1 #ifndef OPENAFS_OPR_OPR_H
2 #define OPENAFS_OPR_OPR_H 1
6 /* should use offsetof() if available */
7 #define opr_containerof(ptr, structure, member) \
8 ((structure *)((char *)(ptr)-(char *)(&((structure *)NULL)->member)))
13 # define opr_abort() opr_NTAbort()
14 extern void opr_NTAbort(void);
16 # define opr_abort() abort()
19 extern void opr_AssertionFailed(const char *, int) AFS_NORETURN;
21 /* opr_Assert is designed to work in a similar way to the operating
22 * system's assert function. This means that in future, it may compile
23 * to a no-op if NDEBUG is defined
26 #define __opr_Assert(ex) \
27 do {if (!(ex)) opr_AssertionFailed(__FILE__, __LINE__);} while(0)
29 #if defined(HAVE__PRAGMA_TAUTOLOGICAL_POINTER_COMPARE) && defined(__clang__)
30 # define opr_Assert(ex) \
31 _Pragma("clang diagnostic push") \
32 _Pragma("clang diagnostic ignored \"-Wtautological-pointer-compare\"") \
34 _Pragma("clang diagnostic pop")
36 # define opr_Assert(ex) __opr_Assert(ex)
39 /* opr_Verify is an assertion function which is guaranteed to always
40 * invoke its expression, regardless of the debugging level selected
43 #define __opr_Verify(ex) \
44 do {if (!(ex)) opr_AssertionFailed(__FILE__, __LINE__);} while(0)
46 #if defined(HAVE__PRAGMA_TAUTOLOGICAL_POINTER_COMPARE) && defined(__clang__)
47 # define opr_Verify(ex) \
48 _Pragma("clang diagnostic push") \
49 _Pragma("clang diagnostic ignored \"-Wtautological-pointer-compare\"") \
51 _Pragma("clang diagnostic pop")
53 # define opr_Verify(ex) __opr_Verify(ex)
56 /* opr_StaticAssert is a static build-time assertion, to assert certain
57 * static values (such as sizeof results). If the assertion fails, the
60 #define opr_StaticAssert(ex) \
61 ((void)(sizeof(char[1 - 2 * !(ex)])))
64 #define lcstring opr_lcstring
65 #define ucstring opr_ucstring
66 #define stolower opr_stolower
67 #define stoupper opr_stoupper
68 /* XXX str* is in the implementation namespace when <string.h> is included */
69 #define strcompose opr_strcompose
71 extern char *opr_lcstring(char *d, const char *s, int n) AFS_NONNULL((1,2));
72 extern char *opr_ucstring(char *d, const char *s, int n) AFS_NONNULL((1,2));
73 extern void opr_stolower(char *s) AFS_NONNULL((1));
74 extern void opr_stoupper(char *s) AFS_NONNULL((1));
75 extern char *opr_strcompose(char *buf, size_t len, ...) AFS_NONNULL((1));
79 #ifdef AFS_PTHREAD_ENV
80 extern void opr_threadname_set(const char *threadname);
83 opr_threadname_set(const char *threadname)