */
 
//#define CHUNK 131072 /* to never change again */
 
int zuncompress_sha512_k_mt_decoding_multi_thread_z_7 (FILE * source, FILE * dest, my_thread_struct_z * amanda)
{
     ar_data   ar                                =   {0,};
    char      signature_z                   [5] = "AR__";
    char *    buffer = malloc                    (CHUNK);
    char *    out    = malloc                    (CHUNK);
    int       ret_arp                                   ;
    int       ret_z                                     ;
    int       retvalue                          =      0;
     int64_t   remaining_z                               ;
 
    pedro_dprintf(-1, "decoder multi-thread running\n"  );
 
    assert(NULL == dest);
 
    intcancel_7                                 =      0;
    intpause_7                                  =      0;
 
    signature_z[3] = '_' - 10;//brotli2 multi-thread
 
    amanda->size_of_input_file_copy_z = amanda->size_of_input_file_copy_z + sizeof(int64_t) + sizeof(ar);
    amanda->size_of_input_file_z      = amanda->size_of_input_file_copy_z;
/*
    remaining_z = amanda->size_of_input_file_z;//why this?....
*/
    pedro_dprintf(-1, "seek to %lld\n", amanda->offset_z);
 
    assert(0 <= (int)amanda->offset_z - (int) sizeof(int64_t) - (int) sizeof(ar));
 
    if(
        0 != _fseeki64(
            amanda->input_file,
            amanda->offset_z - sizeof(int64_t) - sizeof(ar),
            SEEK_SET
            )
        )
    {
        amanda->retvalue = 403;  //File access error
        goto           saida_13_march_2021__12_12_12;
    }
 
    memset (&ar, 0, sizeof (ar));
    ret_z = fread (&ar, 1, min(sizeof (ar), amanda->size_of_input_file_copy_z), amanda->input_file);
 
    if (ret_z != sizeof (ar))
    {
 
        retvalue                     =   5;
        goto saida_13_march_2021__12_12_12;
 
    }
    amanda->size_of_input_file_copy_z -= ret_z;
    if (0 != memcmp (ar.string, signature_z, 4))
    {
 
        retvalue                     = 199;
        goto saida_13_march_2021__12_12_12;
 
    }
 
    ret_z = fread (&remaining_z, 1, (int)min((uint64_t)sizeof (remaining_z), (uint64_t)amanda->size_of_input_file_copy_z), amanda->input_file);
 
    if (sizeof (remaining_z) !=      ret_z)
    {
        retvalue                     =   5;
        goto saida_13_march_2021__12_12_12;
    }
 
    amanda->size_of_input_file_copy_z    -=
    ret_z;
 
    if(0 > remaining_z)
    {
        retvalue                     = 500;
        goto saida_13_march_2021__12_12_12;
    }
 
    if(amanda->size_of_input_file_copy_z != remaining_z)
    {
        retvalue                     = 500;
        goto saida_13_march_2021__12_12_12;
    }
 
    amanda->size_of_input_file_copy_z = remaining_z;
    //aqui...
 
    ret_arp = decompress_file_18(source, dest, amanda);
 
    if(119 == amanda->           internal_error_arp)
    {
        retvalue = 119;
    }
    else if(6 == amanda->        internal_error_arp)
    {
        retvalue = amanda->      internal_error_arp;
    }
    else
    {
        if(ret_arp)
        {
            pedro_dprintf(-1, "error 2 7 \n");
            retvalue = 7; // Decompression error
        }
    }
 
saida_13_march_2021__12_12_12:;
 
    if (*(amanda->intcancel_7))
    {
        retvalue = 119;
    }
    *(amanda->bytes_read_z) = totalbytes_z_7;
    free(buffer);
    free(out);
 
    pedro_dprintf(-1, "erro que deu interno %d\n", retvalue);
 
    return retvalue;
}