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 #include <stdio.h>                     /* for FILE * */
   7 #include <stdarg.h>                    /* for va_list */
   8
   9 #ifndef FALSE
  10 #define FALSE 0
  11 #endif
  12 #ifndef TRUE
  13 #define TRUE 1
  14 #endif
  15
  16 typedef struct Filename Filename;
  17 typedef struct FontSpec FontSpec;
  18
  19 char *dupstr(const char *s);
  20 char *dupcat(const char *s1, ...);
  21 char *dupprintf(const char *fmt, ...);
  22 char *dupvprintf(const char *fmt, va_list ap);
  23
  24 char *fgetline(FILE *fp);
  25
  26 void base64_encode_atom(unsigned char *data, int n, char *out);
  27
  28 struct bufchain_granule;
  29 typedef struct bufchain_tag {
  30     struct bufchain_granule *head, *tail;
  31     int buffersize;                    /* current amount of buffered data */
  32 } bufchain;
  33
  34 void bufchain_init(bufchain *ch);
  35 void bufchain_clear(bufchain *ch);
  36 int bufchain_size(bufchain *ch);
  37 void bufchain_add(bufchain *ch, const void *data, int len);
  38 void bufchain_prefix(bufchain *ch, void **data, int *len);
  39 void bufchain_consume(bufchain *ch, int len);
  40 void bufchain_fetch(bufchain *ch, void *data, int len);
  41
  42 /*
  43  * Debugging functions.
  44  *
  45  * Output goes to debug.log
  46  *
  47  * debug(()) (note the double brackets) is like printf().
  48  *
  49  * dmemdump() and dmemdumpl() both do memory dumps.  The difference
  50  * is that dmemdumpl() is more suited for when where the memory is is
  51  * important (say because you'll be recording pointer values later
  52  * on).  dmemdump() is more concise.
  53  */
  54
  55 #ifdef DEBUG
  56 void debug_printf(char *fmt, ...);
  57 void debug_memdump(void *buf, int len, int L);
  58 #define debug(x) (debug_printf x)
  59 #define dmemdump(buf,len) debug_memdump (buf, len, 0);
  60 #define dmemdumpl(buf,len) debug_memdump (buf, len, 1);
  61 #else
  62 #define debug(x)
  63 #define dmemdump(buf,len)
  64 #define dmemdumpl(buf,len)
  65 #endif
  66
  67 #ifndef lenof
  68 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
  69 #endif
  70
  71 #ifndef min
  72 #define min(x,y) ( (x) < (y) ? (x) : (y) )
  73 #endif
  74 #ifndef max
  75 #define max(x,y) ( (x) > (y) ? (x) : (y) )
  76 #endif
  77
  78 #endif