tor

The Tor anonymity network
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timeout-debug.h (1596B)


      1 /*
      2 * D E B U G  R O U T I N E S
      3 *
      4 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
      5 
      6 #if TIMEOUT_DEBUG - 0
      7 #include <stdlib.h>
      8 #include <stdio.h>
      9 
     10 #undef TIMEOUT_DEBUG
     11 #define TIMEOUT_DEBUG 1
     12 #define DEBUG_LEVEL timeout_debug
     13 
     14 static int timeout_debug;
     15 
     16 #define SAYit_(lvl, fmt, ...) do { \
     17 if (DEBUG_LEVEL >= (lvl)) \
     18 	fprintf(stderr, fmt "%s", __FILE__, __LINE__, __func__, __VA_ARGS__); \
     19 } while (0)
     20 
     21 #define SAYit(lvl, ...) SAYit_((lvl), "%s:%d:%s: " __VA_ARGS__, "\n")
     22 
     23 #define PANIC(...) do { \
     24 SAYit(0, __VA_ARGS__); \
     25 _Exit(EXIT_FAILURE); \
     26 } while (0)
     27 #else
     28 #undef TIMEOUT_DEBUG
     29 #define TIMEOUT_DEBUG 0
     30 #define DEBUG_LEVEL 0
     31 
     32 #define SAYit(...) (void)0
     33 #endif
     34 
     35 #define SAY(...) SAYit(1, __VA_ARGS__)
     36 #define HAI SAY("HAI")
     37 
     38 
     39 static inline char *fmt_(char *buf, uint64_t ts, int wheel_bit, int wheel_num) {
     40 char *p = buf;
     41 int wheel, n, i;
     42 
     43 for (wheel = wheel_num - 2; wheel >= 0; wheel--) {
     44 	n = ((1 << wheel_bit) - 1) & (ts >> (wheel * WHEEL_BIT));
     45 
     46 	for (i = wheel_bit - 1; i >= 0; i--) {
     47 		*p++ = '0' + !!(n & (1 << i));
     48 	}
     49 
     50 	if (wheel != 0)
     51 		*p++ = ':';
     52 }
     53 
     54 *p = 0;
     55 
     56 return buf;
     57 } /* fmt_() */
     58 
     59 #define fmt(ts) fmt_(((char[((1 << WHEEL_BIT) * WHEEL_NUM) + WHEEL_NUM + 1]){ 0 }), (ts), WHEEL_BIT, WHEEL_NUM)
     60 
     61 
     62 static inline char *bin64_(char *buf, uint64_t n, int wheel_bit) {
     63 char *p = buf;
     64 int i;
     65 
     66 for (i = 0; i < (1 << wheel_bit); i++) {
     67 	*p++ = "01"[0x1 & (n >> (((1 << wheel_bit) - 1) - i))];
     68 }
     69 
     70 *p = 0;
     71 
     72 return buf;
     73 } /* bin64_() */
     74 
     75 #define bin64(ts) bin64_(((char[((1 << WHEEL_BIT) * WHEEL_NUM) + 1]){ 0 }), (ts), WHEEL_BIT)