NAME

       g2_addlocal.c - Add a Local Use Section (Section 2) to a GRIB2 message.

SYNOPSIS

       #include <stdio.h>
       #include 'grib2.h'

   Functions
       g2int g2_addlocal (unsigned char *cgrib, unsigned char *csec2, g2int lcsec2)
           This routine adds a Local Use Section (Section 2) to a GRIB2 message.

Detailed Description

       Add a Local Use Section (Section 2) to a GRIB2 message.

       Author
           Stephen Gilbeert

       Date
           2002-11-01

       Definition in file g2_addlocal.c.

Function Documentation

   g2int g2_addlocal (unsigned char * cgrib, unsigned char * csec2, g2int lcsec2)
       This routine adds a Local Use Section (Section 2) to a GRIB2 message. It is used with
       routines g2_create(), g2_addgrid(), g2_addfield(), and g2_gribend() to create a complete
       GRIB2 message. g2_create() must be called first to initialize a new GRIB2 message.

       Parameters
           cgrib Char array that contains the GRIB2 message to which section 2 should be added.
           Must be allocated large enough to store the entire GRIB2 message.
           csec2 Character array containing information to be added in Section 2.
           lcsec2 Number of bytes of character array csec2 to be added to Section 2.

       Returns
           > 0 = Current size of updated GRIB2 message.

           • -1 GRIB message was not initialized. Need to call routine gribcreate first.

           • -2 GRIB message already complete. Cannot add new section.

           • -3 Sum of Section byte counts doesn't add to total byte count

           • -4 Previous Section was not 1 or 7.

       Note
           The Local Use Section (Section 2) can only follow Section 1 or Section 7 in a GRIB2
           message.

       Author
           Stephen Gilbeert

       Date
           2002-11-01

       Definition at line 37 of file g2_addlocal.c.

       References gbit(), and sbit().

Author

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