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c++ Programming Glossary: offsetWhy can't you use offsetof on non-POD strucutures in C++? http://stackoverflow.com/questions/1129894/why-cant-you-use-offsetof-on-non-pod-strucutures-in-c can't you use offsetof on non POD strucutures in C I was researching how to get.. strucutures in C I was researching how to get the memory offset of a member to a class in C and came across this on wikipedia.. came across this on wikipedia In C code you can not use offsetof to access members of structures or classes that are not Plain..
What is exactly the base pointer and stack pointer? To what do they point? http://stackoverflow.com/questions/1395591/what-is-exactly-the-base-pointer-and-stack-pointer-to-what-do-they-point Local variables are accessed by subtracting a constant offset from ebp. All x86 calling conventions define ebp as being preserved..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab overflows Reading or writing to an object or array at an offset that is negative or beyond the size of that object stack heap..
Understanding the vtable entries http://stackoverflow.com/questions/5712808/understanding-the-vtable-entries vtable share improve this question Those are the offset to top needed for multiple inheritence and typeinfo RTTI pointers... compiler but their description of this is really good The offset to top holds the displacement to the top of the object from.. virtual table as a ptrdiff_t. It is always present. The offset provides a way to find the top of the object from any base subobject..
http://stackoverflow.com/questions/6635851/real-world-use-of-x-macros #define ENTRY a b c uint8_t b COMMAND_TABLE #undef ENTRY offset_struct_t #define NUMBER_OF_COMMANDS sizeof offset_struct_t NOTE.. ENTRY offset_struct_t #define NUMBER_OF_COMMANDS sizeof offset_struct_t NOTE I never actually instantiate the offset_struct_t.. offset_struct_t NOTE I never actually instantiate the offset_struct_t I just use it as a way for the compiler to generate..
How to generate a stacktrace when my gcc C++ app crashes http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes 0x3a9b91c4bb . test 0x40086a This shows the load module offset and function that each frame in the stack came from. Here you..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops high chance that large allocations will appear at the same offset from a page boundary. Here's the test code int main const int..
Array placement-new requires unspecified overhead in the buffer? http://stackoverflow.com/questions/8720425/array-placement-new-requires-unspecified-overhead-in-the-buffer overhead the result of the new expression will be offset by this amount from the value returned by operator new . This..
Need for predictable random generator http://stackoverflow.com/questions/910215/need-for-predictable-random-generator a critical hit to about 22 using the bounds above. You can offset this by setting its real probability a little bit lower. A probability..
http://stackoverflow.com/questions/988158/take-the-address-of-a-one-past-the-end-array-element-via-subscript-legal-by-the the array is large enough the result points to an element offset from the original element such that the difference of the subscripts..
Why does int*[] decay into int** but not int[][]? http://stackoverflow.com/questions/14183546/why-does-int-decay-into-int-but-not-int char tmp char p Work in units of bytes char i sizeof int 4 Offset for outer dimension int 4 is a type j sizeof int Offset for.. 4 Offset for outer dimension int 4 is a type j sizeof int Offset for inner dimension int a int tmp Back to the contained type..
Creating an array initializer from a tuple or variadic template parameters http://stackoverflow.com/questions/18251815/creating-an-array-initializer-from-a-tuple-or-variadic-template-parameters template typename Key Key identifier typename T std size_t Offset struct ProcessedEntry public ProcessedEntryBase Key ProcessedEntry.. Key ProcessedEntry ProcessedEntryBase Key identifier Offset sizeof T I had intended to use a LayoutManager base class that.. typename Key Key identifier typename Data std size_t Offset struct ProcessedEntry template std size_t offset typename Key..
Coding Practices which enable the compiler/optimizer to make a faster program http://stackoverflow.com/questions/2074099/coding-practices-which-enable-the-compiler-optimizer-to-make-a-faster-program and allow the optimizer to generate even faster code Edit Offset related link c c performance optimization share improve this..
http://stackoverflow.com/questions/2528776/windows-c-is-it-possible-to-find-the-line-of-code-where-exception-was-thrown of code where exception was thrown having &ldquo Exception Offset&rdquo One of our users having an Exception on our product startup... Timestamp 48dbd973 Exception Code c0000005 Exception Offset 000038d7 OS Version 6.0.6002.2.2.0.768.2 Locale ID 1033..
Question on multiple inheritance, virtual base classes, and object size in C++ http://stackoverflow.com/questions/396327/question-on-multiple-inheritance-virtual-base-classes-and-object-size-in-c That is 4 integers 32 bits each totalling your 16 bytes. Offset Size Type Scope Name 0 4 int Base a 4 4 int X x 8 4 int Base.. ARM has an example where the ordering is X Y Z then Base Offset Size Type Scope Name Value sort of 0 4 Base offset X 16 or ptr..
udp packet fragmentation for raw sockets http://stackoverflow.com/questions/4191253/udp-packet-fragmentation-for-raw-sockets should be identical except for these fields Fragment Offset set to 0 in the first packet and 1480 in the second Total Length..
Understanding the vtable entries http://stackoverflow.com/questions/5712808/understanding-the-vtable-entries virtual functions and is zero for non polymorphic classes. Offset to top in more detail by request Let's say you have a derived..
http://stackoverflow.com/questions/610682/bss-section-in-elf-file in virtual memory readelf l . a.out Program Headers Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align PHDR 0x000034 0x08048034..
Cross-platform way to get line number of an INI file where given option was found http://stackoverflow.com/questions/8358975/cross-platform-way-to-get-line-number-of-an-ini-file-where-given-option-was-foun name3 dhfj dhjgfd skipped Cat_2 UsagePage 9 Usage 19 Offset 0x1204 Cat_2_bak UsagePage 9 Usage 19 Offset 0x1204 Cat_3 UsagePage.. 9 Usage 19 Offset 0x1204 Cat_2_bak UsagePage 9 Usage 19 Offset 0x1204 Cat_3 UsagePage 12 Usage 39 #Usage4 39 Offset 0x12304.. 19 Offset 0x1204 Cat_3 UsagePage 12 Usage 39 #Usage4 39 Offset 0x12304 Demo Output POSITIONINFO 0 Parse success Cat1 name1..
The implementation of random_device in VS2010? http://stackoverflow.com/questions/9549357/the-implementation-of-random-device-in-vs2010 count. System process information consisting of Next Entry Offset Number Of Threads Create Time User Time Kernel Time Image Name..
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