forked from Telodendria/Telodendria
74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
|
#ifndef TELODENDRIA_STREAM_H
|
||
|
|
#define TELODENDRIA_STREAM_H
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdarg.h>
|
||
|
|
|
||
|
|
typedef struct Stream Stream;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Low-level Stream API in the style of POSIX system calls.
|
||
|
|
* Heavily inspired by GNU fopencookie() and BSD funopen().
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef ssize_t (StreamReadFunc) (void *, void *, size_t);
|
||
|
|
typedef ssize_t (StreamWriteFunc) (void *, void *, size_t);
|
||
|
|
typedef off_t (StreamSeekFunc) (void *, off_t, int);
|
||
|
|
typedef int (StreamCloseFunc) (void *);
|
||
|
|
|
||
|
|
typedef struct StreamFunctions
|
||
|
|
{
|
||
|
|
StreamReadFunc *read;
|
||
|
|
StreamWriteFunc *write;
|
||
|
|
StreamSeekFunc *seek;
|
||
|
|
StreamCloseFunc *close;
|
||
|
|
} StreamFunctions;
|
||
|
|
|
||
|
|
extern Stream *
|
||
|
|
StreamCreate(void *, StreamFunctions);
|
||
|
|
|
||
|
|
extern ssize_t
|
||
|
|
StreamRead(Stream *, void *, size_t);
|
||
|
|
|
||
|
|
extern ssize_t
|
||
|
|
StreamWrite(Stream *, void *, size_t);
|
||
|
|
|
||
|
|
extern off_t
|
||
|
|
StreamSeek(Stream *, off_t, int);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamClose(Stream *);
|
||
|
|
|
||
|
|
extern Stream *
|
||
|
|
StreamOpen(int);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* High level Stream API in the style of C standard I/O.
|
||
|
|
*/
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamVprintf(Stream *, const char *, va_list);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamPrintf(Stream *, const char *, ...);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamGetc(Stream *);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamUngetc(Stream *, int);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamEof(Stream *);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamError(Stream *);
|
||
|
|
|
||
|
|
extern void
|
||
|
|
StreamClearError(Stream *);
|
||
|
|
|
||
|
|
extern int
|
||
|
|
StreamFlush(Stream *);
|
||
|
|
|
||
|
|
#endif /* TELODENDRIA_STREAM_H */
|