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#647 strtold leaks heap memory
As per https://www.reddit.com/r/C_Programming/comments/6ryl30/memory_leak_in_function_strtold, strtold() leaks memory. The following program will crash:
#include <stdlib.h>
int main(){
while(strtold("123", NULL));
}
Reporting just because it seems no-one from the Reddit thread bothered to.
Because we use malloc() without free(): https://sourceforge.net/p/mingw-w64/mingw-w64/ci/master/tree/mingw-w64-crt/misc/strtold.c#l90
done: https://sourceforge.net/p/mingw-w64/mingw-w64/ci/450309b97b2e839ea02887dfaf0f1d10fb5d40cc/