/[hurd]/hurd/trans/streamio.c
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Diff of /hurd/trans/streamio.c

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revision 1.6 by marcus, Tue Dec 11 21:45:58 2001 UTC revision 1.7 by roland, Sat Dec 22 21:01:28 2001 UTC
# Line 66  struct buffer Line 66  struct buffer
66  };  };
67    
68  /* Create a new buffer structure with SIZE, returning the pointer.  */  /* Create a new buffer structure with SIZE, returning the pointer.  */
69  extern inline struct buffer *  static inline struct buffer *
70  create_buffer (size_t size)  create_buffer (size_t size)
71  {  {
72    struct buffer *new = malloc (sizeof (struct buffer) + size);    struct buffer *new = malloc (sizeof (struct buffer) + size);
# Line 80  create_buffer (size_t size) Line 80  create_buffer (size_t size)
80  }  }
81    
82  /* Return the size of B.  */  /* Return the size of B.  */
83  extern inline size_t  static inline size_t
84  buffer_size (struct buffer *b)  buffer_size (struct buffer *b)
85  {  {
86    return b->tail - b->head;    return b->tail - b->head;
87  }  }
88    
89  /* Return how much characters can be read from B.  */  /* Return how much characters can be read from B.  */
90  extern inline size_t  static inline size_t
91  buffer_readable (struct buffer *b)  buffer_readable (struct buffer *b)
92  {  {
93    return buffer_size (b);    return buffer_size (b);
94  }  }
95    
96  /* Return how much characters can be written to B.  */  /* Return how much characters can be written to B.  */
97  extern inline size_t  static inline size_t
98  buffer_writable (struct buffer *b)  buffer_writable (struct buffer *b)
99  {  {
100    return b->size - buffer_size (b);    return b->size - buffer_size (b);
101  }  }
102    
103  /* Flush B.  */  /* Flush B.  */
104  extern inline void  static inline void
105  clear_buffer (struct buffer *b)  clear_buffer (struct buffer *b)
106  {  {
107    if (b == 0)    if (b == 0)
# Line 111  clear_buffer (struct buffer *b) Line 111  clear_buffer (struct buffer *b)
111  }  }
112    
113  /* Read up to LEN bytes from B to DATA, returning the amount actually read.  */  /* Read up to LEN bytes from B to DATA, returning the amount actually read.  */
114  extern inline size_t  static inline size_t
115  buffer_read (struct buffer *b, void *data, size_t len)  buffer_read (struct buffer *b, void *data, size_t len)
116  {  {
117    size_t max = buffer_size (b);    size_t max = buffer_size (b);
# Line 136  buffer_read (struct buffer *b, void *dat Line 136  buffer_read (struct buffer *b, void *dat
136  }  }
137    
138  /* Write LEN bytes from DATA to B, returning the amount actually written.  */  /* Write LEN bytes from DATA to B, returning the amount actually written.  */
139  extern inline size_t  static inline size_t
140  buffer_write (struct buffer *b, void *data, size_t len)  buffer_write (struct buffer *b, void *data, size_t len)
141  {  {
142    size_t size = buffer_writable (b);    size_t size = buffer_writable (b);

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