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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file include/gfile/gfile.h
* @brief GFILE - File IO Routines header file.
*
* @addtogroup GFILE
*
* @brief Module which contains Operating system independent FILEIO
*
* @{
*/
#ifndef _GFILE_H
#define _GFILE_H
#include "gfx.h"
#if GFX_USE_GMISC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
/**
* @brief A file pointer
*/
typedef struct GFILE {
const struct GFILEVMT * vmt;
uint16_t flags;
#define GFILEFLG_OPEN 0x0001 // File is open
#define GFILEFLG_READ 0x0002 // Read the file
#define GFILEFLG_WRITE 0x0004 // Write the file
#define GFILEFLG_APPEND 0x0008 // Append on each write
#define GFILEFLG_BINARY 0x0010 // Treat as a binary file
#define GFILEFLG_DELONCLOSE 0x0020 // Delete on close
#define GFILEFLG_CANSEEK 0x0040 // Seek operations are valid
#define GFILEFLG_FAILONBLOCK 0x0080 // Fail on a blocking call
#define GFILEFLG_MUSTEXIST 0x0100 // On open file must exist
#define GFILEFLG_MUSTNOTEXIST 0x0200 // On open file must not exist
#define GFILEFLG_TRUNC 0x0400 // On open truncate the file
void * obj;
long int pos;
} GFILE;
typedef struct GFILEVMT {
const struct GFILEVMT * next;
uint8_t flags;
#define GFSFLG_WRITEABLE 0x0001
#define GFSFLG_CASESENSITIVE 0x0002
#define GFSFLG_SEEKABLE 0x0004
#define GFSFLG_FAST 0x0010
#define GFSFLG_SMALL 0x0020
#define GFSFLG_TEXTMODES 0x0040
char prefix;
bool_t del(const char *fname);
bool_t exists(const char *fname);
long int filesize(const char *fname);
bool_t ren(const char *oldname, const char *newname);
bool_t open(GFILE *f, const char *fname);
void close(GFILE *f);
int read(GFILE *f, char *buf, int size);
int write(GFILE *f, const char *buf, int size);
bool_t setpos(GFILE *f, long int pos);
long int getsize(GFILE *f);
bool_t eof(GFILE *f);
} GFILEVMT;
typedef void GFILE;
extern GFILE *gfileStdIn;
extern GFILE *gfileStdErr;
extern GFILE *gfileStdOut;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
bool_t gfileExists(const char *fname);
bool_t gfileDelete(const char *fname);
long int gfileGetFilesize(const char *fname);
bool_t gfileRename(const char *oldname, const char *newname);
GFILE * gfileOpen(const char *fname, const char *mode);
void gfileClose(GFILE *f);
size_t gfileRead(GFILE *f, char *buf, size_t len);
size_t gfileWrite(GFILE *f, const char *buf, size_t len);
long int gfileGetPos(GFILE *f);
bool_t gfileSetPos(GFILE *f, long int pos);
long int gfileGetSize(GFILE *f);
bool_t gfileEOF(GFILE *f);
#if GFILE_NEED_PRINTG
int vfnprintg(GFILE *f, int maxlen, const char *fmt, va_list arg);
int fnprintg(GFILE *f, int maxlen, const char *fmt, ...);
#define vfprintg(f,m,a) vfnprintg(f,0,m,a)
#define fprintg(f,m,...) fnprintg(f,0,m,...)
#define vprintg(m,a) vfnprintg(gfileStdOut,0,m,a)
#define printg(m,...) fnprintg(gfileStdOut,0,m,...)
#if GFILE_NEED_STRINGS
int vsnprintg(char *buf, int maxlen, const char *fmt, va_list arg);
int snprintg(char *buf, int maxlen, const char *fmt, ...);
#define vsprintg(s,m,a) vsnprintg(s,0,m,a)
#define sprintg(s,m,...) snprintg(s,0,m,...)
#endif
#endif
#if GFILE_NEED_SCANG
int vfscang(GFILE *f, const char *fmt, va_list arg);
int fscang(GFILE *f, const char *fmt, ...);
#define vscang(f,a) vfscang(gfileStdIn,f,a)
#define scang(f,...) fscang(gfileStdIn,f,...)
#if GFILE_NEED_STRINGS
int vsscang(const char *buf, const char *fmt, va_list arg);
int sscang(const char *buf, const char *fmt, ...);
#endif
#endif
#if GFILE_NEED_STDIO && !defined(GFILE_IMPLEMENTATION)
#define stdin gfileStdIn
#define stdout gfileStdOut
#define stderr gfileStdErr
#define FILENAME_MAX 256 // Use a relatively small number for an embedded platform
#define L_tmpnam FILENAME_MAX
#define FOPEN_MAX GFILE_MAX_GFILES
#define TMP_MAX GFILE_MAX_GFILES
#define P_tmpdir "/tmp/"
#define FILE GFILE
#define fopen(n,m) gfileOpen(n,m)
#define fclose(f) gfileClose(f)
size_t gstdioRead(void * ptr, size_t size, size_t count, FILE *f);
size_t gstdioWrite(const void * ptr, size_t size, size_t count, FILE *f);
#define fread(p,sz,cnt,f) gstdioRead(p,sz,cnt,f)
#define fwrite(p,sz,cnt,f) gstdioWrite(p,sz,cnt,f)
int gstdioSeek(FILE *f, size_t offset, int origin);
#define fseek(f,ofs,org) gstdioSeek(f,ofs,org)
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define remove(n) (!gfileDelete(n))
#define rename(o,n) (!gfileRename(o,n))
#define fflush(f) (0)
#define ftell(f) gfileGetPos(f)
#define fpos_t long int
int gstdioGetpos(FILE *f, long int *pos);
#define fgetpos(f,pos) gstdioGetpos(f,pos)
#define fsetpos(f, pos) (!gfileSetPos(f, *pos))
#define rewind(f) gfileSetPos(f, 0);
#define feof(f) gfileEOF(f)
#define vfprintf(f,m,a) vfnprintg(f,0,m,a)
#define fprintf(f,m,...) fnprintg(f,0,m,...)
#define vprintf(m,a) vfnprintg(gfileStdOut,0,m,a)
#define printf(m,...) fnprintg(gfileStdOut,0,m,...)
#define vsnprintf(s,n,m,a) vsnprintg(s,n,m,a)
#define snprintf(s,n,m,...) snprintg(s,n,m,...)
#define vsprintf(s,m,a) vsnprintg(s,0,m,a)
#define sprintf(s,m,...) snprintg(s,0,m,...)
//TODO
//void clearerr ( FILE * stream );
//int ferror ( FILE * stream );
//FILE * tmpfile ( void ); // Auto-deleting
//char * tmpnam ( char * str );
//char * mktemp (char *template);
//FILE * freopen ( const char * filename, const char * mode, FILE * stream );
//setbuf
//setvbuf
//fflush
//fgetc
//fgets
//fputc
//fputs
//getc
//getchar
//puts
//ungetc
//void perror (const char * str);
#endif
#ifdef __cplusplus
}
#endif
#endif /* GFX_USE_MISC */
#endif /* _GMISC_H */
/** @} */
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