List of data types
The table below lists the data types for various field values along with the corresponding C and C++ data types. The field values shown under Data type in this table are shown in the Format column in the field table for each record.
|
Data type |
Bytes |
Explanation |
|
|---|---|---|---|
|
Field |
C and C++ |
||
|
char(n) |
char() |
Number inside ( ) |
Character string having a length of n bytes |
|
double |
double |
8 |
Numerical value (1.7E±308 (15 digits)) |
|
float |
float |
4 |
Numerical value (3.4E±38 (7 digits)) |
|
long |
long |
4 |
Numerical value (-2,147,483,648 to 2,147,483,647) |
|
short |
short |
2 |
Numerical value (-32,768 to 32,767) |
|
string(n) |
char[] |
Number inside ( ) |
Character string having n-byte length. The last character is null. |
|
time_t |
unsigned long |
4 |
Numerical value (0 to 4,294,967,295) |
|
timeval |
struct |
8 |
Numerical value (the first 4 bytes indicate seconds, and the next 4 bytes indicate microseconds.) |
|
ulong |
unsigned long |
4 |
Numerical value (0 to 4,294,967,295) |
|
utime |
struct |
8 |
Numerical value (the first 4 bytes indicate seconds, and the next 4 bytes indicate microseconds.) |
|
word |
unsigned short |
2 |
Numerical value (0 to 65,535) |
|
(Not applicable) |
unsigned char |
1 |
Numerical value (0 to 255) |
- Organization of this page
Note on data type
PFM - Agent for Platform cannot store a value that exceeds the maximum value defined for a data type in the data model. If a value exceeding the maximum value is collected, PFM - Agent for Platform does not retain the correct value.