git.distorted.org.uk Git - u/mdw/putty/blob - misc.h

   1 #ifndef PUTTY_MISC_H
   2 #define PUTTY_MISC_H
   3
   4 #include "puttymem.h"
   5
   6 struct bufchain_granule;
   7 typedef struct bufchain_tag {
   8     struct bufchain_granule *head, *tail;
   9     int buffersize;                    /* current amount of buffered data */
  10 } bufchain;
  11
  12 void bufchain_init(bufchain *ch);
  13 void bufchain_clear(bufchain *ch);
  14 int bufchain_size(bufchain *ch);
  15 void bufchain_add(bufchain *ch, void *data, int len);
  16 void bufchain_prefix(bufchain *ch, void **data, int *len);
  17 void bufchain_consume(bufchain *ch, int len);
  18
  19 /*
  20  * Debugging functions.
  21  *
  22  * Output goes to debug.log
  23  *
  24  * debug(()) (note the double brackets) is like printf().
  25  *
  26  * dmemdump() and dmemdumpl() both do memory dumps.  The difference
  27  * is that dmemdumpl() is more suited for when where the memory is is
  28  * important (say because you'll be recording pointer values later
  29  * on).  dmemdump() is more concise.
  30  */
  31
  32 #ifdef DEBUG
  33 void dprintf(char *fmt, ...);
  34 void debug_memdump(void *buf, int len, int L);
  35 #define debug(x) (dprintf x)
  36 #define dmemdump(buf,len) debug_memdump (buf, len, 0);
  37 #define dmemdumpl(buf,len) debug_memdump (buf, len, 1);
  38 #else
  39 #define debug(x)
  40 #define dmemdump(buf,len)
  41 #define dmemdumpl(buf,len)
  42 #endif
  43
  44
  45 #ifndef lenof
  46 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
  47 #endif
  48
  49
  50 #endif