stream.h

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/*
** stream.h for lseos in lseos-lib/libc/stream
** 
** Copyright(c)1999 Sebastien Carlier
** Login   <vianney@epita.fr>
** 
** Started on  Tue Nov 30 16:36:41 2004 Vianney Rancurel
** Last update Tue Nov 30 16:39:32 2004 Vianney Rancurel
*/
#ifndef __STREAM_STREAM_H__
#define __STREAM_STREAM_H__     1
#include <libc.h>

# ifndef EOF
#  define EOF (-1)
# endif

# define BUFFER_SIZE    512

# define MODE_READ      1
# define MODE_WRITE     2
# define MODE_RDWR      3
# define MODE_APPEND    4
# define MODE_CREATE    8
# define MODE_TRUNC     16
# define MODE_EOF       32

#define TEST_READ(f) (0 != (MODE_READ & stream->mode))
#define TEST_WRITE(f) (0 != (MODE_WRITE & stream->mode))
#define TEST_WRITING(f) (~0 == (f)->offset)
#define TEST_READING(f) ((f)->offset < (f)->size)
#define TEST_APPEND(f) (0 != (MODE_APPEND & (f)->mode))
#define TEST_EOF(f) (0 != (MODE_EOF & (f)->mode))

typedef struct  s_stream
{
  int           fd;
  u_int         mode;
  u_char        buffer[BUFFER_SIZE];
  u_int         offset;
  u_int         size;
}               t_stream;

/* PROTO fclose.c   fgetc.c    fopen.c    fputs.c    fsetpos.c  fwrite.c fflush.c   fgetpos.c  fput.c     fread.c    ftell.c    rewind.c fget.c     fgets.c    fputc.c    fseek.c    fungetc.c */
/* fclose.c */
int stream_fclose(t_stream *stream);
/* fgetc.c */
int stream_fgetc(t_stream *stream);
/* fopen.c */
t_stream *stream_fopen(char const *path, char const *mode);
/* fputs.c */
int stream_fputs(char *str, t_stream *stream);
/* fsetpos.c */
int stream_fsetpos(t_stream *stream, off_t *pos);
/* fwrite.c */
size_t stream_fwrite(void const *ptr, size_t size, size_t nmemb, t_stream *stream);
/* fflush.c */
int stream_fflush(t_stream *stream);
/* fgetpos.c */
int stream_fgetpos(t_stream *stream, fpos_t *pos);
/* fput.c */
int stream_fput(int c, t_stream *stream);
/* fread.c */
size_t stream_fread(void *ptr, size_t size, size_t nmemb, t_stream *stream);
/* ftell.c */
long stream_ftell(t_stream *stream);
/* rewind.c */
void stream_rewind(t_stream *stream);
/* fget.c */
int stream_fget(t_stream *stream);
/* fgets.c */
char *stream_fgets(char *str, int size, t_stream *stream);
/* fputc.c */
int stream_fputc(int c, t_stream *stream);
/* fseek.c */
int stream_fseek(t_stream *stream, long offset, int whence);
/* fungetc.c */
int stream_fungetc(t_stream *stream, int c);
#endif

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