src/common/streams.h

   1 #ifndef COMMON_STREAMS_H_INCLUDED
   2 #define COMMON_STREAMS_H_INCLUDED
   3
   4 #include <stddef.h>
   5 #include <stdint.h>
   6
   7 typedef struct Stream Stream;
   8
   9 struct Stream {
  10   long (*getpos)(Stream *r);
  11   void (*setpos)(Stream *r, long pos);
  12   void (*read)(Stream *r, void *data, size_t size, size_t n);
  13   void (*write)(Stream *w, const void *data, size_t size, size_t n);
  14 };
  15
  16 long stream_getpos (Stream *s);
  17 void stream_setpos (Stream *s, long pos);
  18
  19 void stream_read (void *data, size_t size, size_t n, Stream *r);
  20 int8_t stream_read8 (Stream *r);
  21 int16_t stream_read16 (Stream *r);
  22 int32_t stream_read32 (Stream *r);
  23
  24 void stream_write (const void *data, size_t size, size_t n, Stream *w);
  25 void stream_write8 (int8_t x, Stream *w);
  26 void stream_write16 (int16_t x, Stream *w);
  27 void stream_write32 (int32_t x, Stream *w);
  28
  29 #endif /* COMMON_STREAMS_H_INCLUDED */