https://bugs.llvm.org/show_bug.cgi?id=41068
Bug ID: 41068
Summary: std::ifstream::failure doesn't report system error
codes
Product: libc++
Version: 8.0
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Created attachment 21596
--> https://bugs.llvm.org/attachment.cgi?id=21596&action=edit
test.cpp
On FreeBSD the attached testcase triggers the errno=2 (No such file or
directory):
> 71779 io CALL
> open(0x4065e0,0x601<O_WRONLY|O_CREAT|O_TRUNC>,0666<S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH>)
> 71779 io NAMI "a/b"
> 71779 io RET open -1 errno 2 No such file or directory
But the error message printed through the exception std::ifstream::failure
doesn't contain this information:
> ios_base::clear: unspecified iostream_category error
Why is it "unspecified"?
It should say exactly what happened.
FreeBSD 11.2.
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