Function UTIL_mergeFileNamesTable

freebsd/contrib/zstd/programs/util.c:458–503

}

FileNamesTable*
UTIL_mergeFileNamesTable(FileNamesTable* table1, FileNamesTable* table2)
{
    unsigned newTableIdx = 0;
    size_t pos = 0;
    size_t newTotalTableSize;
    char* buf;

    FileNamesTable* const newTable = UTIL_assembleFileNamesTable(NULL, 0, NULL);
    CONTROL( newTable != NULL );

    newTotalTableSize = getTotalTableSize(table1) + getTotalTableSize(table2);

    buf = (char*) calloc(newTotalTableSize, sizeof(*buf));
    CONTROL ( buf != NULL );

    newTable->buf = buf;
    newTable->tableSize = table1->tableSize + table2->tableSize;
    newTable->fileNames = (const char **) calloc(newTable->tableSize, sizeof(*(newTable->fileNames)));
    CONTROL ( newTable->fileNames != NULL );

    {   unsigned idx1;
        for( idx1=0 ; (idx1 < table1->tableSize) && table1->fileNames[idx1] && (pos < newTotalTableSize); ++idx1, ++newTableIdx) {
            size_t const curLen = strlen(table1->fileNames[idx1]);
            memcpy(buf+pos, table1->fileNames[idx1], curLen);
            assert(newTableIdx <= newTable->tableSize);
            newTable->fileNames[newTableIdx] = buf+pos;
            pos += curLen+1;
    }   }

    {   unsigned idx2;
        for( idx2=0 ; (idx2 < table2->tableSize) && table2->fileNames[idx2] && (pos < newTotalTableSize) ; ++idx2, ++newTableIdx) {
            size_t const curLen = strlen(table2->fileNames[idx2]);
            memcpy(buf+pos, table2->fileNames[idx2], curLen);
            assert(newTableIdx <= newTable->tableSize);
            newTable->fileNames[newTableIdx] = buf+pos;
            pos += curLen+1;
    }   }
    assert(pos <= newTotalTableSize);
    newTable->tableSize = newTableIdx;

    UTIL_freeFileNamesTable(table1);
    UTIL_freeFileNamesTable(table2);

    return newTable;
}

#ifdef _WIN32
static int UTIL_prepareFileList(const char* dirName,