Mercurial > hg > ucx / changeset

     1.1 --- a/ucx/buffer.h	Tue Feb 19 17:15:30 2013 +0100
     1.2 +++ b/ucx/buffer.h	Mon Feb 25 12:18:31 2013 +0100
     1.3 @@ -9,7 +9,9 @@
     1.4  extern "C" {
     1.5  #endif
     1.6  
     1.7 +/* no autoextend or autofree behaviour */
     1.8  #define UCX_BUFFER_DEFAULT      0x00
     1.9 +/* the buffer shall free the occupied memory space */
    1.10  #define UCX_BUFFER_AUTOFREE     0x01
    1.11  /* the buffer may automatically double its size on write operations */
    1.12  #define UCX_BUFFER_AUTOEXTEND   0x02
    1.13 @@ -44,13 +46,16 @@
    1.14   * SEEK_CUR marks the current position
    1.15   * SEEK_END marks the first 0-byte in the buffer
    1.16   *
    1.17 - * ucx_memseek returns 0 on success and -1 if the new position is beyond the
    1.18 + * ucx_buffer_seek returns 0 on success and -1 if the new position is beyond the
    1.19   * bounds of the allocated buffer. In that case the position of the buffer
    1.20   * remains unchanged.
    1.21   *
    1.22   */
    1.23  int ucx_buffer_seek(UcxBuffer *buffer, off_t offset, int whence);
    1.24  
    1.25 +#define ucx_buffer_clear(buffer)    memset(buffer->space, 0, buffer->size); \
    1.26 +                                    buffer->size = 0; buffer->pos = 0;
    1.27 +
    1.28  /*
    1.29   * returns non-zero, if the current buffer position has exceeded the last
    1.30   * available byte of the underlying buffer