alloca
how does stack growing work on windows and linux?
I just read that windows programs call _alloca on function ent开发者_如何学Pythonry to grow the stack if they need more than 4k on the stack. I guss that every time the guard page is hit windows alloc[详细]
2023-03-22 04:12 分类：问答How to replace alloca in an implementation of execvp()?
Take a look at the NetBSD implementation of execvp here: http://cvsweb.netbsd.se/cgi-bin/bsdweb.cgi/src/lib/libc/gen/execvp.c?rev=1.30.16.2;content-type=text%2Fplain[详细]
2023-03-07 16:55 分类：问答C sprintf function that uses malloc or the stack [duplicate]
This question already has answers here: sprintf() with automatic memory allocation? (8 answers) Closed 8 years ago.[详细]
2023-02-21 22:35 分类：问答Is alloca completely replaceable?
I\'ve read quite a few places that alloca is obsolete and should not be used and V开发者_运维技巧ariable Length Arrays should be used instead.[详细]
2023-01-11 10:43 分类：问答In which cases is alloca() useful?
Why would you ever want to use alloca() when you could always allocate a fixed size buffer on the s开发者_如何学Ctack large enough to fit all uses? This is not a rhetorical question...It could be usef[详细]
2023-01-11 04:15 分类：问答C function: is this dynamic allocation? initializating an array with a changing length
Suppose I have a C function: void myFunction(..., int nObs){ int myVec[nObs] ; ... } Is myVec being dynamically allocated?nObs is not constant whenever myFunction is called.I ask because I am curre[详细]
2022-12-21 11:35 分类：问答
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