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 char *dupstr(char *s);
   7 char *dupcat(char *s1, ...);
   8
   9 struct bufchain_granule;
  10 typedef struct bufchain_tag {
  11     struct bufchain_granule *head, *tail;
  12     int buffersize;                    /* current amount of buffered data */
  13 } bufchain;
  14
  15 void bufchain_init(bufchain *ch);
  16 void bufchain_clear(bufchain *ch);
  17 int bufchain_size(bufchain *ch);
  18 void bufchain_add(bufchain *ch, void *data, int len);
  19 void bufchain_prefix(bufchain *ch, void **data, int *len);
  20 void bufchain_consume(bufchain *ch, int len);
  21
  22 /*
  23  * Debugging functions.
  24  *
  25  * Output goes to debug.log
  26  *
  27  * debug(()) (note the double brackets) is like printf().
  28  *
  29  * dmemdump() and dmemdumpl() both do memory dumps.  The difference
  30  * is that dmemdumpl() is more suited for when where the memory is is
  31  * important (say because you'll be recording pointer values later
  32  * on).  dmemdump() is more concise.
  33  */
  34
  35 #ifdef DEBUG
  36 void dprintf(char *fmt, ...);
  37 void debug_memdump(void *buf, int len, int L);
  38 #define debug(x) (dprintf x)
  39 #define dmemdump(buf,len) debug_memdump (buf, len, 0);
  40 #define dmemdumpl(buf,len) debug_memdump (buf, len, 1);
  41 #else
  42 #define debug(x)
  43 #define dmemdump(buf,len)
  44 #define dmemdumpl(buf,len)
  45 #endif
  46
  47
  48 #ifndef lenof
  49 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
  50 #endif
  51
  52
  53 #endif