external/io_int/io_int_idx.h

   1 /*
   2  *
   3  * Public domain.
   4  *
   5  */
   6
   7 /**
   8  * \file io_int_idx.h
   9  * Definitions and data structures for WRF IO Internal.
  10  **/
  11
  12 #ifndef WRF_IO_INT_IDX_H
  13 #define WRF_IO_INT_IDX_H
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif
  18
  19 #ifndef MAP_FILE                /* 4.3+BSD defines & needs for  */
  20 #  define MAP_FILE 0            /* mmap on files, all others don't */
  21 #endif
  22
  23 /** Maximum length of a string.
  24  * This has been equivalently defined in Fortran.
  25  **/
  26 #define STR_LEN 132
  27
  28 /** Record meta information. **/
  29 struct r_info {
  30         int64_t offset;      /**< Offset to position in the file **/
  31         int64_t data_off;    /**< Offset to data **/
  32         int32_t data_count;  /**< Number of data elements **/
  33         int32_t data_type;   /**< WRF type of data elements **/
  34         char name[STR_LEN];  /**< Name of the variable **/
  35         char date[STR_LEN];  /**< Date of the variable **/
  36 };
  37
  38 /** Create an inventory of a WRF IO Internal file **/
  39 int32_t io_int_index(const char *, struct r_info **, int32_t *);
  40
  41 /** Lookup the data offset and count for a record **/
  42 int32_t io_int_loc(const char *, struct r_info *, int32_t, int64_t *, int32_t *);
  43
  44 #ifdef __cplusplus
  45 }                               /* extern "C" */
  46 #endif
  47 #endif                          /* WRF_IO_INT_IDX_H */