c99

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void pointer conditional raising segfault

I\'m using a double-linked list and getting some odd performance regarding edge cases when we\'re dealing with previous or next pointers that are null. GDB returns the following error:[详细]

2023-03-09 06:59 分类：问答
Why doesn't GNOME use C99?

Looking at mutter source code and evince source code, both still use C89 style of declaring all variables at the very beginning of the function, instead of where it is first used (limited s开发者_JS百[详细]

2023-03-07 16:49 分类：问答
is i=f(); defined when f modifies i?

开发者_如何学CRelated question: Any good reason why assignment operator isn't a sequence point?[详细]

2023-03-07 10:24 分类：问答
Type of unsigned bit-fields: int or unsigned int

Section 6.3.1.1 of the C99 standard contains: The following may be used in an expression wherever an int or[详细]

2023-03-05 22:02 分类：问答
C compiler and C99 standard

Which C compilers can开发者_如何学编程 compile C99 compliant source?If I don\'t mess up gcc allow you to do so while using -std=gnu99 or -std=c99 option[详细]

2023-03-05 21:20 分类：问答
c99 dynamic array

I\'m开发者_如何转开发 writing a very small, project-specific OpenGLES engine for iphone and I really need to use a good, solid, and proven dynamic array library/macro in c99 dialect. (No C++, Obj-C, s[详细]

2023-03-03 20:46 分类：问答
C99: can imaginary part of complex be a negative zero

Is it possible to store negative zero in imaginary part of C99 complex float? How I should statically initialize complex constants with signed imaginary part?[详细]

2023-03-02 15:24 分类：问答
Copying a pointer for bit operations

I have a function that passes in a struct that and instead of doing bit manipulations on the arr itself I want to create copy. How can I make a copy of an element of an array of unsigned ints to do bi[详细]

2023-03-01 22:35 分类：问答
How do I get the UTC offset for __TIME__?

We are using __TIME__ to embed the time of compilation in a binary. Unfortunately, a time without a UTC Offset is meaningless. I don\'t see an obvious way to get the timezone that the compiler is runn[详细]

2023-03-01 15:03 分类：问答
Accessing void * struct

I\'m trying to find the bug in my implementation here, where I store a struct in another struct and cannot seem to access the value stored. I define two structs.[详细]

2023-02-28 14:06 分类：问答