src/gallium/auxiliary/os/os_stream.h

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  27
  28 /**
  29  * @file
  30  * Cross-platform sequential access stream abstraction.
  31  */
  32
  33 #ifndef _OS_STREAM_H_
  34 #define _OS_STREAM_H_
  35
  36
  37 #include "pipe/p_compiler.h"
  38
  39
  40 /**
  41  * OS stream (FILE, socket, etc) abstraction.
  42  */
  43 struct os_stream
  44 {
  45    void
  46    (*close)(struct os_stream *stream);
  47
  48    boolean
  49    (*write)(struct os_stream *stream, const void *data, size_t size);
  50
  51    void
  52    (*flush)(struct os_stream *stream);
  53 };
  54
  55
  56 static INLINE void
  57 os_stream_close(struct os_stream *stream)
  58 {
  59    stream->close(stream);
  60 }
  61
  62
  63 static INLINE boolean
  64 os_stream_write(struct os_stream *stream, const void *data, size_t size)
  65 {
  66    return stream->write(stream, data, size);
  67 }
  68
  69
  70 static INLINE void
  71 os_stream_flush(struct os_stream *stream)
  72 {
  73    stream->flush(stream);
  74 }
  75
  76
  77 struct os_stream *
  78 os_file_stream_create(const char *filename);
  79
  80
  81 struct os_stream *
  82 os_null_stream_create(void);
  83
  84
  85 #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
  86 #define os_file_stream_create(_filename) os_null_stream_create()
  87 #endif
  88
  89
  90 #endif /* _OS_STREAM_H_ */