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Fneeded (3FML)

Name

Fneeded, Fneeded32-compute size needed for buffer

Synopsis

#include <stdio.h>  
#include "fml.h"  
 
long  
Fneeded(FLDOCC F, FLDLEN V)  
 
#include "fml32.h"  
 
long  
Fneeded32(FLDOCC32 F, FLDLEN32 V)

Description

Fneeded() if used to determine the space that must be allocated for F fields and V bytes of value space.

Fneeded32 is used with 32-bit FML.

Return Values

This function returns \-1 on error and sets Ferror to indicate the error condition.

Errors

Under the following conditions, Fneeded() fails and sets Ferror to:

[FEINVAL]

"invalid argument to function"
One of the arguments to the function invoked was invalid, (for example, number of fields is less than 0, V is 0 or total size is greater than 65534).

See Also

Fintro(3), Falloc(3), Finit(3), Fielded(3), Fsizeof(3), Funused(3), Fused(3)

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