bit-fields

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Bit field manipulation-setting a bit

#include<stdio.h> int main() { struct s{ int bit_fld:3; }; s a; 开发者_如何学Pythona.bit_fld=0x10;[详细]

2023-04-04 11:09 分类：问答
Type of lvalue.bitfield when the underlying bitfield type is not int in C

Someone drew my attention to the following program: #include <stdio.h> struct X50 { long long int z:50;[详细]

2023-04-04 10:50 分类：问答
How to append the bytes of a bit-field to NSMutableData

I have a struct typedef struct { int8_t foo: 1; } Bar; I have tried to append the bytes to a NSMutableData object like so:[详细]

2023-04-02 01:39 分类：问答
C/C++: Platform independent way to handle structs and bitfields

I\'m working on a project to convert an ancient Solaris (sparc) targeted application to Linux.The language is C/C++, and most of the code was written by electronics engineers -- that is, people who do[详细]

2023-03-31 15:31 分类：问答
How the size of this structure comes out to be 4 byte

I do have a structure having bit-fields in it.Its comes out to be 2 bytes according to me but its coming out to be 4 .I have re开发者_运维百科ad some question related to this here on stackoverflow but[详细]

2023-03-29 20:31 分类：问答
How to enforce the struct bit order with the GCC compiler?

I was wondering if there is a GCC C Compiler directive that allows me to determine the bit order for packing of a structure? Something to the likes of:[详细]

2023-03-21 11:40 分类：问答
Is using 0xFFFFFFFF a reliable way to set all bits in a 32-bit type?

There\'s this code that compiles with Windows SDK: UINT cFiles = DragQueryFileW(hDrop, 0xFFFFFFFF, NULL, 0);[详细]

2023-03-16 00:45 分类：问答
Comparing Bitfields of Different Sizes

What happens if you use a bitwise operator (&, |, etc.) to compare two bitfields of different sizes?[详细]

2023-03-12 06:43 分类：问答
Thread safety and bit-field

I know that bit-field are com开发者_JAVA百科piler dependant, but I haven\'t find documentation about thread safety on bit-field with the latest g++ and Visual C++ 2010.[详细]

2023-03-09 07:51 分类：问答
C bitfields memory usage

I need to deal with some data in the following form: typedef struct{ unsigned n1 : 12; unsigned n2 : 12;[详细]

2023-03-08 10:31 分类：问答