gptypelen - Computes length of TDF datatype in bytes

SYNOPSIS

#include <gp.h>

int gptypelen(type)
int type;

DESCRIPTION

Valid TDF datatypes are described in include/gp.h.

#define GP_BYTE         1
#define GP_SHORT        2
#define GP_LONG         3
#define GP_INT          GP_LONG
#define GP_FLOAT        4
#define GP_REAL         GP_FLOAT
#define GP_DOUBLE       5

#define GP_STRING_MOD   10
#define GP_STRING(x)    (GP_STRING_MOD*(x))

GP_STRING is a variable width datatype used for strings. The width in bytes of GP_STRING(x) is x.

Applications are encouraged to allow space for a trailing \ character when defining string datatypes.

RETURN VALUES

gptypelen returns the length of a valid TDF datatype in bytes. Otherwise, gptypelen calls *gperr() with error code EGP_BAD_DATATYPE, and returns -1.

ERRORS

EGP_BAD_DATATYPE

FILES

include/gp.h, /usr/include/errno.h, lib/libcdf.a

SEE ALSO

gpatt, gpdim, gperr, gpio, gplink, gpname, gprel, gpset, gpvar, datasets

NOTES

None.

Last Update: $Date: 2001/12/14 21:23:24 $