#ifndef __GNUC__
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef __GNUC__
#define snprintf _snprintf
#endif
static char *btrieveFileName = (char *)"squaresAndSquareRoots.btr";
#define MIN_X 0
#define MAX_X 255
#define RECORD_FIXED_SIZE 11
#define RECORD_MAXIMUM_VARIABLE_SIZE 1024
#define RECORD_MAXIMUM_TOTAL_SIZE (RECORD_FIXED_SIZE + RECORD_MAXIMUM_VARIABLE_SIZE)
#pragma pack(1)
typedef struct {
struct
{
uint8_t x;
uint16_t xSquared;
double xSquareRoot;
} fixed;
char text[RECORD_MAXIMUM_VARIABLE_SIZE];
} record_t;
#pragma pack()
{
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
leave:
return status;
}
{
{
goto leave;
}
leave:
return status;
}
{
int i;
record_t record;
for (i = MIN_X; i <= MAX_X; i++)
{
record.fixed.x = (uint8_t)i;
record.fixed.xSquared = (uint16_t)(i * i);
record.fixed.xSquareRoot = sqrt((double)i);
snprintf(record.text, RECORD_MAXIMUM_VARIABLE_SIZE, "The square of %d is %d and its square root is %f.", record.fixed.x, record.fixed.xSquared, record.fixed.xSquareRoot);
record.text[RECORD_MAXIMUM_VARIABLE_SIZE - 1] = '\0';
{
goto leave;
}
}
leave:
return status;
}
{
{
goto leave;
}
leave:
return status;
}
{
{
goto leave;
}
leave:
return status;
}
{
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
leave:
return status;
}
{
record_t record;
{
goto leave;
}
printf("record: (%u, %u, %f, %s)\n", record.fixed.x, record.fixed.xSquared, record.fixed.xSquareRoot, record.text);
leave:
return status;
}
int
main(int argc, char *argv[])
{
static const char *usage = "Usage: %s uint8_value\n";
uint8_t key;
uint64_t integerValue;
if (argc != 2)
{
printf(usage, argv[0]);
goto leave;
}
integerValue = atoi(argv[1]);
if ((integerValue < MIN_X) || (integerValue > MAX_X))
{
printf(usage, argv[0]);
goto leave;
}
key = (uint8_t)integerValue;
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
{
goto leave;
}
leave:
return 0;
return 1;
}
The Btrieve client class.
Definition btrieveCpp.h:1388
Btrieve::StatusCode FileCreate(BtrieveFileAttributes *btrieveFileAttributes, const char *fileName, Btrieve::CreateMode createMode, Btrieve::LocationMode locationMode=Btrieve::LOCATION_MODE_NO_PREFERENCE)
Create a file.
Btrieve::StatusCode FileClose(BtrieveFile *btrieveFile)
Close a file.
Btrieve::StatusCode FileDelete(const char *fileName)
Delete a file.
Btrieve::StatusCode FileOpen(BtrieveFile *btrieveFile, const char *fileName, const char *ownerName, Btrieve::OpenMode openMode, Btrieve::LocationMode locationMode=Btrieve::LOCATION_MODE_NO_PREFERENCE)
Open a file.
The Btrieve file attributes class.
Definition btrieveCpp.h:2448
Btrieve::StatusCode SetVariableLengthRecordsMode(Btrieve::VariableLengthRecordsMode variableLengthRecordsMode)
Set the variable length records mode.
Btrieve::StatusCode SetFixedRecordLength(int fixedRecordLength)
Set the fixed record length.
The Btrieve file class.
Definition btrieveCpp.h:1729
Btrieve::StatusCode RecordCreate(char *record, int recordLength)
Create a record.
int RecordRetrieve(Btrieve::Comparison comparison, Btrieve::Index index, char *key, int keyLength, char *record, int recordSize, Btrieve::LockMode lockMode=Btrieve::LOCK_MODE_NONE)
Retrieve a record using the given comparison, index, and key.
Btrieve::StatusCode IndexCreate(BtrieveIndexAttributes *btrieveIndexAttributes)
Create an index.
Btrieve::StatusCode GetLastStatusCode()
Get the last status code.
The Btrieve index attributes class.
Definition btrieveCpp.h:3716
Btrieve::StatusCode AddKeySegment(BtrieveKeySegment *btrieveKeySegment)
Add a key segment.
The Btrieve key segment class.
Definition btrieveCpp.h:3874
Btrieve::StatusCode SetField(int offset, int length, Btrieve::DataType dataType)
Set the field.
@ VARIABLE_LENGTH_RECORDS_MODE_YES
Yes.
Definition btrieveCpp.h:1243
@ COMPARISON_EQUAL
Equal.
Definition btrieveCpp.h:85
static const char * StatusCodeToString(StatusCode statusCode)
Return a status code as a string.
@ CREATE_MODE_OVERWRITE
Overwrite.
Definition btrieveCpp.h:72
StatusCode
The Btrieve status codes.
Definition btrieveCpp.h:713
@ STATUS_CODE_UNKNOWN
-7 - Unknown.
Definition btrieveCpp.h:1194
@ STATUS_CODE_NO_ERROR
0 - No error.
Definition btrieveCpp.h:715
@ OPEN_MODE_NORMAL
Normal.
Definition btrieveCpp.h:606
@ DATA_TYPE_UNSIGNED_BINARY
Unsigned binary.
Definition btrieveCpp.h:205
@ INDEX_1
Index 1.
Definition btrieveCpp.h:311