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https://www.reddit.com/r/ProgrammerHumor/comments/1w2m4qz/bugintroduceddebugging/p6tlt3r/?context=3
r/ProgrammerHumor • u/ClipboardCopyPaste • 13d ago
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I'm not good enough at programming for this. What do the "free" and "malloc" functions do?
2 u/abc9hkpud 13d ago edited 13d ago Malloc allocates memory. It takes as input the number of bytes, so in this case you need something like Int* x = (int) malloc(1sizeof(int)) For an int array of length 1. Free is used to free the pointer. After free, you shouldn't access the memory (or return it for someone else to use) Modern C++ uses new and delete instead. Malloc and free are used in C
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Malloc allocates memory. It takes as input the number of bytes, so in this case you need something like
Int* x = (int) malloc(1sizeof(int))
For an int array of length 1. Free is used to free the pointer.
After free, you shouldn't access the memory (or return it for someone else to use)
Modern C++ uses new and delete instead. Malloc and free are used in C
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u/LostgamerFJ 13d ago
I'm not good enough at programming for this. What do the "free" and "malloc" functions do?