try to make cvs more stable for now. need to test this more in a bit.

  size_t datalen;

};

/* Size, in bytes, for newly allocated buffers.  Should be a power of 2. */

#define INITIAL_BUF_SIZE (4*1024)

#define INITIAL_BUF_SIZE (512*1024) /* used to be 4*1024 */

/* Maximum size, in bytes, for resized buffers. */

#define MAX_BUF_SIZE (640*1024)

#define MAX_BUF_SIZE (1024*1024)

/* Size, in bytes, for minimum 'shrink' size for buffers.  Buffers may start

 * out smaller than this, but they will never autoshrink to less

 * than this size. */

#define MIN_BUF_SHRINK_SIZE (16*1024)

#define MIN_BUF_SHRINK_SIZE (512*1024) /* used to be 16*1024 */

#define BUF_OK(b) ((b) && (b)->mem && (b)->datalen <= (b)->len)

/* Change a buffer's capacity.  Must only be called when */