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
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
This question already has answers here: sprintf() with automatic memory allocation? (8 answers) Closed 8 years ago.
I\'ve read quite a few places that alloca is obsolete and should not be used and V开发者_运维技巧ariable Length Arrays should be used instead.
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
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
加载中,请稍侯......