1 /* Copyright (c) (2012,2015,2016,2017,2019) Apple Inc. All rights reserved.
2 *
3 * corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
4 * is contained in the License.txt file distributed with corecrypto) and only to
5 * people who accept that license. IMPORTANT: Any license rights granted to you by
6 * Apple Inc. (if any) are limited to internal use within your organization only on
7 * devices and computers you own or control, for the sole purpose of verifying the
8 * security characteristics and correct functioning of the Apple Software. You may
9 * not, directly or indirectly, redistribute the Apple Software or any portions thereof.
10 */
11
12 #ifndef _CORECRYPTO_CC_MACROS_H_
13 #define _CORECRYPTO_CC_MACROS_H_
14
15 #include <corecrypto/cc_config.h>
16
17 #ifndef __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING
18 #define __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING ""
19 #endif
20
21 #ifndef __CC_DEBUG_ASSERT_PRODUCTION_CODE
22 #define __CC_DEBUG_ASSERT_PRODUCTION_CODE !CORECRYPTO_DEBUG
23 #endif
24
25 #if CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS
26
27 #if !CC_KERNEL
28 #include <string.h> // for strstr
29 #endif // !CC_KERNEL
30
cc_strstr(const char * file)31 CC_UNUSED static char *cc_strstr(const char *file) {
32 #if CC_KERNEL
33 (void) file;
34 #else
35 const char cc_char []="corecrypto";
36 char *p=strstr(file, cc_char);
37 if (p) return (p+strlen(cc_char)+1);
38 #endif
39 return NULL;
40 }
41
42 #define __CC_DEBUG_REQUIRE_MESSAGE(name, assertion, label, message, file, line, value) \
43 {char *___t = cc_strstr(file); cc_printf( "require: %s, %s%s:%d\n", assertion, (message!=0) ? message : "", ___t==NULL?file:___t, line);}
44
45 #endif // CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS
46
47 #ifndef cc_require
48 #if (__CC_DEBUG_ASSERT_PRODUCTION_CODE) || (!CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS)
49 #if defined(_WIN32) && defined (__clang__)
50 #define cc_require(assertion, exceptionLabel) \
51 do { \
52 if (!(assertion) ) { \
53 goto exceptionLabel; \
54 } \
55 } while ( 0 )
56 #else
57 #define cc_require(assertion, exceptionLabel) \
58 do { \
59 if ( __builtin_expect(!(assertion), 0) ) { \
60 goto exceptionLabel; \
61 } \
62 } while ( 0 )
63 #endif
64 #else
65 #define cc_require(assertion, exceptionLabel) \
66 do { \
67 if ( __builtin_expect(!(assertion), 0) ) { \
68 __CC_DEBUG_REQUIRE_MESSAGE(__CC_DEBUG_ASSERT_COMPONENT_NAME_STRING, \
69 #assertion, #exceptionLabel, 0, __FILE__, __LINE__, 0); \
70 goto exceptionLabel; \
71 } \
72 } while ( 0 )
73 #endif
74 #endif
75
76 #ifndef cc_require_action
77 #if __CC_DEBUG_ASSERT_PRODUCTION_CODE || (!CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS)
78 #if defined(_WIN32) && defined(__clang__)
79 #define cc_require_action(assertion, exceptionLabel, action) \
80 do \
81 { \
82 if (!(assertion)) \
83 { \
84 { \
85 action; \
86 } \
87 goto exceptionLabel; \
88 } \
89 } while ( 0 )
90 #else
91 #define cc_require_action(assertion, exceptionLabel, action) \
92 do \
93 { \
94 if ( __builtin_expect(!(assertion), 0) ) \
95 { \
96 { \
97 action; \
98 } \
99 goto exceptionLabel; \
100 } \
101 } while ( 0 )
102 #endif
103 #else
104 #define cc_require_action(assertion, exceptionLabel, action) \
105 do \
106 { \
107 if ( __builtin_expect(!(assertion), 0) ) \
108 { \
109 __CC_DEBUG_REQUIRE_MESSAGE( \
110 __CC_DEBUG_ASSERT_COMPONENT_NAME_STRING, \
111 #assertion, #exceptionLabel, 0, __FILE__, __LINE__, 0); \
112 { \
113 action; \
114 } \
115 goto exceptionLabel; \
116 } \
117 } while ( 0 )
118 #endif
119 #endif
120
121 #ifndef cc_require_or_return
122 #if (__CC_DEBUG_ASSERT_PRODUCTION_CODE) || (!CORECRYPTO_DEBUG_ENABLE_CC_REQUIRE_PRINTS)
123 #if defined(_WIN32) && defined (__clang__)
124 #define cc_require_or_return(assertion, value) \
125 do { \
126 if (!(assertion) ) { \
127 return value; \
128 } \
129 } while ( 0 )
130 #else
131 #define cc_require_or_return(assertion, value) \
132 do { \
133 if ( __builtin_expect(!(assertion), 0) ) { \
134 return value; \
135 } \
136 } while ( 0 )
137 #endif
138 #else
139 #define cc_require_or_return(assertion, value) \
140 do { \
141 if ( __builtin_expect(!(assertion), 0) ) { \
142 __CC_DEBUG_REQUIRE_MESSAGE(__CC_DEBUG_ASSERT_COMPONENT_NAME_STRING, \
143 #assertion, #exceptionLabel, 0, __FILE__, __LINE__, 0); \
144 return value; \
145 } \
146 } while ( 0 )
147 #endif
148 #endif
149
150 #endif /* _CORECRYPTO_CC_MACROS_H_ */
151