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 #include <time.h>                      /* for struct tm */
   9
  10 #ifndef FALSE
  11 #define FALSE 0
  12 #endif
  13 #ifndef TRUE
  14 #define TRUE 1
  15 #endif
  16
  17 typedef struct Filename Filename;
  18 typedef struct FontSpec FontSpec;
  19
  20 unsigned long parse_blocksize(const char *bs);
  21 char ctrlparse(char *s, char **next);
  22
  23 char *dupstr(const char *s);
  24 char *dupcat(const char *s1, ...);
  25 char *dupprintf(const char *fmt, ...);
  26 char *dupvprintf(const char *fmt, va_list ap);
  27
  28 char *fgetline(FILE *fp);
  29
  30 void base64_encode_atom(unsigned char *data, int n, char *out);
  31
  32 struct bufchain_granule;
  33 typedef struct bufchain_tag {
  34     struct bufchain_granule *head, *tail;
  35     int buffersize;                    /* current amount of buffered data */
  36 } bufchain;
  37
  38 void bufchain_init(bufchain *ch);
  39 void bufchain_clear(bufchain *ch);
  40 int bufchain_size(bufchain *ch);
  41 void bufchain_add(bufchain *ch, const void *data, int len);
  42 void bufchain_prefix(bufchain *ch, void **data, int *len);
  43 void bufchain_consume(bufchain *ch, int len);
  44 void bufchain_fetch(bufchain *ch, void *data, int len);
  45
  46 struct tm ltime(void);
  47
  48 /*
  49  * Debugging functions.
  50  *
  51  * Output goes to debug.log
  52  *
  53  * debug(()) (note the double brackets) is like printf().
  54  *
  55  * dmemdump() and dmemdumpl() both do memory dumps.  The difference
  56  * is that dmemdumpl() is more suited for when the memory address is
  57  * important (say because you'll be recording pointer values later
  58  * on).  dmemdump() is more concise.
  59  */
  60
  61 #ifdef DEBUG
  62 void debug_printf(char *fmt, ...);
  63 void debug_memdump(void *buf, int len, int L);
  64 #define debug(x) (debug_printf x)
  65 #define dmemdump(buf,len) debug_memdump (buf, len, 0);
  66 #define dmemdumpl(buf,len) debug_memdump (buf, len, 1);
  67 #else
  68 #define debug(x)
  69 #define dmemdump(buf,len)
  70 #define dmemdumpl(buf,len)
  71 #endif
  72
  73 #ifndef lenof
  74 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
  75 #endif
  76
  77 #ifndef min
  78 #define min(x,y) ( (x) < (y) ? (x) : (y) )
  79 #endif
  80 #ifndef max
  81 #define max(x,y) ( (x) > (y) ? (x) : (y) )
  82 #endif
  83
  84 #define GET_32BIT_LSB_FIRST(cp) \
  85   (((unsigned long)(unsigned char)(cp)[0]) | \
  86   ((unsigned long)(unsigned char)(cp)[1] << 8) | \
  87   ((unsigned long)(unsigned char)(cp)[2] << 16) | \
  88   ((unsigned long)(unsigned char)(cp)[3] << 24))
  89
  90 #define PUT_32BIT_LSB_FIRST(cp, value) ( \
  91   (cp)[0] = (unsigned char)(value), \
  92   (cp)[1] = (unsigned char)((value) >> 8), \
  93   (cp)[2] = (unsigned char)((value) >> 16), \
  94   (cp)[3] = (unsigned char)((value) >> 24) )
  95
  96 #define GET_16BIT_LSB_FIRST(cp) \
  97   (((unsigned long)(unsigned char)(cp)[0]) | \
  98   ((unsigned long)(unsigned char)(cp)[1] << 8))
  99
 100 #define PUT_16BIT_LSB_FIRST(cp, value) ( \
 101   (cp)[0] = (unsigned char)(value), \
 102   (cp)[1] = (unsigned char)((value) >> 8) )
 103
 104 #define GET_32BIT_MSB_FIRST(cp) \
 105   (((unsigned long)(unsigned char)(cp)[0] << 24) | \
 106   ((unsigned long)(unsigned char)(cp)[1] << 16) | \
 107   ((unsigned long)(unsigned char)(cp)[2] << 8) | \
 108   ((unsigned long)(unsigned char)(cp)[3]))
 109
 110 #define GET_32BIT(cp) GET_32BIT_MSB_FIRST(cp)
 111
 112 #define PUT_32BIT_MSB_FIRST(cp, value) ( \
 113   (cp)[0] = (unsigned char)((value) >> 24), \
 114   (cp)[1] = (unsigned char)((value) >> 16), \
 115   (cp)[2] = (unsigned char)((value) >> 8), \
 116   (cp)[3] = (unsigned char)(value) )
 117
 118 #define PUT_32BIT(cp, value) PUT_32BIT_MSB_FIRST(cp, value)
 119
 120 #define GET_16BIT_MSB_FIRST(cp) \
 121   (((unsigned long)(unsigned char)(cp)[0] << 8) | \
 122   ((unsigned long)(unsigned char)(cp)[1]))
 123
 124 #define PUT_16BIT_MSB_FIRST(cp, value) ( \
 125   (cp)[0] = (unsigned char)((value) >> 8), \
 126   (cp)[1] = (unsigned char)(value) )
 127
 128 #endif