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g2_gribend.c(3) Library Functions Manual g2_gribend.c(3)

NAME

g2_gribend.c - Finalize a GRIB2 message after all grids and fields have been added.

SYNOPSIS

#include 'grib2_int.h'
#include <stdio.h>

Functions


g2int g2_gribend (unsigned char *cgrib)
Finalize a GRIB2 message after all grids and fields have been added.

Detailed Description

Finalize a GRIB2 message after all grids and fields have been added.

Author

Stephen Gilbert

Date

2002-10-31

Definition in file g2_gribend.c.

Function Documentation

g2int g2_gribend (unsigned char * cgrib)

Finalize a GRIB2 message after all grids and fields have been added. This function adds the End Section ('7777') to the end of the GRIB message and calculates the length and stores it in the appropriate place in Section 0. This routine is used with routines g2_create(), g2_addlocal(), g2_addgrid(), and g2_addfield() to create a complete GRIB2 message.

Parameters

cgrib Char array containing all the data sections added be previous calls to g2_create(), g2_addlocal(), g2_addgrid(), and g2_addfield(). After function is called, contains the finalized GRIB2 message.

Returns

  • > 0 Length of the final GRIB2 message in bytes.
  • G2_GRIBEND_MSG_INIT GRIB message was not initialized - call g2_create() first.
  • G2_BAD_SEC_COUNTS Sum of Section byte counts doesn't add to total byte count.
  • G2_BAD_SEC Previous Section was not 7.

Note

This routine is intended for use with routines g2_create(), g2_addlocal(), g2_addgrid(), and g2_addfield() to create a complete GRIB2 message.

Author

Stephen Gilbert

Date

2002-10-31

Definition at line 40 of file g2_gribend.c.

References G2_ADD_MSG_COMPLETE, G2_ADD_MSG_INIT, G2_BAD_SEC, G2_BAD_SEC_COUNTS, g2c_check_msg(), G2C_EMSGCOMPLETE, G2C_ENOTGRIB, gbit(), and sbit().

Author

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