57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#include <stdio.h>
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/*
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#include "geminc.h"
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#include "gemprm.h"
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*/
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#ifdef UNDERSCORE
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#define gbf_read gbf_read_
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#endif
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extern FILE *fptr;
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#include "create_fortran_link.h"
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create_fortran_link(void, gbf_read,(int* nbytes,unsigned char* buffer,int* iret ),( nbytes, buffer, iret ) )
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/************************************************************************
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* gbf_read *
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* *
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* This function reads the specified number of bytes from the buffer *
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* to the open file. *
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* *
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* gbf_read ( nbytes, buffer, iret ) *
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* *
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* Input parameters: *
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* *nbytes int Number of bytes to write *
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* *buffer unsigned char Data to write to file *
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* *
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* Output parameters: *
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* *iret int Return code *
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* -6 = No file has been opened *
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** *
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* G. Krueger/EAI 3/96 *
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* K. Brill/HPC 8/99 Adapted from cfl_writ -- make nbytes *
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* a pointer, move *fptr to external *
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***********************************************************************/
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{
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int ier, nbyts, nbout;
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/*---------------------------------------------------------------------*/
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*iret = 0;
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nbyts = *nbytes;
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if ( fptr == NULL ) {
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*iret = -6;
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return;
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}
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/*
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* Write the record.
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*/
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nbout = fread ( buffer, sizeof(unsigned char), nbyts, fptr );
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if ( nbout != nbyts ) {
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*iret = -1;
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/* printf ( "Error reading from GRIB file.\n" ); */
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}
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}
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