Bitcoin Core  22.99.0
P2P Digital Currency
util.h
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1 /**********************************************************************
2  * Copyright (c) 2018 Pieter Wuille, Greg Maxwell, Gleb Naumenko *
3  * Distributed under the MIT software license, see the accompanying *
4  * file LICENSE or http://www.opensource.org/licenses/mit-license.php.*
5  **********************************************************************/
6 
7 #ifndef _MINISKETCH_UTIL_H_
8 #define _MINISKETCH_UTIL_H_
9 
10 #ifdef MINISKETCH_VERIFY
11 #include <stdio.h>
12 #endif
13 
14 #if !defined(__GNUC_PREREQ)
15 # if defined(__GNUC__)&&defined(__GNUC_MINOR__)
16 # define __GNUC_PREREQ(_maj,_min) \
17  ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
18 # else
19 # define __GNUC_PREREQ(_maj,_min) 0
20 # endif
21 #endif
22 
23 #if __GNUC_PREREQ(3, 0)
24 #define EXPECT(x,c) __builtin_expect((x),(c))
25 #else
26 #define EXPECT(x,c) (x)
27 #endif
28 
29 /* Assertion macros */
30 
35 #define CHECK(cond) do { \
36  if (EXPECT(!(cond), 0)) { \
37  fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, "Check condition failed: " #cond); \
38  abort(); \
39  } \
40 } while(0)
41 
47 #ifdef MINISKETCH_VERIFY
48 #define CHECK_SAFE(cond) CHECK(cond)
49 #else
50 #define CHECK_SAFE(cond)
51 #endif
52 
58 #ifdef MINISKETCH_VERIFY
59 #define CHECK_RETURN(cond, rvar) do { \
60  if (EXPECT(!(cond), 0)) { \
61  fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, "Check condition failed: " #cond); \
62  abort(); \
63  return rvar; /* Does nothing, but causes compile to warn on incorrect return types. */ \
64  } \
65 } while(0)
66 #else
67 #define CHECK_RETURN(cond, rvar) do { \
68  if (EXPECT(!(cond), 0)) { \
69  return rvar; \
70  } \
71 } while(0)
72 #endif
73 
74 #endif