UM C API  6.16
Get an element from an array field by field index

Functions

LBMSDMExpDLL int lbmsdm_msg_get_boolean_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, uint8_t *Value)
 Fetch an array field element value from a message by field index. More...
 
LBMSDMExpDLL int lbmsdm_msg_get_int8_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, int8_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_uint8_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, uint8_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_int16_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, int16_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_uint16_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, uint16_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_int32_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, int32_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_uint32_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, uint32_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_int64_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, int64_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_uint64_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, uint64_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_float_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, float *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_double_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, double *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_decimal_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, lbmsdm_decimal_t *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_timestamp_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, struct timeval *Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_message_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, lbmsdm_msg_t **Value)
 
LBMSDMExpDLL int lbmsdm_msg_get_string_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, char *Value, size_t *Size)
 Fetch a string array field element value from a message by field index. More...
 
LBMSDMExpDLL int lbmsdm_msg_get_unicode_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, wchar_t *Value, size_t *Size)
 Fetch a unicode array field element value from a message by field index. More...
 
LBMSDMExpDLL int lbmsdm_msg_get_blob_elem_idx (lbmsdm_msg_t *Message, size_t Index, size_t Element, void *Value, size_t *Size)
 Fetch a BLOB array field element value from a message by field index. More...
 

Detailed Description

The functions in this group allow the retrieval of an element value of an array field, referenced by field index.

Function Documentation

LBMSDMExpDLL int lbmsdm_msg_get_blob_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
void *  Value,
size_t *  Size 
)

Fetch a BLOB array field element value from a message by field index.

Parameters
MessageThe SDM message from which the field is to be fetched.
IndexField index.
ElementElement number (zero-based).
ValuePointer to variable where the value is stored.
SizePointer to a variable containing the maximum size of Value in bytes.. On exit, it will contain the actual size of the data.
Return values
LBMSDM_SUCCESSif successful
LBMSDM_INSUFFICIENT_BUFFER_LENGTHif Size is not large enough for the data. Size will contain the length required in bytes.
LBMSDM_FAILUREotherwise.
LBMSDMExpDLL int lbmsdm_msg_get_boolean_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
uint8_t *  Value 
)

Fetch an array field element value from a message by field index.

Parameters
MessageThe SDM message from which the field is to be fetched.
IndexField index.
ElementElement number (zero-based).
ValuePointer to variable where the value is stored.
Returns
LBMSDM_SUCCESS if successful, LBMSDM_FAILURE otherwise.
LBMSDMExpDLL int lbmsdm_msg_get_decimal_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
lbmsdm_decimal_t Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_double_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
double *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_float_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
float *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_int16_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
int16_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_int32_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
int32_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_int64_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
int64_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_int8_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
int8_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_message_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
lbmsdm_msg_t **  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_string_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
char *  Value,
size_t *  Size 
)

Fetch a string array field element value from a message by field index.

Parameters
MessageThe SDM message from which the field is to be fetched.
IndexField index.
ElementElement number (zero-based).
ValuePointer to variable where the value is stored.
SizePointer to a variable containing the maximum size of Value (including the terminating null character). On exit, it will contain the actual size of the string (including the terminating null character).
Return values
LBMSDM_SUCCESSif successful
LBMSDM_INSUFFICIENT_BUFFER_LENGTHif Size is not large enough for the string. Size will contain the length required.
LBMSDM_FAILUREotherwise.
LBMSDMExpDLL int lbmsdm_msg_get_timestamp_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
struct timeval *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_uint16_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
uint16_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_uint32_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
uint32_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_uint64_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
uint64_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_uint8_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
uint8_t *  Value 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

LBMSDMExpDLL int lbmsdm_msg_get_unicode_elem_idx ( lbmsdm_msg_t Message,
size_t  Index,
size_t  Element,
wchar_t *  Value,
size_t *  Size 
)

Fetch a unicode array field element value from a message by field index.

Parameters
MessageThe SDM message from which the field is to be fetched.
IndexField index.
ElementElement number (zero-based).
ValuePointer to variable where the value is stored.
SizePointer to a variable containing the maximum size of Value in wchar_ts. On exit, it will contain the actual size of the data in wchar_ts.
Return values
LBMSDM_SUCCESSif successful
LBMSDM_INSUFFICIENT_BUFFER_LENGTHif Size is not large enough for the data. Size will contain the length required in wchar_ts.
LBMSDM_FAILUREotherwise.