SphinxBase 5prealpha
mmio.h File Reference

Memory-mapped I/O wrappers for files. More...

#include <sphinxbase/sphinxbase_export.h>

Go to the source code of this file.

Typedefs

typedef struct mmio_file_s mmio_file_t
 Abstract structure representing a memory-mapped file.
 

Functions

SPHINXBASE_EXPORT mmio_file_tmmio_file_read (const char *filename)
 Memory-map a file for reading.
 
SPHINXBASE_EXPORT void * mmio_file_ptr (mmio_file_t *mf)
 Get a pointer to the memory mapped for a file.
 
SPHINXBASE_EXPORT void mmio_file_unmap (mmio_file_t *mf)
 Unmap a file, releasing memory associated with it.
 

Detailed Description

Memory-mapped I/O wrappers for files.

Author
David Huggins-Daines dhugg.nosp@m.ins@.nosp@m.cs.cm.nosp@m.u.ed.nosp@m.u

Definition in file mmio.h.

Typedef Documentation

◆ mmio_file_t

typedef struct mmio_file_s mmio_file_t

Abstract structure representing a memory-mapped file.

Definition at line 59 of file mmio.h.

Function Documentation

◆ mmio_file_ptr()

SPHINXBASE_EXPORT void * mmio_file_ptr ( mmio_file_t * mf)

Get a pointer to the memory mapped for a file.

Definition at line 252 of file mmio.c.

Referenced by logmath_read().

◆ mmio_file_read()

SPHINXBASE_EXPORT mmio_file_t * mmio_file_read ( const char * filename)

Memory-map a file for reading.

Returns
a mmio_file_t * or NULL for failure.

Definition at line 207 of file mmio.c.

References ckd_calloc, E_ERROR_SYSTEM, and mmio_file_read().

Referenced by logmath_read(), and mmio_file_read().

◆ mmio_file_unmap()

SPHINXBASE_EXPORT void mmio_file_unmap ( mmio_file_t * mf)

Unmap a file, releasing memory associated with it.

Definition at line 241 of file mmio.c.

References ckd_free(), and E_ERROR_SYSTEM.

Referenced by logmath_free().