[409] | 1 | /* |
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| 2 | |
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| 3 | This file is part of netcdf-4, a netCDF-like interface for HDF5, or a |
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| 4 | HDF5 backend for netCDF, depending on your point of view. |
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| 5 | |
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| 6 | This file handles the nc_ calls, calling the appropriate nc3 or nc4 |
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| 7 | function, depending on ncid. |
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| 8 | |
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| 9 | Copyright 2003, University Corporation for Atmospheric Research. See |
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| 10 | netcdf-4/docs/COPYRIGHT file for copying and redistribution |
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| 11 | conditions. |
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| 12 | */ |
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| 13 | |
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| 14 | #include "nc4internal.h" |
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| 15 | #include "nc3dispatch.h" |
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| 16 | |
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| 17 | #ifdef IGNORE |
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| 18 | /* Keep a linked list of file info objects. */ |
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| 19 | extern NC_FILE_INFO_T *nc_file; |
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| 20 | #endif |
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| 21 | |
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| 22 | #ifdef IGNORE |
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| 23 | /* This function deletes a member of parliment. Be careful! Last time |
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| 24 | * this function was used, Labor got in! This function only does |
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| 25 | * anything for netcdf-3 files. */ |
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| 26 | |
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| 27 | int |
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| 28 | nc_delete(const char *path) |
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| 29 | { |
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| 30 | return NC3_delete_mp(path, 0); |
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| 31 | } |
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| 32 | |
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| 33 | int |
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| 34 | nc_delete_mp(const char *path, int basepe) |
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| 35 | { |
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| 36 | return NC3_delete_mp(path, basepe); |
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| 37 | } |
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| 38 | #endif |
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| 39 | |
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| 40 | /* This will return the length of a netcdf data type in bytes. Since |
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| 41 | we haven't added any new types, I just call the v3 function. |
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| 42 | Ed Hartnett 10/43/03 |
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| 43 | */ |
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| 44 | |
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| 45 | /* This function only does anything for netcdf-3 files. */ |
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| 46 | int |
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| 47 | NC4_set_base_pe(int ncid, int pe) |
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| 48 | { |
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| 49 | NC_FILE_INFO_T *nc; |
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| 50 | if (!(nc = nc4_find_nc_file(ncid))) |
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| 51 | return NC_EBADID; |
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| 52 | if (nc->nc4_info) |
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| 53 | return NC_ENOTNC3; |
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| 54 | return NC3_set_base_pe(nc->int_ncid, pe); |
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| 55 | } |
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| 56 | |
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| 57 | /* This function only does anything for netcdf-3 files. */ |
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| 58 | int |
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| 59 | NC4_inq_base_pe(int ncid, int *pe) |
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| 60 | { |
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| 61 | NC_FILE_INFO_T *nc; |
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| 62 | if (!(nc = nc4_find_nc_file(ncid))) |
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| 63 | return NC_EBADID; |
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| 64 | if (nc->nc4_info) |
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| 65 | return NC_ENOTNC3; |
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| 66 | return NC3_inq_base_pe(nc->int_ncid, pe); |
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| 67 | } |
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| 68 | |
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| 69 | /* Get the format (i.e. classic, 64-bit-offset, or netcdf-4) of an |
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| 70 | * open file. */ |
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| 71 | int |
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| 72 | NC4_inq_format(int ncid, int *formatp) |
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| 73 | { |
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| 74 | NC_FILE_INFO_T *nc; |
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| 75 | |
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| 76 | LOG((2, "nc_inq_format: ncid 0x%x", ncid)); |
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| 77 | |
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| 78 | if (!formatp) |
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| 79 | return NC_NOERR; |
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| 80 | |
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| 81 | /* Find the file metadata. */ |
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| 82 | if (!(nc = nc4_find_nc_file(ncid))) |
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| 83 | return NC_EBADID; |
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| 84 | |
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| 85 | /* If this isn't a netcdf-4 file, pass this call on to the netcdf-3 |
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| 86 | * library. */ |
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| 87 | if (!nc->nc4_info) |
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| 88 | return NC3_inq_format(nc->int_ncid, formatp); |
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| 89 | |
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| 90 | /* Otherwise, this is a netcdf-4 file. Check if classic NC3 rules |
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| 91 | * are in effect for this file. */ |
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| 92 | if (nc->nc4_info->cmode & NC_CLASSIC_MODEL) |
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| 93 | *formatp = NC_FORMAT_NETCDF4_CLASSIC; |
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| 94 | else |
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| 95 | *formatp = NC_FORMAT_NETCDF4; |
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| 96 | |
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| 97 | return NC_NOERR; |
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| 98 | } |
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| 99 | |
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| 100 | |
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