http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/wvassert.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 2005 Net Integration Technologies, Inc. * * Helper classes and functions to add more information to WvCrashes. */ #ifndef __WVASSERT_H #define __WVASSERT_H #include <assert.h> #include "wvcrash.h" #include "wvstring.h" // WvCrash allows you to print a programme's last will and testament. // That is, a little note about what it was hoping to do before it // died. // // This helper class lets you write a will, and when it gets // destroyed, it will restore the old will from before. This lets you // safely nest them. class WvCrashWill { public: // Leave a will behind. WvCrashWill(const char *will); WvCrashWill(WVSTRING_FORMAT_DECL); // Restore the will that was there before you created this object. ~WvCrashWill(); // Rewrite the will you're leaving behind. void rewrite(const char *will); void rewrite(WVSTRING_FORMAT_DECL); private: WvString old_will; }; #ifdef NDEBUG # define wvassert(expr) (__ASSERT_VOID_CAST (0)) # define wvassert_perror(errnum) (__ASSERT_VOID_CAST (0)) #else // Not NDEBUG static inline void __wvcrash_leave_will() { } static inline void __wvcrash_leave_will(const char *will) { wvcrash_leave_will(will); } static inline void __wvcrash_leave_will(WVSTRING_FORMAT_DECL) { wvcrash_leave_will(WvFastString(WVSTRING_FORMAT_CALL)); } // Use this function instead of assert(). You may also leave parameters // at the end, which allow you to log messages. For instance: // // wvassert(a == b, "a: '%s'\n b: '%s'", a, b); # define wvassert(expr, args...) \ (__ASSERT_VOID_CAST ((expr) ? 0 : \ (__wvcrash_leave_will (args), \ (__assert_fail (__STRING(expr), __FILE__, __LINE__, \ __ASSERT_FUNCTION), 0)))) // Use this function instead of assert_perror(). You may also leave // parameters at the end, which allow you to log messages. For instance: // // wvassert(errno, "Error trying to read file: '%s'", filename); # define wvassert_perror(errnum, args...) \ (__ASSERT_VOID_CAST (!(errnum) ? 0 : \ (__wvcrash_leave_will (args), \ (__assert_perror_fail ((errnum), __FILE__, __LINE__, \ __ASSERT_FUNCTION), 0)))) #endif // NDEBUG #endif // WVASSERT_H