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