source: lmdz_wrf/trunk/WRFV3/external/io_grib1/WGRIB/readgrib.c @ 981

/*
 * read_grib.c
 *
 * reads grib message
 *
 * input: pos, byte position of grib message
 *        len_grib, length of grib message
 * output: *buffer, grib message
 *
 * note: call seek_grib first
 *
 * v1.0 9/94 Wesley Ebisuzaki
 *
 */
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include "grib.h"

int read_grib(FILE *file, long pos, long len_grib, unsigned char *buffer) {

    int i;


    if (fseek(file, pos, SEEK_SET) == -1) {
            return 0;
    }

    i = fread(buffer, sizeof (unsigned char), len_grib, file);
    return (i == len_grib);
}