https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254120
Bug ID: 254120
Summary: Linuxulator: getcwd returns ENOMEM instead of ERANGE
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
% cat getcwd.c
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
int main() {
char buf[3];
assert(getcwd(buf, sizeof(buf)) == NULL);
if (errno != ERANGE) {
perror("getcwd");
}
return 0;
}
% pwd | wc -c
29
% /compat/linux/bin/cc getcwd.c -o getcwd
% ./getcwd
getcwd: Cannot allocate memory
On the Linux side getcwd is clearly documented to return ERANGE and
at least Mono actually expects it:
https://github.com/mono/mono/blob/da11592cbea4269971f4b1f9624769a85cc10660/mono/eglib/gfile-posix.c#L175.
This is mostly relevant for FNA/MonoGame applications.
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