Recent questions tagged malloc

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malloc - Does C allocate memory automatically for me?

I have been writing C for only a scant few weeks and have not taken the time to worry myself too much about ... of memory? What's the default? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Function free() in C isn't working for me

I have been trying to free memory allocated via malloc() using free(). Some of the structs it does free but leaves ... 1; } else{ return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Enable mtrace (MALLOC_TRACE) for binary program

How can I enable mtrace() (and MALLOC_TRACE env) for a binary program without sources? mtrace is ... libc/Allocation-Debugging.html Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Enable mtrace (MALLOC_TRACE) for binary program

How can I enable mtrace() (and MALLOC_TRACE env) for a binary program without sources? mtrace is ... libc/Allocation-Debugging.html Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - How does sbrk() work in C++?

Where can I read about sbrk() in some detail? How does it exactly work? In what situations would I want to use ... is the expansion for sbrk()? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Can you define the size of an array at runtime in C

New to C, thanks a lot for help. Is it possible to define an array in C without either specifying its size or ... is not an ideal solution... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Allocating memory for a Structure in C

I'm tasked to create a program which dynamically allocates memory for a structure. normally we would use x=malloc( ... help me out? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Memory not freed after calling free()

I have a short program that generates a linked list by adding nodes to it, then frees the memory allocated by the linked ... " "); return 0; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - What is C++ version of realloc(), to allocate the new buffer and copy the contents from the old one?

In C we used malloc(), free(), but in C++ youare using new, delete, but in C we also have realloc, which will alloc ... ) printf("%i ", x[i]); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - Why, or when, do you need to dynamically allocate memory in C?

Dynamic memory allocation is a very important topic in C programming. However, I've been unable to find a good ... = malloc(sizeof(int)); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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malloc - What is aligned memory allocation?

I also want to know whether glibc malloc() does this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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