vm_file.h

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/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2007 Intel Corporation. All Rights Reserved.
//
*/
/*
 * VM 64-bits buffered file operations library
 *       common definitions
 */
#ifndef VM_FILE_H
#  define VM_FILE_H
#  include "ippdefs.h"
#  include "vm_types.h"
#  include "vm_strings.h"
#  if defined(LINUX32) || defined(OSX)
#     include "sys/vm_file_unix.h"
#  else
#     include "sys/vm_file_win.h"
#  endif

/*
 * bit or-ed file attribute */
enum {
   VM_FILE_ATTR_FILE        =0x0001,
   VM_FILE_ATTR_DIRECTORY   =0x0002,
   VM_FILE_ATTR_LINK        =0x0004,
   VM_FILE_ATTR_HIDDEN      =0x0008,
};

/*
 * seek whence */
typedef enum {
   VM_FILE_SEEK_SET=0,
   VM_FILE_SEEK_CUR=1,
   VM_FILE_SEEK_END=2,
} VM_FILE_SEEK_MODE;


#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */

/*
 * file access functions
 */
Ipp64u vm_file_fseek(vm_file *fd, Ipp64s position, VM_FILE_SEEK_MODE mode);
Ipp64u vm_file_ftell(vm_file *fd);
Ipp32s vm_file_getinfo(const vm_char *filename, Ipp64u *file_size, Ipp32u *file_attr);

#if defined(LINUX32) || defined(OSX)
#  define vm_file_fflush fflush
#else
#  define vm_file_fflush

vm_file *vm_file_fopen(const vm_char *fname, const vm_char *mode);
Ipp32s vm_file_fclose(vm_file *fd);
Ipp32s vm_file_feof(vm_file* fd);
Ipp32s vm_file_remove(vm_char *path);
/*
 * binary file IO */
Ipp32s vm_file_fread(void *buf, Ipp32u itemsz, Ipp32s nitems, vm_file *fd);
Ipp32s vm_file_fwrite(void *buf, Ipp32u itemsz, Ipp32s nitems, vm_file *fd);

/*
 * character (string) file IO */
vm_char *vm_file_fgets(vm_char *str, int nchar, vm_file *fd);
Ipp32s vm_file_fputs(vm_char *str, vm_file *fd);
Ipp32s vm_file_fscanf(vm_file *fd,vm_char *format, ...);
Ipp32s vm_file_fprintf(vm_file *fd,vm_char *format, ...);
Ipp32s vm_file_vfprintf(vm_file *fd, vm_char *format,  va_list argptr);

/*
 * Temporary files support
 * ISO/IEC 9899:1990 emulation
 * Without stdlib.h defined
 *             mktemp, mkstemp and mkdtemp functions emulation for the first time.
 */
vm_file *vm_file_tmpfile(void);
vm_char *vm_file_tmpnam(vm_char *RESULT);
vm_char *vm_file_tmpnam_r(vm_char *RESULT); /* the same as tmpnam_r except that returns NULL if RESULT is NULL  -- fully reentrant function */
vm_char *vm_file_tempnam(vm_char *DIR, vm_char *PREFIX);


#endif

/*
 * file name manipulations */
void vm_file_getpath(vm_char *filename, vm_char *path, int nchars);
void vm_file_getbasename(vm_char *filename, vm_char *base, int nchars);
void vm_file_getsuffix(vm_char *filename, vm_char *suffix, int nchars);
void vm_file_makefilename(vm_char *path, vm_char *base, vm_char *suffix, vm_char *filename, int nchars);


/*
 *   Directory manipulations
 */
Ipp32s vm_dir_remove(vm_char *path);
Ipp32s vm_dir_mkdir(vm_char *path);

/* directory traverse */
Ipp32s vm_dir_open(vm_dir **dd, vm_char *path);
Ipp32s vm_dir_read(vm_dir *dd, vm_char *filename,int nchars);
void vm_dir_close(vm_dir *dd);

Ipp64u vm_dir_get_free_disk_space( void );

/*
 * defines for non-buffered file operations
 */
#define vm_file_open  vm_file_fopen
#define vm_file_read  vm_file_fread
#define vm_file_write vm_file_fwrite
#define vm_file_close vm_file_fclose
#define vm_file_seek  vm_file_fseek
#define vm_file_tell  vm_file_ftell
#define vm_file_gets  vm_file_fgets

/*
 */
# ifdef __cplusplus
  }
# endif
#endif // VM_FILE_H