mirror of
https://github.com/Unidata/netcdf-c.git
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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright 2018, University Corporation for Atmospheric Research
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*/
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#ifndef _NCSTDIO_H_
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#define _NCSTDIO_H_
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typedef struct ncstdio ncstdio; /* forward reference */
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/*
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* netcdf i/o abstraction
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*/
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struct ncstdio {
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int ioflags; /* make visible for fIsSet macro access*/
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/* Internal state of the stdio dispatcher */
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void* state;
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/* dispatch functions; never called directly by any higher-level code */
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struct ncstdio_ops {
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int (*read)(ncstdio*,void*,const size_t,size_t*);
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int (*write)(ncstdio*,const void*,const size_t,size_t*);
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int (*free)(ncstdio*);
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int (*close)(ncstdio*,int);
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int (*flush)(ncstdio*)
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int (*seek)(ncstdio*,off_t);
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int (*sync)(ncstdio*);
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int (*uid)(ncstdio*,int*);
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} ops;
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};
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extern int
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ncstdio_close(ncstdio* ncstdiop, int deletefile);
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extern int
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ncstdio_flush(ncstdio* ncstdiop);
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extern int
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ncstdio_seek(ncstdio* ncstdiop, off_t pos);
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extern int
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ncstdio_sync(ncstdio* ncstdiop);
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extern int
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ncstdio_read(ncstdio* ncstdiop, void* memory, const size_t size, size_t* actual);
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extern int
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ncstdio_write(ncstdio* ncstdiop, const void* memory, const size_t size, size_t* actual);
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extern int
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ncstdio_uid(ncstdio* ncstdiop,int*);
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/* export all known ncstdio implementation create/open procedures */
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extern int ncFile_create(const char *path, int ioflags, ncstdio** filepp);
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extern int ncFile_open(const char *path, int ioflags, ncstdio** filepp);
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extern int ncMemory_create(const char *path, int ioflags, ncstdio** filepp);
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extern int ncMemory_open(const char *path, int ioflags, ncstdio** filepp);
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#endif /* _NCSTDIO_H_* /
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